[PATCH v2 00/28] CXL PMEM Region Provisioning

[PATCH v2 00/28] CXL PMEM Region Provisioning

[Dan Williams]

Changes since v1 [1]:
- Move 19 patches that have received a Reviewed-by to the 'pending'
  branch in cxl.git (Thanks Alison, Adam, and Jonathan!)
- Improve the changelog and add more Cc's to "cxl/acpi: Track CXL
  resources in iomem_resource" and highlight the new export of
  insert_resource_expand_to_fit()
- Switch all occurrences of the pattern "rc = -ECODE; if (condition)
  goto err;" to "if (condition) { rc = -ECODE; goto err; }" (Jonathan)
- Re-organize all the cxl_{root,switch,endpoint}_decoder() patches to
  move the decoder-type-specific setup into the decoder-type-specific
  allocation routines (Jonathan)
- Add kdoc to clarify the behavior of add_cxl_resources() (Jonathan)
- Add IORES_DESC_CXL for kernel components like EDAC to determine when
  they might be dealing with a CXL address range (Tony)
- Drop usage of dev_set_drvdata() for passing @cxl_res (Jonathan)
- Drop @remove_action argument to __cxl_dpa_release(), make it behave
  like any other devm_<free> helper (Jonathan)
- Clarify 'skip' vs 'skipped' in DPA handling helpers (Jonathan)
- Clarify why port teardown no proceeds under the lock with the
  conversion from list to xarray (Jonathan)
- Revert rename of cxl_find_dport_by_dev() (Jonathan)
- Fold down_read() / up_write() mismatch fix to the patch that
  introduced the problem (Jonathan)
- Fix description of interleave_ways and interleave_granularity in the
  sysfs ABI document
- Clarify tangential cleanups in "resource: Introduce
  alloc_free_mem_region()" (Jonathan)
- Clarify rationale for the region creation / naming ABI (Jonathan)
- Add SET_CXL_REGION_ATTR() to supplement CXL_REGION_ATTR() the former
  is used to optionally added region attributes to an attribute list
  (position independent) and the latter is used to retrieve a pointer to
  the attribute in code.  (Jonathan)
- For writes to region attributes allow the same value to be written
  multiple times without error (Jonathan)
- Clarify the actions performed by cxl_port_attach_region() (Jonathan)
- Commit message spelling fixes (Alison and Jonathan)
- Rename cxl_dpa_resource() => cxl_dpa_resource_start() (Jonathan)
- Reword error message in cxl_parse_cfmws() (Adam)
- Keep @expected_len signed in cxl_acpi_cfmws_verify() (Jonathan)
- Miscellaneous formatting and doc fixes (Jonathan)
- Rename port->dpa_end port->hdm_end (Jonathan)
- Rename unregister_region() => unregister_nvdimm_region() (Jonathan)

[1]: https://lore.kernel.org/linux-cxl/165603869943.551046.3498980330327696732.stgit@dwillia2-xfh

---

Until the CXL 2.0 definition arrived there was little reason for OS
drivers to care about CXL memory expanders. Similar to DDR they just
implemented a physical address range that was described to the OS by
platform firmware (EFI Memory Map + ACPI SRAT/SLIT/HMAT etc). The CXL
2.0 definition adds support for PMEM, hotplug, switch topologies, and
device-interleaving which exceeds the limits of what can be reasonably
abstracted by EFI + ACPI mechanisms. As a result, Linux needs a native
capability to provision new CXL regions.

The term "region" is the same term that originated in the LIBNVDIMM
implementation to describe a host physical / system physical address
range. For PMEM a region is a persistent memory range that can be
further sub-divided into namespaces. For CXL there are three
classifications of regions:
- PMEM: set up by CXL native tooling and persisted in CXL region labels

- RAM: set up dynamically by CXL native tooling after hotplug events, or
  leftover capacity not mapped by platform firmware. Any persistent
  configuration would come from set up scripts / configuration files in
  userspace.

- System RAM: set up by platform firmware and described by EFI + ACPI
  metadata, these regions are static.

For now, these patches implement just PMEM regions without region label
support. Note though that the infrastructure routines like
cxl_region_attach() and cxl_region_setup_targets() are building blocks
for region-label support, provisioning RAM regions, and enumerating
System RAM regions.

The general flow for provisioning a CXL region is to:
- Find a device or set of devices with available device-physical-address
  (DPA) capacity

- Find a platform CXL window that has free capacity to map a new region
  and that is able to target the devices in the previous step.

- Allocate DPA according to the CXL specification rules of sequential
  enabling of decoders by id and when a device hosts multiple decoders
  make sure that lower-id decoders map lower HPA and higher-id decoders
  map higher HPA.

- Assign endpoint decoders to a region and validate that the switching
  topology supports the requested configuration. Recall that
  interleaving is governed by modulo or xormap math that constrains which
  device can support which positions in a given region interleave.

- Program all the decoders an all endpoints and participating switches
  to bring the new address range online.

Once the range is online then existing drivers like LIBNVDIMM or
device-dax can manage the memory range as if the ACPI BIOS had conveyed
its parameters at boot.

This patch kit is the result of significant amounts of path finding work
[2] and long discussions with Ben. Thank you Ben for all that work!
Where the patches in this kit go in a different design direction than
the RFC, the authorship is changed and a Co-developed-by is added mainly
so I get blamed for the bad decisions and not Ben. The major updates
from that last posting are:

- all CXL resources are reflected in full in iomem_resource

- host-physical-address (HPA) range allocation moves to a
  devm_request_free_mem_region() derivative

- locking moves to two global rwsems, one for DPA / endpoint decoders
  and one for HPA / regions.

- the existing port scanning path is augmented to cache more topology
  information rather than recreate it at region creation time

[2]: https://lore.kernel.org/r/20220413183720.2444089-1-ben.widawsky@intel.com

---

Ben Widawsky (4):
      cxl/hdm: Add sysfs attributes for interleave ways + granularity
      cxl/region: Add region creation support
      cxl/region: Add a 'uuid' attribute
      cxl/region: Add interleave geometry attributes

Dan Williams (24):
      Documentation/cxl: Use a double line break between entries
      cxl/core: Define a 'struct cxl_switch_decoder'
      cxl/acpi: Track CXL resources in iomem_resource
      cxl/core: Define a 'struct cxl_root_decoder'
      cxl/core: Define a 'struct cxl_endpoint_decoder'
      cxl/hdm: Enumerate allocated DPA
      cxl/hdm: Add 'mode' attribute to decoder objects
      cxl/hdm: Track next decoder to allocate
      cxl/hdm: Add support for allocating DPA to an endpoint decoder
      cxl/port: Record dport in endpoint references
      cxl/port: Record parent dport when adding ports
      cxl/port: Move 'cxl_ep' references to an xarray per port
      cxl/port: Move dport tracking to an xarray
      cxl/mem: Enumerate port targets before adding endpoints
      resource: Introduce alloc_free_mem_region()
      cxl/region: Allocate HPA capacity to regions
      cxl/region: Enable the assignment of endpoint decoders to regions
      cxl/acpi: Add a host-bridge index lookup mechanism
      cxl/region: Attach endpoint decoders
      cxl/region: Program target lists
      cxl/hdm: Commit decoder state to hardware
      cxl/region: Add region driver boiler plate
      cxl/pmem: Fix offline_nvdimm_bus() to offline by bridge
      cxl/region: Introduce cxl_pmem_region objects


 Documentation/ABI/testing/sysfs-bus-cxl         |  213 +++
 Documentation/driver-api/cxl/memory-devices.rst |   11 
 drivers/cxl/Kconfig                             |    8 
 drivers/cxl/acpi.c                              |  185 ++
 drivers/cxl/core/Makefile                       |    1 
 drivers/cxl/core/core.h                         |   49 +
 drivers/cxl/core/hdm.c                          |  623 +++++++-
 drivers/cxl/core/pmem.c                         |    4 
 drivers/cxl/core/port.c                         |  669 ++++++--
 drivers/cxl/core/region.c                       | 1830 +++++++++++++++++++++++
 drivers/cxl/cxl.h                               |  263 +++
 drivers/cxl/cxlmem.h                            |   18 
 drivers/cxl/mem.c                               |   32 
 drivers/cxl/pmem.c                              |  259 +++
 drivers/nvdimm/region_devs.c                    |   28 
 include/linux/ioport.h                          |    3 
 include/linux/libnvdimm.h                       |    5 
 kernel/resource.c                               |  185 ++
 mm/Kconfig                                      |    5 
 tools/testing/cxl/Kbuild                        |    1 
 tools/testing/cxl/test/cxl.c                    |   75 +
 21 files changed, 4156 insertions(+), 311 deletions(-)
 create mode 100644 drivers/cxl/core/region.c

base-commit: b060edfd8cdd52bc8648392500bf152a8dd6d4c5

[PATCH v2 01/28] Documentation/cxl: Use a double line break between entries

[Dan Williams]

Make it easier to read delineations between the "Description" line
break, new paragraph line breaks, and new entries.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 1fd5984b6158..16d9ffa94bbd 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -7,6 +7,7 @@ Description:
 		all descendant memdevs for unbind. Writing '1' to this attribute
 		flushes that work.
 
+
 What:		/sys/bus/cxl/devices/memX/firmware_version
 Date:		December, 2020
 KernelVersion:	v5.12
@@ -16,6 +17,7 @@ Description:
 		Memory Device Output Payload in the CXL-2.0
 		specification.
 
+
 What:		/sys/bus/cxl/devices/memX/ram/size
 Date:		December, 2020
 KernelVersion:	v5.12
@@ -25,6 +27,7 @@ Description:
 		identically named field in the Identify Memory Device Output
 		Payload in the CXL-2.0 specification.
 
+
 What:		/sys/bus/cxl/devices/memX/pmem/size
 Date:		December, 2020
 KernelVersion:	v5.12
@@ -34,6 +37,7 @@ Description:
 		identically named field in the Identify Memory Device Output
 		Payload in the CXL-2.0 specification.
 
+
 What:		/sys/bus/cxl/devices/memX/serial
 Date:		January, 2022
 KernelVersion:	v5.18
@@ -43,6 +47,7 @@ Description:
 		capability. Mandatory for CXL devices, see CXL 2.0 8.1.12.2
 		Memory Device PCIe Capabilities and Extended Capabilities.
 
+
 What:		/sys/bus/cxl/devices/memX/numa_node
 Date:		January, 2022
 KernelVersion:	v5.18
@@ -52,6 +57,7 @@ Description:
 		host PCI device for this memory device, emit the CPU node
 		affinity for this device.
 
+
 What:		/sys/bus/cxl/devices/*/devtype
 Date:		June, 2021
 KernelVersion:	v5.14
@@ -61,6 +67,7 @@ Description:
 		mirrors the same value communicated in the DEVTYPE environment
 		variable for uevents for devices on the "cxl" bus.
 
+
 What:		/sys/bus/cxl/devices/*/modalias
 Date:		December, 2021
 KernelVersion:	v5.18
@@ -70,6 +77,7 @@ Description:
 		mirrors the same value communicated in the MODALIAS environment
 		variable for uevents for devices on the "cxl" bus.
 
+
 What:		/sys/bus/cxl/devices/portX/uport
 Date:		June, 2021
 KernelVersion:	v5.14
@@ -81,6 +89,7 @@ Description:
 		the CXL portX object to the device that published the CXL port
 		capability.
 
+
 What:		/sys/bus/cxl/devices/portX/dportY
 Date:		June, 2021
 KernelVersion:	v5.14
@@ -94,6 +103,7 @@ Description:
 		integer reflects the hardware port unique-id used in the
 		hardware decoder target list.
 
+
 What:		/sys/bus/cxl/devices/decoderX.Y
 Date:		June, 2021
 KernelVersion:	v5.14
@@ -106,6 +116,7 @@ Description:
 		cxl_port container of this decoder, and 'Y' represents the
 		instance id of a given decoder resource.
 
+
 What:		/sys/bus/cxl/devices/decoderX.Y/{start,size}
 Date:		June, 2021
 KernelVersion:	v5.14
@@ -120,6 +131,7 @@ Description:
 		and dynamically updates based on the active memory regions in
 		that address space.
 
+
 What:		/sys/bus/cxl/devices/decoderX.Y/locked
 Date:		June, 2021
 KernelVersion:	v5.14
@@ -132,6 +144,7 @@ Description:
 		secondary bus reset, of the PCIe bridge that provides the bus
 		for this decoders uport, unlocks / resets the decoder.
 
+
 What:		/sys/bus/cxl/devices/decoderX.Y/target_list
 Date:		June, 2021
 KernelVersion:	v5.14
@@ -142,6 +155,7 @@ Description:
 		configured interleave order of the decoder's dport instances.
 		Each entry in the list is a dport id.
 
+
 What:		/sys/bus/cxl/devices/decoderX.Y/cap_{pmem,ram,type2,type3}
 Date:		June, 2021
 KernelVersion:	v5.14
@@ -154,6 +168,7 @@ Description:
 		memory, volatile memory, accelerator memory, and / or expander
 		memory may be mapped behind this decoder's memory window.
 
+
 What:		/sys/bus/cxl/devices/decoderX.Y/target_type
 Date:		June, 2021
 KernelVersion:	v5.14

[PATCH v2 02/28] cxl/core: Define a 'struct cxl_switch_decoder'

[Dan Williams]

Currently 'struct cxl_decoder' contains the superset of attributes
needed for all decoder types. Before more type-specific attributes are
added to the common definition, reorganize 'struct cxl_decoder' into type
specific objects.

This patch, the first of three, factors out a cxl_switch_decoder type.
See the new kdoc for what a 'struct cxl_switch_decoder' represents in a
CXL topology.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/acpi.c           |    4 +
 drivers/cxl/core/hdm.c       |   33 +++++--
 drivers/cxl/core/port.c      |  188 ++++++++++++++++++++++++++++--------------
 drivers/cxl/cxl.h            |   30 +++++--
 tools/testing/cxl/test/cxl.c |   23 ++++-
 5 files changed, 189 insertions(+), 89 deletions(-)

diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c
index 541fc0b28b8f..62bf22ffb7aa 100644
--- a/drivers/cxl/acpi.c
+++ b/drivers/cxl/acpi.c
@@ -81,6 +81,7 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
 	int target_map[CXL_DECODER_MAX_INTERLEAVE];
 	struct cxl_cfmws_context *ctx = arg;
 	struct cxl_port *root_port = ctx->root_port;
+	struct cxl_switch_decoder *cxlsd;
 	struct device *dev = ctx->dev;
 	struct acpi_cedt_cfmws *cfmws;
 	struct cxl_decoder *cxld;
@@ -106,10 +107,11 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
 	for (i = 0; i < ways; i++)
 		target_map[i] = cfmws->interleave_targets[i];
 
-	cxld = cxl_root_decoder_alloc(root_port, ways);
+	cxlsd = cxl_root_decoder_alloc(root_port, ways);
 	if (IS_ERR(cxld))
 		return 0;
 
+	cxld = &cxlsd->cxld;
 	cxld->flags = cfmws_to_decoder_flags(cfmws->restrictions);
 	cxld->target_type = CXL_DECODER_EXPANDER;
 	cxld->hpa_range = (struct range) {
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index c524e772fdae..2f10d42798de 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -49,20 +49,20 @@ static int add_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
  */
 int devm_cxl_add_passthrough_decoder(struct cxl_port *port)
 {
-	struct cxl_decoder *cxld;
+	struct cxl_switch_decoder *cxlsd;
 	struct cxl_dport *dport;
 	int single_port_map[1];
 
-	cxld = cxl_switch_decoder_alloc(port, 1);
-	if (IS_ERR(cxld))
-		return PTR_ERR(cxld);
+	cxlsd = cxl_switch_decoder_alloc(port, 1);
+	if (IS_ERR(cxlsd))
+		return PTR_ERR(cxlsd);
 
 	device_lock_assert(&port->dev);
 
 	dport = list_first_entry(&port->dports, typeof(*dport), list);
 	single_port_map[0] = dport->port_id;
 
-	return add_hdm_decoder(port, cxld, single_port_map);
+	return add_hdm_decoder(port, &cxlsd->cxld, single_port_map);
 }
 EXPORT_SYMBOL_NS_GPL(devm_cxl_add_passthrough_decoder, CXL);
 
@@ -255,14 +255,23 @@ int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm)
 		int rc, target_count = cxlhdm->target_count;
 		struct cxl_decoder *cxld;
 
-		if (is_cxl_endpoint(port))
+		if (is_cxl_endpoint(port)) {
 			cxld = cxl_endpoint_decoder_alloc(port);
-		else
-			cxld = cxl_switch_decoder_alloc(port, target_count);
-		if (IS_ERR(cxld)) {
-			dev_warn(&port->dev,
-				 "Failed to allocate the decoder\n");
-			return PTR_ERR(cxld);
+			if (IS_ERR(cxld)) {
+				dev_warn(&port->dev,
+					 "Failed to allocate the decoder\n");
+				return PTR_ERR(cxld);
+			}
+		} else {
+			struct cxl_switch_decoder *cxlsd;
+
+			cxlsd = cxl_switch_decoder_alloc(port, target_count);
+			if (IS_ERR(cxlsd)) {
+				dev_warn(&port->dev,
+					 "Failed to allocate the decoder\n");
+				return PTR_ERR(cxlsd);
+			}
+			cxld = &cxlsd->cxld;
 		}
 
 		rc = init_hdm_decoder(port, cxld, target_map, hdm, i);
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index f62c0a6e17ea..27a2a6b839aa 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -120,20 +120,21 @@ static ssize_t target_type_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(target_type);
 
-static ssize_t emit_target_list(struct cxl_decoder *cxld, char *buf)
+static ssize_t emit_target_list(struct cxl_switch_decoder *cxlsd, char *buf)
 {
+	struct cxl_decoder *cxld = &cxlsd->cxld;
 	ssize_t offset = 0;
 	int i, rc = 0;
 
 	for (i = 0; i < cxld->interleave_ways; i++) {
-		struct cxl_dport *dport = cxld->target[i];
+		struct cxl_dport *dport = cxlsd->target[i];
 		struct cxl_dport *next = NULL;
 
 		if (!dport)
 			break;
 
 		if (i + 1 < cxld->interleave_ways)
-			next = cxld->target[i + 1];
+			next = cxlsd->target[i + 1];
 		rc = sysfs_emit_at(buf, offset, "%d%s", dport->port_id,
 				   next ? "," : "");
 		if (rc < 0)
@@ -144,18 +145,20 @@ static ssize_t emit_target_list(struct cxl_decoder *cxld, char *buf)
 	return offset;
 }
 
+static struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev);
+
 static ssize_t target_list_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
-	struct cxl_decoder *cxld = to_cxl_decoder(dev);
+	struct cxl_switch_decoder *cxlsd = to_cxl_switch_decoder(dev);
 	ssize_t offset;
 	unsigned int seq;
 	int rc;
 
 	do {
-		seq = read_seqbegin(&cxld->target_lock);
-		rc = emit_target_list(cxld, buf);
-	} while (read_seqretry(&cxld->target_lock, seq));
+		seq = read_seqbegin(&cxlsd->target_lock);
+		rc = emit_target_list(cxlsd, buf);
+	} while (read_seqretry(&cxlsd->target_lock, seq));
 
 	if (rc < 0)
 		return rc;
@@ -233,14 +236,28 @@ static const struct attribute_group *cxl_decoder_endpoint_attribute_groups[] = {
 	NULL,
 };
 
+static void __cxl_decoder_release(struct cxl_decoder *cxld)
+{
+	struct cxl_port *port = to_cxl_port(cxld->dev.parent);
+
+	ida_free(&port->decoder_ida, cxld->id);
+	put_device(&port->dev);
+}
+
 static void cxl_decoder_release(struct device *dev)
 {
 	struct cxl_decoder *cxld = to_cxl_decoder(dev);
-	struct cxl_port *port = to_cxl_port(dev->parent);
 
-	ida_free(&port->decoder_ida, cxld->id);
+	__cxl_decoder_release(cxld);
 	kfree(cxld);
-	put_device(&port->dev);
+}
+
+static void cxl_switch_decoder_release(struct device *dev)
+{
+	struct cxl_switch_decoder *cxlsd = to_cxl_switch_decoder(dev);
+
+	__cxl_decoder_release(&cxlsd->cxld);
+	kfree(cxlsd);
 }
 
 static const struct device_type cxl_decoder_endpoint_type = {
@@ -251,13 +268,13 @@ static const struct device_type cxl_decoder_endpoint_type = {
 
 static const struct device_type cxl_decoder_switch_type = {
 	.name = "cxl_decoder_switch",
-	.release = cxl_decoder_release,
+	.release = cxl_switch_decoder_release,
 	.groups = cxl_decoder_switch_attribute_groups,
 };
 
 static const struct device_type cxl_decoder_root_type = {
 	.name = "cxl_decoder_root",
-	.release = cxl_decoder_release,
+	.release = cxl_switch_decoder_release,
 	.groups = cxl_decoder_root_attribute_groups,
 };
 
@@ -272,15 +289,29 @@ bool is_root_decoder(struct device *dev)
 }
 EXPORT_SYMBOL_NS_GPL(is_root_decoder, CXL);
 
+static bool is_switch_decoder(struct device *dev)
+{
+	return is_root_decoder(dev) || dev->type == &cxl_decoder_switch_type;
+}
+
 struct cxl_decoder *to_cxl_decoder(struct device *dev)
 {
-	if (dev_WARN_ONCE(dev, dev->type->release != cxl_decoder_release,
+	if (dev_WARN_ONCE(dev,
+			  !is_switch_decoder(dev) && !is_endpoint_decoder(dev),
 			  "not a cxl_decoder device\n"))
 		return NULL;
 	return container_of(dev, struct cxl_decoder, dev);
 }
 EXPORT_SYMBOL_NS_GPL(to_cxl_decoder, CXL);
 
+static struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev)
+{
+	if (dev_WARN_ONCE(dev, !is_switch_decoder(dev),
+			  "not a cxl_switch_decoder device\n"))
+		return NULL;
+	return container_of(dev, struct cxl_switch_decoder, cxld.dev);
+}
+
 static void cxl_ep_release(struct cxl_ep *ep)
 {
 	if (!ep)
@@ -1146,7 +1177,7 @@ struct cxl_dport *cxl_find_dport_by_dev(struct cxl_port *port,
 }
 EXPORT_SYMBOL_NS_GPL(cxl_find_dport_by_dev, CXL);
 
-static int decoder_populate_targets(struct cxl_decoder *cxld,
+static int decoder_populate_targets(struct cxl_switch_decoder *cxlsd,
 				    struct cxl_port *port, int *target_map)
 {
 	int i, rc = 0;
@@ -1159,17 +1190,17 @@ static int decoder_populate_targets(struct cxl_decoder *cxld,
 	if (list_empty(&port->dports))
 		return -EINVAL;
 
-	write_seqlock(&cxld->target_lock);
-	for (i = 0; i < cxld->nr_targets; i++) {
+	write_seqlock(&cxlsd->target_lock);
+	for (i = 0; i < cxlsd->nr_targets; i++) {
 		struct cxl_dport *dport = find_dport(port, target_map[i]);
 
 		if (!dport) {
 			rc = -ENXIO;
 			break;
 		}
-		cxld->target[i] = dport;
+		cxlsd->target[i] = dport;
 	}
-	write_sequnlock(&cxld->target_lock);
+	write_sequnlock(&cxlsd->target_lock);
 
 	return rc;
 }
@@ -1177,56 +1208,34 @@ static int decoder_populate_targets(struct cxl_decoder *cxld,
 static struct lock_class_key cxl_decoder_key;
 
 /**
- * cxl_decoder_alloc - Allocate a new CXL decoder
+ * cxl_decoder_alloc - Common decoder setup / initialization
  * @port: owning port of this decoder
- * @nr_targets: downstream targets accessible by this decoder. All upstream
- *		ports and root ports must have at least 1 target. Endpoint
- *		devices will have 0 targets. Callers wishing to register an
- *		endpoint device should specify 0.
- *
- * A port should contain one or more decoders. Each of those decoders enable
- * some address space for CXL.mem utilization. A decoder is expected to be
- * configured by the caller before registering.
+ * @cxld: common decoder properties to initialize
  *
- * Return: A new cxl decoder to be registered by cxl_decoder_add(). The decoder
- *	   is initialized to be a "passthrough" decoder.
+ * A port may contain one or more decoders. Each of those decoders
+ * enable some address space for CXL.mem utilization. A decoder is
+ * expected to be configured by the caller before registering via
+ * cxl_decoder_add()
  */
-static struct cxl_decoder *cxl_decoder_alloc(struct cxl_port *port,
-					     unsigned int nr_targets)
+static int cxl_decoder_init(struct cxl_port *port, struct cxl_decoder *cxld)
 {
-	struct cxl_decoder *cxld;
 	struct device *dev;
-	int rc = 0;
-
-	if (nr_targets > CXL_DECODER_MAX_INTERLEAVE)
-		return ERR_PTR(-EINVAL);
-
-	cxld = kzalloc(struct_size(cxld, target, nr_targets), GFP_KERNEL);
-	if (!cxld)
-		return ERR_PTR(-ENOMEM);
+	int rc;
 
 	rc = ida_alloc(&port->decoder_ida, GFP_KERNEL);
 	if (rc < 0)
-		goto err;
+		return rc;
 
 	/* need parent to stick around to release the id */
 	get_device(&port->dev);
 	cxld->id = rc;
 
-	cxld->nr_targets = nr_targets;
-	seqlock_init(&cxld->target_lock);
 	dev = &cxld->dev;
 	device_initialize(dev);
 	lockdep_set_class(&dev->mutex, &cxl_decoder_key);
 	device_set_pm_not_required(dev);
 	dev->parent = &port->dev;
 	dev->bus = &cxl_bus_type;
-	if (is_cxl_root(port))
-		cxld->dev.type = &cxl_decoder_root_type;
-	else if (is_cxl_endpoint(port))
-		cxld->dev.type = &cxl_decoder_endpoint_type;
-	else
-		cxld->dev.type = &cxl_decoder_switch_type;
 
 	/* Pre initialize an "empty" decoder */
 	cxld->interleave_ways = 1;
@@ -1237,10 +1246,19 @@ static struct cxl_decoder *cxl_decoder_alloc(struct cxl_port *port,
 		.end = -1,
 	};
 
-	return cxld;
-err:
-	kfree(cxld);
-	return ERR_PTR(rc);
+	return 0;
+}
+
+static int cxl_switch_decoder_init(struct cxl_port *port,
+				   struct cxl_switch_decoder *cxlsd,
+				   int nr_targets)
+{
+	if (nr_targets > CXL_DECODER_MAX_INTERLEAVE)
+		return -EINVAL;
+
+	cxlsd->nr_targets = nr_targets;
+	seqlock_init(&cxlsd->target_lock);
+	return cxl_decoder_init(port, &cxlsd->cxld);
 }
 
 /**
@@ -1253,13 +1271,29 @@ static struct cxl_decoder *cxl_decoder_alloc(struct cxl_port *port,
  * firmware description of CXL resources into a CXL standard decode
  * topology.
  */
-struct cxl_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
-					   unsigned int nr_targets)
+struct cxl_switch_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
+						  unsigned int nr_targets)
 {
+	struct cxl_switch_decoder *cxlsd;
+	struct cxl_decoder *cxld;
+	int rc;
+
 	if (!is_cxl_root(port))
 		return ERR_PTR(-EINVAL);
 
-	return cxl_decoder_alloc(port, nr_targets);
+	cxlsd = kzalloc(struct_size(cxlsd, target, nr_targets), GFP_KERNEL);
+	if (!cxlsd)
+		return ERR_PTR(-ENOMEM);
+
+	rc = cxl_switch_decoder_init(port, cxlsd, nr_targets);
+	if (rc) {
+		kfree(cxlsd);
+		return ERR_PTR(rc);
+	}
+
+	cxld = &cxlsd->cxld;
+	cxld->dev.type = &cxl_decoder_root_type;
+	return cxlsd;
 }
 EXPORT_SYMBOL_NS_GPL(cxl_root_decoder_alloc, CXL);
 
@@ -1274,13 +1308,29 @@ EXPORT_SYMBOL_NS_GPL(cxl_root_decoder_alloc, CXL);
  * that sit between Switch Upstream Ports / Switch Downstream Ports and
  * Host Bridges / Root Ports.
  */
-struct cxl_decoder *cxl_switch_decoder_alloc(struct cxl_port *port,
-					     unsigned int nr_targets)
+struct cxl_switch_decoder *cxl_switch_decoder_alloc(struct cxl_port *port,
+						    unsigned int nr_targets)
 {
+	struct cxl_switch_decoder *cxlsd;
+	struct cxl_decoder *cxld;
+	int rc;
+
 	if (is_cxl_root(port) || is_cxl_endpoint(port))
 		return ERR_PTR(-EINVAL);
 
-	return cxl_decoder_alloc(port, nr_targets);
+	cxlsd = kzalloc(struct_size(cxlsd, target, nr_targets), GFP_KERNEL);
+	if (!cxlsd)
+		return ERR_PTR(-ENOMEM);
+
+	rc = cxl_switch_decoder_init(port, cxlsd, nr_targets);
+	if (rc) {
+		kfree(cxlsd);
+		return ERR_PTR(rc);
+	}
+
+	cxld = &cxlsd->cxld;
+	cxld->dev.type = &cxl_decoder_switch_type;
+	return cxlsd;
 }
 EXPORT_SYMBOL_NS_GPL(cxl_switch_decoder_alloc, CXL);
 
@@ -1292,10 +1342,24 @@ EXPORT_SYMBOL_NS_GPL(cxl_switch_decoder_alloc, CXL);
  */
 struct cxl_decoder *cxl_endpoint_decoder_alloc(struct cxl_port *port)
 {
+	struct cxl_decoder *cxld;
+	int rc;
+
 	if (!is_cxl_endpoint(port))
 		return ERR_PTR(-EINVAL);
 
-	return cxl_decoder_alloc(port, 0);
+	cxld = kzalloc(sizeof(*cxld), GFP_KERNEL);
+	if (!cxld)
+		return ERR_PTR(-ENOMEM);
+
+	rc = cxl_decoder_init(port, cxld);
+	if (rc)	 {
+		kfree(cxld);
+		return ERR_PTR(rc);
+	}
+
+	cxld->dev.type = &cxl_decoder_endpoint_type;
+	return cxld;
 }
 EXPORT_SYMBOL_NS_GPL(cxl_endpoint_decoder_alloc, CXL);
 
@@ -1337,7 +1401,9 @@ int cxl_decoder_add_locked(struct cxl_decoder *cxld, int *target_map)
 
 	port = to_cxl_port(cxld->dev.parent);
 	if (!is_endpoint_decoder(dev)) {
-		rc = decoder_populate_targets(cxld, port, target_map);
+		struct cxl_switch_decoder *cxlsd = to_cxl_switch_decoder(dev);
+
+		rc = decoder_populate_targets(cxlsd, port, target_map);
 		if (rc && (cxld->flags & CXL_DECODER_F_ENABLE)) {
 			dev_err(&port->dev,
 				"Failed to populate active decoder targets\n");
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 570bd9f8141b..0289c06ec72c 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -220,7 +220,7 @@ enum cxl_decoder_type {
 #define CXL_DECODER_MAX_INTERLEAVE 16
 
 /**
- * struct cxl_decoder - CXL address range decode configuration
+ * struct cxl_decoder - Common CXL HDM Decoder Attributes
  * @dev: this decoder's device
  * @id: kernel device name id
  * @hpa_range: Host physical address range mapped by this decoder
@@ -228,9 +228,6 @@ enum cxl_decoder_type {
  * @interleave_granularity: data stride per dport
  * @target_type: accelerator vs expander (type2 vs type3) selector
  * @flags: memory type capabilities and locking
- * @target_lock: coordinate coherent reads of the target list
- * @nr_targets: number of elements in @target
- * @target: active ordered target list in current decoder configuration
  */
 struct cxl_decoder {
 	struct device dev;
@@ -240,6 +237,23 @@ struct cxl_decoder {
 	int interleave_granularity;
 	enum cxl_decoder_type target_type;
 	unsigned long flags;
+};
+
+/**
+ * struct cxl_switch_decoder - Switch specific CXL HDM Decoder
+ * @cxld: base cxl_decoder object
+ * @target_lock: coordinate coherent reads of the target list
+ * @nr_targets: number of elements in @target
+ * @target: active ordered target list in current decoder configuration
+ *
+ * The 'switch' decoder type represents the decoder instances of cxl_port's that
+ * route from the root of a CXL memory decode topology to the endpoints. They
+ * come in two flavors, root-level decoders, statically defined by platform
+ * firmware, and mid-level decoders, where interleave-granularity,
+ * interleave-width, and the target list are mutable.
+ */
+struct cxl_switch_decoder {
+	struct cxl_decoder cxld;
 	seqlock_t target_lock;
 	int nr_targets;
 	struct cxl_dport *target[];
@@ -364,10 +378,10 @@ struct cxl_dport *cxl_find_dport_by_dev(struct cxl_port *port,
 struct cxl_decoder *to_cxl_decoder(struct device *dev);
 bool is_root_decoder(struct device *dev);
 bool is_endpoint_decoder(struct device *dev);
-struct cxl_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
-					   unsigned int nr_targets);
-struct cxl_decoder *cxl_switch_decoder_alloc(struct cxl_port *port,
-					     unsigned int nr_targets);
+struct cxl_switch_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
+						  unsigned int nr_targets);
+struct cxl_switch_decoder *cxl_switch_decoder_alloc(struct cxl_port *port,
+						    unsigned int nr_targets);
 int cxl_decoder_add(struct cxl_decoder *cxld, int *target_map);
 struct cxl_decoder *cxl_endpoint_decoder_alloc(struct cxl_port *port);
 int cxl_decoder_add_locked(struct cxl_decoder *cxld, int *target_map);
diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c
index 6e086fbc5c5b..7991ddc6e562 100644
--- a/tools/testing/cxl/test/cxl.c
+++ b/tools/testing/cxl/test/cxl.c
@@ -451,14 +451,23 @@ static int mock_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm)
 		struct cxl_decoder *cxld;
 		int rc;
 
-		if (target_count)
-			cxld = cxl_switch_decoder_alloc(port, target_count);
-		else
+		if (target_count) {
+			struct cxl_switch_decoder *cxlsd;
+
+			cxlsd = cxl_switch_decoder_alloc(port, target_count);
+			if (IS_ERR(cxlsd)) {
+				dev_warn(&port->dev,
+					 "Failed to allocate the decoder\n");
+				return PTR_ERR(cxlsd);
+			}
+			cxld = &cxlsd->cxld;
+		} else {
 			cxld = cxl_endpoint_decoder_alloc(port);
-		if (IS_ERR(cxld)) {
-			dev_warn(&port->dev,
-				 "Failed to allocate the decoder\n");
-			return PTR_ERR(cxld);
+			if (IS_ERR(cxld)) {
+				dev_warn(&port->dev,
+					 "Failed to allocate the decoder\n");
+				return PTR_ERR(cxld);
+			}
 		}
 
 		cxld->hpa_range = (struct range) {

[PATCH v2 03/28] cxl/acpi: Track CXL resources in iomem_resource

[Dan Williams]

Recall that CXL capable address ranges, on ACPI platforms, are published
in the CEDT.CFMWS (CXL Early Discovery Table: CXL Fixed Memory Window
Structures). These windows represent both the actively mapped capacity
and the potential address space that can be dynamically assigned to a
new CXL decode configuration (region / interleave-set).

CXL endpoints like DDR DIMMs can be mapped at any physical address
including 0 and legacy ranges.

There is an expectation and requirement that the /proc/iomem interface
and the iomem_resource tree in the kernel reflect the full set of
platform address ranges. I.e. that every address range that platform
firmware and bus drivers enumerate be reflected as an iomem_resource
entry. The hard requirement to do this for CXL arises from the fact that
facilities like CONFIG_DEVICE_PRIVATE expect to be able to treat empty
iomem_resource ranges as free for software to use as proxy address
space. Without CXL publishing its potential address ranges in
iomem_resource, the CONFIG_DEVICE_PRIVATE mechanism may inadvertently
steal capacity reserved for runtime provisioning of new CXL regions.

So, iomem_resource needs to know about both active and potential CXL
resource ranges. The active CXL resources might already be reflected in
iomem_resource as "System RAM". insert_resource_expand_to_fit() handles
re-parenting "System RAM" underneath a CXL window.

The "_expand_to_fit()" behavior handles cases where a CXL window is not
a strict superset of an existing entry in the iomem_resource tree. The
"_expand_to_fit()" behavior is acceptable from the perspective of
resource allocation. The expansion happens because a conflicting
resource range is already populated, which means the resource boundary
expansion does not result in any additional free CXL address space being
made available. CXL address space allocation is always bounded by the
orginal unexpanded address range.

However, the potential for expansion does mean that something like
walk_iomem_res_desc(IORES_DESC_CXL...) can only return fuzzy answers on
corner case platforms that cause the resource tree to expand a CXL
window resource over a range that is not decoded by CXL. This would be
an odd platform configuration, but if it becomes a problem in practice
the CXL subsytem could just publish an API that returns definitive
answers.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/acpi.c     |  144 +++++++++++++++++++++++++++++++++++++++++++++++-
 include/linux/ioport.h |    1 
 kernel/resource.c      |    7 ++
 3 files changed, 149 insertions(+), 3 deletions(-)

diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c
index 62bf22ffb7aa..e2b6cbd04846 100644
--- a/drivers/cxl/acpi.c
+++ b/drivers/cxl/acpi.c
@@ -73,6 +73,8 @@ static int cxl_acpi_cfmws_verify(struct device *dev,
 struct cxl_cfmws_context {
 	struct device *dev;
 	struct cxl_port *root_port;
+	struct resource *cxl_res;
+	int id;
 };
 
 static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
@@ -81,11 +83,13 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
 	int target_map[CXL_DECODER_MAX_INTERLEAVE];
 	struct cxl_cfmws_context *ctx = arg;
 	struct cxl_port *root_port = ctx->root_port;
+	struct resource *cxl_res = ctx->cxl_res;
 	struct cxl_switch_decoder *cxlsd;
 	struct device *dev = ctx->dev;
 	struct acpi_cedt_cfmws *cfmws;
 	struct cxl_decoder *cxld;
 	unsigned int ways, i, ig;
+	struct resource *res;
 	int rc;
 
 	cfmws = (struct acpi_cedt_cfmws *) header;
@@ -107,6 +111,23 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
 	for (i = 0; i < ways; i++)
 		target_map[i] = cfmws->interleave_targets[i];
 
+	res = kzalloc(sizeof(*res), GFP_KERNEL);
+	if (!res)
+		return -ENOMEM;
+
+	res->name = kasprintf(GFP_KERNEL, "CXL Window %d", ctx->id++);
+	if (!res->name)
+		goto err_name;
+
+	res->start = cfmws->base_hpa;
+	res->end = cfmws->base_hpa + cfmws->window_size - 1;
+	res->flags = IORESOURCE_MEM;
+
+	/* add to the local resource tracking to establish a sort order */
+	rc = insert_resource(cxl_res, res);
+	if (rc)
+		goto err_insert;
+
 	cxlsd = cxl_root_decoder_alloc(root_port, ways);
 	if (IS_ERR(cxld))
 		return 0;
@@ -115,8 +136,8 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
 	cxld->flags = cfmws_to_decoder_flags(cfmws->restrictions);
 	cxld->target_type = CXL_DECODER_EXPANDER;
 	cxld->hpa_range = (struct range) {
-		.start = cfmws->base_hpa,
-		.end = cfmws->base_hpa + cfmws->window_size - 1,
+		.start = res->start,
+		.end = res->end,
 	};
 	cxld->interleave_ways = ways;
 	cxld->interleave_granularity = ig;
@@ -137,6 +158,12 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
 		cxld->hpa_range.start, cxld->hpa_range.end);
 
 	return 0;
+
+err_insert:
+	kfree(res->name);
+err_name:
+	kfree(res);
+	return -ENOMEM;
 }
 
 __mock struct acpi_device *to_cxl_host_bridge(struct device *host,
@@ -291,9 +318,101 @@ static void cxl_acpi_lock_reset_class(void *dev)
 	device_lock_reset_class(dev);
 }
 
+static void del_cxl_resource(struct resource *res)
+{
+	kfree(res->name);
+	kfree(res);
+}
+
+static void cxl_set_public_resource(struct resource *priv, struct resource *pub)
+{
+	priv->desc = (unsigned long) pub;
+}
+
+static struct resource *cxl_get_public_resource(struct resource *priv)
+{
+	return (struct resource *) priv->desc;
+}
+
+static void remove_cxl_resources(void *data)
+{
+	struct resource *res, *next, *cxl = data;
+
+	for (res = cxl->child; res; res = next) {
+		struct resource *victim = cxl_get_public_resource(res);
+
+		next = res->sibling;
+		remove_resource(res);
+
+		if (victim) {
+			remove_resource(victim);
+			kfree(victim);
+		}
+
+		del_cxl_resource(res);
+	}
+}
+
+/**
+ * add_cxl_resources() - reflect CXL fixed memory windows in iomem_resource
+ * @cxl_res: A standalone resource tree where each CXL window is a sibling
+ *
+ * Walk each CXL window in @cxl_res and add it to iomem_resource potentially
+ * expanding its boundaries to ensure that any conflicting resources become
+ * children. If a window is expanded it may then conflict with a another window
+ * entry and require the window to be truncated or trimmed. Consider this
+ * situation:
+ *
+ * |-- "CXL Window 0" --||----- "CXL Window 1" -----|
+ * |--------------- "System RAM" -------------|
+ *
+ * ...where platform firmware has established as System RAM resource across 2
+ * windows, but has left some portion of window 1 for dynamic CXL region
+ * provisioning. In this case "Window 0" will span the entirety of the "System
+ * RAM" span, and "CXL Window 1" is truncated to the remaining tail past the end
+ * of that "System RAM" resource.
+ */
+static int add_cxl_resources(struct resource *cxl_res)
+{
+	struct resource *res, *new, *next;
+
+	for (res = cxl_res->child; res; res = next) {
+		new = kzalloc(sizeof(*new), GFP_KERNEL);
+		if (!new)
+			return -ENOMEM;
+		new->name = res->name;
+		new->start = res->start;
+		new->end = res->end;
+		new->flags = IORESOURCE_MEM;
+		new->desc = IORES_DESC_CXL;
+
+		/*
+		 * Record the public resource in the private cxl_res tree for
+		 * later removal.
+		 */
+		cxl_set_public_resource(res, new);
+
+		insert_resource_expand_to_fit(&iomem_resource, new);
+
+		next = res->sibling;
+		while (next && resource_overlaps(new, next)) {
+			if (resource_contains(new, next)) {
+				struct resource *_next = next->sibling;
+
+				remove_resource(next);
+				del_cxl_resource(next);
+				next = _next;
+			} else
+				next->start = new->end + 1;
+		}
+	}
+	return 0;
+}
+
 static int cxl_acpi_probe(struct platform_device *pdev)
 {
 	int rc;
+	struct resource *cxl_res;
 	struct cxl_port *root_port;
 	struct device *host = &pdev->dev;
 	struct acpi_device *adev = ACPI_COMPANION(host);
@@ -305,6 +424,14 @@ static int cxl_acpi_probe(struct platform_device *pdev)
 	if (rc)
 		return rc;
 
+	cxl_res = devm_kzalloc(host, sizeof(*cxl_res), GFP_KERNEL);
+	if (!cxl_res)
+		return -ENOMEM;
+	cxl_res->name = "CXL mem";
+	cxl_res->start = 0;
+	cxl_res->end = -1;
+	cxl_res->flags = IORESOURCE_MEM;
+
 	root_port = devm_cxl_add_port(host, host, CXL_RESOURCE_NONE, NULL);
 	if (IS_ERR(root_port))
 		return PTR_ERR(root_port);
@@ -315,11 +442,22 @@ static int cxl_acpi_probe(struct platform_device *pdev)
 	if (rc < 0)
 		return rc;
 
+	rc = devm_add_action_or_reset(host, remove_cxl_resources, cxl_res);
+	if (rc)
+		return rc;
+
 	ctx = (struct cxl_cfmws_context) {
 		.dev = host,
 		.root_port = root_port,
+		.cxl_res = cxl_res,
 	};
-	acpi_table_parse_cedt(ACPI_CEDT_TYPE_CFMWS, cxl_parse_cfmws, &ctx);
+	rc = acpi_table_parse_cedt(ACPI_CEDT_TYPE_CFMWS, cxl_parse_cfmws, &ctx);
+	if (rc < 0)
+		return -ENXIO;
+
+	rc = add_cxl_resources(cxl_res);
+	if (rc)
+		return rc;
 
 	/*
 	 * Root level scanned with host-bridge as dports, now scan host-bridges
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index ec5f71f7135b..79d1ad6d6275 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -141,6 +141,7 @@ enum {
 	IORES_DESC_DEVICE_PRIVATE_MEMORY	= 6,
 	IORES_DESC_RESERVED			= 7,
 	IORES_DESC_SOFT_RESERVED		= 8,
+	IORES_DESC_CXL				= 9,
 };
 
 /*
diff --git a/kernel/resource.c b/kernel/resource.c
index 34eaee179689..53a534db350e 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -891,6 +891,13 @@ void insert_resource_expand_to_fit(struct resource *root, struct resource *new)
 	}
 	write_unlock(&resource_lock);
 }
+/*
+ * Not for general consumption, only early boot memory map parsing, PCI
+ * resource discovery, and late discovery of CXL resources are expected
+ * to use this interface. The former are built-in and only the latter,
+ * CXL, is a module.
+ */
+EXPORT_SYMBOL_NS_GPL(insert_resource_expand_to_fit, CXL);
 
 /**
  * remove_resource - Remove a resource in the resource tree

[PATCH v2 04/28] cxl/core: Define a 'struct cxl_root_decoder'

[Dan Williams]

Previously the target routing specifics of switch decoders were factored
out of 'struct cxl_decoder' into 'struct cxl_switch_decoder'.

This patch, 2 of 3, adds a 'struct cxl_root_decoder' as a superset of a
switch decoder that also track the associated CXL window platform
resource.

Note that the reason the resource for a given root decoder needs to be
looked up after the fact (i.e. after cxl_parse_cfmws() and
add_cxl_resource()) is because add_cxl_resource() may have merged CXL
windows in order to keep them at the top of the resource tree / decode
hierarchy.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/acpi.c      |   40 ++++++++++++++++++++++++++++++++++++----
 drivers/cxl/core/port.c |   34 +++++++++++++++++++++++++++-------
 drivers/cxl/cxl.h       |   15 +++++++++++++--
 3 files changed, 76 insertions(+), 13 deletions(-)

diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c
index e2b6cbd04846..8f021241699f 100644
--- a/drivers/cxl/acpi.c
+++ b/drivers/cxl/acpi.c
@@ -84,7 +84,7 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
 	struct cxl_cfmws_context *ctx = arg;
 	struct cxl_port *root_port = ctx->root_port;
 	struct resource *cxl_res = ctx->cxl_res;
-	struct cxl_switch_decoder *cxlsd;
+	struct cxl_root_decoder *cxlrd;
 	struct device *dev = ctx->dev;
 	struct acpi_cedt_cfmws *cfmws;
 	struct cxl_decoder *cxld;
@@ -128,11 +128,11 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg,
 	if (rc)
 		goto err_insert;
 
-	cxlsd = cxl_root_decoder_alloc(root_port, ways);
-	if (IS_ERR(cxld))
+	cxlrd = cxl_root_decoder_alloc(root_port, ways);
+	if (IS_ERR(cxlrd))
 		return 0;
 
-	cxld = &cxlsd->cxld;
+	cxld = &cxlrd->cxlsd.cxld;
 	cxld->flags = cfmws_to_decoder_flags(cfmws->restrictions);
 	cxld->target_type = CXL_DECODER_EXPANDER;
 	cxld->hpa_range = (struct range) {
@@ -409,6 +409,32 @@ static int add_cxl_resources(struct resource *cxl_res)
 	return 0;
 }
 
+static int pair_cxl_resource(struct device *dev, void *data)
+{
+	struct resource *cxl_res = data;
+	struct resource *p;
+
+	if (!is_root_decoder(dev))
+		return 0;
+
+	for (p = cxl_res->child; p; p = p->sibling) {
+		struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev);
+		struct cxl_decoder *cxld = &cxlrd->cxlsd.cxld;
+		struct resource res = {
+			.start = cxld->hpa_range.start,
+			.end = cxld->hpa_range.end,
+			.flags = IORESOURCE_MEM,
+		};
+
+		if (resource_contains(p, &res)) {
+			cxlrd->res = cxl_get_public_resource(p);
+			break;
+		}
+	}
+
+	return 0;
+}
+
 static int cxl_acpi_probe(struct platform_device *pdev)
 {
 	int rc;
@@ -459,6 +485,12 @@ static int cxl_acpi_probe(struct platform_device *pdev)
 	if (rc)
 		return rc;
 
+	/*
+	 * Populate the root decoders with their related iomem resource,
+	 * if present
+	 */
+	device_for_each_child(&root_port->dev, cxl_res, pair_cxl_resource);
+
 	/*
 	 * Root level scanned with host-bridge as dports, now scan host-bridges
 	 * for their role as CXL uports to their CXL-capable PCIe Root Ports.
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 27a2a6b839aa..4953a1c7b245 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -260,6 +260,23 @@ static void cxl_switch_decoder_release(struct device *dev)
 	kfree(cxlsd);
 }
 
+struct cxl_root_decoder *to_cxl_root_decoder(struct device *dev)
+{
+	if (dev_WARN_ONCE(dev, !is_root_decoder(dev),
+			  "not a cxl_root_decoder device\n"))
+		return NULL;
+	return container_of(dev, struct cxl_root_decoder, cxlsd.cxld.dev);
+}
+EXPORT_SYMBOL_NS_GPL(to_cxl_root_decoder, CXL);
+
+static void cxl_root_decoder_release(struct device *dev)
+{
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev);
+
+	__cxl_decoder_release(&cxlrd->cxlsd.cxld);
+	kfree(cxlrd);
+}
+
 static const struct device_type cxl_decoder_endpoint_type = {
 	.name = "cxl_decoder_endpoint",
 	.release = cxl_decoder_release,
@@ -274,7 +291,7 @@ static const struct device_type cxl_decoder_switch_type = {
 
 static const struct device_type cxl_decoder_root_type = {
 	.name = "cxl_decoder_root",
-	.release = cxl_switch_decoder_release,
+	.release = cxl_root_decoder_release,
 	.groups = cxl_decoder_root_attribute_groups,
 };
 
@@ -1271,9 +1288,10 @@ static int cxl_switch_decoder_init(struct cxl_port *port,
  * firmware description of CXL resources into a CXL standard decode
  * topology.
  */
-struct cxl_switch_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
-						  unsigned int nr_targets)
+struct cxl_root_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
+						unsigned int nr_targets)
 {
+	struct cxl_root_decoder *cxlrd;
 	struct cxl_switch_decoder *cxlsd;
 	struct cxl_decoder *cxld;
 	int rc;
@@ -1281,19 +1299,21 @@ struct cxl_switch_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
 	if (!is_cxl_root(port))
 		return ERR_PTR(-EINVAL);
 
-	cxlsd = kzalloc(struct_size(cxlsd, target, nr_targets), GFP_KERNEL);
-	if (!cxlsd)
+	cxlrd = kzalloc(struct_size(cxlrd, cxlsd.target, nr_targets),
+			GFP_KERNEL);
+	if (!cxlrd)
 		return ERR_PTR(-ENOMEM);
 
+	cxlsd = &cxlrd->cxlsd;
 	rc = cxl_switch_decoder_init(port, cxlsd, nr_targets);
 	if (rc) {
-		kfree(cxlsd);
+		kfree(cxlrd);
 		return ERR_PTR(rc);
 	}
 
 	cxld = &cxlsd->cxld;
 	cxld->dev.type = &cxl_decoder_root_type;
-	return cxlsd;
+	return cxlrd;
 }
 EXPORT_SYMBOL_NS_GPL(cxl_root_decoder_alloc, CXL);
 
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 0289c06ec72c..ebdac8e7d181 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -260,6 +260,16 @@ struct cxl_switch_decoder {
 };
 
 
+/**
+ * struct cxl_root_decoder - Static platform CXL address decoder
+ * @res: host / parent resource for region allocations
+ * @cxlsd: base cxl switch decoder
+ */
+struct cxl_root_decoder {
+	struct resource *res;
+	struct cxl_switch_decoder cxlsd;
+};
+
 /**
  * enum cxl_nvdimm_brige_state - state machine for managing bus rescans
  * @CXL_NVB_NEW: Set at bridge create and after cxl_pmem_wq is destroyed
@@ -376,10 +386,11 @@ struct cxl_dport *cxl_find_dport_by_dev(struct cxl_port *port,
 					const struct device *dev);
 
 struct cxl_decoder *to_cxl_decoder(struct device *dev);
+struct cxl_root_decoder *to_cxl_root_decoder(struct device *dev);
 bool is_root_decoder(struct device *dev);
 bool is_endpoint_decoder(struct device *dev);
-struct cxl_switch_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
-						  unsigned int nr_targets);
+struct cxl_root_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
+						unsigned int nr_targets);
 struct cxl_switch_decoder *cxl_switch_decoder_alloc(struct cxl_port *port,
 						    unsigned int nr_targets);
 int cxl_decoder_add(struct cxl_decoder *cxld, int *target_map);

[PATCH v2 05/28] cxl/core: Define a 'struct cxl_endpoint_decoder'

[Dan Williams]

Previously the target routing specifics of switch decoders and platform
CXL window resource tracking of root decoders were factored out of
'struct cxl_decoder'. While switch decoders translate from SPA to
downstream ports, endpoint decoders translate from SPA to DPA.

This patch, 3 of 3, adds a 'struct cxl_endpoint_decoder' that tracks an
endpoint-specific Device Physical Address (DPA) resource. For now this
just defines ->dpa_res, a follow-on patch will handle requesting DPA
resource ranges from a device-DPA resource tree.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/hdm.c       |    9 ++++++---
 drivers/cxl/core/port.c      |   31 +++++++++++++++++++++----------
 drivers/cxl/cxl.h            |   15 ++++++++++++++-
 tools/testing/cxl/test/cxl.c |   10 +++++++---
 4 files changed, 48 insertions(+), 17 deletions(-)

diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index 2f10d42798de..650363d5272f 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -256,12 +256,15 @@ int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm)
 		struct cxl_decoder *cxld;
 
 		if (is_cxl_endpoint(port)) {
-			cxld = cxl_endpoint_decoder_alloc(port);
-			if (IS_ERR(cxld)) {
+			struct cxl_endpoint_decoder *cxled;
+
+			cxled = cxl_endpoint_decoder_alloc(port);
+			if (IS_ERR(cxled)) {
 				dev_warn(&port->dev,
 					 "Failed to allocate the decoder\n");
-				return PTR_ERR(cxld);
+				return PTR_ERR(cxled);
 			}
+			cxld = &cxled->cxld;
 		} else {
 			struct cxl_switch_decoder *cxlsd;
 
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 4953a1c7b245..ca4f23204e5c 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -244,12 +244,12 @@ static void __cxl_decoder_release(struct cxl_decoder *cxld)
 	put_device(&port->dev);
 }
 
-static void cxl_decoder_release(struct device *dev)
+static void cxl_endpoint_decoder_release(struct device *dev)
 {
-	struct cxl_decoder *cxld = to_cxl_decoder(dev);
+	struct cxl_endpoint_decoder *cxled = to_cxl_endpoint_decoder(dev);
 
-	__cxl_decoder_release(cxld);
-	kfree(cxld);
+	__cxl_decoder_release(&cxled->cxld);
+	kfree(cxled);
 }
 
 static void cxl_switch_decoder_release(struct device *dev)
@@ -279,7 +279,7 @@ static void cxl_root_decoder_release(struct device *dev)
 
 static const struct device_type cxl_decoder_endpoint_type = {
 	.name = "cxl_decoder_endpoint",
-	.release = cxl_decoder_release,
+	.release = cxl_endpoint_decoder_release,
 	.groups = cxl_decoder_endpoint_attribute_groups,
 };
 
@@ -321,6 +321,15 @@ struct cxl_decoder *to_cxl_decoder(struct device *dev)
 }
 EXPORT_SYMBOL_NS_GPL(to_cxl_decoder, CXL);
 
+struct cxl_endpoint_decoder *to_cxl_endpoint_decoder(struct device *dev)
+{
+	if (dev_WARN_ONCE(dev, !is_endpoint_decoder(dev),
+			  "not a cxl_endpoint_decoder device\n"))
+		return NULL;
+	return container_of(dev, struct cxl_endpoint_decoder, cxld.dev);
+}
+EXPORT_SYMBOL_NS_GPL(to_cxl_endpoint_decoder, CXL);
+
 static struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev)
 {
 	if (dev_WARN_ONCE(dev, !is_switch_decoder(dev),
@@ -1360,26 +1369,28 @@ EXPORT_SYMBOL_NS_GPL(cxl_switch_decoder_alloc, CXL);
  *
  * Return: A new cxl decoder to be registered by cxl_decoder_add()
  */
-struct cxl_decoder *cxl_endpoint_decoder_alloc(struct cxl_port *port)
+struct cxl_endpoint_decoder *cxl_endpoint_decoder_alloc(struct cxl_port *port)
 {
+	struct cxl_endpoint_decoder *cxled;
 	struct cxl_decoder *cxld;
 	int rc;
 
 	if (!is_cxl_endpoint(port))
 		return ERR_PTR(-EINVAL);
 
-	cxld = kzalloc(sizeof(*cxld), GFP_KERNEL);
-	if (!cxld)
+	cxled = kzalloc(sizeof(*cxled), GFP_KERNEL);
+	if (!cxled)
 		return ERR_PTR(-ENOMEM);
 
+	cxld = &cxled->cxld;
 	rc = cxl_decoder_init(port, cxld);
 	if (rc)	 {
-		kfree(cxld);
+		kfree(cxled);
 		return ERR_PTR(rc);
 	}
 
 	cxld->dev.type = &cxl_decoder_endpoint_type;
-	return cxld;
+	return cxled;
 }
 EXPORT_SYMBOL_NS_GPL(cxl_endpoint_decoder_alloc, CXL);
 
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index ebdac8e7d181..7e1460d89296 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -239,6 +239,18 @@ struct cxl_decoder {
 	unsigned long flags;
 };
 
+/**
+ * struct cxl_endpoint_decoder - Endpoint  / SPA to DPA decoder
+ * @cxld: base cxl_decoder_object
+ * @dpa_res: actively claimed DPA span of this decoder
+ * @skip: offset into @dpa_res where @cxld.hpa_range maps
+ */
+struct cxl_endpoint_decoder {
+	struct cxl_decoder cxld;
+	struct resource *dpa_res;
+	resource_size_t skip;
+};
+
 /**
  * struct cxl_switch_decoder - Switch specific CXL HDM Decoder
  * @cxld: base cxl_decoder object
@@ -387,6 +399,7 @@ struct cxl_dport *cxl_find_dport_by_dev(struct cxl_port *port,
 
 struct cxl_decoder *to_cxl_decoder(struct device *dev);
 struct cxl_root_decoder *to_cxl_root_decoder(struct device *dev);
+struct cxl_endpoint_decoder *to_cxl_endpoint_decoder(struct device *dev);
 bool is_root_decoder(struct device *dev);
 bool is_endpoint_decoder(struct device *dev);
 struct cxl_root_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
@@ -394,7 +407,7 @@ struct cxl_root_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
 struct cxl_switch_decoder *cxl_switch_decoder_alloc(struct cxl_port *port,
 						    unsigned int nr_targets);
 int cxl_decoder_add(struct cxl_decoder *cxld, int *target_map);
-struct cxl_decoder *cxl_endpoint_decoder_alloc(struct cxl_port *port);
+struct cxl_endpoint_decoder *cxl_endpoint_decoder_alloc(struct cxl_port *port);
 int cxl_decoder_add_locked(struct cxl_decoder *cxld, int *target_map);
 int cxl_decoder_autoremove(struct device *host, struct cxl_decoder *cxld);
 int cxl_endpoint_autoremove(struct cxl_memdev *cxlmd, struct cxl_port *endpoint);
diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c
index 7991ddc6e562..4dad0fa7ac4c 100644
--- a/tools/testing/cxl/test/cxl.c
+++ b/tools/testing/cxl/test/cxl.c
@@ -462,12 +462,16 @@ static int mock_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm)
 			}
 			cxld = &cxlsd->cxld;
 		} else {
-			cxld = cxl_endpoint_decoder_alloc(port);
-			if (IS_ERR(cxld)) {
+			struct cxl_endpoint_decoder *cxled;
+
+			cxled = cxl_endpoint_decoder_alloc(port);
+
+			if (IS_ERR(cxled)) {
 				dev_warn(&port->dev,
 					 "Failed to allocate the decoder\n");
-				return PTR_ERR(cxld);
+				return PTR_ERR(cxled);
 			}
+			cxld = &cxled->cxld;
 		}
 
 		cxld->hpa_range = (struct range) {

[PATCH v2 06/28] cxl/hdm: Enumerate allocated DPA

[Dan Williams]

In preparation for provisioning CXL regions, add accounting for the DPA
space consumed by existing regions / decoders. Recall, a CXL region is a
memory range comprised from one or more endpoint devices contributing a
mapping of their DPA into HPA space through a decoder.

Record the DPA ranges covered by committed decoders at initial probe of
endpoint ports relative to a per-device resource tree of the DPA type
(pmem or volatile-ram).

The cxl_dpa_rwsem semaphore is introduced to globally synchronize DPA
state across all endpoints and their decoders at once. The vast majority
of DPA operations are reads as region creation is expected to be as rare
as disk partitioning and volume creation. The device_lock() for this
synchronization is specifically avoided for concern of entangling with
sysfs attribute removal.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/hdm.c |  143 ++++++++++++++++++++++++++++++++++++++++++++----
 drivers/cxl/cxl.h      |    2 +
 drivers/cxl/cxlmem.h   |   13 ++++
 3 files changed, 147 insertions(+), 11 deletions(-)

diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index 650363d5272f..d4c17325001b 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -153,10 +153,105 @@ void cxl_dpa_debug(struct seq_file *file, struct cxl_dev_state *cxlds)
 }
 EXPORT_SYMBOL_NS_GPL(cxl_dpa_debug, CXL);
 
+/*
+ * Must be called in a context that synchronizes against this decoder's
+ * port ->remove() callback (like an endpoint decoder sysfs attribute)
+ */
+static void __cxl_dpa_release(struct cxl_endpoint_decoder *cxled)
+{
+	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	struct cxl_dev_state *cxlds = cxlmd->cxlds;
+	struct resource *res = cxled->dpa_res;
+
+	lockdep_assert_held_write(&cxl_dpa_rwsem);
+
+	if (cxled->skip)
+		__release_region(&cxlds->dpa_res, res->start - cxled->skip,
+				 cxled->skip);
+	cxled->skip = 0;
+	__release_region(&cxlds->dpa_res, res->start, resource_size(res));
+	cxled->dpa_res = NULL;
+}
+
+static void cxl_dpa_release(void *cxled)
+{
+	down_write(&cxl_dpa_rwsem);
+	__cxl_dpa_release(cxled);
+	up_write(&cxl_dpa_rwsem);
+}
+
+static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
+			     resource_size_t base, resource_size_t len,
+			     resource_size_t skipped)
+{
+	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	struct cxl_port *port = cxled_to_port(cxled);
+	struct cxl_dev_state *cxlds = cxlmd->cxlds;
+	struct device *dev = &port->dev;
+	struct resource *res;
+
+	lockdep_assert_held_write(&cxl_dpa_rwsem);
+
+	if (!len)
+		return 0;
+
+	if (cxled->dpa_res) {
+		dev_dbg(dev, "decoder%d.%d: existing allocation %pr assigned\n",
+			port->id, cxled->cxld.id, cxled->dpa_res);
+		return -EBUSY;
+	}
+
+	if (skipped) {
+		res = __request_region(&cxlds->dpa_res, base - skipped, skipped,
+				       dev_name(&cxled->cxld.dev), 0);
+		if (!res) {
+			dev_dbg(dev,
+				"decoder%d.%d: failed to reserve skipped space\n",
+				port->id, cxled->cxld.id);
+			return -EBUSY;
+		}
+	}
+	res = __request_region(&cxlds->dpa_res, base, len,
+			       dev_name(&cxled->cxld.dev), 0);
+	if (!res) {
+		dev_dbg(dev, "decoder%d.%d: failed to reserve allocation\n",
+			port->id, cxled->cxld.id);
+		if (skipped)
+			__release_region(&cxlds->dpa_res, base - skipped,
+					 skipped);
+		return -EBUSY;
+	}
+	cxled->dpa_res = res;
+	cxled->skip = skipped;
+
+	return 0;
+}
+
+static int devm_cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
+				resource_size_t base, resource_size_t len,
+				resource_size_t skipped)
+{
+	struct cxl_port *port = cxled_to_port(cxled);
+	int rc;
+
+	down_write(&cxl_dpa_rwsem);
+	rc = __cxl_dpa_reserve(cxled, base, len, skipped);
+	up_write(&cxl_dpa_rwsem);
+
+	if (rc)
+		return rc;
+
+	return devm_add_action_or_reset(&port->dev, cxl_dpa_release, cxled);
+}
+
 static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
-			    int *target_map, void __iomem *hdm, int which)
+			    int *target_map, void __iomem *hdm, int which,
+			    u64 *dpa_base)
 {
-	u64 size, base;
+	struct cxl_endpoint_decoder *cxled = NULL;
+	u64 size, base, skip, dpa_size;
+	bool committed;
+	u32 remainder;
 	int i, rc;
 	u32 ctrl;
 	union {
@@ -164,11 +259,15 @@ static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 		unsigned char target_id[8];
 	} target_list;
 
+	if (is_endpoint_decoder(&cxld->dev))
+		cxled = to_cxl_endpoint_decoder(&cxld->dev);
+
 	ctrl = readl(hdm + CXL_HDM_DECODER0_CTRL_OFFSET(which));
 	base = ioread64_hi_lo(hdm + CXL_HDM_DECODER0_BASE_LOW_OFFSET(which));
 	size = ioread64_hi_lo(hdm + CXL_HDM_DECODER0_SIZE_LOW_OFFSET(which));
+	committed = !!(ctrl & CXL_HDM_DECODER0_CTRL_COMMITTED);
 
-	if (!(ctrl & CXL_HDM_DECODER0_CTRL_COMMITTED))
+	if (!committed)
 		size = 0;
 	if (base == U64_MAX || size == U64_MAX) {
 		dev_warn(&port->dev, "decoder%d.%d: Invalid resource range\n",
@@ -181,8 +280,8 @@ static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 		.end = base + size - 1,
 	};
 
-	/* switch decoders are always enabled if committed */
-	if (ctrl & CXL_HDM_DECODER0_CTRL_COMMITTED) {
+	/* decoders are enabled if committed */
+	if (committed) {
 		cxld->flags |= CXL_DECODER_F_ENABLE;
 		if (ctrl & CXL_HDM_DECODER0_CTRL_LOCK)
 			cxld->flags |= CXL_DECODER_F_LOCK;
@@ -211,14 +310,35 @@ static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 	if (rc)
 		return rc;
 
-	if (is_endpoint_decoder(&cxld->dev))
+	if (!cxled) {
+		target_list.value =
+			ioread64_hi_lo(hdm + CXL_HDM_DECODER0_TL_LOW(which));
+		for (i = 0; i < cxld->interleave_ways; i++)
+			target_map[i] = target_list.target_id[i];
+
 		return 0;
+	}
 
-	target_list.value =
-		ioread64_hi_lo(hdm + CXL_HDM_DECODER0_TL_LOW(which));
-	for (i = 0; i < cxld->interleave_ways; i++)
-		target_map[i] = target_list.target_id[i];
+	if (!committed)
+		return 0;
 
+	dpa_size = div_u64_rem(size, cxld->interleave_ways, &remainder);
+	if (remainder) {
+		dev_err(&port->dev,
+			"decoder%d.%d: invalid committed configuration size: %#llx ways: %d\n",
+			port->id, cxld->id, size, cxld->interleave_ways);
+		return -ENXIO;
+	}
+	skip = ioread64_hi_lo(hdm + CXL_HDM_DECODER0_SKIP_LOW(which));
+	rc = devm_cxl_dpa_reserve(cxled, *dpa_base + skip, dpa_size, skip);
+	if (rc) {
+		dev_err(&port->dev,
+			"decoder%d.%d: Failed to reserve DPA range %#llx - %#llx\n (%d)",
+			port->id, cxld->id, *dpa_base,
+			*dpa_base + dpa_size + skip - 1, rc);
+		return rc;
+	}
+	*dpa_base += dpa_size + skip;
 	return 0;
 }
 
@@ -231,6 +351,7 @@ int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm)
 	void __iomem *hdm = cxlhdm->regs.hdm_decoder;
 	struct cxl_port *port = cxlhdm->port;
 	int i, committed;
+	u64 dpa_base = 0;
 	u32 ctrl;
 
 	/*
@@ -277,7 +398,7 @@ int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm)
 			cxld = &cxlsd->cxld;
 		}
 
-		rc = init_hdm_decoder(port, cxld, target_map, hdm, i);
+		rc = init_hdm_decoder(port, cxld, target_map, hdm, i, &dpa_base);
 		if (rc) {
 			put_device(&cxld->dev);
 			return rc;
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 7e1460d89296..d5e4cfac35ea 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -56,6 +56,8 @@
 #define   CXL_HDM_DECODER0_CTRL_TYPE BIT(12)
 #define CXL_HDM_DECODER0_TL_LOW(i) (0x20 * (i) + 0x24)
 #define CXL_HDM_DECODER0_TL_HIGH(i) (0x20 * (i) + 0x28)
+#define CXL_HDM_DECODER0_SKIP_LOW(i) CXL_HDM_DECODER0_TL_LOW(i)
+#define CXL_HDM_DECODER0_SKIP_HIGH(i) CXL_HDM_DECODER0_TL_HIGH(i)
 
 static inline int cxl_hdm_decoder_count(u32 cap_hdr)
 {
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index c6d6f57856cc..eee96016c3c7 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h
@@ -50,6 +50,19 @@ static inline struct cxl_memdev *to_cxl_memdev(struct device *dev)
 	return container_of(dev, struct cxl_memdev, dev);
 }
 
+static inline struct cxl_port *cxled_to_port(struct cxl_endpoint_decoder *cxled)
+{
+	return to_cxl_port(cxled->cxld.dev.parent);
+}
+
+static inline struct cxl_memdev *
+cxled_to_memdev(struct cxl_endpoint_decoder *cxled)
+{
+	struct cxl_port *port = to_cxl_port(cxled->cxld.dev.parent);
+
+	return to_cxl_memdev(port->uport);
+}
+
 bool is_cxl_memdev(struct device *dev);
 static inline bool is_cxl_endpoint(struct cxl_port *port)
 {

[PATCH v2 07/28] cxl/hdm: Add 'mode' attribute to decoder objects

[Dan Williams]

Recall that the Device Physical Address (DPA) space of a CXL Memory
Expander is potentially partitioned into a volatile and persistent
portion. A decoder maps a Host Physical Address (HPA) range to a DPA
range and that translation depends on the value of all previous (lower
instance number) decoders before the current one.

In preparation for allowing dynamic provisioning of regions, decoders
need an ABI to indicate which DPA partition a decoder targets. This ABI
needs to be prepared for the possibility that some other agent committed
and locked a decoder that spans the partition boundary.

Add 'decoderX.Y/mode' to endpoint decoders that indicates which
partition 'ram' / 'pmem' the decoder targets, or 'mixed' if the decoder
currently spans the partition boundary.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/165603881967.551046.6007594190951596439.stgit@dwillia2-xfh
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   16 ++++++++++++++++
 drivers/cxl/core/hdm.c                  |   10 ++++++++++
 drivers/cxl/core/port.c                 |   20 ++++++++++++++++++++
 drivers/cxl/cxl.h                       |    9 +++++++++
 4 files changed, 55 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 16d9ffa94bbd..b8ef8aedaf39 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -179,3 +179,19 @@ Description:
 		expander memory (type-3). The 'target_type' attribute indicates
 		the current setting which may dynamically change based on what
 		memory regions are activated in this decode hierarchy.
+
+
+What:		/sys/bus/cxl/devices/decoderX.Y/mode
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RO) When a CXL decoder is of devtype "cxl_decoder_endpoint" it
+		translates from a host physical address range, to a device local
+		address range. Device-local address ranges are further split
+		into a 'ram' (volatile memory) range and 'pmem' (persistent
+		memory) range. The 'mode' attribute emits one of 'ram', 'pmem',
+		'mixed', or 'none'. The 'mixed' indication is for error cases
+		when a decoder straddles the volatile/persistent partition
+		boundary, and 'none' indicates the decoder is not actively
+		decoding, or no DPA allocation policy has been set.
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index d4c17325001b..acd46b0d69c6 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -224,6 +224,16 @@ static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
 	cxled->dpa_res = res;
 	cxled->skip = skipped;
 
+	if (resource_contains(&cxlds->pmem_res, res))
+		cxled->mode = CXL_DECODER_PMEM;
+	else if (resource_contains(&cxlds->ram_res, res))
+		cxled->mode = CXL_DECODER_RAM;
+	else {
+		dev_dbg(dev, "decoder%d.%d: %pr mixed\n", port->id,
+			cxled->cxld.id, cxled->dpa_res);
+		cxled->mode = CXL_DECODER_MIXED;
+	}
+
 	return 0;
 }
 
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index ca4f23204e5c..0ac5dcd612e0 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -172,6 +172,25 @@ static ssize_t target_list_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(target_list);
 
+static ssize_t mode_show(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct cxl_endpoint_decoder *cxled = to_cxl_endpoint_decoder(dev);
+
+	switch (cxled->mode) {
+	case CXL_DECODER_RAM:
+		return sysfs_emit(buf, "ram\n");
+	case CXL_DECODER_PMEM:
+		return sysfs_emit(buf, "pmem\n");
+	case CXL_DECODER_NONE:
+		return sysfs_emit(buf, "none\n");
+	case CXL_DECODER_MIXED:
+	default:
+		return sysfs_emit(buf, "mixed\n");
+	}
+}
+static DEVICE_ATTR_RO(mode);
+
 static struct attribute *cxl_decoder_base_attrs[] = {
 	&dev_attr_start.attr,
 	&dev_attr_size.attr,
@@ -222,6 +241,7 @@ static const struct attribute_group *cxl_decoder_switch_attribute_groups[] = {
 
 static struct attribute *cxl_decoder_endpoint_attrs[] = {
 	&dev_attr_target_type.attr,
+	&dev_attr_mode.attr,
 	NULL,
 };
 
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index d5e4cfac35ea..3e7363dde80f 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -241,16 +241,25 @@ struct cxl_decoder {
 	unsigned long flags;
 };
 
+enum cxl_decoder_mode {
+	CXL_DECODER_NONE,
+	CXL_DECODER_RAM,
+	CXL_DECODER_PMEM,
+	CXL_DECODER_MIXED,
+};
+
 /**
  * struct cxl_endpoint_decoder - Endpoint  / SPA to DPA decoder
  * @cxld: base cxl_decoder_object
  * @dpa_res: actively claimed DPA span of this decoder
  * @skip: offset into @dpa_res where @cxld.hpa_range maps
+ * @mode: which memory type / access-mode-partition this decoder targets
  */
 struct cxl_endpoint_decoder {
 	struct cxl_decoder cxld;
 	struct resource *dpa_res;
 	resource_size_t skip;
+	enum cxl_decoder_mode mode;
 };
 
 /**

[PATCH v2 08/28] cxl/hdm: Track next decoder to allocate

[Dan Williams]

The CXL specification enforces that endpoint decoders are committed in
hw instance id order. In preparation for adding dynamic DPA allocation,
record the hw instance id in endpoint decoders, and enforce allocations
to occur in hw instance id order.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/hdm.c  |   15 +++++++++++++++
 drivers/cxl/core/port.c |    1 +
 drivers/cxl/cxl.h       |    2 ++
 3 files changed, 18 insertions(+)

diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index acd46b0d69c6..582f48141767 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -160,6 +160,7 @@ EXPORT_SYMBOL_NS_GPL(cxl_dpa_debug, CXL);
 static void __cxl_dpa_release(struct cxl_endpoint_decoder *cxled)
 {
 	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	struct cxl_port *port = cxled_to_port(cxled);
 	struct cxl_dev_state *cxlds = cxlmd->cxlds;
 	struct resource *res = cxled->dpa_res;
 
@@ -171,6 +172,7 @@ static void __cxl_dpa_release(struct cxl_endpoint_decoder *cxled)
 	cxled->skip = 0;
 	__release_region(&cxlds->dpa_res, res->start, resource_size(res));
 	cxled->dpa_res = NULL;
+	port->hdm_end--;
 }
 
 static void cxl_dpa_release(void *cxled)
@@ -201,6 +203,18 @@ static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
 		return -EBUSY;
 	}
 
+	if (port->hdm_end + 1 != cxled->cxld.id) {
+		/*
+		 * Assumes alloc and commit order is always in hardware instance
+		 * order per expectations from 8.2.5.12.20 Committing Decoder
+		 * Programming that enforce decoder[m] committed before
+		 * decoder[m+1] commit start.
+		 */
+		dev_dbg(dev, "decoder%d.%d: expected decoder%d.%d\n", port->id,
+			cxled->cxld.id, port->id, port->hdm_end + 1);
+		return -EBUSY;
+	}
+
 	if (skipped) {
 		res = __request_region(&cxlds->dpa_res, base - skipped, skipped,
 				       dev_name(&cxled->cxld.dev), 0);
@@ -233,6 +247,7 @@ static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
 			cxled->cxld.id, cxled->dpa_res);
 		cxled->mode = CXL_DECODER_MIXED;
 	}
+	port->hdm_end++;
 
 	return 0;
 }
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 0ac5dcd612e0..109611318760 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -502,6 +502,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
 
 	port->component_reg_phys = component_reg_phys;
 	ida_init(&port->decoder_ida);
+	port->hdm_end = -1;
 	INIT_LIST_HEAD(&port->dports);
 	INIT_LIST_HEAD(&port->endpoints);
 
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 3e7363dde80f..70cd24e4f3ce 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -333,6 +333,7 @@ struct cxl_nvdimm {
  * @dports: cxl_dport instances referenced by decoders
  * @endpoints: cxl_ep instances, endpoints that are a descendant of this port
  * @decoder_ida: allocator for decoder ids
+ * @hdm_end: track last allocated HDM decoder instance for allocation ordering
  * @component_reg_phys: component register capability base address (optional)
  * @dead: last ep has been removed, force port re-creation
  * @depth: How deep this port is relative to the root. depth 0 is the root.
@@ -345,6 +346,7 @@ struct cxl_port {
 	struct list_head dports;
 	struct list_head endpoints;
 	struct ida decoder_ida;
+	int hdm_end;
 	resource_size_t component_reg_phys;
 	bool dead;
 	unsigned int depth;

[PATCH v2 09/28] cxl/hdm: Add support for allocating DPA to an endpoint decoder

[Dan Williams]

The region provisioning flow will roughly follow a sequence of:

1/ Allocate DPA to a set of decoders

2/ Allocate HPA to a region

3/ Associate decoders with a region and validate that the DPA allocations
   and topologies match the parameters of the region.

For now, this change (step 1) arranges for DPA capacity to be allocated
and deleted from non-committed decoders based on the decoder's mode /
partition selection. Capacity is allocated from the lowest DPA in the
partition and any 'pmem' allocation blocks out all remaining ram
capacity in its 'skip' setting. DPA allocations are enforced in decoder
instance order. I.e. decoder N + 1 always starts at a higher DPA than
instance N, and deleting allocations must proceed from the
highest-instance allocated decoder to the lowest.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   37 ++++++
 drivers/cxl/core/core.h                 |    7 +
 drivers/cxl/core/hdm.c                  |  180 +++++++++++++++++++++++++++++++
 drivers/cxl/core/port.c                 |   73 ++++++++++++-
 4 files changed, 295 insertions(+), 2 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index b8ef8aedaf39..9b6cc7cdc73b 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -186,7 +186,7 @@ Date:		May, 2022
 KernelVersion:	v5.20
 Contact:	linux-cxl@vger.kernel.org
 Description:
-		(RO) When a CXL decoder is of devtype "cxl_decoder_endpoint" it
+		(RW) When a CXL decoder is of devtype "cxl_decoder_endpoint" it
 		translates from a host physical address range, to a device local
 		address range. Device-local address ranges are further split
 		into a 'ram' (volatile memory) range and 'pmem' (persistent
@@ -195,3 +195,38 @@ Description:
 		when a decoder straddles the volatile/persistent partition
 		boundary, and 'none' indicates the decoder is not actively
 		decoding, or no DPA allocation policy has been set.
+
+		'mode' can be written, when the decoder is in the 'disabled'
+		state, with either 'ram' or 'pmem' to set the boundaries for the
+		next allocation.
+
+
+What:		/sys/bus/cxl/devices/decoderX.Y/dpa_resource
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RO) When a CXL decoder is of devtype "cxl_decoder_endpoint",
+		and its 'dpa_size' attribute is non-zero, this attribute
+		indicates the device physical address (DPA) base address of the
+		allocation.
+
+
+What:		/sys/bus/cxl/devices/decoderX.Y/dpa_size
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RW) When a CXL decoder is of devtype "cxl_decoder_endpoint" it
+		translates from a host physical address range, to a device local
+		address range. The range, base address plus length in bytes, of
+		DPA allocated to this decoder is conveyed in these 2 attributes.
+		Allocations can be mutated as long as the decoder is in the
+		disabled state. A write to 'dpa_size' releases the previous DPA
+		allocation and then attempts to allocate from the free capacity
+		in the device partition referred to by 'decoderX.Y/mode'.
+		Allocate and free requests can only be performed on the highest
+		instance number disabled decoder with non-zero size. I.e.
+		allocations are enforced to occur in increasing 'decoderX.Y/id'
+		order and frees are enforced to occur in decreasing
+		'decoderX.Y/id' order.
diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index a0808cdaffba..5551b82b2da0 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -18,6 +18,13 @@ void __iomem *devm_cxl_iomap_block(struct device *dev, resource_size_t addr,
 				   resource_size_t length);
 
 struct dentry *cxl_debugfs_create_dir(const char *dir);
+int cxl_dpa_set_mode(struct cxl_endpoint_decoder *cxled,
+		     enum cxl_decoder_mode mode);
+int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size);
+int cxl_dpa_free(struct cxl_endpoint_decoder *cxled);
+resource_size_t cxl_dpa_size(struct cxl_endpoint_decoder *cxled);
+resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled);
+
 int cxl_memdev_init(void);
 void cxl_memdev_exit(void);
 void cxl_mbox_init(void);
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index 582f48141767..596b57fb60df 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -182,6 +182,19 @@ static void cxl_dpa_release(void *cxled)
 	up_write(&cxl_dpa_rwsem);
 }
 
+/*
+ * Must be called from context that will not race port device
+ * unregistration, like decoder sysfs attribute methods
+ */
+static void devm_cxl_dpa_release(struct cxl_endpoint_decoder *cxled)
+{
+	struct cxl_port *port = cxled_to_port(cxled);
+
+	lockdep_assert_held_write(&cxl_dpa_rwsem);
+	devm_remove_action(&port->dev, cxl_dpa_release, cxled);
+	__cxl_dpa_release(cxled);
+}
+
 static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
 			     resource_size_t base, resource_size_t len,
 			     resource_size_t skipped)
@@ -269,6 +282,173 @@ static int devm_cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
 	return devm_add_action_or_reset(&port->dev, cxl_dpa_release, cxled);
 }
 
+resource_size_t cxl_dpa_size(struct cxl_endpoint_decoder *cxled)
+{
+	resource_size_t size = 0;
+
+	down_read(&cxl_dpa_rwsem);
+	if (cxled->dpa_res)
+		size = resource_size(cxled->dpa_res);
+	up_read(&cxl_dpa_rwsem);
+
+	return size;
+}
+
+resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled)
+{
+	resource_size_t base = -1;
+
+	down_read(&cxl_dpa_rwsem);
+	if (cxled->dpa_res)
+		base = cxled->dpa_res->start;
+	up_read(&cxl_dpa_rwsem);
+
+	return base;
+}
+
+int cxl_dpa_free(struct cxl_endpoint_decoder *cxled)
+{
+	struct cxl_port *port = cxled_to_port(cxled);
+	struct device *dev = &cxled->cxld.dev;
+	int rc;
+
+	down_write(&cxl_dpa_rwsem);
+	if (!cxled->dpa_res) {
+		rc = 0;
+		goto out;
+	}
+	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
+		dev_dbg(dev, "decoder enabled\n");
+		rc = -EBUSY;
+		goto out;
+	}
+	if (cxled->cxld.id != port->hdm_end) {
+		dev_dbg(dev, "expected decoder%d.%d\n", port->id,
+			port->hdm_end);
+		rc = -EBUSY;
+		goto out;
+	}
+	devm_cxl_dpa_release(cxled);
+	rc = 0;
+out:
+	up_write(&cxl_dpa_rwsem);
+	return rc;
+}
+
+int cxl_dpa_set_mode(struct cxl_endpoint_decoder *cxled,
+		     enum cxl_decoder_mode mode)
+{
+	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	struct cxl_dev_state *cxlds = cxlmd->cxlds;
+	struct device *dev = &cxled->cxld.dev;
+	int rc;
+
+	switch (mode) {
+	case CXL_DECODER_RAM:
+	case CXL_DECODER_PMEM:
+		break;
+	default:
+		dev_dbg(dev, "unsupported mode: %d\n", mode);
+		return -EINVAL;
+	}
+
+	down_write(&cxl_dpa_rwsem);
+	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
+		rc = -EBUSY;
+		goto out;
+	}
+
+	/*
+	 * Only allow modes that are supported by the current partition
+	 * configuration
+	 */
+	if (mode == CXL_DECODER_PMEM && !resource_size(&cxlds->pmem_res)) {
+		dev_dbg(dev, "no available pmem capacity\n");
+		rc = -ENXIO;
+		goto out;
+	}
+	if (mode == CXL_DECODER_RAM && !resource_size(&cxlds->ram_res)) {
+		dev_dbg(dev, "no available ram capacity\n");
+		rc = -ENXIO;
+		goto out;
+	}
+
+	cxled->mode = mode;
+	rc = 0;
+out:
+	up_write(&cxl_dpa_rwsem);
+
+	return rc;
+}
+
+int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size)
+{
+	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	resource_size_t free_ram_start, free_pmem_start;
+	struct cxl_port *port = cxled_to_port(cxled);
+	struct cxl_dev_state *cxlds = cxlmd->cxlds;
+	struct device *dev = &cxled->cxld.dev;
+	resource_size_t start, avail, skip;
+	struct resource *p, *last;
+	int rc;
+
+	down_write(&cxl_dpa_rwsem);
+	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
+		dev_dbg(dev, "decoder enabled\n");
+		rc = -EBUSY;
+		goto out;
+	}
+
+	for (p = cxlds->ram_res.child, last = NULL; p; p = p->sibling)
+		last = p;
+	if (last)
+		free_ram_start = last->end + 1;
+	else
+		free_ram_start = cxlds->ram_res.start;
+
+	for (p = cxlds->pmem_res.child, last = NULL; p; p = p->sibling)
+		last = p;
+	if (last)
+		free_pmem_start = last->end + 1;
+	else
+		free_pmem_start = cxlds->pmem_res.start;
+
+	if (cxled->mode == CXL_DECODER_RAM) {
+		start = free_ram_start;
+		avail = cxlds->ram_res.end - start + 1;
+		skip = 0;
+	} else if (cxled->mode == CXL_DECODER_PMEM) {
+		resource_size_t skip_start, skip_end;
+
+		start = free_pmem_start;
+		avail = cxlds->pmem_res.end - start + 1;
+		skip_start = free_ram_start;
+		skip_end = start - 1;
+		skip = skip_end - skip_start + 1;
+	} else {
+		dev_dbg(dev, "mode not set\n");
+		rc = -EINVAL;
+		goto out;
+	}
+
+	if (size > avail) {
+		dev_dbg(dev, "%pa exceeds available %s capacity: %pa\n", &size,
+			cxled->mode == CXL_DECODER_RAM ? "ram" : "pmem",
+			&avail);
+		rc = -ENOSPC;
+		goto out;
+	}
+
+	rc = __cxl_dpa_reserve(cxled, start, size, skip);
+out:
+	up_write(&cxl_dpa_rwsem);
+
+	if (rc)
+		return rc;
+
+	return devm_add_action_or_reset(&port->dev, cxl_dpa_release, cxled);
+}
+
 static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 			    int *target_map, void __iomem *hdm, int which,
 			    u64 *dpa_base)
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 109611318760..fdc1be7db917 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -189,7 +189,76 @@ static ssize_t mode_show(struct device *dev, struct device_attribute *attr,
 		return sysfs_emit(buf, "mixed\n");
 	}
 }
-static DEVICE_ATTR_RO(mode);
+
+static ssize_t mode_store(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t len)
+{
+	struct cxl_endpoint_decoder *cxled = to_cxl_endpoint_decoder(dev);
+	enum cxl_decoder_mode mode;
+	ssize_t rc;
+
+	if (sysfs_streq(buf, "pmem"))
+		mode = CXL_DECODER_PMEM;
+	else if (sysfs_streq(buf, "ram"))
+		mode = CXL_DECODER_RAM;
+	else
+		return -EINVAL;
+
+	rc = cxl_dpa_set_mode(cxled, mode);
+	if (rc)
+		return rc;
+
+	return len;
+}
+static DEVICE_ATTR_RW(mode);
+
+static ssize_t dpa_resource_show(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	struct cxl_endpoint_decoder *cxled = to_cxl_endpoint_decoder(dev);
+	u64 base = cxl_dpa_resource_start(cxled);
+
+	return sysfs_emit(buf, "%#llx\n", base);
+}
+static DEVICE_ATTR_RO(dpa_resource);
+
+static ssize_t dpa_size_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	struct cxl_endpoint_decoder *cxled = to_cxl_endpoint_decoder(dev);
+	resource_size_t size = cxl_dpa_size(cxled);
+
+	return sysfs_emit(buf, "%pa\n", &size);
+}
+
+static ssize_t dpa_size_store(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t len)
+{
+	struct cxl_endpoint_decoder *cxled = to_cxl_endpoint_decoder(dev);
+	unsigned long long size;
+	ssize_t rc;
+
+	rc = kstrtoull(buf, 0, &size);
+	if (rc)
+		return rc;
+
+	if (!IS_ALIGNED(size, SZ_256M))
+		return -EINVAL;
+
+	rc = cxl_dpa_free(cxled);
+	if (rc)
+		return rc;
+
+	if (size == 0)
+		return len;
+
+	rc = cxl_dpa_alloc(cxled, size);
+	if (rc)
+		return rc;
+
+	return len;
+}
+static DEVICE_ATTR_RW(dpa_size);
 
 static struct attribute *cxl_decoder_base_attrs[] = {
 	&dev_attr_start.attr,
@@ -242,6 +311,8 @@ static const struct attribute_group *cxl_decoder_switch_attribute_groups[] = {
 static struct attribute *cxl_decoder_endpoint_attrs[] = {
 	&dev_attr_target_type.attr,
 	&dev_attr_mode.attr,
+	&dev_attr_dpa_size.attr,
+	&dev_attr_dpa_resource.attr,
 	NULL,
 };
 

[PATCH v2 10/28] cxl/port: Record dport in endpoint references

[Dan Williams]

Recall that the primary role of the cxl_mem driver is to probe if the
given endpoint is connected to a CXL port topology. In that process it
walks its device ancestry to its PCI root port. If that root port is
also a CXL root port then the probe process adds cxl_port object
instances at switch in the path between to the root and the endpoint. As
those cxl_port instances are added, or if a previous enumeration
attempt already created the port, a 'struct cxl_ep' instance is
registered with that port to track the endpoints interested in that
port.

At the time the cxl_ep is registered the downstream egress path from the
port to the endpoint is known. Take the opportunity to record that
information as it will be needed for dynamic programming of decoder
targets during region provisioning.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/port.c |   52 ++++++++++++++++++++++++++++++++---------------
 drivers/cxl/cxl.h       |    2 ++
 2 files changed, 37 insertions(+), 17 deletions(-)

diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index fdc1be7db917..a8d350361548 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -882,8 +882,9 @@ static struct cxl_ep *find_ep(struct cxl_port *port, struct device *ep_dev)
 	return NULL;
 }
 
-static int add_ep(struct cxl_port *port, struct cxl_ep *new)
+static int add_ep(struct cxl_ep *new)
 {
+	struct cxl_port *port = new->dport->port;
 	struct cxl_ep *dup;
 
 	device_lock(&port->dev);
@@ -901,14 +902,14 @@ static int add_ep(struct cxl_port *port, struct cxl_ep *new)
 
 /**
  * cxl_add_ep - register an endpoint's interest in a port
- * @port: a port in the endpoint's topology ancestry
+ * @dport: the dport that routes to @ep_dev
  * @ep_dev: device representing the endpoint
  *
  * Intermediate CXL ports are scanned based on the arrival of endpoints.
  * When those endpoints depart the port can be destroyed once all
  * endpoints that care about that port have been removed.
  */
-static int cxl_add_ep(struct cxl_port *port, struct device *ep_dev)
+static int cxl_add_ep(struct cxl_dport *dport, struct device *ep_dev)
 {
 	struct cxl_ep *ep;
 	int rc;
@@ -919,8 +920,9 @@ static int cxl_add_ep(struct cxl_port *port, struct device *ep_dev)
 
 	INIT_LIST_HEAD(&ep->list);
 	ep->ep = get_device(ep_dev);
+	ep->dport = dport;
 
-	rc = add_ep(port, ep);
+	rc = add_ep(ep);
 	if (rc)
 		cxl_ep_release(ep);
 	return rc;
@@ -929,11 +931,13 @@ static int cxl_add_ep(struct cxl_port *port, struct device *ep_dev)
 struct cxl_find_port_ctx {
 	const struct device *dport_dev;
 	const struct cxl_port *parent_port;
+	struct cxl_dport **dport;
 };
 
 static int match_port_by_dport(struct device *dev, const void *data)
 {
 	const struct cxl_find_port_ctx *ctx = data;
+	struct cxl_dport *dport;
 	struct cxl_port *port;
 
 	if (!is_cxl_port(dev))
@@ -942,7 +946,10 @@ static int match_port_by_dport(struct device *dev, const void *data)
 		return 0;
 
 	port = to_cxl_port(dev);
-	return cxl_find_dport_by_dev(port, ctx->dport_dev) != NULL;
+	dport = cxl_find_dport_by_dev(port, ctx->dport_dev);
+	if (ctx->dport)
+		*ctx->dport = dport;
+	return dport != NULL;
 }
 
 static struct cxl_port *__find_cxl_port(struct cxl_find_port_ctx *ctx)
@@ -958,24 +965,32 @@ static struct cxl_port *__find_cxl_port(struct cxl_find_port_ctx *ctx)
 	return NULL;
 }
 
-static struct cxl_port *find_cxl_port(struct device *dport_dev)
+static struct cxl_port *find_cxl_port(struct device *dport_dev,
+				      struct cxl_dport **dport)
 {
 	struct cxl_find_port_ctx ctx = {
 		.dport_dev = dport_dev,
+		.dport = dport,
 	};
+	struct cxl_port *port;
 
-	return __find_cxl_port(&ctx);
+	port = __find_cxl_port(&ctx);
+	return port;
 }
 
 static struct cxl_port *find_cxl_port_at(struct cxl_port *parent_port,
-					 struct device *dport_dev)
+					 struct device *dport_dev,
+					 struct cxl_dport **dport)
 {
 	struct cxl_find_port_ctx ctx = {
 		.dport_dev = dport_dev,
 		.parent_port = parent_port,
+		.dport = dport,
 	};
+	struct cxl_port *port;
 
-	return __find_cxl_port(&ctx);
+	port = __find_cxl_port(&ctx);
+	return port;
 }
 
 /*
@@ -1060,7 +1075,7 @@ static void cxl_detach_ep(void *data)
 		if (!dport_dev)
 			break;
 
-		port = find_cxl_port(dport_dev);
+		port = find_cxl_port(dport_dev, NULL);
 		if (!port)
 			continue;
 
@@ -1135,6 +1150,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
 	struct device *dparent = grandparent(dport_dev);
 	struct cxl_port *port, *parent_port = NULL;
 	resource_size_t component_reg_phys;
+	struct cxl_dport *dport;
 	int rc;
 
 	if (!dparent) {
@@ -1148,7 +1164,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
 		return -ENXIO;
 	}
 
-	parent_port = find_cxl_port(dparent);
+	parent_port = find_cxl_port(dparent, NULL);
 	if (!parent_port) {
 		/* iterate to create this parent_port */
 		return -EAGAIN;
@@ -1163,13 +1179,14 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
 		goto out;
 	}
 
-	port = find_cxl_port_at(parent_port, dport_dev);
+	port = find_cxl_port_at(parent_port, dport_dev, &dport);
 	if (!port) {
 		component_reg_phys = find_component_registers(uport_dev);
 		port = devm_cxl_add_port(&parent_port->dev, uport_dev,
 					 component_reg_phys, parent_port);
+		/* retry find to pick up the new dport information */
 		if (!IS_ERR(port))
-			get_device(&port->dev);
+			port = find_cxl_port_at(parent_port, dport_dev, &dport);
 	}
 out:
 	device_unlock(&parent_port->dev);
@@ -1179,7 +1196,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
 	else {
 		dev_dbg(&cxlmd->dev, "add to new port %s:%s\n",
 			dev_name(&port->dev), dev_name(port->uport));
-		rc = cxl_add_ep(port, &cxlmd->dev);
+		rc = cxl_add_ep(dport, &cxlmd->dev);
 		if (rc == -EEXIST) {
 			/*
 			 * "can't" happen, but this error code means
@@ -1213,6 +1230,7 @@ int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd)
 	for (iter = dev; iter; iter = grandparent(iter)) {
 		struct device *dport_dev = grandparent(iter);
 		struct device *uport_dev;
+		struct cxl_dport *dport;
 		struct cxl_port *port;
 
 		if (!dport_dev)
@@ -1228,12 +1246,12 @@ int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd)
 		dev_dbg(dev, "scan: iter: %s dport_dev: %s parent: %s\n",
 			dev_name(iter), dev_name(dport_dev),
 			dev_name(uport_dev));
-		port = find_cxl_port(dport_dev);
+		port = find_cxl_port(dport_dev, &dport);
 		if (port) {
 			dev_dbg(&cxlmd->dev,
 				"found already registered port %s:%s\n",
 				dev_name(&port->dev), dev_name(port->uport));
-			rc = cxl_add_ep(port, &cxlmd->dev);
+			rc = cxl_add_ep(dport, &cxlmd->dev);
 
 			/*
 			 * If the endpoint already exists in the port's list,
@@ -1274,7 +1292,7 @@ EXPORT_SYMBOL_NS_GPL(devm_cxl_enumerate_ports, CXL);
 
 struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd)
 {
-	return find_cxl_port(grandparent(&cxlmd->dev));
+	return find_cxl_port(grandparent(&cxlmd->dev), NULL);
 }
 EXPORT_SYMBOL_NS_GPL(cxl_mem_find_port, CXL);
 
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 70cd24e4f3ce..31f33844279a 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -371,10 +371,12 @@ struct cxl_dport {
 /**
  * struct cxl_ep - track an endpoint's interest in a port
  * @ep: device that hosts a generic CXL endpoint (expander or accelerator)
+ * @dport: which dport routes to this endpoint on @port
  * @list: node on port->endpoints list
  */
 struct cxl_ep {
 	struct device *ep;
+	struct cxl_dport *dport;
 	struct list_head list;
 };
 

[PATCH v2 11/28] cxl/port: Record parent dport when adding ports

[Dan Williams]

At the time that cxl_port instances are being created, cache the dport
from the parent port that points to this new child port. This will be
useful for region provisioning when walking the tree to calculate
decoder targets, and saves rewalking the dport list after the fact to
build this information.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220624041950.559155-1-dan.j.williams@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/acpi.c      |    3 +--
 drivers/cxl/core/port.c |   27 +++++++++++++++------------
 drivers/cxl/cxl.h       |    7 +++++--
 drivers/cxl/mem.c       |   10 ++++++----
 4 files changed, 27 insertions(+), 20 deletions(-)

diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c
index 8f021241699f..64004eb672d0 100644
--- a/drivers/cxl/acpi.c
+++ b/drivers/cxl/acpi.c
@@ -211,8 +211,7 @@ static int add_host_bridge_uport(struct device *match, void *arg)
 	if (rc)
 		return rc;
 
-	port = devm_cxl_add_port(host, match, dport->component_reg_phys,
-				 root_port);
+	port = devm_cxl_add_port(host, match, dport->component_reg_phys, dport);
 	if (IS_ERR(port))
 		return PTR_ERR(port);
 	dev_dbg(host, "%s: add: %s\n", dev_name(match), dev_name(&port->dev));
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index a8d350361548..6d2846404ab8 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -526,7 +526,7 @@ static struct lock_class_key cxl_port_key;
 
 static struct cxl_port *cxl_port_alloc(struct device *uport,
 				       resource_size_t component_reg_phys,
-				       struct cxl_port *parent_port)
+				       struct cxl_dport *parent_dport)
 {
 	struct cxl_port *port;
 	struct device *dev;
@@ -549,11 +549,13 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
 	 * description.
 	 */
 	dev = &port->dev;
-	if (parent_port) {
+	if (parent_dport) {
+		struct cxl_port *parent_port = parent_dport->port;
 		struct cxl_port *iter;
 
 		dev->parent = &parent_port->dev;
 		port->depth = parent_port->depth + 1;
+		port->parent_dport = parent_dport;
 
 		/*
 		 * walk to the host bridge, or the first ancestor that knows
@@ -595,24 +597,24 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
  * @host: host device for devm operations
  * @uport: "physical" device implementing this upstream port
  * @component_reg_phys: (optional) for configurable cxl_port instances
- * @parent_port: next hop up in the CXL memory decode hierarchy
+ * @parent_dport: next hop up in the CXL memory decode hierarchy
  */
 struct cxl_port *devm_cxl_add_port(struct device *host, struct device *uport,
 				   resource_size_t component_reg_phys,
-				   struct cxl_port *parent_port)
+				   struct cxl_dport *parent_dport)
 {
 	struct cxl_port *port;
 	struct device *dev;
 	int rc;
 
-	port = cxl_port_alloc(uport, component_reg_phys, parent_port);
+	port = cxl_port_alloc(uport, component_reg_phys, parent_dport);
 	if (IS_ERR(port))
 		return port;
 
 	dev = &port->dev;
 	if (is_cxl_memdev(uport))
 		rc = dev_set_name(dev, "endpoint%d", port->id);
-	else if (parent_port)
+	else if (parent_dport)
 		rc = dev_set_name(dev, "port%d", port->id);
 	else
 		rc = dev_set_name(dev, "root%d", port->id);
@@ -1014,7 +1016,7 @@ static void delete_endpoint(void *data)
 	struct cxl_port *parent_port;
 	struct device *parent;
 
-	parent_port = cxl_mem_find_port(cxlmd);
+	parent_port = cxl_mem_find_port(cxlmd, NULL);
 	if (!parent_port)
 		goto out;
 	parent = &parent_port->dev;
@@ -1149,8 +1151,8 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
 {
 	struct device *dparent = grandparent(dport_dev);
 	struct cxl_port *port, *parent_port = NULL;
+	struct cxl_dport *dport, *parent_dport;
 	resource_size_t component_reg_phys;
-	struct cxl_dport *dport;
 	int rc;
 
 	if (!dparent) {
@@ -1164,7 +1166,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
 		return -ENXIO;
 	}
 
-	parent_port = find_cxl_port(dparent, NULL);
+	parent_port = find_cxl_port(dparent, &parent_dport);
 	if (!parent_port) {
 		/* iterate to create this parent_port */
 		return -EAGAIN;
@@ -1183,7 +1185,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
 	if (!port) {
 		component_reg_phys = find_component_registers(uport_dev);
 		port = devm_cxl_add_port(&parent_port->dev, uport_dev,
-					 component_reg_phys, parent_port);
+					 component_reg_phys, parent_dport);
 		/* retry find to pick up the new dport information */
 		if (!IS_ERR(port))
 			port = find_cxl_port_at(parent_port, dport_dev, &dport);
@@ -1290,9 +1292,10 @@ int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd)
 }
 EXPORT_SYMBOL_NS_GPL(devm_cxl_enumerate_ports, CXL);
 
-struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd)
+struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd,
+				   struct cxl_dport **dport)
 {
-	return find_cxl_port(grandparent(&cxlmd->dev), NULL);
+	return find_cxl_port(grandparent(&cxlmd->dev), dport);
 }
 EXPORT_SYMBOL_NS_GPL(cxl_mem_find_port, CXL);
 
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 31f33844279a..973e0efe4bd4 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -332,6 +332,7 @@ struct cxl_nvdimm {
  * @id: id for port device-name
  * @dports: cxl_dport instances referenced by decoders
  * @endpoints: cxl_ep instances, endpoints that are a descendant of this port
+ * @parent_dport: dport that points to this port in the parent
  * @decoder_ida: allocator for decoder ids
  * @hdm_end: track last allocated HDM decoder instance for allocation ordering
  * @component_reg_phys: component register capability base address (optional)
@@ -345,6 +346,7 @@ struct cxl_port {
 	int id;
 	struct list_head dports;
 	struct list_head endpoints;
+	struct cxl_dport *parent_dport;
 	struct ida decoder_ida;
 	int hdm_end;
 	resource_size_t component_reg_phys;
@@ -399,11 +401,12 @@ int devm_cxl_register_pci_bus(struct device *host, struct device *uport,
 struct pci_bus *cxl_port_to_pci_bus(struct cxl_port *port);
 struct cxl_port *devm_cxl_add_port(struct device *host, struct device *uport,
 				   resource_size_t component_reg_phys,
-				   struct cxl_port *parent_port);
+				   struct cxl_dport *parent_dport);
 struct cxl_port *find_cxl_root(struct device *dev);
 int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd);
 int cxl_bus_rescan(void);
-struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd);
+struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd,
+				   struct cxl_dport **dport);
 bool schedule_cxl_memdev_detach(struct cxl_memdev *cxlmd);
 
 struct cxl_dport *devm_cxl_add_dport(struct cxl_port *port,
diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index 7513bea55145..2786d3402c9e 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c
@@ -26,14 +26,15 @@
  */
 
 static int create_endpoint(struct cxl_memdev *cxlmd,
-			   struct cxl_port *parent_port)
+			   struct cxl_dport *parent_dport)
 {
+	struct cxl_port *parent_port = parent_dport->port;
 	struct cxl_dev_state *cxlds = cxlmd->cxlds;
 	struct cxl_port *endpoint;
 	int rc;
 
 	endpoint = devm_cxl_add_port(&parent_port->dev, &cxlmd->dev,
-				     cxlds->component_reg_phys, parent_port);
+				     cxlds->component_reg_phys, parent_dport);
 	if (IS_ERR(endpoint))
 		return PTR_ERR(endpoint);
 
@@ -76,6 +77,7 @@ static int cxl_mem_probe(struct device *dev)
 {
 	struct cxl_memdev *cxlmd = to_cxl_memdev(dev);
 	struct cxl_port *parent_port;
+	struct cxl_dport *dport;
 	struct dentry *dentry;
 	int rc;
 
@@ -100,7 +102,7 @@ static int cxl_mem_probe(struct device *dev)
 	if (rc)
 		return rc;
 
-	parent_port = cxl_mem_find_port(cxlmd);
+	parent_port = cxl_mem_find_port(cxlmd, &dport);
 	if (!parent_port) {
 		dev_err(dev, "CXL port topology not found\n");
 		return -ENXIO;
@@ -114,7 +116,7 @@ static int cxl_mem_probe(struct device *dev)
 		goto unlock;
 	}
 
-	rc = create_endpoint(cxlmd, parent_port);
+	rc = create_endpoint(cxlmd, dport);
 unlock:
 	device_unlock(&parent_port->dev);
 	put_device(&parent_port->dev);

[PATCH v2 12/28] cxl/port: Move 'cxl_ep' references to an xarray per port

[Dan Williams]

In preparation for region provisioning that needs to walk the topology
by endpoints, use an xarray to record endpoint interest in a given port.
In addition to being more space and time efficient it also reduces the
complexity of the implementation by moving locking internal to the
xarray implementation. It also allows for a single cxl_ep reference to
be recorded in multiple xarrays.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220624041950.559155-2-dan.j.williams@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/port.c |   60 +++++++++++++++++++++++------------------------
 drivers/cxl/cxl.h       |    4 +--
 2 files changed, 30 insertions(+), 34 deletions(-)

diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 6d2846404ab8..727d861e21db 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -431,22 +431,27 @@ static struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev)
 
 static void cxl_ep_release(struct cxl_ep *ep)
 {
-	if (!ep)
-		return;
-	list_del(&ep->list);
 	put_device(ep->ep);
 	kfree(ep);
 }
 
+static void cxl_ep_remove(struct cxl_port *port, struct cxl_ep *ep)
+{
+	if (!ep)
+		return;
+	xa_erase(&port->endpoints, (unsigned long) ep->ep);
+	cxl_ep_release(ep);
+}
+
 static void cxl_port_release(struct device *dev)
 {
 	struct cxl_port *port = to_cxl_port(dev);
-	struct cxl_ep *ep, *_e;
+	unsigned long index;
+	struct cxl_ep *ep;
 
-	device_lock(dev);
-	list_for_each_entry_safe(ep, _e, &port->endpoints, list)
-		cxl_ep_release(ep);
-	device_unlock(dev);
+	xa_for_each(&port->endpoints, index, ep)
+		cxl_ep_remove(port, ep);
+	xa_destroy(&port->endpoints);
 	ida_free(&cxl_port_ida, port->id);
 	kfree(port);
 }
@@ -577,7 +582,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
 	ida_init(&port->decoder_ida);
 	port->hdm_end = -1;
 	INIT_LIST_HEAD(&port->dports);
-	INIT_LIST_HEAD(&port->endpoints);
+	xa_init(&port->endpoints);
 
 	device_initialize(dev);
 	lockdep_set_class_and_subclass(&dev->mutex, &cxl_port_key, port->depth);
@@ -873,33 +878,21 @@ struct cxl_dport *devm_cxl_add_dport(struct cxl_port *port,
 }
 EXPORT_SYMBOL_NS_GPL(devm_cxl_add_dport, CXL);
 
-static struct cxl_ep *find_ep(struct cxl_port *port, struct device *ep_dev)
-{
-	struct cxl_ep *ep;
-
-	device_lock_assert(&port->dev);
-	list_for_each_entry(ep, &port->endpoints, list)
-		if (ep->ep == ep_dev)
-			return ep;
-	return NULL;
-}
-
 static int add_ep(struct cxl_ep *new)
 {
 	struct cxl_port *port = new->dport->port;
-	struct cxl_ep *dup;
+	int rc;
 
 	device_lock(&port->dev);
 	if (port->dead) {
 		device_unlock(&port->dev);
 		return -ENXIO;
 	}
-	dup = find_ep(port, new->ep);
-	if (!dup)
-		list_add_tail(&new->list, &port->endpoints);
+	rc = xa_insert(&port->endpoints, (unsigned long)new->ep, new,
+		       GFP_KERNEL);
 	device_unlock(&port->dev);
 
-	return dup ? -EEXIST : 0;
+	return rc;
 }
 
 /**
@@ -920,7 +913,6 @@ static int cxl_add_ep(struct cxl_dport *dport, struct device *ep_dev)
 	if (!ep)
 		return -ENOMEM;
 
-	INIT_LIST_HEAD(&ep->list);
 	ep->ep = get_device(ep_dev);
 	ep->dport = dport;
 
@@ -1063,6 +1055,12 @@ static void delete_switch_port(struct cxl_port *port, struct list_head *dports)
 	devm_release_action(port->dev.parent, unregister_port, port);
 }
 
+static struct cxl_ep *cxl_ep_load(struct cxl_port *port,
+				  struct cxl_memdev *cxlmd)
+{
+	return xa_load(&port->endpoints, (unsigned long)&cxlmd->dev);
+}
+
 static void cxl_detach_ep(void *data)
 {
 	struct cxl_memdev *cxlmd = data;
@@ -1101,11 +1099,11 @@ static void cxl_detach_ep(void *data)
 		}
 
 		device_lock(&port->dev);
-		ep = find_ep(port, &cxlmd->dev);
+		ep = cxl_ep_load(port, cxlmd);
 		dev_dbg(&cxlmd->dev, "disconnect %s from %s\n",
 			ep ? dev_name(ep->ep) : "", dev_name(&port->dev));
-		cxl_ep_release(ep);
-		if (ep && !port->dead && list_empty(&port->endpoints) &&
+		cxl_ep_remove(port, ep);
+		if (ep && !port->dead && xa_empty(&port->endpoints) &&
 		    !is_cxl_root(parent_port)) {
 			/*
 			 * This was the last ep attached to a dynamically
@@ -1199,7 +1197,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
 		dev_dbg(&cxlmd->dev, "add to new port %s:%s\n",
 			dev_name(&port->dev), dev_name(port->uport));
 		rc = cxl_add_ep(dport, &cxlmd->dev);
-		if (rc == -EEXIST) {
+		if (rc == -EBUSY) {
 			/*
 			 * "can't" happen, but this error code means
 			 * something to the caller, so translate it.
@@ -1262,7 +1260,7 @@ int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd)
 			 * the parent_port lock as the current port may be being
 			 * reaped.
 			 */
-			if (rc && rc != -EEXIST) {
+			if (rc && rc != -EBUSY) {
 				put_device(&port->dev);
 				return rc;
 			}
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 973e0efe4bd4..de5cb8288cd4 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -345,7 +345,7 @@ struct cxl_port {
 	struct device *host_bridge;
 	int id;
 	struct list_head dports;
-	struct list_head endpoints;
+	struct xarray endpoints;
 	struct cxl_dport *parent_dport;
 	struct ida decoder_ida;
 	int hdm_end;
@@ -374,12 +374,10 @@ struct cxl_dport {
  * struct cxl_ep - track an endpoint's interest in a port
  * @ep: device that hosts a generic CXL endpoint (expander or accelerator)
  * @dport: which dport routes to this endpoint on @port
- * @list: node on port->endpoints list
  */
 struct cxl_ep {
 	struct device *ep;
 	struct cxl_dport *dport;
-	struct list_head list;
 };
 
 /*

[PATCH v2 13/28] cxl/port: Move dport tracking to an xarray

[Dan Williams]

Reduce the complexity and the overhead of walking the topology to
determine endpoint connectivity to root decoder interleave
configurations.

Note that cxl_detach_ep(), after it determines that the last @ep has
departed and decides to delete the port, now needs to walk the dport
array with the device_lock() held to remove entries. Previously
list_splice_init() could be used atomically delete all dport entries at
once and then perform entry tear down outside the lock. There is no
list_splice_init() equivalent for the xarray.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/hdm.c  |    6 ++-
 drivers/cxl/core/port.c |   85 ++++++++++++++++++++---------------------------
 drivers/cxl/cxl.h       |   12 ++++---
 3 files changed, 47 insertions(+), 56 deletions(-)

diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index 596b57fb60df..4a0325b02ca4 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -50,8 +50,9 @@ static int add_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 int devm_cxl_add_passthrough_decoder(struct cxl_port *port)
 {
 	struct cxl_switch_decoder *cxlsd;
-	struct cxl_dport *dport;
+	struct cxl_dport *dport = NULL;
 	int single_port_map[1];
+	unsigned long index;
 
 	cxlsd = cxl_switch_decoder_alloc(port, 1);
 	if (IS_ERR(cxlsd))
@@ -59,7 +60,8 @@ int devm_cxl_add_passthrough_decoder(struct cxl_port *port)
 
 	device_lock_assert(&port->dev);
 
-	dport = list_first_entry(&port->dports, typeof(*dport), list);
+	xa_for_each(&port->dports, index, dport)
+		break;
 	single_port_map[0] = dport->port_id;
 
 	return add_hdm_decoder(port, &cxlsd->cxld, single_port_map);
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 727d861e21db..b2c44e7ef6a8 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -452,6 +452,7 @@ static void cxl_port_release(struct device *dev)
 	xa_for_each(&port->endpoints, index, ep)
 		cxl_ep_remove(port, ep);
 	xa_destroy(&port->endpoints);
+	xa_destroy(&port->dports);
 	ida_free(&cxl_port_ida, port->id);
 	kfree(port);
 }
@@ -581,7 +582,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
 	port->component_reg_phys = component_reg_phys;
 	ida_init(&port->decoder_ida);
 	port->hdm_end = -1;
-	INIT_LIST_HEAD(&port->dports);
+	xa_init(&port->dports);
 	xa_init(&port->endpoints);
 
 	device_initialize(dev);
@@ -711,17 +712,13 @@ static int match_root_child(struct device *dev, const void *match)
 		return 0;
 
 	port = to_cxl_port(dev);
-	device_lock(dev);
-	list_for_each_entry(dport, &port->dports, list) {
-		iter = match;
-		while (iter) {
-			if (iter == dport->dport)
-				goto out;
-			iter = iter->parent;
-		}
+	iter = match;
+	while (iter) {
+		dport = cxl_find_dport_by_dev(port, iter);
+		if (dport)
+			break;
+		iter = iter->parent;
 	}
-out:
-	device_unlock(dev);
 
 	return !!iter;
 }
@@ -745,9 +742,10 @@ EXPORT_SYMBOL_NS_GPL(find_cxl_root, CXL);
 static struct cxl_dport *find_dport(struct cxl_port *port, int id)
 {
 	struct cxl_dport *dport;
+	unsigned long index;
 
 	device_lock_assert(&port->dev);
-	list_for_each_entry (dport, &port->dports, list)
+	xa_for_each(&port->dports, index, dport)
 		if (dport->port_id == id)
 			return dport;
 	return NULL;
@@ -759,15 +757,15 @@ static int add_dport(struct cxl_port *port, struct cxl_dport *new)
 
 	device_lock_assert(&port->dev);
 	dup = find_dport(port, new->port_id);
-	if (dup)
+	if (dup) {
 		dev_err(&port->dev,
 			"unable to add dport%d-%s non-unique port id (%s)\n",
 			new->port_id, dev_name(new->dport),
 			dev_name(dup->dport));
-	else
-		list_add_tail(&new->list, &port->dports);
-
-	return dup ? -EEXIST : 0;
+		return -EBUSY;
+	}
+	return xa_insert(&port->dports, (unsigned long)new->dport, new,
+			 GFP_KERNEL);
 }
 
 /*
@@ -794,10 +792,8 @@ static void cxl_dport_remove(void *data)
 	struct cxl_dport *dport = data;
 	struct cxl_port *port = dport->port;
 
+	xa_erase(&port->dports, (unsigned long) dport->dport);
 	put_device(dport->dport);
-	cond_cxl_root_lock(port);
-	list_del(&dport->list);
-	cond_cxl_root_unlock(port);
 }
 
 static void cxl_dport_unlink(void *data)
@@ -849,7 +845,6 @@ struct cxl_dport *devm_cxl_add_dport(struct cxl_port *port,
 	if (!dport)
 		return ERR_PTR(-ENOMEM);
 
-	INIT_LIST_HEAD(&dport->list);
 	dport->dport = dport_dev;
 	dport->port_id = port_id;
 	dport->component_reg_phys = component_reg_phys;
@@ -1040,19 +1035,27 @@ EXPORT_SYMBOL_NS_GPL(cxl_endpoint_autoremove, CXL);
  * for a port to be unregistered is when all memdevs beneath that port have gone
  * through ->remove(). This "bottom-up" removal selectively removes individual
  * child ports manually. This depends on devm_cxl_add_port() to not change is
- * devm action registration order.
+ * devm action registration order, and for dports to have already been
+ * destroyed by reap_dports().
  */
-static void delete_switch_port(struct cxl_port *port, struct list_head *dports)
+static void delete_switch_port(struct cxl_port *port)
+{
+	devm_release_action(port->dev.parent, cxl_unlink_uport, port);
+	devm_release_action(port->dev.parent, unregister_port, port);
+}
+
+static void reap_dports(struct cxl_port *port)
 {
-	struct cxl_dport *dport, *_d;
+	struct cxl_dport *dport;
+	unsigned long index;
 
-	list_for_each_entry_safe(dport, _d, dports, list) {
+	device_lock_assert(&port->dev);
+
+	xa_for_each(&port->dports, index, dport) {
 		devm_release_action(&port->dev, cxl_dport_unlink, dport);
 		devm_release_action(&port->dev, cxl_dport_remove, dport);
 		devm_kfree(&port->dev, dport);
 	}
-	devm_release_action(port->dev.parent, cxl_unlink_uport, port);
-	devm_release_action(port->dev.parent, unregister_port, port);
 }
 
 static struct cxl_ep *cxl_ep_load(struct cxl_port *port,
@@ -1069,8 +1072,8 @@ static void cxl_detach_ep(void *data)
 	for (iter = &cxlmd->dev; iter; iter = grandparent(iter)) {
 		struct device *dport_dev = grandparent(iter);
 		struct cxl_port *port, *parent_port;
-		LIST_HEAD(reap_dports);
 		struct cxl_ep *ep;
+		bool died = false;
 
 		if (!dport_dev)
 			break;
@@ -1110,15 +1113,16 @@ static void cxl_detach_ep(void *data)
 			 * enumerated port. Block new cxl_add_ep() and garbage
 			 * collect the port.
 			 */
+			died = true;
 			port->dead = true;
-			list_splice_init(&port->dports, &reap_dports);
+			reap_dports(port);
 		}
 		device_unlock(&port->dev);
 
-		if (!list_empty(&reap_dports)) {
+		if (died) {
 			dev_dbg(&cxlmd->dev, "delete %s\n",
 				dev_name(&port->dev));
-			delete_switch_port(port, &reap_dports);
+			delete_switch_port(port);
 		}
 		put_device(&port->dev);
 		device_unlock(&parent_port->dev);
@@ -1297,23 +1301,6 @@ struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd,
 }
 EXPORT_SYMBOL_NS_GPL(cxl_mem_find_port, CXL);
 
-struct cxl_dport *cxl_find_dport_by_dev(struct cxl_port *port,
-					const struct device *dev)
-{
-	struct cxl_dport *dport;
-
-	device_lock(&port->dev);
-	list_for_each_entry(dport, &port->dports, list)
-		if (dport->dport == dev) {
-			device_unlock(&port->dev);
-			return dport;
-		}
-
-	device_unlock(&port->dev);
-	return NULL;
-}
-EXPORT_SYMBOL_NS_GPL(cxl_find_dport_by_dev, CXL);
-
 static int decoder_populate_targets(struct cxl_switch_decoder *cxlsd,
 				    struct cxl_port *port, int *target_map)
 {
@@ -1324,7 +1311,7 @@ static int decoder_populate_targets(struct cxl_switch_decoder *cxlsd,
 
 	device_lock_assert(&port->dev);
 
-	if (list_empty(&port->dports))
+	if (xa_empty(&port->dports))
 		return -EINVAL;
 
 	write_seqlock(&cxlsd->target_lock);
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index de5cb8288cd4..bf5f0c305115 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -344,7 +344,7 @@ struct cxl_port {
 	struct device *uport;
 	struct device *host_bridge;
 	int id;
-	struct list_head dports;
+	struct xarray dports;
 	struct xarray endpoints;
 	struct cxl_dport *parent_dport;
 	struct ida decoder_ida;
@@ -354,20 +354,24 @@ struct cxl_port {
 	unsigned int depth;
 };
 
+static inline struct cxl_dport *
+cxl_find_dport_by_dev(struct cxl_port *port, const struct device *dport_dev)
+{
+	return xa_load(&port->dports, (unsigned long)dport_dev);
+}
+
 /**
  * struct cxl_dport - CXL downstream port
  * @dport: PCI bridge or firmware device representing the downstream link
  * @port_id: unique hardware identifier for dport in decoder target list
  * @component_reg_phys: downstream port component registers
  * @port: reference to cxl_port that contains this downstream port
- * @list: node for a cxl_port's list of cxl_dport instances
  */
 struct cxl_dport {
 	struct device *dport;
 	int port_id;
 	resource_size_t component_reg_phys;
 	struct cxl_port *port;
-	struct list_head list;
 };
 
 /**
@@ -410,8 +414,6 @@ bool schedule_cxl_memdev_detach(struct cxl_memdev *cxlmd);
 struct cxl_dport *devm_cxl_add_dport(struct cxl_port *port,
 				     struct device *dport, int port_id,
 				     resource_size_t component_reg_phys);
-struct cxl_dport *cxl_find_dport_by_dev(struct cxl_port *port,
-					const struct device *dev);
 
 struct cxl_decoder *to_cxl_decoder(struct device *dev);
 struct cxl_root_decoder *to_cxl_root_decoder(struct device *dev);

[PATCH v2 14/28] cxl/hdm: Add sysfs attributes for interleave ways + granularity

[Dan Williams]

From: Ben Widawsky <bwidawsk@kernel.org>

The region provisioning flow involves selecting interleave ways +
granularity settings for a region, and then programming the decoder
topology to meet those constraints, if possible. For example, root
decoders set the minimum interleave ways + granularity for any hosted
regions.

Given decoder programming is not atomic and collisions can occur between
multiple requesting regions userspace will be responsible for conflict
resolution and it needs these attributes to make those decisions.

Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
[djbw: reword changelog, make read-only, add sysfs ABI documentaion]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   27 +++++++++++++++++++++++++++
 drivers/cxl/core/port.c                 |   23 +++++++++++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 9b6cc7cdc73b..0362ae98218e 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -230,3 +230,30 @@ Description:
 		allocations are enforced to occur in increasing 'decoderX.Y/id'
 		order and frees are enforced to occur in decreasing
 		'decoderX.Y/id' order.
+
+
+What:		/sys/bus/cxl/devices/decoderX.Y/interleave_ways
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RO) The number of targets across which this decoder's host
+		physical address (HPA) memory range is interleaved. The device
+		maps every Nth block of HPA (of size ==
+		'interleave_granularity') to consecutive DPA addresses. The
+		decoder's position in the interleave is determined by the
+		device's (endpoint or switch) switch ancestry. For root
+		decoders their interleave is specified by platform firmware and
+		they only specify a downstream target order for host bridges.
+
+
+What:		/sys/bus/cxl/devices/decoderX.Y/interleave_granularity
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RO) The number of consecutive bytes of host physical address
+		space this decoder claims at address N before the decode rotates
+		to the next target in the interleave at address N +
+		interleave_granularity (assuming N is aligned to
+		interleave_granularity).
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index b2c44e7ef6a8..a43735f349d6 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -260,10 +260,33 @@ static ssize_t dpa_size_store(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR_RW(dpa_size);
 
+static ssize_t interleave_granularity_show(struct device *dev,
+					   struct device_attribute *attr,
+					   char *buf)
+{
+	struct cxl_decoder *cxld = to_cxl_decoder(dev);
+
+	return sysfs_emit(buf, "%d\n", cxld->interleave_granularity);
+}
+
+static DEVICE_ATTR_RO(interleave_granularity);
+
+static ssize_t interleave_ways_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	struct cxl_decoder *cxld = to_cxl_decoder(dev);
+
+	return sysfs_emit(buf, "%d\n", cxld->interleave_ways);
+}
+
+static DEVICE_ATTR_RO(interleave_ways);
+
 static struct attribute *cxl_decoder_base_attrs[] = {
 	&dev_attr_start.attr,
 	&dev_attr_size.attr,
 	&dev_attr_locked.attr,
+	&dev_attr_interleave_granularity.attr,
+	&dev_attr_interleave_ways.attr,
 	NULL,
 };
 

[PATCH v2 15/28] cxl/mem: Enumerate port targets before adding endpoints

[Dan Williams]

The port scanning algorithm in devm_cxl_enumerate_ports() walks up the
topology and adds cxl_port objects starting from the root down to the
endpoint. When those ports are initially created they know all their
dports, but they do not know the downstream cxl_port instance that
represents the next descendant in the topology. Rework create_endpoint()
into devm_cxl_add_endpoint() that enumerates the downstream cxl_port
topology into each port's 'struct cxl_ep' record for each endpoint it
that the port is an ancestor.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220624041950.559155-7-dan.j.williams@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/port.c |   41 +++++++++++++++++++++++++++++++++++++++++
 drivers/cxl/cxl.h       |    5 +++++
 drivers/cxl/mem.c       |   30 +-----------------------------
 3 files changed, 47 insertions(+), 29 deletions(-)

diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index a43735f349d6..4907db798ad9 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -1087,6 +1087,47 @@ static struct cxl_ep *cxl_ep_load(struct cxl_port *port,
 	return xa_load(&port->endpoints, (unsigned long)&cxlmd->dev);
 }
 
+int devm_cxl_add_endpoint(struct cxl_memdev *cxlmd,
+			  struct cxl_dport *parent_dport)
+{
+	struct cxl_port *parent_port = parent_dport->port;
+	struct cxl_dev_state *cxlds = cxlmd->cxlds;
+	struct cxl_port *endpoint, *iter, *down;
+	int rc;
+
+	/*
+	 * Now that the path to the root is established record all the
+	 * intervening ports in the chain.
+	 */
+	for (iter = parent_port, down = NULL; !is_cxl_root(iter);
+	     down = iter, iter = to_cxl_port(iter->dev.parent)) {
+		struct cxl_ep *ep;
+
+		ep = cxl_ep_load(iter, cxlmd);
+		ep->next = down;
+	}
+
+	endpoint = devm_cxl_add_port(&parent_port->dev, &cxlmd->dev,
+				     cxlds->component_reg_phys, parent_dport);
+	if (IS_ERR(endpoint))
+		return PTR_ERR(endpoint);
+
+	dev_dbg(&cxlmd->dev, "add: %s\n", dev_name(&endpoint->dev));
+
+	rc = cxl_endpoint_autoremove(cxlmd, endpoint);
+	if (rc)
+		return rc;
+
+	if (!endpoint->dev.driver) {
+		dev_err(&cxlmd->dev, "%s failed probe\n",
+			dev_name(&endpoint->dev));
+		return -ENXIO;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(devm_cxl_add_endpoint, CXL);
+
 static void cxl_detach_ep(void *data)
 {
 	struct cxl_memdev *cxlmd = data;
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index bf5f0c305115..a108d5c288ca 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -378,10 +378,13 @@ struct cxl_dport {
  * struct cxl_ep - track an endpoint's interest in a port
  * @ep: device that hosts a generic CXL endpoint (expander or accelerator)
  * @dport: which dport routes to this endpoint on @port
+ * @next: cxl switch port across the link attached to @dport NULL if
+ *	  attached to an endpoint
  */
 struct cxl_ep {
 	struct device *ep;
 	struct cxl_dport *dport;
+	struct cxl_port *next;
 };
 
 /*
@@ -404,6 +407,8 @@ struct pci_bus *cxl_port_to_pci_bus(struct cxl_port *port);
 struct cxl_port *devm_cxl_add_port(struct device *host, struct device *uport,
 				   resource_size_t component_reg_phys,
 				   struct cxl_dport *parent_dport);
+int devm_cxl_add_endpoint(struct cxl_memdev *cxlmd,
+			  struct cxl_dport *parent_dport);
 struct cxl_port *find_cxl_root(struct device *dev);
 int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd);
 int cxl_bus_rescan(void);
diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index 2786d3402c9e..64ccf053d32c 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c
@@ -25,34 +25,6 @@
  * in higher level operations.
  */
 
-static int create_endpoint(struct cxl_memdev *cxlmd,
-			   struct cxl_dport *parent_dport)
-{
-	struct cxl_port *parent_port = parent_dport->port;
-	struct cxl_dev_state *cxlds = cxlmd->cxlds;
-	struct cxl_port *endpoint;
-	int rc;
-
-	endpoint = devm_cxl_add_port(&parent_port->dev, &cxlmd->dev,
-				     cxlds->component_reg_phys, parent_dport);
-	if (IS_ERR(endpoint))
-		return PTR_ERR(endpoint);
-
-	dev_dbg(&cxlmd->dev, "add: %s\n", dev_name(&endpoint->dev));
-
-	rc = cxl_endpoint_autoremove(cxlmd, endpoint);
-	if (rc)
-		return rc;
-
-	if (!endpoint->dev.driver) {
-		dev_err(&cxlmd->dev, "%s failed probe\n",
-			dev_name(&endpoint->dev));
-		return -ENXIO;
-	}
-
-	return 0;
-}
-
 static void enable_suspend(void *data)
 {
 	cxl_mem_active_dec();
@@ -116,7 +88,7 @@ static int cxl_mem_probe(struct device *dev)
 		goto unlock;
 	}
 
-	rc = create_endpoint(cxlmd, dport);
+	rc = devm_cxl_add_endpoint(cxlmd, dport);
 unlock:
 	device_unlock(&parent_port->dev);
 	put_device(&parent_port->dev);

[PATCH v2 16/28] resource: Introduce alloc_free_mem_region()

[Dan Williams]

The core of devm_request_free_mem_region() is a helper that searches for
free space in iomem_resource and performs __request_region_locked() on
the result of that search. The policy choices of the implementation
conform to what CONFIG_DEVICE_PRIVATE users want which is memory that is
immediately marked busy, and a preference to search for the first-fit
free range in descending order from the top of the physical address
space.

CXL has a need for a similar allocator, but with the following tweaks:

1/ Search for free space in ascending order

2/ Search for free space relative to a given CXL window

3/ 'insert' rather than 'request' the new resource given downstream
   drivers from the CXL Region driver (like the pmem or dax drivers) are
   responsible for request_mem_region() when they activate the memory
   range.

Rework __request_free_mem_region() into get_free_mem_region() which
takes a set of GFR_* (Get Free Region) flags to control the allocation
policy (ascending vs descending), and "busy" policy (insert_resource()
vs request_region()).

As part of the consolidation of the legacy GFR_REQUEST_REGION case with
the new default of just inserting a new resource into the free space
some minor cleanups like not checking for NULL before calling
devres_free() (which does its own check) is included.

Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/linux-cxl/20220420143406.GY2120790@nvidia.com/
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 include/linux/ioport.h |    2 +
 kernel/resource.c      |  178 +++++++++++++++++++++++++++++++++++++++---------
 mm/Kconfig             |    5 +
 3 files changed, 150 insertions(+), 35 deletions(-)

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 79d1ad6d6275..616b683563a9 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -330,6 +330,8 @@ struct resource *devm_request_free_mem_region(struct device *dev,
 		struct resource *base, unsigned long size);
 struct resource *request_free_mem_region(struct resource *base,
 		unsigned long size, const char *name);
+struct resource *alloc_free_mem_region(struct resource *base,
+		unsigned long size, unsigned long align, const char *name);
 
 static inline void irqresource_disabled(struct resource *res, u32 irq)
 {
diff --git a/kernel/resource.c b/kernel/resource.c
index 53a534db350e..4c5e80b92f2f 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -489,8 +489,9 @@ int __weak page_is_ram(unsigned long pfn)
 }
 EXPORT_SYMBOL_GPL(page_is_ram);
 
-static int __region_intersects(resource_size_t start, size_t size,
-			unsigned long flags, unsigned long desc)
+static int __region_intersects(struct resource *parent, resource_size_t start,
+			       size_t size, unsigned long flags,
+			       unsigned long desc)
 {
 	struct resource res;
 	int type = 0; int other = 0;
@@ -499,7 +500,7 @@ static int __region_intersects(resource_size_t start, size_t size,
 	res.start = start;
 	res.end = start + size - 1;
 
-	for (p = iomem_resource.child; p ; p = p->sibling) {
+	for (p = parent->child; p ; p = p->sibling) {
 		bool is_type = (((p->flags & flags) == flags) &&
 				((desc == IORES_DESC_NONE) ||
 				 (desc == p->desc)));
@@ -543,7 +544,7 @@ int region_intersects(resource_size_t start, size_t size, unsigned long flags,
 	int ret;
 
 	read_lock(&resource_lock);
-	ret = __region_intersects(start, size, flags, desc);
+	ret = __region_intersects(&iomem_resource, start, size, flags, desc);
 	read_unlock(&resource_lock);
 
 	return ret;
@@ -1780,62 +1781,139 @@ void resource_list_free(struct list_head *head)
 }
 EXPORT_SYMBOL(resource_list_free);
 
-#ifdef CONFIG_DEVICE_PRIVATE
-static struct resource *__request_free_mem_region(struct device *dev,
-		struct resource *base, unsigned long size, const char *name)
+#ifdef CONFIG_GET_FREE_REGION
+#define GFR_DESCENDING		(1UL << 0)
+#define GFR_REQUEST_REGION	(1UL << 1)
+#define GFR_DEFAULT_ALIGN (1UL << PA_SECTION_SHIFT)
+
+static resource_size_t gfr_start(struct resource *base, resource_size_t size,
+				 resource_size_t align, unsigned long flags)
+{
+	if (flags & GFR_DESCENDING) {
+		resource_size_t end;
+
+		end = min_t(resource_size_t, base->end,
+			    (1ULL << MAX_PHYSMEM_BITS) - 1);
+		return end - size + 1;
+	}
+
+	return ALIGN(base->start, align);
+}
+
+static bool gfr_continue(struct resource *base, resource_size_t addr,
+			 resource_size_t size, unsigned long flags)
+{
+	if (flags & GFR_DESCENDING)
+		return addr > size && addr >= base->start;
+	/*
+	 * In the ascend case be careful that the last increment by
+	 * @size did not wrap 0.
+	 */
+	return addr > addr - size &&
+	       addr <= min_t(resource_size_t, base->end,
+			     (1ULL << MAX_PHYSMEM_BITS) - 1);
+}
+
+static resource_size_t gfr_next(resource_size_t addr, resource_size_t size,
+				unsigned long flags)
+{
+	if (flags & GFR_DESCENDING)
+		return addr - size;
+	return addr + size;
+}
+
+static void remove_free_mem_region(void *_res)
+{
+	struct resource *res = _res;
+
+	if (res->parent)
+		remove_resource(res);
+	free_resource(res);
+}
+
+static struct resource *
+get_free_mem_region(struct device *dev, struct resource *base,
+		    resource_size_t size, const unsigned long align,
+		    const char *name, const unsigned long desc,
+		    const unsigned long flags)
 {
-	resource_size_t end, addr;
+	resource_size_t addr;
 	struct resource *res;
 	struct region_devres *dr = NULL;
 
-	size = ALIGN(size, 1UL << PA_SECTION_SHIFT);
-	end = min_t(unsigned long, base->end, (1UL << MAX_PHYSMEM_BITS) - 1);
-	addr = end - size + 1UL;
+	size = ALIGN(size, align);
 
 	res = alloc_resource(GFP_KERNEL);
 	if (!res)
 		return ERR_PTR(-ENOMEM);
 
-	if (dev) {
+	if (dev && (flags & GFR_REQUEST_REGION)) {
 		dr = devres_alloc(devm_region_release,
 				sizeof(struct region_devres), GFP_KERNEL);
 		if (!dr) {
 			free_resource(res);
 			return ERR_PTR(-ENOMEM);
 		}
+	} else if (dev) {
+		if (devm_add_action_or_reset(dev, remove_free_mem_region, res))
+			return ERR_PTR(-ENOMEM);
 	}
 
 	write_lock(&resource_lock);
-	for (; addr > size && addr >= base->start; addr -= size) {
-		if (__region_intersects(addr, size, 0, IORES_DESC_NONE) !=
-				REGION_DISJOINT)
+	for (addr = gfr_start(base, size, align, flags);
+	     gfr_continue(base, addr, size, flags);
+	     addr = gfr_next(addr, size, flags)) {
+		if (__region_intersects(base, addr, size, 0, IORES_DESC_NONE) !=
+		    REGION_DISJOINT)
 			continue;
 
-		if (__request_region_locked(res, &iomem_resource, addr, size,
-						name, 0))
-			break;
+		if (flags & GFR_REQUEST_REGION) {
+			if (__request_region_locked(res, &iomem_resource, addr,
+						    size, name, 0))
+				break;
 
-		if (dev) {
-			dr->parent = &iomem_resource;
-			dr->start = addr;
-			dr->n = size;
-			devres_add(dev, dr);
-		}
+			if (dev) {
+				dr->parent = &iomem_resource;
+				dr->start = addr;
+				dr->n = size;
+				devres_add(dev, dr);
+			}
 
-		res->desc = IORES_DESC_DEVICE_PRIVATE_MEMORY;
-		write_unlock(&resource_lock);
+			res->desc = desc;
+			write_unlock(&resource_lock);
+
+
+			/*
+			 * A driver is claiming this region so revoke any
+			 * mappings.
+			 */
+			revoke_iomem(res);
+		} else {
+			res->start = addr;
+			res->end = addr + size - 1;
+			res->name = name;
+			res->desc = desc;
+			res->flags = IORESOURCE_MEM;
+
+			/*
+			 * Only succeed if the resource hosts an exclusive
+			 * range after the insert
+			 */
+			if (__insert_resource(base, res) || res->child)
+				break;
+
+			write_unlock(&resource_lock);
+		}
 
-		/*
-		 * A driver is claiming this region so revoke any mappings.
-		 */
-		revoke_iomem(res);
 		return res;
 	}
 	write_unlock(&resource_lock);
 
-	free_resource(res);
-	if (dr)
+	if (flags & GFR_REQUEST_REGION) {
+		free_resource(res);
 		devres_free(dr);
+	} else if (dev)
+		devm_release_action(dev, remove_free_mem_region, res);
 
 	return ERR_PTR(-ERANGE);
 }
@@ -1854,18 +1932,48 @@ static struct resource *__request_free_mem_region(struct device *dev,
 struct resource *devm_request_free_mem_region(struct device *dev,
 		struct resource *base, unsigned long size)
 {
-	return __request_free_mem_region(dev, base, size, dev_name(dev));
+	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
+
+	return get_free_mem_region(dev, base, size, GFR_DEFAULT_ALIGN,
+				   dev_name(dev),
+				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
 }
 EXPORT_SYMBOL_GPL(devm_request_free_mem_region);
 
 struct resource *request_free_mem_region(struct resource *base,
 		unsigned long size, const char *name)
 {
-	return __request_free_mem_region(NULL, base, size, name);
+	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
+
+	return get_free_mem_region(NULL, base, size, GFR_DEFAULT_ALIGN, name,
+				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
 }
 EXPORT_SYMBOL_GPL(request_free_mem_region);
 
-#endif /* CONFIG_DEVICE_PRIVATE */
+/**
+ * alloc_free_mem_region - find a free region relative to @base
+ * @base: resource that will parent the new resource
+ * @size: size in bytes of memory to allocate from @base
+ * @align: alignment requirements for the allocation
+ * @name: resource name
+ *
+ * Buses like CXL, that can dynamically instantiate new memory regions,
+ * need a method to allocate physical address space for those regions.
+ * Allocate and insert a new resource to cover a free, unclaimed by a
+ * descendant of @base, range in the span of @base.
+ */
+struct resource *alloc_free_mem_region(struct resource *base,
+				       unsigned long size, unsigned long align,
+				       const char *name)
+{
+	/* Default of ascending direction and insert resource */
+	unsigned long flags = 0;
+
+	return get_free_mem_region(NULL, base, size, align, name,
+				   IORES_DESC_NONE, flags);
+}
+EXPORT_SYMBOL_NS_GPL(alloc_free_mem_region, CXL);
+#endif /* CONFIG_GET_FREE_REGION */
 
 static int __init strict_iomem(char *str)
 {
diff --git a/mm/Kconfig b/mm/Kconfig
index 169e64192e48..a5b4fee2e3fd 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -994,9 +994,14 @@ config HMM_MIRROR
 	bool
 	depends on MMU
 
+config GET_FREE_REGION
+	depends on SPARSEMEM
+	bool
+
 config DEVICE_PRIVATE
 	bool "Unaddressable device memory (GPU memory, ...)"
 	depends on ZONE_DEVICE
+	select GET_FREE_REGION
 
 	help
 	  Allows creation of struct pages to represent unaddressable device

[PATCH v2 17/28] cxl/region: Add region creation support

[Dan Williams]

From: Ben Widawsky <bwidawsk@kernel.org>

CXL 2.0 allows for dynamic provisioning of new memory regions (system
physical address resources like "System RAM" and "Persistent Memory").
Whereas DDR and PMEM resources are conveyed statically at boot, CXL
allows for assembling and instantiating new regions from the available
capacity of CXL memory expanders in the system.

Sysfs with an "echo $region_name > $create_region_attribute" interface
is chosen as the mechanism to initiate the provisioning process. This
was chosen over ioctl() and netlink() to keep the configuration
interface entirely in a pseudo-fs interface, and it was chosen over
configfs since, aside from this one creation event, the interface is
read-mostly. I.e. configfs supports cases where an object is designed to
be provisioned each boot, like an iSCSI storage target, and CXL region
creation is mostly for PMEM regions which are created usually once
per-lifetime of a server instance. This is an improvement over nvdimm
that pre-created "seed" devices that tended to confuse users looking to
determine which devices are active and which are idle.

Recall that the major change that CXL brings over previous persistent
memory architectures is the ability to dynamically define new regions.
Compare that to drivers like 'nfit' where the region configuration is
statically defined by platform firmware.

Regions are created as a child of a root decoder that encompasses an
address space with constraints. When created through sysfs, the root
decoder is explicit. When created from an LSA's region structure a root
decoder will possibly need to be inferred by the driver.

Upon region creation through sysfs, a vacant region is created with a
unique name. Regions have a number of attributes that must be configured
before the region can be bound to the driver where HDM decoder program
is completed.

An example of creating a new region:

- Allocate a new region name:
region=$(cat /sys/bus/cxl/devices/decoder0.0/create_pmem_region)

- Create a new region by name:
while
region=$(cat /sys/bus/cxl/devices/decoder0.0/create_pmem_region)
! echo $region > /sys/bus/cxl/devices/decoder0.0/create_pmem_region
do true; done

- Region now exists in sysfs:
stat -t /sys/bus/cxl/devices/decoder0.0/$region

- Delete the region, and name:
echo $region > /sys/bus/cxl/devices/decoder0.0/delete_region

Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
[djbw: simplify locking, reword changelog]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl         |   25 +++
 Documentation/driver-api/cxl/memory-devices.rst |   11 +
 drivers/cxl/Kconfig                             |    5 +
 drivers/cxl/core/Makefile                       |    1 
 drivers/cxl/core/core.h                         |   10 +
 drivers/cxl/core/port.c                         |   39 ++++
 drivers/cxl/core/region.c                       |  201 +++++++++++++++++++++++
 drivers/cxl/cxl.h                               |   18 ++
 tools/testing/cxl/Kbuild                        |    1 
 9 files changed, 311 insertions(+)
 create mode 100644 drivers/cxl/core/region.c

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 0362ae98218e..b6156a499a5a 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -257,3 +257,28 @@ Description:
 		to the next target in the interleave at address N +
 		interleave_granularity (assuming N is aligned to
 		interleave_granularity).
+
+
+What:		/sys/bus/cxl/devices/decoderX.Y/create_pmem_region
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RW) Write a string in the form 'regionZ' to start the process
+		of defining a new persistent memory region (interleave-set)
+		within the decode range bounded by root decoder 'decoderX.Y'.
+		The value written must match the current value returned from
+		reading this attribute. An atomic compare exchange operation is
+		done on write to assign the requested id to a region and
+		allocate the region-id for the next creation attempt. EBUSY is
+		returned if the region name written does not match the current
+		cached value.
+
+
+What:		/sys/bus/cxl/devices/decoderX.Y/delete_region
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(WO) Write a string in the form 'regionZ' to delete that region,
+		provided it is currently idle / not bound to a driver.
diff --git a/Documentation/driver-api/cxl/memory-devices.rst b/Documentation/driver-api/cxl/memory-devices.rst
index db476bb170b6..66ddc58a21b1 100644
--- a/Documentation/driver-api/cxl/memory-devices.rst
+++ b/Documentation/driver-api/cxl/memory-devices.rst
@@ -362,6 +362,17 @@ CXL Core
 .. kernel-doc:: drivers/cxl/core/mbox.c
    :doc: cxl mbox
 
+CXL Regions
+-----------
+.. kernel-doc:: drivers/cxl/region.h
+   :identifiers:
+
+.. kernel-doc:: drivers/cxl/core/region.c
+   :doc: cxl core region
+
+.. kernel-doc:: drivers/cxl/core/region.c
+   :identifiers:
+
 External Interfaces
 ===================
 
diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig
index f64e3984689f..aa2728de419e 100644
--- a/drivers/cxl/Kconfig
+++ b/drivers/cxl/Kconfig
@@ -102,4 +102,9 @@ config CXL_SUSPEND
 	def_bool y
 	depends on SUSPEND && CXL_MEM
 
+config CXL_REGION
+	bool
+	default CXL_BUS
+	select MEMREGION
+
 endif
diff --git a/drivers/cxl/core/Makefile b/drivers/cxl/core/Makefile
index 9d35085d25af..79c7257f4107 100644
--- a/drivers/cxl/core/Makefile
+++ b/drivers/cxl/core/Makefile
@@ -10,3 +10,4 @@ cxl_core-y += memdev.o
 cxl_core-y += mbox.o
 cxl_core-y += pci.o
 cxl_core-y += hdm.o
+cxl_core-$(CONFIG_CXL_REGION) += region.o
diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index 5551b82b2da0..29272df7e212 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -9,6 +9,16 @@ extern const struct device_type cxl_nvdimm_type;
 
 extern struct attribute_group cxl_base_attribute_group;
 
+#ifdef CONFIG_CXL_REGION
+extern struct device_attribute dev_attr_create_pmem_region;
+extern struct device_attribute dev_attr_delete_region;
+#define CXL_REGION_ATTR(x) (&dev_attr_##x.attr)
+#define SET_CXL_REGION_ATTR(x) (&dev_attr_##x.attr),
+#else
+#define CXL_REGION_ATTR(x) NULL
+#define SET_CXL_REGION_ATTR(x)
+#endif
+
 struct cxl_send_command;
 struct cxl_mem_query_commands;
 int cxl_query_cmd(struct cxl_memdev *cxlmd,
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 4907db798ad9..89672b126b30 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /* Copyright(c) 2020 Intel Corporation. All rights reserved. */
 #include <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/memregion.h>
 #include <linux/workqueue.h>
 #include <linux/debugfs.h>
 #include <linux/device.h>
@@ -300,11 +301,35 @@ static struct attribute *cxl_decoder_root_attrs[] = {
 	&dev_attr_cap_type2.attr,
 	&dev_attr_cap_type3.attr,
 	&dev_attr_target_list.attr,
+	SET_CXL_REGION_ATTR(create_pmem_region)
+	SET_CXL_REGION_ATTR(delete_region)
 	NULL,
 };
 
+static bool can_create_pmem(struct cxl_root_decoder *cxlrd)
+{
+	unsigned long flags = CXL_DECODER_F_TYPE3 | CXL_DECODER_F_PMEM;
+
+	return (cxlrd->cxlsd.cxld.flags & flags) == flags;
+}
+
+static umode_t cxl_root_decoder_visible(struct kobject *kobj, struct attribute *a, int n)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev);
+
+	if (a == CXL_REGION_ATTR(create_pmem_region) && !can_create_pmem(cxlrd))
+		return 0;
+
+	if (a == CXL_REGION_ATTR(delete_region) && !can_create_pmem(cxlrd))
+		return 0;
+
+	return a->mode;
+}
+
 static struct attribute_group cxl_decoder_root_attribute_group = {
 	.attrs = cxl_decoder_root_attrs,
+	.is_visible = cxl_root_decoder_visible,
 };
 
 static const struct attribute_group *cxl_decoder_root_attribute_groups[] = {
@@ -387,6 +412,8 @@ static void cxl_root_decoder_release(struct device *dev)
 {
 	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev);
 
+	if (atomic_read(&cxlrd->region_id) >= 0)
+		memregion_free(atomic_read(&cxlrd->region_id));
 	__cxl_decoder_release(&cxlrd->cxlsd.cxld);
 	kfree(cxlrd);
 }
@@ -1484,6 +1511,18 @@ struct cxl_root_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
 
 	cxld = &cxlsd->cxld;
 	cxld->dev.type = &cxl_decoder_root_type;
+	/*
+	 * cxl_root_decoder_release() special cases negative ids to
+	 * detect memregion_alloc() failures.
+	 */
+	atomic_set(&cxlrd->region_id, -1);
+	rc = memregion_alloc(GFP_KERNEL);
+	if (rc < 0) {
+		put_device(&cxld->dev);
+		return ERR_PTR(rc);
+	}
+
+	atomic_set(&cxlrd->region_id, rc);
 	return cxlrd;
 }
 EXPORT_SYMBOL_NS_GPL(cxl_root_decoder_alloc, CXL);
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
new file mode 100644
index 000000000000..6d2a7aa53379
--- /dev/null
+++ b/drivers/cxl/core/region.c
@@ -0,0 +1,201 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2022 Intel Corporation. All rights reserved. */
+#include <linux/memregion.h>
+#include <linux/genalloc.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/idr.h>
+#include <cxl.h>
+#include "core.h"
+
+/**
+ * DOC: cxl core region
+ *
+ * CXL Regions represent mapped memory capacity in system physical address
+ * space. Whereas the CXL Root Decoders identify the bounds of potential CXL
+ * Memory ranges, Regions represent the active mapped capacity by the HDM
+ * Decoder Capability structures throughout the Host Bridges, Switches, and
+ * Endpoints in the topology.
+ */
+
+static struct cxl_region *to_cxl_region(struct device *dev);
+
+static void cxl_region_release(struct device *dev)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+
+	memregion_free(cxlr->id);
+	kfree(cxlr);
+}
+
+static const struct device_type cxl_region_type = {
+	.name = "cxl_region",
+	.release = cxl_region_release,
+};
+
+bool is_cxl_region(struct device *dev)
+{
+	return dev->type == &cxl_region_type;
+}
+EXPORT_SYMBOL_NS_GPL(is_cxl_region, CXL);
+
+static struct cxl_region *to_cxl_region(struct device *dev)
+{
+	if (dev_WARN_ONCE(dev, dev->type != &cxl_region_type,
+			  "not a cxl_region device\n"))
+		return NULL;
+
+	return container_of(dev, struct cxl_region, dev);
+}
+
+static void unregister_region(void *dev)
+{
+	device_unregister(dev);
+}
+
+static struct lock_class_key cxl_region_key;
+
+static struct cxl_region *cxl_region_alloc(struct cxl_root_decoder *cxlrd, int id)
+{
+	struct cxl_region *cxlr;
+	struct device *dev;
+
+	cxlr = kzalloc(sizeof(*cxlr), GFP_KERNEL);
+	if (!cxlr) {
+		memregion_free(id);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	dev = &cxlr->dev;
+	device_initialize(dev);
+	lockdep_set_class(&dev->mutex, &cxl_region_key);
+	dev->parent = &cxlrd->cxlsd.cxld.dev;
+	device_set_pm_not_required(dev);
+	dev->bus = &cxl_bus_type;
+	dev->type = &cxl_region_type;
+	cxlr->id = id;
+
+	return cxlr;
+}
+
+/**
+ * devm_cxl_add_region - Adds a region to a decoder
+ * @cxlrd: root decoder
+ * @id: memregion id to create, or memregion_free() on failure
+ * @mode: mode for the endpoint decoders of this region
+ * @type: select whether this is an expander or accelerator (type-2 or type-3)
+ *
+ * This is the second step of region initialization. Regions exist within an
+ * address space which is mapped by a @cxlrd.
+ *
+ * Return: 0 if the region was added to the @cxlrd, else returns negative error
+ * code. The region will be named "regionZ" where Z is the unique region number.
+ */
+static struct cxl_region *devm_cxl_add_region(struct cxl_root_decoder *cxlrd,
+					      int id,
+					      enum cxl_decoder_mode mode,
+					      enum cxl_decoder_type type)
+{
+	struct cxl_port *port = to_cxl_port(cxlrd->cxlsd.cxld.dev.parent);
+	struct cxl_region *cxlr;
+	struct device *dev;
+	int rc;
+
+	cxlr = cxl_region_alloc(cxlrd, id);
+	if (IS_ERR(cxlr))
+		return cxlr;
+	cxlr->mode = mode;
+	cxlr->type = type;
+
+	dev = &cxlr->dev;
+	rc = dev_set_name(dev, "region%d", id);
+	if (rc)
+		goto err;
+
+	rc = device_add(dev);
+	if (rc)
+		goto err;
+
+	rc = devm_add_action_or_reset(port->uport, unregister_region, cxlr);
+	if (rc)
+		return ERR_PTR(rc);
+
+	dev_dbg(port->uport, "%s: created %s\n",
+		dev_name(&cxlrd->cxlsd.cxld.dev), dev_name(dev));
+	return cxlr;
+
+err:
+	put_device(dev);
+	return ERR_PTR(rc);
+}
+
+static ssize_t create_pmem_region_show(struct device *dev,
+				       struct device_attribute *attr, char *buf)
+{
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev);
+
+	return sysfs_emit(buf, "region%u\n", atomic_read(&cxlrd->region_id));
+}
+
+static ssize_t create_pmem_region_store(struct device *dev,
+					struct device_attribute *attr,
+					const char *buf, size_t len)
+{
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev);
+	struct cxl_region *cxlr;
+	unsigned int id, rc;
+
+	rc = sscanf(buf, "region%u\n", &id);
+	if (rc != 1)
+		return -EINVAL;
+
+	rc = memregion_alloc(GFP_KERNEL);
+	if (rc < 0)
+		return rc;
+
+	if (atomic_cmpxchg(&cxlrd->region_id, id, rc) != id) {
+		memregion_free(rc);
+		return -EBUSY;
+	}
+
+	cxlr = devm_cxl_add_region(cxlrd, id, CXL_DECODER_PMEM,
+				   CXL_DECODER_EXPANDER);
+	if (IS_ERR(cxlr))
+		return PTR_ERR(cxlr);
+
+	return len;
+}
+DEVICE_ATTR_RW(create_pmem_region);
+
+static struct cxl_region *
+cxl_find_region_by_name(struct cxl_root_decoder *cxlrd, const char *name)
+{
+	struct cxl_decoder *cxld = &cxlrd->cxlsd.cxld;
+	struct device *region_dev;
+
+	region_dev = device_find_child_by_name(&cxld->dev, name);
+	if (!region_dev)
+		return ERR_PTR(-ENODEV);
+
+	return to_cxl_region(region_dev);
+}
+
+static ssize_t delete_region_store(struct device *dev,
+				   struct device_attribute *attr,
+				   const char *buf, size_t len)
+{
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev);
+	struct cxl_port *port = to_cxl_port(dev->parent);
+	struct cxl_region *cxlr;
+
+	cxlr = cxl_find_region_by_name(cxlrd, buf);
+	if (IS_ERR(cxlr))
+		return PTR_ERR(cxlr);
+
+	devm_release_action(port->uport, unregister_region, cxlr);
+	put_device(&cxlr->dev);
+
+	return len;
+}
+DEVICE_ATTR_WO(delete_region);
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index a108d5c288ca..c3696e76306a 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -286,13 +286,29 @@ struct cxl_switch_decoder {
 /**
  * struct cxl_root_decoder - Static platform CXL address decoder
  * @res: host / parent resource for region allocations
+ * @region_id: region id for next region provisioning event
  * @cxlsd: base cxl switch decoder
  */
 struct cxl_root_decoder {
 	struct resource *res;
+	atomic_t region_id;
 	struct cxl_switch_decoder cxlsd;
 };
 
+/**
+ * struct cxl_region - CXL region
+ * @dev: This region's device
+ * @id: This region's id. Id is globally unique across all regions
+ * @mode: Endpoint decoder allocation / access mode
+ * @type: Endpoint decoder target type
+ */
+struct cxl_region {
+	struct device dev;
+	int id;
+	enum cxl_decoder_mode mode;
+	enum cxl_decoder_type type;
+};
+
 /**
  * enum cxl_nvdimm_brige_state - state machine for managing bus rescans
  * @CXL_NVB_NEW: Set at bridge create and after cxl_pmem_wq is destroyed
@@ -440,6 +456,8 @@ struct cxl_hdm *devm_cxl_setup_hdm(struct cxl_port *port);
 int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm);
 int devm_cxl_add_passthrough_decoder(struct cxl_port *port);
 
+bool is_cxl_region(struct device *dev);
+
 extern struct bus_type cxl_bus_type;
 
 struct cxl_driver {
diff --git a/tools/testing/cxl/Kbuild b/tools/testing/cxl/Kbuild
index 33543231d453..500be85729cc 100644
--- a/tools/testing/cxl/Kbuild
+++ b/tools/testing/cxl/Kbuild
@@ -47,6 +47,7 @@ cxl_core-y += $(CXL_CORE_SRC)/memdev.o
 cxl_core-y += $(CXL_CORE_SRC)/mbox.o
 cxl_core-y += $(CXL_CORE_SRC)/pci.o
 cxl_core-y += $(CXL_CORE_SRC)/hdm.o
+cxl_core-$(CONFIG_CXL_REGION) += $(CXL_CORE_SRC)/region.o
 cxl_core-y += config_check.o
 
 obj-m += test/

[PATCH v2 18/28] cxl/region: Add a 'uuid' attribute

[Dan Williams]

From: Ben Widawsky <bwidawsk@kernel.org>

The process of provisioning a region involves triggering the creation of
a new region object, pouring in the configuration, and then binding that
configured object to the region driver to start its operation. For
persistent memory regions the CXL specification mandates that it
identified by a uuid. Add an ABI for userspace to specify a region's
uuid.

Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
[djbw: simplify locking]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   10 +++
 drivers/cxl/core/region.c               |  118 +++++++++++++++++++++++++++++++
 drivers/cxl/cxl.h                       |   25 +++++++
 3 files changed, 153 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index b6156a499a5a..0760b8402c23 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -282,3 +282,13 @@ Contact:	linux-cxl@vger.kernel.org
 Description:
 		(WO) Write a string in the form 'regionZ' to delete that region,
 		provided it is currently idle / not bound to a driver.
+
+
+What:		/sys/bus/cxl/devices/regionZ/uuid
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RW) Write a unique identifier for the region. This field must
+		be set for persistent regions and it must not conflict with the
+		UUID of another region.
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 6d2a7aa53379..22dccb4702e5 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -5,6 +5,7 @@
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/uuid.h>
 #include <linux/idr.h>
 #include <cxl.h>
 #include "core.h"
@@ -17,10 +18,126 @@
  * Memory ranges, Regions represent the active mapped capacity by the HDM
  * Decoder Capability structures throughout the Host Bridges, Switches, and
  * Endpoints in the topology.
+ *
+ * Region configuration has ordering constraints. UUID may be set at any time
+ * but is only visible for persistent regions.
+ */
+
+/*
+ * All changes to the interleave configuration occur with this lock held
+ * for write.
  */
+static DECLARE_RWSEM(cxl_region_rwsem);
 
 static struct cxl_region *to_cxl_region(struct device *dev);
 
+static ssize_t uuid_show(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	ssize_t rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	rc = sysfs_emit(buf, "%pUb\n", &p->uuid);
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+
+static int is_dup(struct device *match, void *data)
+{
+	struct cxl_region_params *p;
+	struct cxl_region *cxlr;
+	uuid_t *uuid = data;
+
+	if (!is_cxl_region(match))
+		return 0;
+
+	lockdep_assert_held(&cxl_region_rwsem);
+	cxlr = to_cxl_region(match);
+	p = &cxlr->params;
+
+	if (uuid_equal(&p->uuid, uuid)) {
+		dev_dbg(match, "already has uuid: %pUb\n", uuid);
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
+static ssize_t uuid_store(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t len)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	uuid_t temp;
+	ssize_t rc;
+
+	if (len != UUID_STRING_LEN + 1)
+		return -EINVAL;
+
+	rc = uuid_parse(buf, &temp);
+	if (rc)
+		return rc;
+
+	if (uuid_is_null(&temp))
+		return -EINVAL;
+
+	rc = down_write_killable(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+
+	if (uuid_equal(&p->uuid, &temp))
+		goto out;
+
+	rc = -EBUSY;
+	if (p->state >= CXL_CONFIG_ACTIVE)
+		goto out;
+
+	rc = bus_for_each_dev(&cxl_bus_type, NULL, &temp, is_dup);
+	if (rc < 0)
+		goto out;
+
+	uuid_copy(&p->uuid, &temp);
+out:
+	up_write(&cxl_region_rwsem);
+
+	if (rc)
+		return rc;
+	return len;
+}
+static DEVICE_ATTR_RW(uuid);
+
+static umode_t cxl_region_visible(struct kobject *kobj, struct attribute *a,
+				  int n)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct cxl_region *cxlr = to_cxl_region(dev);
+
+	if (a == &dev_attr_uuid.attr && cxlr->mode != CXL_DECODER_PMEM)
+		return 0;
+	return a->mode;
+}
+
+static struct attribute *cxl_region_attrs[] = {
+	&dev_attr_uuid.attr,
+	NULL,
+};
+
+static const struct attribute_group cxl_region_group = {
+	.attrs = cxl_region_attrs,
+	.is_visible = cxl_region_visible,
+};
+
+static const struct attribute_group *region_groups[] = {
+	&cxl_base_attribute_group,
+	&cxl_region_group,
+	NULL,
+};
+
 static void cxl_region_release(struct device *dev)
 {
 	struct cxl_region *cxlr = to_cxl_region(dev);
@@ -32,6 +149,7 @@ static void cxl_region_release(struct device *dev)
 static const struct device_type cxl_region_type = {
 	.name = "cxl_region",
 	.release = cxl_region_release,
+	.groups = region_groups
 };
 
 bool is_cxl_region(struct device *dev)
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index c3696e76306a..cf2ece363015 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -295,18 +295,43 @@ struct cxl_root_decoder {
 	struct cxl_switch_decoder cxlsd;
 };
 
+/*
+ * enum cxl_config_state - State machine for region configuration
+ * @CXL_CONFIG_IDLE: Any sysfs attribute can be written freely
+ * @CXL_CONFIG_ACTIVE: All targets have been added the region is now
+ * active
+ */
+enum cxl_config_state {
+	CXL_CONFIG_IDLE,
+	CXL_CONFIG_ACTIVE,
+};
+
+/**
+ * struct cxl_region_params - region settings
+ * @state: allow the driver to lockdown further parameter changes
+ * @uuid: unique id for persistent regions
+ *
+ * State transitions are protected by the cxl_region_rwsem
+ */
+struct cxl_region_params {
+	enum cxl_config_state state;
+	uuid_t uuid;
+};
+
 /**
  * struct cxl_region - CXL region
  * @dev: This region's device
  * @id: This region's id. Id is globally unique across all regions
  * @mode: Endpoint decoder allocation / access mode
  * @type: Endpoint decoder target type
+ * @params: active + config params for the region
  */
 struct cxl_region {
 	struct device dev;
 	int id;
 	enum cxl_decoder_mode mode;
 	enum cxl_decoder_type type;
+	struct cxl_region_params params;
 };
 
 /**

[PATCH v2 19/28] cxl/region: Add interleave geometry attributes

[Dan Williams]

From: Ben Widawsky <bwidawsk@kernel.org>

Add ABI to allow the number of devices that comprise a region to be
set as well as the interleave granularity for the region.

Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
[djbw: reword changelog]
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220624041950.559155-11-dan.j.williams@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   21 +++++
 drivers/cxl/core/region.c               |  128 +++++++++++++++++++++++++++++++
 drivers/cxl/cxl.h                       |   33 ++++++++
 3 files changed, 182 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 0760b8402c23..bfa42bcc8383 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -292,3 +292,24 @@ Description:
 		(RW) Write a unique identifier for the region. This field must
 		be set for persistent regions and it must not conflict with the
 		UUID of another region.
+
+
+What:		/sys/bus/cxl/devices/regionZ/interleave_granularity
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RW) Set the number of consecutive bytes each device in the
+		interleave set will claim. The possible interleave granularity
+		values are determined by the CXL spec and the participating
+		devices.
+
+
+What:		/sys/bus/cxl/devices/regionZ/interleave_ways
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RW) Configures the number of devices participating in the
+		region is set by writing this value. Each device will provide
+		1/interleave_ways of storage for the region.
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 22dccb4702e5..3289caa5d882 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -7,6 +7,7 @@
 #include <linux/slab.h>
 #include <linux/uuid.h>
 #include <linux/idr.h>
+#include <cxlmem.h>
 #include <cxl.h>
 #include "core.h"
 
@@ -21,6 +22,8 @@
  *
  * Region configuration has ordering constraints. UUID may be set at any time
  * but is only visible for persistent regions.
+ * 1. Interleave granularity
+ * 2. Interleave size
  */
 
 /*
@@ -122,8 +125,129 @@ static umode_t cxl_region_visible(struct kobject *kobj, struct attribute *a,
 	return a->mode;
 }
 
+static ssize_t interleave_ways_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	ssize_t rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	rc = sysfs_emit(buf, "%d\n", p->interleave_ways);
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+
+static ssize_t interleave_ways_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t len)
+{
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev->parent);
+	struct cxl_decoder *cxld = &cxlrd->cxlsd.cxld;
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	int rc, val;
+	u8 iw;
+
+	rc = kstrtoint(buf, 0, &val);
+	if (rc)
+		return rc;
+
+	rc = ways_to_cxl(val, &iw);
+	if (rc)
+		return rc;
+
+	/*
+	 * Even for x3, x9, and x12 interleaves the region interleave must be a
+	 * power of 2 multiple of the host bridge interleave.
+	 */
+	if (!is_power_of_2(val / cxld->interleave_ways) ||
+	    (val % cxld->interleave_ways)) {
+		dev_dbg(&cxlr->dev, "invalid interleave: %d\n", val);
+		return -EINVAL;
+	}
+
+	rc = down_write_killable(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	if (p->state >= CXL_CONFIG_INTERLEAVE_ACTIVE) {
+		rc = -EBUSY;
+		goto out;
+	}
+
+	p->interleave_ways = val;
+out:
+	up_write(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	return len;
+}
+static DEVICE_ATTR_RW(interleave_ways);
+
+static ssize_t interleave_granularity_show(struct device *dev,
+					   struct device_attribute *attr,
+					   char *buf)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	ssize_t rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	rc = sysfs_emit(buf, "%d\n", p->interleave_granularity);
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+
+static ssize_t interleave_granularity_store(struct device *dev,
+					    struct device_attribute *attr,
+					    const char *buf, size_t len)
+{
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev->parent);
+	struct cxl_decoder *cxld = &cxlrd->cxlsd.cxld;
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	int rc, val;
+	u16 ig;
+
+	rc = kstrtoint(buf, 0, &val);
+	if (rc)
+		return rc;
+
+	rc = granularity_to_cxl(val, &ig);
+	if (rc)
+		return rc;
+
+	/* region granularity must be >= root granularity */
+	if (val < cxld->interleave_granularity)
+		return -EINVAL;
+
+	rc = down_write_killable(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	if (p->state >= CXL_CONFIG_INTERLEAVE_ACTIVE) {
+		rc = -EBUSY;
+		goto out;
+	}
+
+	p->interleave_granularity = val;
+out:
+	up_write(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	return len;
+}
+static DEVICE_ATTR_RW(interleave_granularity);
+
 static struct attribute *cxl_region_attrs[] = {
 	&dev_attr_uuid.attr,
+	&dev_attr_interleave_ways.attr,
+	&dev_attr_interleave_granularity.attr,
 	NULL,
 };
 
@@ -216,6 +340,8 @@ static struct cxl_region *devm_cxl_add_region(struct cxl_root_decoder *cxlrd,
 					      enum cxl_decoder_type type)
 {
 	struct cxl_port *port = to_cxl_port(cxlrd->cxlsd.cxld.dev.parent);
+	struct cxl_decoder *cxld = &cxlrd->cxlsd.cxld;
+	struct cxl_region_params *p;
 	struct cxl_region *cxlr;
 	struct device *dev;
 	int rc;
@@ -223,8 +349,10 @@ static struct cxl_region *devm_cxl_add_region(struct cxl_root_decoder *cxlrd,
 	cxlr = cxl_region_alloc(cxlrd, id);
 	if (IS_ERR(cxlr))
 		return cxlr;
+	p = &cxlr->params;
 	cxlr->mode = mode;
 	cxlr->type = type;
+	p->interleave_granularity = cxld->interleave_granularity;
 
 	dev = &cxlr->dev;
 	rc = dev_set_name(dev, "region%d", id);
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index cf2ece363015..a4e65c102bed 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -7,6 +7,7 @@
 #include <linux/libnvdimm.h>
 #include <linux/bitfield.h>
 #include <linux/bitops.h>
+#include <linux/log2.h>
 #include <linux/io.h>
 
 /**
@@ -92,6 +93,31 @@ static inline int cxl_to_ways(u8 eniw, unsigned int *val)
 	return 0;
 }
 
+static inline int granularity_to_cxl(int g, u16 *ig)
+{
+	if (g > SZ_16K || g < 256 || !is_power_of_2(g))
+		return -EINVAL;
+	*ig = ilog2(g) - 8;
+	return 0;
+}
+
+static inline int ways_to_cxl(int ways, u8 *iw)
+{
+	if (ways > 16)
+		return -EINVAL;
+	if (is_power_of_2(ways)) {
+		*iw = ilog2(ways);
+		return 0;
+	}
+	if (ways % 3)
+		return -EINVAL;
+	ways /= 3;
+	if (!is_power_of_2(ways))
+		return -EINVAL;
+	*iw = ilog2(ways) + 8;
+	return 0;
+}
+
 /* CXL 2.0 8.2.8.1 Device Capabilities Array Register */
 #define CXLDEV_CAP_ARRAY_OFFSET 0x0
 #define   CXLDEV_CAP_ARRAY_CAP_ID 0
@@ -298,11 +324,14 @@ struct cxl_root_decoder {
 /*
  * enum cxl_config_state - State machine for region configuration
  * @CXL_CONFIG_IDLE: Any sysfs attribute can be written freely
+ * @CXL_CONFIG_INTERLEAVE_ACTIVE: region size has been set, no more
+ * changes to interleave_ways or interleave_granularity
  * @CXL_CONFIG_ACTIVE: All targets have been added the region is now
  * active
  */
 enum cxl_config_state {
 	CXL_CONFIG_IDLE,
+	CXL_CONFIG_INTERLEAVE_ACTIVE,
 	CXL_CONFIG_ACTIVE,
 };
 
@@ -310,12 +339,16 @@ enum cxl_config_state {
  * struct cxl_region_params - region settings
  * @state: allow the driver to lockdown further parameter changes
  * @uuid: unique id for persistent regions
+ * @interleave_ways: number of endpoints in the region
+ * @interleave_granularity: capacity each endpoint contributes to a stripe
  *
  * State transitions are protected by the cxl_region_rwsem
  */
 struct cxl_region_params {
 	enum cxl_config_state state;
 	uuid_t uuid;
+	int interleave_ways;
+	int interleave_granularity;
 };
 
 /**

[PATCH v2 20/28] cxl/region: Allocate HPA capacity to regions

[Dan Williams]

After a region's interleave parameters (ways and granularity) are set,
add a way for regions to allocate HPA (host physical address space) from
the free capacity in their parent root-decoder. The allocator for this
capacity reuses the 'struct resource' based allocator used for
CONFIG_DEVICE_PRIVATE.

Once the tuple of "ways, granularity, and size" is set the
region configuration transitions to the CXL_CONFIG_INTERLEAVE_ACTIVE
state which is a precursor to allowing endpoint decoders to be added to
a region.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   29 ++++++
 drivers/cxl/Kconfig                     |    3 +
 drivers/cxl/core/region.c               |  150 +++++++++++++++++++++++++++++++
 drivers/cxl/cxl.h                       |    2 
 4 files changed, 183 insertions(+), 1 deletion(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index bfa42bcc8383..0c6c3da4da5a 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -313,3 +313,32 @@ Description:
 		(RW) Configures the number of devices participating in the
 		region is set by writing this value. Each device will provide
 		1/interleave_ways of storage for the region.
+
+
+What:		/sys/bus/cxl/devices/regionZ/size
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RW) System physical address space to be consumed by the region.
+		When written trigger the driver to allocate space out of the
+		parent root decoder's address space. When read the size of the
+		address space is reported and should match the span of the
+		region's resource attribute. Size shall be set after the
+		interleave configuration parameters. Once set it cannot be
+		changed, only freed by writing 0. The kernel makes no guarantees
+		that data is maintained over an address space freeing event, and
+		there is no guarantee that a free followed by an allocate
+		results in the same address being allocated.
+
+
+What:		/sys/bus/cxl/devices/regionZ/resource
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RO) A region is a contiguous partition of a CXL root decoder
+		address space. Region capacity is allocated by writing to the
+		size attribute, the resulting physical address space determined
+		by the driver is reflected here. It is therefore not useful to
+		read this before writing a value to the size attribute.
diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig
index aa2728de419e..74c2cd069d9d 100644
--- a/drivers/cxl/Kconfig
+++ b/drivers/cxl/Kconfig
@@ -105,6 +105,9 @@ config CXL_SUSPEND
 config CXL_REGION
 	bool
 	default CXL_BUS
+	# For MAX_PHYSMEM_BITS
+	depends on SPARSEMEM
 	select MEMREGION
+	select GET_FREE_REGION
 
 endif
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 3289caa5d882..b1e847827c6b 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -244,10 +244,152 @@ static ssize_t interleave_granularity_store(struct device *dev,
 }
 static DEVICE_ATTR_RW(interleave_granularity);
 
+static ssize_t resource_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	u64 resource = -1ULL;
+	ssize_t rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	if (p->res)
+		resource = p->res->start;
+	rc = sysfs_emit(buf, "%#llx\n", resource);
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+static DEVICE_ATTR_RO(resource);
+
+static int alloc_hpa(struct cxl_region *cxlr, resource_size_t size)
+{
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(cxlr->dev.parent);
+	struct cxl_region_params *p = &cxlr->params;
+	struct resource *res;
+	u32 remainder = 0;
+
+	lockdep_assert_held_write(&cxl_region_rwsem);
+
+	/* Nothing to do... */
+	if (p->res && resource_size(res) == size)
+		return 0;
+
+	/* To change size the old size must be freed first */
+	if (p->res)
+		return -EBUSY;
+
+	if (p->state >= CXL_CONFIG_INTERLEAVE_ACTIVE)
+		return -EBUSY;
+
+	/* ways, granularity and uuid (if PMEM) need to be set before HPA */
+	if (!p->interleave_ways || !p->interleave_granularity ||
+	    (cxlr->mode == CXL_DECODER_PMEM && uuid_is_null(&p->uuid)))
+		return -ENXIO;
+
+	div_u64_rem(size, SZ_256M * p->interleave_ways, &remainder);
+	if (remainder)
+		return -EINVAL;
+
+	res = alloc_free_mem_region(cxlrd->res, size, SZ_256M,
+				    dev_name(&cxlr->dev));
+	if (IS_ERR(res)) {
+		dev_dbg(&cxlr->dev, "failed to allocate HPA: %ld\n",
+			PTR_ERR(res));
+		return PTR_ERR(res);
+	}
+
+	p->res = res;
+	p->state = CXL_CONFIG_INTERLEAVE_ACTIVE;
+
+	return 0;
+}
+
+static void cxl_region_iomem_release(struct cxl_region *cxlr)
+{
+	struct cxl_region_params *p = &cxlr->params;
+
+	if (device_is_registered(&cxlr->dev))
+		lockdep_assert_held_write(&cxl_region_rwsem);
+	if (p->res) {
+		remove_resource(p->res);
+		kfree(p->res);
+		p->res = NULL;
+	}
+}
+
+static int free_hpa(struct cxl_region *cxlr)
+{
+	struct cxl_region_params *p = &cxlr->params;
+
+	lockdep_assert_held_write(&cxl_region_rwsem);
+
+	if (!p->res)
+		return 0;
+
+	if (p->state >= CXL_CONFIG_ACTIVE)
+		return -EBUSY;
+
+	cxl_region_iomem_release(cxlr);
+	p->state = CXL_CONFIG_IDLE;
+	return 0;
+}
+
+static ssize_t size_store(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t len)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	u64 val;
+	int rc;
+
+	rc = kstrtou64(buf, 0, &val);
+	if (rc)
+		return rc;
+
+	rc = down_write_killable(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+
+	if (val)
+		rc = alloc_hpa(cxlr, val);
+	else
+		rc = free_hpa(cxlr);
+	up_write(&cxl_region_rwsem);
+
+	if (rc)
+		return rc;
+
+	return len;
+}
+
+static ssize_t size_show(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	u64 size = 0;
+	ssize_t rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	if (p->res)
+		size = resource_size(p->res);
+	rc = sysfs_emit(buf, "%#llx\n", size);
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+static DEVICE_ATTR_RW(size);
+
 static struct attribute *cxl_region_attrs[] = {
 	&dev_attr_uuid.attr,
 	&dev_attr_interleave_ways.attr,
 	&dev_attr_interleave_granularity.attr,
+	&dev_attr_resource.attr,
+	&dev_attr_size.attr,
 	NULL,
 };
 
@@ -293,7 +435,11 @@ static struct cxl_region *to_cxl_region(struct device *dev)
 
 static void unregister_region(void *dev)
 {
-	device_unregister(dev);
+	struct cxl_region *cxlr = to_cxl_region(dev);
+
+	device_del(dev);
+	cxl_region_iomem_release(cxlr);
+	put_device(dev);
 }
 
 static struct lock_class_key cxl_region_key;
@@ -445,3 +591,5 @@ static ssize_t delete_region_store(struct device *dev,
 	return len;
 }
 DEVICE_ATTR_WO(delete_region);
+
+MODULE_IMPORT_NS(CXL);
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index a4e65c102bed..837bfa67f469 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -341,6 +341,7 @@ enum cxl_config_state {
  * @uuid: unique id for persistent regions
  * @interleave_ways: number of endpoints in the region
  * @interleave_granularity: capacity each endpoint contributes to a stripe
+ * @res: allocated iomem capacity for this region
  *
  * State transitions are protected by the cxl_region_rwsem
  */
@@ -349,6 +350,7 @@ struct cxl_region_params {
 	uuid_t uuid;
 	int interleave_ways;
 	int interleave_granularity;
+	struct resource *res;
 };
 
 /**

[PATCH v2 21/28] cxl/region: Enable the assignment of endpoint decoders to regions

[Dan Williams]

The region provisioning process involves allocating DPA to a set of
endpoint decoders, and HPA plus the region geometry to a region device.
Then the decoder is assigned to the region. At this point several
validation steps can be performed to validate that the decoder is
suitable to participate in the region.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   19 ++
 drivers/cxl/core/core.h                 |    6 +
 drivers/cxl/core/hdm.c                  |   13 +
 drivers/cxl/core/port.c                 |    9 +
 drivers/cxl/core/region.c               |  282 +++++++++++++++++++++++++++++++
 drivers/cxl/cxl.h                       |   11 +
 6 files changed, 338 insertions(+), 2 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 0c6c3da4da5a..94e19e24de8d 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -342,3 +342,22 @@ Description:
 		size attribute, the resulting physical address space determined
 		by the driver is reflected here. It is therefore not useful to
 		read this before writing a value to the size attribute.
+
+
+What:		/sys/bus/cxl/devices/regionZ/target[0..N]
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RW) Write an endpoint decoder object name to 'targetX' where X
+		is the intended position of the endpoint device in the region
+		interleave and N is the 'interleave_ways' setting for the
+		region. ENXIO is returned if the write results in an impossible
+		to map decode scenario, like the endpoint is unreachable at that
+		position relative to the root decoder interleave. EBUSY is
+		returned if the position in the region is already occupied, or
+		if the region is not in a state to accept interleave
+		configuration changes. EINVAL is returned if the object name is
+		not an endpoint decoder. Once all positions have been
+		successfully written a final validation for decode conflicts is
+		performed before activating the region.
diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index 29272df7e212..a60ad9f656fd 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -12,9 +12,14 @@ extern struct attribute_group cxl_base_attribute_group;
 #ifdef CONFIG_CXL_REGION
 extern struct device_attribute dev_attr_create_pmem_region;
 extern struct device_attribute dev_attr_delete_region;
+extern struct device_attribute dev_attr_region;
+void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled);
 #define CXL_REGION_ATTR(x) (&dev_attr_##x.attr)
 #define SET_CXL_REGION_ATTR(x) (&dev_attr_##x.attr),
 #else
+static inline void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled)
+{
+}
 #define CXL_REGION_ATTR(x) NULL
 #define SET_CXL_REGION_ATTR(x)
 #endif
@@ -34,6 +39,7 @@ int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size);
 int cxl_dpa_free(struct cxl_endpoint_decoder *cxled);
 resource_size_t cxl_dpa_size(struct cxl_endpoint_decoder *cxled);
 resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled);
+extern struct rw_semaphore cxl_dpa_rwsem;
 
 int cxl_memdev_init(void);
 void cxl_memdev_exit(void);
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index 4a0325b02ca4..81645de1064f 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -17,7 +17,7 @@
  * for enumerating these registers and capabilities.
  */
 
-static DECLARE_RWSEM(cxl_dpa_rwsem);
+DECLARE_RWSEM(cxl_dpa_rwsem);
 
 static int add_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 			   int *target_map)
@@ -319,6 +319,11 @@ int cxl_dpa_free(struct cxl_endpoint_decoder *cxled)
 		rc = 0;
 		goto out;
 	}
+	if (cxled->cxld.region) {
+		dev_dbg(dev, "decoder assigned to: %s\n",
+			dev_name(&cxled->cxld.region->dev));
+		goto out;
+	}
 	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
 		dev_dbg(dev, "decoder enabled\n");
 		rc = -EBUSY;
@@ -395,6 +400,12 @@ int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size)
 	int rc;
 
 	down_write(&cxl_dpa_rwsem);
+	if (cxled->cxld.region) {
+		dev_dbg(dev, "decoder attached to %s\n",
+			dev_name(&cxled->cxld.region->dev));
+		goto out;
+	}
+
 	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
 		dev_dbg(dev, "decoder enabled\n");
 		rc = -EBUSY;
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 89672b126b30..bd0673821d28 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -288,6 +288,7 @@ static struct attribute *cxl_decoder_base_attrs[] = {
 	&dev_attr_locked.attr,
 	&dev_attr_interleave_granularity.attr,
 	&dev_attr_interleave_ways.attr,
+	SET_CXL_REGION_ATTR(region)
 	NULL,
 };
 
@@ -1583,6 +1584,7 @@ struct cxl_endpoint_decoder *cxl_endpoint_decoder_alloc(struct cxl_port *port)
 	if (!cxled)
 		return ERR_PTR(-ENOMEM);
 
+	cxled->pos = -1;
 	cxld = &cxled->cxld;
 	rc = cxl_decoder_init(port, cxld);
 	if (rc)	 {
@@ -1687,6 +1689,13 @@ EXPORT_SYMBOL_NS_GPL(cxl_decoder_add, CXL);
 
 static void cxld_unregister(void *dev)
 {
+	struct cxl_endpoint_decoder *cxled;
+
+	if (is_endpoint_decoder(dev)) {
+		cxled = to_cxl_endpoint_decoder(dev);
+		cxl_decoder_kill_region(cxled);
+	}
+
 	device_unregister(dev);
 }
 
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index b1e847827c6b..871bfdbb9bc8 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -24,6 +24,7 @@
  * but is only visible for persistent regions.
  * 1. Interleave granularity
  * 2. Interleave size
+ * 3. Decoder targets
  */
 
 /*
@@ -141,6 +142,8 @@ static ssize_t interleave_ways_show(struct device *dev,
 	return rc;
 }
 
+static const struct attribute_group *get_cxl_region_target_group(void);
+
 static ssize_t interleave_ways_store(struct device *dev,
 				     struct device_attribute *attr,
 				     const char *buf, size_t len)
@@ -149,7 +152,7 @@ static ssize_t interleave_ways_store(struct device *dev,
 	struct cxl_decoder *cxld = &cxlrd->cxlsd.cxld;
 	struct cxl_region *cxlr = to_cxl_region(dev);
 	struct cxl_region_params *p = &cxlr->params;
-	int rc, val;
+	int rc, val, save;
 	u8 iw;
 
 	rc = kstrtoint(buf, 0, &val);
@@ -178,7 +181,11 @@ static ssize_t interleave_ways_store(struct device *dev,
 		goto out;
 	}
 
+	save = p->interleave_ways;
 	p->interleave_ways = val;
+	rc = sysfs_update_group(&cxlr->dev.kobj, get_cxl_region_target_group());
+	if (rc)
+		p->interleave_ways = save;
 out:
 	up_write(&cxl_region_rwsem);
 	if (rc)
@@ -398,9 +405,262 @@ static const struct attribute_group cxl_region_group = {
 	.is_visible = cxl_region_visible,
 };
 
+static size_t show_targetN(struct cxl_region *cxlr, char *buf, int pos)
+{
+	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_endpoint_decoder *cxled;
+	int rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+
+	if (pos >= p->interleave_ways) {
+		dev_dbg(&cxlr->dev, "position %d out of range %d\n", pos,
+			p->interleave_ways);
+		rc = -ENXIO;
+		goto out;
+	}
+
+	cxled = p->targets[pos];
+	if (!cxled)
+		rc = sysfs_emit(buf, "\n");
+	else
+		rc = sysfs_emit(buf, "%s\n", dev_name(&cxled->cxld.dev));
+out:
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+
+/*
+ * - Check that the given endpoint is attached to a host-bridge identified
+ *   in the root interleave.
+ */
+static int cxl_region_attach(struct cxl_region *cxlr,
+			     struct cxl_endpoint_decoder *cxled, int pos)
+{
+	struct cxl_region_params *p = &cxlr->params;
+
+	if (cxled->mode == CXL_DECODER_DEAD) {
+		dev_dbg(&cxlr->dev, "%s dead\n", dev_name(&cxled->cxld.dev));
+		return -ENODEV;
+	}
+
+	if (pos >= p->interleave_ways) {
+		dev_dbg(&cxlr->dev, "position %d out of range %d\n", pos,
+			p->interleave_ways);
+		return -ENXIO;
+	}
+
+	if (p->targets[pos] == cxled)
+		return 0;
+
+	if (p->targets[pos]) {
+		struct cxl_endpoint_decoder *cxled_target = p->targets[pos];
+		struct cxl_memdev *cxlmd_target = cxled_to_memdev(cxled_target);
+
+		dev_dbg(&cxlr->dev, "position %d already assigned to %s:%s\n",
+			pos, dev_name(&cxlmd_target->dev),
+			dev_name(&cxled_target->cxld.dev));
+		return -EBUSY;
+	}
+
+	p->targets[pos] = cxled;
+	cxled->pos = pos;
+	p->nr_targets++;
+
+	return 0;
+}
+
+static void cxl_region_detach(struct cxl_endpoint_decoder *cxled)
+{
+	struct cxl_region *cxlr = cxled->cxld.region;
+	struct cxl_region_params *p;
+
+	lockdep_assert_held_write(&cxl_region_rwsem);
+
+	if (!cxlr)
+		return;
+
+	p = &cxlr->params;
+	get_device(&cxlr->dev);
+
+	if (cxled->pos < 0 || cxled->pos >= p->interleave_ways ||
+	    p->targets[cxled->pos] != cxled) {
+		struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+
+		dev_WARN_ONCE(&cxlr->dev, 1, "expected %s:%s at position %d\n",
+			      dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev),
+			      cxled->pos);
+		goto out;
+	}
+
+	p->targets[cxled->pos] = NULL;
+	p->nr_targets--;
+
+	/* notify the region driver that one of its targets has deparated */
+	up_write(&cxl_region_rwsem);
+	device_release_driver(&cxlr->dev);
+	down_write(&cxl_region_rwsem);
+out:
+	put_device(&cxlr->dev);
+}
+
+void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled)
+{
+	down_write(&cxl_region_rwsem);
+	cxled->mode = CXL_DECODER_DEAD;
+	cxl_region_detach(cxled);
+	up_write(&cxl_region_rwsem);
+}
+
+static int attach_target(struct cxl_region *cxlr, const char *decoder, int pos)
+{
+	struct device *dev;
+	int rc;
+
+	dev = bus_find_device_by_name(&cxl_bus_type, NULL, decoder);
+	if (!dev)
+		return -ENODEV;
+
+	if (!is_endpoint_decoder(dev)) {
+		put_device(dev);
+		return -EINVAL;
+	}
+
+	rc = down_write_killable(&cxl_region_rwsem);
+	if (rc)
+		goto out;
+	down_read(&cxl_dpa_rwsem);
+	rc = cxl_region_attach(cxlr, to_cxl_endpoint_decoder(dev), pos);
+	up_read(&cxl_dpa_rwsem);
+	up_write(&cxl_region_rwsem);
+out:
+	put_device(dev);
+	return rc;
+}
+
+static int detach_target(struct cxl_region *cxlr, int pos)
+{
+	struct cxl_region_params *p = &cxlr->params;
+	int rc;
+
+	rc = down_write_killable(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+
+	if (pos >= p->interleave_ways) {
+		dev_dbg(&cxlr->dev, "position %d out of range %d\n", pos,
+			p->interleave_ways);
+		rc = -ENXIO;
+		goto out;
+	}
+
+	if (!p->targets[pos]) {
+		rc = 0;
+		goto out;
+	}
+
+	cxl_region_detach(p->targets[pos]);
+	rc = 0;
+out:
+	up_write(&cxl_region_rwsem);
+	return rc;
+}
+
+static size_t store_targetN(struct cxl_region *cxlr, const char *buf, int pos,
+			    size_t len)
+{
+	int rc;
+
+	if (sysfs_streq(buf, "\n"))
+		rc = detach_target(cxlr, pos);
+	else
+		rc = attach_target(cxlr, buf, pos);
+
+	if (rc < 0)
+		return rc;
+	return len;
+}
+
+#define TARGET_ATTR_RW(n)                                              \
+static ssize_t target##n##_show(                                       \
+	struct device *dev, struct device_attribute *attr, char *buf)  \
+{                                                                      \
+	return show_targetN(to_cxl_region(dev), buf, (n));             \
+}                                                                      \
+static ssize_t target##n##_store(struct device *dev,                   \
+				 struct device_attribute *attr,        \
+				 const char *buf, size_t len)          \
+{                                                                      \
+	return store_targetN(to_cxl_region(dev), buf, (n), len);       \
+}                                                                      \
+static DEVICE_ATTR_RW(target##n)
+
+TARGET_ATTR_RW(0);
+TARGET_ATTR_RW(1);
+TARGET_ATTR_RW(2);
+TARGET_ATTR_RW(3);
+TARGET_ATTR_RW(4);
+TARGET_ATTR_RW(5);
+TARGET_ATTR_RW(6);
+TARGET_ATTR_RW(7);
+TARGET_ATTR_RW(8);
+TARGET_ATTR_RW(9);
+TARGET_ATTR_RW(10);
+TARGET_ATTR_RW(11);
+TARGET_ATTR_RW(12);
+TARGET_ATTR_RW(13);
+TARGET_ATTR_RW(14);
+TARGET_ATTR_RW(15);
+
+static struct attribute *target_attrs[] = {
+	&dev_attr_target0.attr,
+	&dev_attr_target1.attr,
+	&dev_attr_target2.attr,
+	&dev_attr_target3.attr,
+	&dev_attr_target4.attr,
+	&dev_attr_target5.attr,
+	&dev_attr_target6.attr,
+	&dev_attr_target7.attr,
+	&dev_attr_target8.attr,
+	&dev_attr_target9.attr,
+	&dev_attr_target10.attr,
+	&dev_attr_target11.attr,
+	&dev_attr_target12.attr,
+	&dev_attr_target13.attr,
+	&dev_attr_target14.attr,
+	&dev_attr_target15.attr,
+	NULL,
+};
+
+static umode_t cxl_region_target_visible(struct kobject *kobj,
+					 struct attribute *a, int n)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+
+	if (n < p->interleave_ways)
+		return a->mode;
+	return 0;
+}
+
+static const struct attribute_group cxl_region_target_group = {
+	.attrs = target_attrs,
+	.is_visible = cxl_region_target_visible,
+};
+
+static const struct attribute_group *get_cxl_region_target_group(void)
+{
+	return &cxl_region_target_group;
+}
+
 static const struct attribute_group *region_groups[] = {
 	&cxl_base_attribute_group,
 	&cxl_region_group,
+	&cxl_region_target_group,
 	NULL,
 };
 
@@ -560,6 +820,26 @@ static ssize_t create_pmem_region_store(struct device *dev,
 }
 DEVICE_ATTR_RW(create_pmem_region);
 
+static ssize_t region_show(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	struct cxl_decoder *cxld = to_cxl_decoder(dev);
+	ssize_t rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+
+	if (cxld->region)
+		rc = sysfs_emit(buf, "%s\n", dev_name(&cxld->region->dev));
+	else
+		rc = sysfs_emit(buf, "\n");
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+DEVICE_ATTR_RO(region);
+
 static struct cxl_region *
 cxl_find_region_by_name(struct cxl_root_decoder *cxlrd, const char *name)
 {
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 837bfa67f469..95d74cf425a4 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -255,6 +255,7 @@ enum cxl_decoder_type {
  * @interleave_ways: number of cxl_dports in this decode
  * @interleave_granularity: data stride per dport
  * @target_type: accelerator vs expander (type2 vs type3) selector
+ * @region: currently assigned region for this decoder
  * @flags: memory type capabilities and locking
  */
 struct cxl_decoder {
@@ -264,14 +265,20 @@ struct cxl_decoder {
 	int interleave_ways;
 	int interleave_granularity;
 	enum cxl_decoder_type target_type;
+	struct cxl_region *region;
 	unsigned long flags;
 };
 
+/*
+ * CXL_DECODER_DEAD prevents endpoints from being reattached to regions
+ * while cxld_unregister() is running
+ */
 enum cxl_decoder_mode {
 	CXL_DECODER_NONE,
 	CXL_DECODER_RAM,
 	CXL_DECODER_PMEM,
 	CXL_DECODER_MIXED,
+	CXL_DECODER_DEAD,
 };
 
 /**
@@ -280,12 +287,14 @@ enum cxl_decoder_mode {
  * @dpa_res: actively claimed DPA span of this decoder
  * @skip: offset into @dpa_res where @cxld.hpa_range maps
  * @mode: which memory type / access-mode-partition this decoder targets
+ * @pos: interleave position in @cxld.region
  */
 struct cxl_endpoint_decoder {
 	struct cxl_decoder cxld;
 	struct resource *dpa_res;
 	resource_size_t skip;
 	enum cxl_decoder_mode mode;
+	int pos;
 };
 
 /**
@@ -351,6 +360,8 @@ struct cxl_region_params {
 	int interleave_ways;
 	int interleave_granularity;
 	struct resource *res;
+	struct cxl_endpoint_decoder *targets[CXL_DECODER_MAX_INTERLEAVE];
+	int nr_targets;
 };
 
 /**

[PATCH v2 22/28] cxl/acpi: Add a host-bridge index lookup mechanism

[Dan Williams]

The ACPI CXL Fixed Memory Window Structure (CFMWS) defines multiple
methods to determine which host bridge provides access to a given
endpoint relative to that device's position in the interleave. The
"Interleave Arithmetic" defines either a "standard modulo" /
round-random algorithm, or "xormap" based algorithm which can be defined
as a non-linear transform. Given that there are already more options
beyond "standard modulo" and that "xormap" may turn out to be ACPI CXL
specific, provide a callback for the region provisioning code to map
endpoint positions back to expected host bridge id (cxl_dport target).

For now just support the simple modulo math case and save the xormap for
a follow-on change.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220624041950.559155-14-dan.j.williams@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/port.c |   16 ++++++++++++++++
 drivers/cxl/cxl.h       |    2 ++
 2 files changed, 18 insertions(+)

diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index bd0673821d28..2f0b47db53da 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -1421,6 +1421,20 @@ static int decoder_populate_targets(struct cxl_switch_decoder *cxlsd,
 	return rc;
 }
 
+static struct cxl_dport *cxl_hb_modulo(struct cxl_root_decoder *cxlrd, int pos)
+{
+	struct cxl_switch_decoder *cxlsd = &cxlrd->cxlsd;
+	struct cxl_decoder *cxld = &cxlsd->cxld;
+	int iw;
+
+	iw = cxld->interleave_ways;
+	if (dev_WARN_ONCE(&cxld->dev, iw != cxlsd->nr_targets,
+			  "misconfigured root decoder\n"))
+		return NULL;
+
+	return cxlrd->cxlsd.target[pos % iw];
+}
+
 static struct lock_class_key cxl_decoder_key;
 
 /**
@@ -1510,6 +1524,8 @@ struct cxl_root_decoder *cxl_root_decoder_alloc(struct cxl_port *port,
 		return ERR_PTR(rc);
 	}
 
+	cxlrd->calc_hb = cxl_hb_modulo;
+
 	cxld = &cxlsd->cxld;
 	cxld->dev.type = &cxl_decoder_root_type;
 	/*
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 95d74cf425a4..cd81e642e900 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -322,11 +322,13 @@ struct cxl_switch_decoder {
  * struct cxl_root_decoder - Static platform CXL address decoder
  * @res: host / parent resource for region allocations
  * @region_id: region id for next region provisioning event
+ * @calc_hb: which host bridge covers the n'th position by granularity
  * @cxlsd: base cxl switch decoder
  */
 struct cxl_root_decoder {
 	struct resource *res;
 	atomic_t region_id;
+	struct cxl_dport *(*calc_hb)(struct cxl_root_decoder *cxlrd, int pos);
 	struct cxl_switch_decoder cxlsd;
 };
 

[PATCH v2 23/28] cxl/region: Attach endpoint decoders

[Dan Williams]

CXL regions (interleave sets) are made up of a set of memory devices
where each device maps a portion of the interleave with one of its
decoders (see CXL 2.0 8.2.5.12 CXL HDM Decoder Capability Structure).
As endpoint decoders are identified by a provisioning tool they can be
added to a region provided the region interleave properties are set
(way, granularity, HPA) and DPA has been assigned to the decoder.

The attach event triggers several validation checks, for example:
- is the DPA sized appropriately for the region
- is the decoder reachable via the host-bridges identified by the
  region's root decoder
- is the device already active in a different region position slot
- are there already regions with a higher HPA active on a given port
  (per CXL 2.0 8.2.5.12.20 Committing Decoder Programming)

...and the attach event affords an opportunity to collect data and
resources relevant to later programming the target lists in switch
decoders, for example:
- allocate a decoder at each cxl_port in the decode chain
- for a given switch port, how many the region's endpoints are hosted
  through the port
- how many unique targets (next hops) does a port need to map to reach
  those endpoints

The act of reconciling this information and deploying it to the decoder
configuration is saved for a follow-on patch.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/core.h   |    7 +
 drivers/cxl/core/port.c   |   10 -
 drivers/cxl/core/region.c |  364 ++++++++++++++++++++++++++++++++++++++++++++-
 drivers/cxl/cxl.h         |   20 ++
 drivers/cxl/cxlmem.h      |    5 +
 5 files changed, 394 insertions(+), 12 deletions(-)

diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index a60ad9f656fd..6edd8174c2b5 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -41,6 +41,13 @@ resource_size_t cxl_dpa_size(struct cxl_endpoint_decoder *cxled);
 resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled);
 extern struct rw_semaphore cxl_dpa_rwsem;
 
+bool is_switch_decoder(struct device *dev);
+static inline struct cxl_ep *cxl_ep_load(struct cxl_port *port,
+					 struct cxl_memdev *cxlmd)
+{
+	return xa_load(&port->endpoints, (unsigned long)&cxlmd->dev);
+}
+
 int cxl_memdev_init(void);
 void cxl_memdev_exit(void);
 void cxl_mbox_init(void);
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 2f0b47db53da..d234afc47e89 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -448,7 +448,7 @@ bool is_root_decoder(struct device *dev)
 }
 EXPORT_SYMBOL_NS_GPL(is_root_decoder, CXL);
 
-static bool is_switch_decoder(struct device *dev)
+bool is_switch_decoder(struct device *dev)
 {
 	return is_root_decoder(dev) || dev->type == &cxl_decoder_switch_type;
 }
@@ -504,6 +504,7 @@ static void cxl_port_release(struct device *dev)
 		cxl_ep_remove(port, ep);
 	xa_destroy(&port->endpoints);
 	xa_destroy(&port->dports);
+	xa_destroy(&port->regions);
 	ida_free(&cxl_port_ida, port->id);
 	kfree(port);
 }
@@ -635,6 +636,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
 	port->hdm_end = -1;
 	xa_init(&port->dports);
 	xa_init(&port->endpoints);
+	xa_init(&port->regions);
 
 	device_initialize(dev);
 	lockdep_set_class_and_subclass(&dev->mutex, &cxl_port_key, port->depth);
@@ -1109,12 +1111,6 @@ static void reap_dports(struct cxl_port *port)
 	}
 }
 
-static struct cxl_ep *cxl_ep_load(struct cxl_port *port,
-				  struct cxl_memdev *cxlmd)
-{
-	return xa_load(&port->endpoints, (unsigned long)&cxlmd->dev);
-}
-
 int devm_cxl_add_endpoint(struct cxl_memdev *cxlmd,
 			  struct cxl_dport *parent_dport)
 {
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 871bfdbb9bc8..8ac0c557f6aa 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -433,21 +433,294 @@ static size_t show_targetN(struct cxl_region *cxlr, char *buf, int pos)
 	return rc;
 }
 
-/*
- * - Check that the given endpoint is attached to a host-bridge identified
- *   in the root interleave.
+static int match_free_decoder(struct device *dev, void *data)
+{
+	struct cxl_decoder *cxld;
+	int *id = data;
+
+	if (!is_switch_decoder(dev))
+		return 0;
+
+	cxld = to_cxl_decoder(dev);
+
+	/* enforce ordered allocation */
+	if (cxld->id != *id)
+		return 0;
+
+	if (!cxld->region)
+		return 1;
+
+	(*id)++;
+
+	return 0;
+}
+
+static struct cxl_decoder *cxl_region_find_decoder(struct cxl_port *port,
+						   struct cxl_region *cxlr)
+{
+	struct device *dev;
+	int id = 0;
+
+	dev = device_find_child(&port->dev, &id, match_free_decoder);
+	if (!dev)
+		return NULL;
+	/*
+	 * This decoder is pinned registered as long as the endpoint decoder is
+	 * registered, and endpoint decoder unregistration holds the
+	 * cxl_region_rwsem over unregister events, so no need to hold on to
+	 * this extra reference.
+	 */
+	put_device(dev);
+	return to_cxl_decoder(dev);
+}
+
+static struct cxl_region_ref *alloc_region_ref(struct cxl_port *port,
+					       struct cxl_region *cxlr)
+{
+	struct cxl_region_ref *cxl_rr;
+	int rc;
+
+	cxl_rr = kzalloc(sizeof(*cxl_rr), GFP_KERNEL);
+	if (!cxl_rr)
+		return NULL;
+	cxl_rr->port = port;
+	cxl_rr->region = cxlr;
+	xa_init(&cxl_rr->endpoints);
+
+	rc = xa_insert(&port->regions, (unsigned long)cxlr, cxl_rr, GFP_KERNEL);
+	if (rc) {
+		dev_dbg(&cxlr->dev,
+			"%s: failed to track region reference: %d\n",
+			dev_name(&port->dev), rc);
+		kfree(cxl_rr);
+		return NULL;
+	}
+
+	return cxl_rr;
+}
+
+static void free_region_ref(struct cxl_region_ref *cxl_rr)
+{
+	struct cxl_port *port = cxl_rr->port;
+	struct cxl_region *cxlr = cxl_rr->region;
+	struct cxl_decoder *cxld = cxl_rr->decoder;
+
+	dev_WARN_ONCE(&cxlr->dev, cxld->region != cxlr, "region mismatch\n");
+	if (cxld->region == cxlr) {
+		cxld->region = NULL;
+		put_device(&cxlr->dev);
+	}
+
+	xa_erase(&port->regions, (unsigned long)cxlr);
+	xa_destroy(&cxl_rr->endpoints);
+	kfree(cxl_rr);
+}
+
+static int cxl_rr_ep_add(struct cxl_region_ref *cxl_rr,
+			 struct cxl_endpoint_decoder *cxled)
+{
+	int rc;
+	struct cxl_port *port = cxl_rr->port;
+	struct cxl_region *cxlr = cxl_rr->region;
+	struct cxl_decoder *cxld = cxl_rr->decoder;
+	struct cxl_ep *ep = cxl_ep_load(port, cxled_to_memdev(cxled));
+
+	rc = xa_insert(&cxl_rr->endpoints, (unsigned long)cxled, ep,
+			 GFP_KERNEL);
+	if (rc)
+		return rc;
+	cxl_rr->nr_eps++;
+
+	if (!cxld->region) {
+		cxld->region = cxlr;
+		get_device(&cxlr->dev);
+	}
+
+	return 0;
+}
+
+/**
+ * cxl_port_attach_region() - track a region's interest in a port by endpoint
+ * @port: port to add a new region reference 'struct cxl_region_ref'
+ * @cxlr: region to attach to @port
+ * @cxled: endpoint decoder used to create or further pin a region reference
+ * @pos: interleave position of @cxled in @cxlr
+ *
+ * The attach event is an opportunity to validate CXL decode setup
+ * constraints and record metadata needed for programming HDM decoders,
+ * in particular decoder target lists.
+ *
+ * The steps are:
+ * - validate that there are no other regions with a higher HPA already
+ *   associated with @port
+ * - establish a region reference if one is not already present
+ *   - additionally allocate a decoder instance that will host @cxlr on
+ *     @port
+ * - pin the region reference by the endpoint
+ * - account for how many entries in @port's target list are needed to
+ *   cover all of the added endpoints.
  */
+static int cxl_port_attach_region(struct cxl_port *port,
+				  struct cxl_region *cxlr,
+				  struct cxl_endpoint_decoder *cxled, int pos)
+{
+	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	struct cxl_ep *ep = cxl_ep_load(port, cxlmd);
+	struct cxl_region_ref *cxl_rr = NULL, *iter;
+	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_decoder *cxld = NULL;
+	unsigned long index;
+	int rc = -EBUSY;
+
+	lockdep_assert_held_write(&cxl_region_rwsem);
+
+	xa_for_each(&port->regions, index, iter) {
+		struct cxl_region_params *ip = &iter->region->params;
+
+		if (iter->region == cxlr)
+			cxl_rr = iter;
+		if (ip->res->start > p->res->start) {
+			dev_dbg(&cxlr->dev,
+				"%s: HPA order violation %s:%pr vs %pr\n",
+				dev_name(&port->dev),
+				dev_name(&iter->region->dev), ip->res, p->res);
+			return -EBUSY;
+		}
+	}
+
+	if (cxl_rr) {
+		struct cxl_ep *ep_iter;
+		int found = 0;
+
+		cxld = cxl_rr->decoder;
+		xa_for_each(&cxl_rr->endpoints, index, ep_iter) {
+			if (ep_iter == ep)
+				continue;
+			if (ep_iter->next == ep->next) {
+				found++;
+				break;
+			}
+		}
+
+		/*
+		 * If this is a new target or if this port is direct connected
+		 * to this endpoint then add to the target count.
+		 */
+		if (!found || !ep->next)
+			cxl_rr->nr_targets++;
+	} else {
+		cxl_rr = alloc_region_ref(port, cxlr);
+		if (!cxl_rr) {
+			dev_dbg(&cxlr->dev,
+				"%s: failed to allocate region reference\n",
+				dev_name(&port->dev));
+			return -ENOMEM;
+		}
+	}
+
+	if (!cxld) {
+		if (port == cxled_to_port(cxled))
+			cxld = &cxled->cxld;
+		else
+			cxld = cxl_region_find_decoder(port, cxlr);
+		if (!cxld) {
+			dev_dbg(&cxlr->dev, "%s: no decoder available\n",
+				dev_name(&port->dev));
+			goto out_erase;
+		}
+
+		if (cxld->region) {
+			dev_dbg(&cxlr->dev, "%s: %s already attached to %s\n",
+				dev_name(&port->dev), dev_name(&cxld->dev),
+				dev_name(&cxld->region->dev));
+			rc = -EBUSY;
+			goto out_erase;
+		}
+
+		cxl_rr->decoder = cxld;
+	}
+
+	rc = cxl_rr_ep_add(cxl_rr, cxled);
+	if (rc) {
+		dev_dbg(&cxlr->dev,
+			"%s: failed to track endpoint %s:%s reference\n",
+			dev_name(&port->dev), dev_name(&cxlmd->dev),
+			dev_name(&cxld->dev));
+		goto out_erase;
+	}
+
+	return 0;
+out_erase:
+	if (cxl_rr->nr_eps == 0)
+		free_region_ref(cxl_rr);
+	return rc;
+}
+
+static struct cxl_region_ref *cxl_rr_load(struct cxl_port *port,
+					  struct cxl_region *cxlr)
+{
+	return xa_load(&port->regions, (unsigned long)cxlr);
+}
+
+static void cxl_port_detach_region(struct cxl_port *port,
+				   struct cxl_region *cxlr,
+				   struct cxl_endpoint_decoder *cxled)
+{
+	struct cxl_region_ref *cxl_rr;
+	struct cxl_ep *ep;
+
+	lockdep_assert_held_write(&cxl_region_rwsem);
+
+	cxl_rr = cxl_rr_load(port, cxlr);
+	if (!cxl_rr)
+		return;
+
+	ep = xa_erase(&cxl_rr->endpoints, (unsigned long)cxled);
+	if (ep) {
+		struct cxl_ep *ep_iter;
+		unsigned long index;
+		int found = 0;
+
+		cxl_rr->nr_eps--;
+		xa_for_each(&cxl_rr->endpoints, index, ep_iter) {
+			if (ep_iter->next == ep->next) {
+				found++;
+				break;
+			}
+		}
+		if (!found)
+			cxl_rr->nr_targets--;
+	}
+
+	if (cxl_rr->nr_eps == 0)
+		free_region_ref(cxl_rr);
+}
+
 static int cxl_region_attach(struct cxl_region *cxlr,
 			     struct cxl_endpoint_decoder *cxled, int pos)
 {
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(cxlr->dev.parent);
+	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	struct cxl_port *ep_port, *root_port, *iter;
 	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_dport *dport;
+	int i, rc = -ENXIO;
 
 	if (cxled->mode == CXL_DECODER_DEAD) {
 		dev_dbg(&cxlr->dev, "%s dead\n", dev_name(&cxled->cxld.dev));
 		return -ENODEV;
 	}
 
-	if (pos >= p->interleave_ways) {
+	/* all full of members, or interleave config not established? */
+	if (p->state > CXL_CONFIG_INTERLEAVE_ACTIVE) {
+		dev_dbg(&cxlr->dev, "region already active\n");
+		return -EBUSY;
+	} else if (p->state < CXL_CONFIG_INTERLEAVE_ACTIVE) {
+		dev_dbg(&cxlr->dev, "interleave config missing\n");
+		return -ENXIO;
+	}
+
+	if (pos < 0 || pos >= p->interleave_ways) {
 		dev_dbg(&cxlr->dev, "position %d out of range %d\n", pos,
 			p->interleave_ways);
 		return -ENXIO;
@@ -466,15 +739,90 @@ static int cxl_region_attach(struct cxl_region *cxlr,
 		return -EBUSY;
 	}
 
+	for (i = 0; i < p->interleave_ways; i++) {
+		struct cxl_endpoint_decoder *cxled_target;
+		struct cxl_memdev *cxlmd_target;
+
+		cxled_target = p->targets[pos];
+		if (!cxled_target)
+			continue;
+
+		cxlmd_target = cxled_to_memdev(cxled_target);
+		if (cxlmd_target == cxlmd) {
+			dev_dbg(&cxlr->dev,
+				"%s already specified at position %d via: %s\n",
+				dev_name(&cxlmd->dev), pos,
+				dev_name(&cxled_target->cxld.dev));
+			return -EBUSY;
+		}
+	}
+
+	ep_port = cxled_to_port(cxled);
+	root_port = cxlrd_to_port(cxlrd);
+	dport = cxl_find_dport_by_dev(root_port, ep_port->host_bridge);
+	if (!dport) {
+		dev_dbg(&cxlr->dev, "%s:%s invalid target for %s\n",
+			dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev),
+			dev_name(cxlr->dev.parent));
+		return -ENXIO;
+	}
+
+	if (cxlrd->calc_hb(cxlrd, pos) != dport) {
+		dev_dbg(&cxlr->dev, "%s:%s invalid target position for %s\n",
+			dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev),
+			dev_name(&cxlrd->cxlsd.cxld.dev));
+		return -ENXIO;
+	}
+
+	if (cxled->cxld.target_type != cxlr->type) {
+		dev_dbg(&cxlr->dev, "%s:%s type mismatch: %d vs %d\n",
+			dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev),
+			cxled->cxld.target_type, cxlr->type);
+		return -ENXIO;
+	}
+
+	if (!cxled->dpa_res) {
+		dev_dbg(&cxlr->dev, "%s:%s: missing DPA allocation.\n",
+			dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev));
+		return -ENXIO;
+	}
+
+	if (resource_size(cxled->dpa_res) * p->interleave_ways !=
+	    resource_size(p->res)) {
+		dev_dbg(&cxlr->dev,
+			"%s:%s: decoder-size-%#llx * ways-%d != region-size-%#llx\n",
+			dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev),
+			(u64)resource_size(cxled->dpa_res), p->interleave_ways,
+			(u64)resource_size(p->res));
+		return -EINVAL;
+	}
+
+	for (iter = ep_port; !is_cxl_root(iter);
+	     iter = to_cxl_port(iter->dev.parent)) {
+		rc = cxl_port_attach_region(iter, cxlr, cxled, pos);
+		if (rc)
+			goto err;
+	}
+
 	p->targets[pos] = cxled;
 	cxled->pos = pos;
 	p->nr_targets++;
 
+	if (p->nr_targets == p->interleave_ways)
+		p->state = CXL_CONFIG_ACTIVE;
+
 	return 0;
+
+err:
+	for (iter = ep_port; !is_cxl_root(iter);
+	     iter = to_cxl_port(iter->dev.parent))
+		cxl_port_detach_region(iter, cxlr, cxled);
+	return rc;
 }
 
 static void cxl_region_detach(struct cxl_endpoint_decoder *cxled)
 {
+	struct cxl_port *iter, *ep_port = cxled_to_port(cxled);
 	struct cxl_region *cxlr = cxled->cxld.region;
 	struct cxl_region_params *p;
 
@@ -486,6 +834,10 @@ static void cxl_region_detach(struct cxl_endpoint_decoder *cxled)
 	p = &cxlr->params;
 	get_device(&cxlr->dev);
 
+	for (iter = ep_port; !is_cxl_root(iter);
+	     iter = to_cxl_port(iter->dev.parent))
+		cxl_port_detach_region(iter, cxlr, cxled);
+
 	if (cxled->pos < 0 || cxled->pos >= p->interleave_ways ||
 	    p->targets[cxled->pos] != cxled) {
 		struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
@@ -496,10 +848,12 @@ static void cxl_region_detach(struct cxl_endpoint_decoder *cxled)
 		goto out;
 	}
 
+	if (p->state == CXL_CONFIG_ACTIVE)
+		p->state = CXL_CONFIG_INTERLEAVE_ACTIVE;
 	p->targets[cxled->pos] = NULL;
 	p->nr_targets--;
 
-	/* notify the region driver that one of its targets has deparated */
+	/* notify the region driver that one of its targets has departed */
 	up_write(&cxl_region_rwsem);
 	device_release_driver(&cxlr->dev);
 	down_write(&cxl_region_rwsem);
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index cd81e642e900..637768609a75 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -421,6 +421,7 @@ struct cxl_nvdimm {
  * @id: id for port device-name
  * @dports: cxl_dport instances referenced by decoders
  * @endpoints: cxl_ep instances, endpoints that are a descendant of this port
+ * @regions: cxl_region_ref instances, regions mapped by this port
  * @parent_dport: dport that points to this port in the parent
  * @decoder_ida: allocator for decoder ids
  * @hdm_end: track last allocated HDM decoder instance for allocation ordering
@@ -435,6 +436,7 @@ struct cxl_port {
 	int id;
 	struct xarray dports;
 	struct xarray endpoints;
+	struct xarray regions;
 	struct cxl_dport *parent_dport;
 	struct ida decoder_ida;
 	int hdm_end;
@@ -476,6 +478,24 @@ struct cxl_ep {
 	struct cxl_port *next;
 };
 
+/**
+ * struct cxl_region_ref - track a region's interest in a port
+ * @port: point in topology to install this reference
+ * @decoder: decoder assigned for @region in @port
+ * @region: region for this reference
+ * @endpoints: cxl_ep references for region members beneath @port
+ * @nr_eps: number of endpoints beneath @port
+ * @nr_targets: number of distinct targets needed to reach @nr_eps
+ */
+struct cxl_region_ref {
+	struct cxl_port *port;
+	struct cxl_decoder *decoder;
+	struct cxl_region *region;
+	struct xarray endpoints;
+	int nr_eps;
+	int nr_targets;
+};
+
 /*
  * The platform firmware device hosting the root is also the top of the
  * CXL port topology. All other CXL ports have another CXL port as their
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index eee96016c3c7..a83bb6782d23 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h
@@ -55,6 +55,11 @@ static inline struct cxl_port *cxled_to_port(struct cxl_endpoint_decoder *cxled)
 	return to_cxl_port(cxled->cxld.dev.parent);
 }
 
+static inline struct cxl_port *cxlrd_to_port(struct cxl_root_decoder *cxlrd)
+{
+	return to_cxl_port(cxlrd->cxlsd.cxld.dev.parent);
+}
+
 static inline struct cxl_memdev *
 cxled_to_memdev(struct cxl_endpoint_decoder *cxled)
 {

[PATCH v2 24/28] cxl/region: Program target lists

[Dan Williams]

Once the region's interleave geometry (ways, granularity, size) is
established and all the endpoint decoder targets are assigned, the next
phase is to program all the intermediate decoders. Specifically, each
CXL switch in the path between the endpoint and its CXL host-bridge
(including the logical switch internal to the host-bridge) needs to have
its decoders programmed and the target list order assigned.

The difficulty in this implementation lies in determining which endpoint
decoder ordering combinations are valid. Consider the cxl_test case of 2
host bridges, each of those host-bridges attached to 2 switches, and
each of those switches attached to 2 endpoints for a potential 8-way
interleave. The x2 interleave at the host-bridge level requires that all
even numbered endpoint decoder positions be located on the "left" hand
side of the topology tree, and the odd numbered positions on the other.
The endpoints that are peers on the same switch need to have a position
that can be routed with a dedicated address bit per-endpoint. See
check_last_peer() for the details.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/core.h   |    4 +
 drivers/cxl/core/port.c   |    4 -
 drivers/cxl/core/region.c |  262 +++++++++++++++++++++++++++++++++++++++++++--
 drivers/cxl/cxl.h         |    2 
 4 files changed, 260 insertions(+), 12 deletions(-)

diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index 6edd8174c2b5..fcf14b8a3c87 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -42,9 +42,13 @@ resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled);
 extern struct rw_semaphore cxl_dpa_rwsem;
 
 bool is_switch_decoder(struct device *dev);
+struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev);
 static inline struct cxl_ep *cxl_ep_load(struct cxl_port *port,
 					 struct cxl_memdev *cxlmd)
 {
+	if (!port)
+		return NULL;
+
 	return xa_load(&port->endpoints, (unsigned long)&cxlmd->dev);
 }
 
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index d234afc47e89..215ce5e16986 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -146,8 +146,6 @@ static ssize_t emit_target_list(struct cxl_switch_decoder *cxlsd, char *buf)
 	return offset;
 }
 
-static struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev);
-
 static ssize_t target_list_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
@@ -472,7 +470,7 @@ struct cxl_endpoint_decoder *to_cxl_endpoint_decoder(struct device *dev)
 }
 EXPORT_SYMBOL_NS_GPL(to_cxl_endpoint_decoder, CXL);
 
-static struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev)
+struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev)
 {
 	if (dev_WARN_ONCE(dev, !is_switch_decoder(dev),
 			  "not a cxl_switch_decoder device\n"))
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 8ac0c557f6aa..225340529fc3 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -485,6 +485,7 @@ static struct cxl_region_ref *alloc_region_ref(struct cxl_port *port,
 		return NULL;
 	cxl_rr->port = port;
 	cxl_rr->region = cxlr;
+	cxl_rr->nr_targets = 1;
 	xa_init(&cxl_rr->endpoints);
 
 	rc = xa_insert(&port->regions, (unsigned long)cxlr, cxl_rr, GFP_KERNEL);
@@ -525,10 +526,12 @@ static int cxl_rr_ep_add(struct cxl_region_ref *cxl_rr,
 	struct cxl_decoder *cxld = cxl_rr->decoder;
 	struct cxl_ep *ep = cxl_ep_load(port, cxled_to_memdev(cxled));
 
-	rc = xa_insert(&cxl_rr->endpoints, (unsigned long)cxled, ep,
-			 GFP_KERNEL);
-	if (rc)
-		return rc;
+	if (ep) {
+		rc = xa_insert(&cxl_rr->endpoints, (unsigned long)cxled, ep,
+			       GFP_KERNEL);
+		if (rc)
+			return rc;
+	}
 	cxl_rr->nr_eps++;
 
 	if (!cxld->region) {
@@ -565,7 +568,7 @@ static int cxl_port_attach_region(struct cxl_port *port,
 				  struct cxl_endpoint_decoder *cxled, int pos)
 {
 	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
-	struct cxl_ep *ep = cxl_ep_load(port, cxlmd);
+	const struct cxl_ep *ep = cxl_ep_load(port, cxlmd);
 	struct cxl_region_ref *cxl_rr = NULL, *iter;
 	struct cxl_region_params *p = &cxlr->params;
 	struct cxl_decoder *cxld = NULL;
@@ -649,6 +652,16 @@ static int cxl_port_attach_region(struct cxl_port *port,
 		goto out_erase;
 	}
 
+	dev_dbg(&cxlr->dev,
+		"%s:%s %s add: %s:%s @ %d next: %s nr_eps: %d nr_targets: %d\n",
+		dev_name(port->uport), dev_name(&port->dev),
+		dev_name(&cxld->dev), dev_name(&cxlmd->dev),
+		dev_name(&cxled->cxld.dev), pos,
+		ep ? ep->next ? dev_name(ep->next->uport) :
+				      dev_name(&cxlmd->dev) :
+			   "none",
+		cxl_rr->nr_eps, cxl_rr->nr_targets);
+
 	return 0;
 out_erase:
 	if (cxl_rr->nr_eps == 0)
@@ -667,7 +680,7 @@ static void cxl_port_detach_region(struct cxl_port *port,
 				   struct cxl_endpoint_decoder *cxled)
 {
 	struct cxl_region_ref *cxl_rr;
-	struct cxl_ep *ep;
+	struct cxl_ep *ep = NULL;
 
 	lockdep_assert_held_write(&cxl_region_rwsem);
 
@@ -675,7 +688,14 @@ static void cxl_port_detach_region(struct cxl_port *port,
 	if (!cxl_rr)
 		return;
 
-	ep = xa_erase(&cxl_rr->endpoints, (unsigned long)cxled);
+	/*
+	 * Endpoint ports do not carry cxl_ep references, and they
+	 * never target more than one endpoint by definition
+	 */
+	if (cxl_rr->decoder == &cxled->cxld)
+		cxl_rr->nr_eps--;
+	else
+		ep = xa_erase(&cxl_rr->endpoints, (unsigned long)cxled);
 	if (ep) {
 		struct cxl_ep *ep_iter;
 		unsigned long index;
@@ -696,6 +716,224 @@ static void cxl_port_detach_region(struct cxl_port *port,
 		free_region_ref(cxl_rr);
 }
 
+static int check_last_peer(struct cxl_endpoint_decoder *cxled,
+			   struct cxl_ep *ep, struct cxl_region_ref *cxl_rr,
+			   int distance)
+{
+	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	struct cxl_region *cxlr = cxl_rr->region;
+	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_endpoint_decoder *cxled_peer;
+	struct cxl_port *port = cxl_rr->port;
+	struct cxl_memdev *cxlmd_peer;
+	struct cxl_ep *ep_peer;
+	int pos = cxled->pos;
+
+	/*
+	 * If this position wants to share a dport with the last endpoint mapped
+	 * then that endpoint, at index 'position - distance', must also be
+	 * mapped by this dport.
+	 */
+	if (pos < distance) {
+		dev_dbg(&cxlr->dev, "%s:%s: cannot host %s:%s at %d\n",
+			dev_name(port->uport), dev_name(&port->dev),
+			dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos);
+		return -ENXIO;
+	}
+	cxled_peer = p->targets[pos - distance];
+	cxlmd_peer = cxled_to_memdev(cxled_peer);
+	ep_peer = cxl_ep_load(port, cxlmd_peer);
+	if (ep->dport != ep_peer->dport) {
+		dev_dbg(&cxlr->dev,
+			"%s:%s: %s:%s pos %d mismatched peer %s:%s\n",
+			dev_name(port->uport), dev_name(&port->dev),
+			dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos,
+			dev_name(&cxlmd_peer->dev),
+			dev_name(&cxled_peer->cxld.dev));
+		return -ENXIO;
+	}
+
+	return 0;
+}
+
+static int cxl_port_setup_targets(struct cxl_port *port,
+				  struct cxl_region *cxlr,
+				  struct cxl_endpoint_decoder *cxled)
+{
+	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(cxlr->dev.parent);
+	int parent_iw, parent_ig, ig, iw, rc, inc = 0, pos = cxled->pos;
+	struct cxl_port *parent_port = to_cxl_port(port->dev.parent);
+	struct cxl_region_ref *cxl_rr = cxl_rr_load(port, cxlr);
+	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+	struct cxl_ep *ep = cxl_ep_load(port, cxlmd);
+	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_decoder *cxld = cxl_rr->decoder;
+	struct cxl_switch_decoder *cxlsd;
+	u16 eig, peig;
+	u8 eiw, peiw;
+
+	/*
+	 * While root level decoders support x3, x6, x12, switch level
+	 * decoders only support powers of 2 up to x16.
+	 */
+	if (!is_power_of_2(cxl_rr->nr_targets)) {
+		dev_dbg(&cxlr->dev, "%s:%s: invalid target count %d\n",
+			dev_name(port->uport), dev_name(&port->dev),
+			cxl_rr->nr_targets);
+		return -EINVAL;
+	}
+
+	cxlsd = to_cxl_switch_decoder(&cxld->dev);
+	if (cxl_rr->nr_targets_set) {
+		int i, distance;
+
+		distance = p->nr_targets / cxl_rr->nr_targets;
+		for (i = 0; i < cxl_rr->nr_targets_set; i++)
+			if (ep->dport == cxlsd->target[i]) {
+				rc = check_last_peer(cxled, ep, cxl_rr,
+						     distance);
+				if (rc)
+					return rc;
+				goto out_target_set;
+			}
+		goto add_target;
+	}
+
+	if (is_cxl_root(parent_port)) {
+		parent_ig = cxlrd->cxlsd.cxld.interleave_granularity;
+		parent_iw = cxlrd->cxlsd.cxld.interleave_ways;
+		/*
+		 * For purposes of address bit routing, use power-of-2 math for
+		 * switch ports.
+		 */
+		if (!is_power_of_2(parent_iw))
+			parent_iw /= 3;
+	} else {
+		struct cxl_region_ref *parent_rr;
+		struct cxl_decoder *parent_cxld;
+
+		parent_rr = cxl_rr_load(parent_port, cxlr);
+		parent_cxld = parent_rr->decoder;
+		parent_ig = parent_cxld->interleave_granularity;
+		parent_iw = parent_cxld->interleave_ways;
+	}
+
+	granularity_to_cxl(parent_ig, &peig);
+	ways_to_cxl(parent_iw, &peiw);
+
+	iw = cxl_rr->nr_targets;
+	ways_to_cxl(iw, &eiw);
+	if (cxl_rr->nr_targets > 1) {
+		u32 address_bit = max(peig + peiw, eiw + peig);
+
+		eig = address_bit - eiw + 1;
+	} else {
+		eiw = peiw;
+		eig = peig;
+	}
+
+	rc = cxl_to_granularity(eig, &ig);
+	if (rc) {
+		dev_dbg(&cxlr->dev, "%s:%s: invalid interleave: %d\n",
+			dev_name(port->uport), dev_name(&port->dev),
+			256 << eig);
+		return rc;
+	}
+
+	cxld->interleave_ways = iw;
+	cxld->interleave_granularity = ig;
+	dev_dbg(&cxlr->dev, "%s:%s iw: %d ig: %d\n", dev_name(port->uport),
+		dev_name(&port->dev), iw, ig);
+add_target:
+	if (cxl_rr->nr_targets_set == cxl_rr->nr_targets) {
+		dev_dbg(&cxlr->dev,
+			"%s:%s: targets full trying to add %s:%s at %d\n",
+			dev_name(port->uport), dev_name(&port->dev),
+			dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos);
+		return -ENXIO;
+	}
+	cxlsd->target[cxl_rr->nr_targets_set] = ep->dport;
+	inc = 1;
+out_target_set:
+	cxl_rr->nr_targets_set += inc;
+	dev_dbg(&cxlr->dev, "%s:%s target[%d] = %s for %s:%s @ %d\n",
+		dev_name(port->uport), dev_name(&port->dev),
+		cxl_rr->nr_targets_set - 1, dev_name(ep->dport->dport),
+		dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos);
+
+	return 0;
+}
+
+static void cxl_port_reset_targets(struct cxl_port *port,
+				   struct cxl_region *cxlr)
+{
+	struct cxl_region_ref *cxl_rr = cxl_rr_load(port, cxlr);
+
+	/*
+	 * After the last endpoint has been detached the entire cxl_rr may now
+	 * be gone.
+	 */
+	if (cxl_rr)
+		cxl_rr->nr_targets_set = 0;
+}
+
+static void cxl_region_teardown_targets(struct cxl_region *cxlr)
+{
+	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_endpoint_decoder *cxled;
+	struct cxl_memdev *cxlmd;
+	struct cxl_port *iter;
+	struct cxl_ep *ep;
+	int i;
+
+	for (i = 0; i < p->nr_targets; i++) {
+		cxled = p->targets[i];
+		cxlmd = cxled_to_memdev(cxled);
+
+		iter = cxled_to_port(cxled);
+		while (!is_cxl_root(to_cxl_port(iter->dev.parent)))
+			iter = to_cxl_port(iter->dev.parent);
+
+		for (ep = cxl_ep_load(iter, cxlmd); iter;
+		     iter = ep->next, ep = cxl_ep_load(iter, cxlmd))
+			cxl_port_reset_targets(iter, cxlr);
+	}
+}
+
+static int cxl_region_setup_targets(struct cxl_region *cxlr)
+{
+	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_endpoint_decoder *cxled;
+	struct cxl_memdev *cxlmd;
+	struct cxl_port *iter;
+	struct cxl_ep *ep;
+	int i, rc;
+
+	for (i = 0; i < p->nr_targets; i++) {
+		cxled = p->targets[i];
+		cxlmd = cxled_to_memdev(cxled);
+
+		iter = cxled_to_port(cxled);
+		while (!is_cxl_root(to_cxl_port(iter->dev.parent)))
+			iter = to_cxl_port(iter->dev.parent);
+
+		/*
+		 * Descend the topology tree programming targets while
+		 * looking for conflicts.
+		 */
+		for (ep = cxl_ep_load(iter, cxlmd); iter;
+		     iter = ep->next, ep = cxl_ep_load(iter, cxlmd)) {
+			rc = cxl_port_setup_targets(iter, cxlr, cxled);
+			if (rc) {
+				cxl_region_teardown_targets(cxlr);
+				return rc;
+			}
+		}
+	}
+
+	return 0;
+}
+
 static int cxl_region_attach(struct cxl_region *cxlr,
 			     struct cxl_endpoint_decoder *cxled, int pos)
 {
@@ -808,8 +1046,12 @@ static int cxl_region_attach(struct cxl_region *cxlr,
 	cxled->pos = pos;
 	p->nr_targets++;
 
-	if (p->nr_targets == p->interleave_ways)
+	if (p->nr_targets == p->interleave_ways) {
+		rc = cxl_region_setup_targets(cxlr);
+		if (rc)
+			goto err;
 		p->state = CXL_CONFIG_ACTIVE;
+	}
 
 	return 0;
 
@@ -848,8 +1090,10 @@ static void cxl_region_detach(struct cxl_endpoint_decoder *cxled)
 		goto out;
 	}
 
-	if (p->state == CXL_CONFIG_ACTIVE)
+	if (p->state == CXL_CONFIG_ACTIVE) {
 		p->state = CXL_CONFIG_INTERLEAVE_ACTIVE;
+		cxl_region_teardown_targets(cxlr);
+	}
 	p->targets[cxled->pos] = NULL;
 	p->nr_targets--;
 
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 637768609a75..70862141209b 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -484,6 +484,7 @@ struct cxl_ep {
  * @decoder: decoder assigned for @region in @port
  * @region: region for this reference
  * @endpoints: cxl_ep references for region members beneath @port
+ * @nr_targets_set: track how many targets have been programmed during setup
  * @nr_eps: number of endpoints beneath @port
  * @nr_targets: number of distinct targets needed to reach @nr_eps
  */
@@ -492,6 +493,7 @@ struct cxl_region_ref {
 	struct cxl_decoder *decoder;
 	struct cxl_region *region;
 	struct xarray endpoints;
+	int nr_targets_set;
 	int nr_eps;
 	int nr_targets;
 };

[PATCH v2 25/28] cxl/hdm: Commit decoder state to hardware

[Dan Williams]

After all the soft validation of the region has completed, convey the
region configuration to hardware while being careful to commit decoders
in specification mandated order. In addition to programming the endpoint
decoder base-address, interleave ways and granularity, the switch
decoder target lists are also established.

While the kernel can enforce spec-mandated commit order, it can not
enforce spec-mandated reset order. For example, the kernel can't stop
someone from removing an endpoint device that is occupying decoderN in a
switch decoder where decoderN+1 is also committed. To reset decoderN,
decoderN+1 must be torn down first. That "tear down the world"
implementation is saved for a follow-on patch.

Callback operations are provided for the 'commit' and 'reset'
operations. While those callbacks may prove useful for CXL accelerators
(Type-2 devices with memory) the primary motivation is to enable a
simple way for cxl_test to intercept those operations.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/testing/sysfs-bus-cxl |   16 ++
 drivers/cxl/core/hdm.c                  |  218 +++++++++++++++++++++++++++++++
 drivers/cxl/core/port.c                 |    1 
 drivers/cxl/core/region.c               |  194 ++++++++++++++++++++++++++--
 drivers/cxl/cxl.h                       |   13 ++
 tools/testing/cxl/test/cxl.c            |   46 +++++++
 6 files changed, 477 insertions(+), 11 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 94e19e24de8d..2c42888a3df0 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -361,3 +361,19 @@ Description:
 		not an endpoint decoder. Once all positions have been
 		successfully written a final validation for decode conflicts is
 		performed before activating the region.
+
+
+What:		/sys/bus/cxl/devices/regionZ/commit
+Date:		May, 2022
+KernelVersion:	v5.20
+Contact:	linux-cxl@vger.kernel.org
+Description:
+		(RW) Write a boolean 'true' string value to this attribute to
+		trigger the region to transition from the software programmed
+		state to the actively decoding in hardware state. The commit
+		operation in addition to validating that the region is in proper
+		configured state, validates that the decoders are being
+		committed in spec mandated order (last committed decoder id +
+		1), and checks that the hardware accepts the commit request.
+		Reading this value indicates whether the region is committed or
+		not.
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index 81645de1064f..88edb8391fbd 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -129,6 +129,8 @@ struct cxl_hdm *devm_cxl_setup_hdm(struct cxl_port *port)
 		return ERR_PTR(-ENXIO);
 	}
 
+	dev_set_drvdata(dev, cxlhdm);
+
 	return cxlhdm;
 }
 EXPORT_SYMBOL_NS_GPL(devm_cxl_setup_hdm, CXL);
@@ -462,6 +464,213 @@ int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size)
 	return devm_add_action_or_reset(&port->dev, cxl_dpa_release, cxled);
 }
 
+static void cxld_set_interleave(struct cxl_decoder *cxld, u32 *ctrl)
+{
+	u16 eig;
+	u8 eiw;
+
+	ways_to_cxl(cxld->interleave_ways, &eiw);
+	granularity_to_cxl(cxld->interleave_granularity, &eig);
+
+	u32p_replace_bits(ctrl, eig, CXL_HDM_DECODER0_CTRL_IG_MASK);
+	u32p_replace_bits(ctrl, eiw, CXL_HDM_DECODER0_CTRL_IW_MASK);
+	*ctrl |= CXL_HDM_DECODER0_CTRL_COMMIT;
+}
+
+static void cxld_set_type(struct cxl_decoder *cxld, u32 *ctrl)
+{
+	u32p_replace_bits(ctrl, !!(cxld->target_type == 3),
+			  CXL_HDM_DECODER0_CTRL_TYPE);
+}
+
+static void cxld_set_hpa(struct cxl_decoder *cxld, u64 *base, u64 *size)
+{
+	struct cxl_region *cxlr = cxld->region;
+	struct cxl_region_params *p = &cxlr->params;
+
+	cxld->hpa_range = (struct range) {
+		.start = p->res->start,
+		.end = p->res->end,
+	};
+
+	*base = p->res->start;
+	*size = resource_size(p->res);
+}
+
+static void cxld_clear_hpa(struct cxl_decoder *cxld)
+{
+	cxld->hpa_range = (struct range) {
+		.start = 0,
+		.end = -1,
+	};
+}
+
+static int cxlsd_set_targets(struct cxl_switch_decoder *cxlsd, u64 *tgt)
+{
+	struct cxl_dport **t = &cxlsd->target[0];
+	int ways = cxlsd->cxld.interleave_ways;
+
+	if (dev_WARN_ONCE(&cxlsd->cxld.dev,
+			  ways > 8 || ways > cxlsd->nr_targets,
+			  "ways: %d overflows targets: %d\n", ways,
+			  cxlsd->nr_targets))
+		return -ENXIO;
+
+	*tgt = FIELD_PREP(GENMASK(7, 0), t[0]->port_id);
+	if (ways > 1)
+		*tgt |= FIELD_PREP(GENMASK(15, 8), t[1]->port_id);
+	if (ways > 2)
+		*tgt |= FIELD_PREP(GENMASK(23, 16), t[2]->port_id);
+	if (ways > 3)
+		*tgt |= FIELD_PREP(GENMASK(31, 24), t[3]->port_id);
+	if (ways > 4)
+		*tgt |= FIELD_PREP(GENMASK_ULL(39, 32), t[4]->port_id);
+	if (ways > 5)
+		*tgt |= FIELD_PREP(GENMASK_ULL(47, 40), t[5]->port_id);
+	if (ways > 6)
+		*tgt |= FIELD_PREP(GENMASK_ULL(55, 48), t[6]->port_id);
+	if (ways > 7)
+		*tgt |= FIELD_PREP(GENMASK_ULL(63, 56), t[7]->port_id);
+
+	return 0;
+}
+
+/*
+ * Per CXL 2.0 8.2.5.12.20 Committing Decoder Programming, hardware must set
+ * committed or error within 10ms, but just be generous with 20ms to account for
+ * clock skew and other marginal behavior
+ */
+#define COMMIT_TIMEOUT_MS 20
+static int cxld_await_commit(void __iomem *hdm, int id)
+{
+	u32 ctrl;
+	int i;
+
+	for (i = 0; i < COMMIT_TIMEOUT_MS; i++) {
+		ctrl = readl(hdm + CXL_HDM_DECODER0_CTRL_OFFSET(id));
+		if (FIELD_GET(CXL_HDM_DECODER0_CTRL_COMMIT_ERROR, ctrl)) {
+			ctrl &= ~CXL_HDM_DECODER0_CTRL_COMMIT;
+			writel(ctrl, hdm + CXL_HDM_DECODER0_CTRL_OFFSET(id));
+			return -EIO;
+		}
+		if (FIELD_GET(CXL_HDM_DECODER0_CTRL_COMMITTED, ctrl))
+			return 0;
+		fsleep(1000);
+	}
+
+	return -ETIMEDOUT;
+}
+
+static int cxl_decoder_commit(struct cxl_decoder *cxld)
+{
+	struct cxl_port *port = to_cxl_port(cxld->dev.parent);
+	struct cxl_hdm *cxlhdm = dev_get_drvdata(&port->dev);
+	void __iomem *hdm = cxlhdm->regs.hdm_decoder;
+	int id = cxld->id, rc;
+	u64 base, size;
+	u32 ctrl;
+
+	if (cxld->flags & CXL_DECODER_F_ENABLE)
+		return 0;
+
+	if (port->commit_end + 1 != id) {
+		dev_dbg(&port->dev,
+			"%s: out of order commit, expected decoder%d.%d\n",
+			dev_name(&cxld->dev), port->id, port->commit_end + 1);
+		return -EBUSY;
+	}
+
+	down_read(&cxl_dpa_rwsem);
+	/* common decoder settings */
+	ctrl = readl(hdm + CXL_HDM_DECODER0_CTRL_OFFSET(cxld->id));
+	cxld_set_interleave(cxld, &ctrl);
+	cxld_set_type(cxld, &ctrl);
+	cxld_set_hpa(cxld, &base, &size);
+
+	writel(upper_32_bits(base), hdm + CXL_HDM_DECODER0_BASE_HIGH_OFFSET(id));
+	writel(lower_32_bits(base), hdm + CXL_HDM_DECODER0_BASE_LOW_OFFSET(id));
+	writel(upper_32_bits(size), hdm + CXL_HDM_DECODER0_SIZE_HIGH_OFFSET(id));
+	writel(lower_32_bits(size), hdm + CXL_HDM_DECODER0_SIZE_LOW_OFFSET(id));
+
+	if (is_switch_decoder(&cxld->dev)) {
+		struct cxl_switch_decoder *cxlsd =
+			to_cxl_switch_decoder(&cxld->dev);
+		void __iomem *tl_hi = hdm + CXL_HDM_DECODER0_TL_HIGH(id);
+		void __iomem *tl_lo = hdm + CXL_HDM_DECODER0_TL_LOW(id);
+		u64 targets;
+
+		rc = cxlsd_set_targets(cxlsd, &targets);
+		if (rc) {
+			dev_dbg(&port->dev, "%s: target configuration error\n",
+				dev_name(&cxld->dev));
+			goto err;
+		}
+
+		writel(upper_32_bits(targets), tl_hi);
+		writel(lower_32_bits(targets), tl_lo);
+	} else {
+		struct cxl_endpoint_decoder *cxled =
+			to_cxl_endpoint_decoder(&cxld->dev);
+		void __iomem *sk_hi = hdm + CXL_HDM_DECODER0_SKIP_HIGH(id);
+		void __iomem *sk_lo = hdm + CXL_HDM_DECODER0_SKIP_LOW(id);
+
+		writel(upper_32_bits(cxled->skip), sk_hi);
+		writel(lower_32_bits(cxled->skip), sk_lo);
+	}
+
+	writel(ctrl, hdm + CXL_HDM_DECODER0_CTRL_OFFSET(id));
+	up_read(&cxl_dpa_rwsem);
+
+	port->commit_end++;
+	rc = cxld_await_commit(hdm, cxld->id);
+err:
+	if (rc) {
+		dev_dbg(&port->dev, "%s: error %d committing decoder\n",
+			dev_name(&cxld->dev), rc);
+		cxld->reset(cxld);
+		return rc;
+	}
+	cxld->flags |= CXL_DECODER_F_ENABLE;
+
+	return 0;
+}
+
+static int cxl_decoder_reset(struct cxl_decoder *cxld)
+{
+	struct cxl_port *port = to_cxl_port(cxld->dev.parent);
+	struct cxl_hdm *cxlhdm = dev_get_drvdata(&port->dev);
+	void __iomem *hdm = cxlhdm->regs.hdm_decoder;
+	int id = cxld->id;
+	u32 ctrl;
+
+	if ((cxld->flags & CXL_DECODER_F_ENABLE) == 0)
+		return 0;
+
+	if (port->commit_end != id) {
+		dev_dbg(&port->dev,
+			"%s: out of order reset, expected decoder%d.%d\n",
+			dev_name(&cxld->dev), port->id, port->commit_end);
+		return -EBUSY;
+	}
+
+	down_read(&cxl_dpa_rwsem);
+	ctrl = readl(hdm + CXL_HDM_DECODER0_CTRL_OFFSET(id));
+	ctrl &= ~CXL_HDM_DECODER0_CTRL_COMMIT;
+	writel(ctrl, hdm + CXL_HDM_DECODER0_CTRL_OFFSET(id));
+
+	cxld_clear_hpa(cxld);
+	writel(0, hdm + CXL_HDM_DECODER0_SIZE_HIGH_OFFSET(id));
+	writel(0, hdm + CXL_HDM_DECODER0_SIZE_LOW_OFFSET(id));
+	writel(0, hdm + CXL_HDM_DECODER0_BASE_HIGH_OFFSET(id));
+	writel(0, hdm + CXL_HDM_DECODER0_BASE_LOW_OFFSET(id));
+	up_read(&cxl_dpa_rwsem);
+
+	port->commit_end--;
+	cxld->flags &= ~CXL_DECODER_F_ENABLE;
+
+	return 0;
+}
+
 static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 			    int *target_map, void __iomem *hdm, int which,
 			    u64 *dpa_base)
@@ -484,6 +693,8 @@ static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 	base = ioread64_hi_lo(hdm + CXL_HDM_DECODER0_BASE_LOW_OFFSET(which));
 	size = ioread64_hi_lo(hdm + CXL_HDM_DECODER0_SIZE_LOW_OFFSET(which));
 	committed = !!(ctrl & CXL_HDM_DECODER0_CTRL_COMMITTED);
+	cxld->commit = cxl_decoder_commit;
+	cxld->reset = cxl_decoder_reset;
 
 	if (!committed)
 		size = 0;
@@ -507,6 +718,13 @@ static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
 			cxld->target_type = CXL_DECODER_EXPANDER;
 		else
 			cxld->target_type = CXL_DECODER_ACCELERATOR;
+		if (cxld->id != port->commit_end + 1) {
+			dev_warn(&port->dev,
+				 "decoder%d.%d: Committed out of order\n",
+				 port->id, cxld->id);
+			return -ENXIO;
+		}
+		port->commit_end = cxld->id;
 	} else {
 		/* unless / until type-2 drivers arrive, assume type-3 */
 		if (FIELD_GET(CXL_HDM_DECODER0_CTRL_TYPE, ctrl) == 0) {
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 215ce5e16986..7ab9a98c5d4f 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -632,6 +632,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
 	port->component_reg_phys = component_reg_phys;
 	ida_init(&port->decoder_ida);
 	port->hdm_end = -1;
+	port->commit_end = -1;
 	xa_init(&port->dports);
 	xa_init(&port->endpoints);
 	xa_init(&port->regions);
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 225340529fc3..de794344d964 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -115,6 +115,173 @@ static ssize_t uuid_store(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR_RW(uuid);
 
+static struct cxl_region_ref *cxl_rr_load(struct cxl_port *port,
+					  struct cxl_region *cxlr)
+{
+	return xa_load(&port->regions, (unsigned long)cxlr);
+}
+
+static int cxl_region_decode_reset(struct cxl_region *cxlr, int count)
+{
+	struct cxl_region_params *p = &cxlr->params;
+	int i;
+
+	for (i = count - 1; i >= 0; i--) {
+		struct cxl_endpoint_decoder *cxled = p->targets[i];
+		struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+		struct cxl_port *iter = cxled_to_port(cxled);
+		struct cxl_ep *ep;
+		int rc;
+
+		while (!is_cxl_root(to_cxl_port(iter->dev.parent)))
+			iter = to_cxl_port(iter->dev.parent);
+
+		for (ep = cxl_ep_load(iter, cxlmd); iter;
+		     iter = ep->next, ep = cxl_ep_load(iter, cxlmd)) {
+			struct cxl_region_ref *cxl_rr;
+			struct cxl_decoder *cxld;
+
+			cxl_rr = cxl_rr_load(iter, cxlr);
+			cxld = cxl_rr->decoder;
+			rc = cxld->reset(cxld);
+			if (rc)
+				return rc;
+		}
+
+		rc = cxled->cxld.reset(&cxled->cxld);
+		if (rc)
+			return rc;
+	}
+
+	return 0;
+}
+
+static int cxl_region_decode_commit(struct cxl_region *cxlr)
+{
+	struct cxl_region_params *p = &cxlr->params;
+	int i, rc;
+
+	for (i = 0; i < p->nr_targets; i++) {
+		struct cxl_endpoint_decoder *cxled = p->targets[i];
+		struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+		struct cxl_region_ref *cxl_rr;
+		struct cxl_decoder *cxld;
+		struct cxl_port *iter;
+		struct cxl_ep *ep;
+
+		/* commit bottom up */
+		for (iter = cxled_to_port(cxled); !is_cxl_root(iter);
+		     iter = to_cxl_port(iter->dev.parent)) {
+			cxl_rr = cxl_rr_load(iter, cxlr);
+			cxld = cxl_rr->decoder;
+			rc = cxld->commit(cxld);
+			if (rc)
+				break;
+		}
+
+		/* success, all decoders up to the root are programmed */
+		if (is_cxl_root(iter))
+			continue;
+
+		/* programming @iter failed, teardown */
+		for (ep = cxl_ep_load(iter, cxlmd); ep && iter;
+		     iter = ep->next, ep = cxl_ep_load(iter, cxlmd)) {
+			cxl_rr = cxl_rr_load(iter, cxlr);
+			cxld = cxl_rr->decoder;
+			cxld->reset(cxld);
+		}
+
+		cxled->cxld.reset(&cxled->cxld);
+		if (i == 0)
+			return rc;
+		break;
+	}
+
+	if (i >= p->nr_targets)
+		return 0;
+
+	/* undo the targets that were successfully committed */
+	cxl_region_decode_reset(cxlr, i);
+	return rc;
+}
+
+static ssize_t commit_store(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t len)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	bool commit;
+	ssize_t rc;
+
+	rc = kstrtobool(buf, &commit);
+	if (rc)
+		return rc;
+
+	rc = down_write_killable(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+
+	/* Already in the requested state? */
+	if (commit && p->state >= CXL_CONFIG_COMMIT)
+		goto out;
+	if (!commit && p->state < CXL_CONFIG_COMMIT)
+		goto out;
+
+	/* Not ready to commit? */
+	if (commit && p->state < CXL_CONFIG_ACTIVE) {
+		rc = -ENXIO;
+		goto out;
+	}
+
+	if (commit)
+		rc = cxl_region_decode_commit(cxlr);
+	else {
+		p->state = CXL_CONFIG_RESET_PENDING;
+		up_write(&cxl_region_rwsem);
+		device_release_driver(&cxlr->dev);
+		down_write(&cxl_region_rwsem);
+
+		/*
+		 * The lock was dropped, so need to revalidate that the reset is
+		 * still pending.
+		 */
+		if (p->state == CXL_CONFIG_RESET_PENDING)
+			rc = cxl_region_decode_reset(cxlr, p->interleave_ways);
+	}
+
+	if (rc)
+		goto out;
+
+	if (commit)
+		p->state = CXL_CONFIG_COMMIT;
+	else if (p->state == CXL_CONFIG_RESET_PENDING)
+		p->state = CXL_CONFIG_ACTIVE;
+
+out:
+	up_write(&cxl_region_rwsem);
+
+	if (rc)
+		return rc;
+	return len;
+}
+
+static ssize_t commit_show(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	ssize_t rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc)
+		return rc;
+	rc = sysfs_emit(buf, "%d\n", p->state >= CXL_CONFIG_COMMIT);
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+static DEVICE_ATTR_RW(commit);
+
 static umode_t cxl_region_visible(struct kobject *kobj, struct attribute *a,
 				  int n)
 {
@@ -393,6 +560,7 @@ static DEVICE_ATTR_RW(size);
 
 static struct attribute *cxl_region_attrs[] = {
 	&dev_attr_uuid.attr,
+	&dev_attr_commit.attr,
 	&dev_attr_interleave_ways.attr,
 	&dev_attr_interleave_granularity.attr,
 	&dev_attr_resource.attr,
@@ -669,12 +837,6 @@ static int cxl_port_attach_region(struct cxl_port *port,
 	return rc;
 }
 
-static struct cxl_region_ref *cxl_rr_load(struct cxl_port *port,
-					  struct cxl_region *cxlr)
-{
-	return xa_load(&port->regions, (unsigned long)cxlr);
-}
-
 static void cxl_port_detach_region(struct cxl_port *port,
 				   struct cxl_region *cxlr,
 				   struct cxl_endpoint_decoder *cxled)
@@ -1062,20 +1224,32 @@ static int cxl_region_attach(struct cxl_region *cxlr,
 	return rc;
 }
 
-static void cxl_region_detach(struct cxl_endpoint_decoder *cxled)
+static int cxl_region_detach(struct cxl_endpoint_decoder *cxled)
 {
 	struct cxl_port *iter, *ep_port = cxled_to_port(cxled);
 	struct cxl_region *cxlr = cxled->cxld.region;
 	struct cxl_region_params *p;
+	int rc = 0;
 
 	lockdep_assert_held_write(&cxl_region_rwsem);
 
 	if (!cxlr)
-		return;
+		return 0;
 
 	p = &cxlr->params;
 	get_device(&cxlr->dev);
 
+	if (p->state > CXL_CONFIG_ACTIVE) {
+		/*
+		 * TODO: tear down all impacted regions if a device is
+		 * removed out of order
+		 */
+		rc = cxl_region_decode_reset(cxlr, p->interleave_ways);
+		if (rc)
+			goto out;
+		p->state = CXL_CONFIG_ACTIVE;
+	}
+
 	for (iter = ep_port; !is_cxl_root(iter);
 	     iter = to_cxl_port(iter->dev.parent))
 		cxl_port_detach_region(iter, cxlr, cxled);
@@ -1103,6 +1277,7 @@ static void cxl_region_detach(struct cxl_endpoint_decoder *cxled)
 	down_write(&cxl_region_rwsem);
 out:
 	put_device(&cxlr->dev);
+	return rc;
 }
 
 void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled)
@@ -1160,8 +1335,7 @@ static int detach_target(struct cxl_region *cxlr, int pos)
 		goto out;
 	}
 
-	cxl_region_detach(p->targets[pos]);
-	rc = 0;
+	rc = cxl_region_detach(p->targets[pos]);
 out:
 	up_write(&cxl_region_rwsem);
 	return rc;
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 70862141209b..a51709613c43 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -54,6 +54,7 @@
 #define   CXL_HDM_DECODER0_CTRL_LOCK BIT(8)
 #define   CXL_HDM_DECODER0_CTRL_COMMIT BIT(9)
 #define   CXL_HDM_DECODER0_CTRL_COMMITTED BIT(10)
+#define   CXL_HDM_DECODER0_CTRL_COMMIT_ERROR BIT(11)
 #define   CXL_HDM_DECODER0_CTRL_TYPE BIT(12)
 #define CXL_HDM_DECODER0_TL_LOW(i) (0x20 * (i) + 0x24)
 #define CXL_HDM_DECODER0_TL_HIGH(i) (0x20 * (i) + 0x28)
@@ -257,7 +258,9 @@ enum cxl_decoder_type {
  * @target_type: accelerator vs expander (type2 vs type3) selector
  * @region: currently assigned region for this decoder
  * @flags: memory type capabilities and locking
- */
+ * @commit: device/decoder-type specific callback to commit settings to hw
+ * @reset: device/decoder-type specific callback to reset hw settings
+*/
 struct cxl_decoder {
 	struct device dev;
 	int id;
@@ -267,6 +270,8 @@ struct cxl_decoder {
 	enum cxl_decoder_type target_type;
 	struct cxl_region *region;
 	unsigned long flags;
+	int (*commit)(struct cxl_decoder *cxld);
+	int (*reset)(struct cxl_decoder *cxld);
 };
 
 /*
@@ -339,11 +344,15 @@ struct cxl_root_decoder {
  * changes to interleave_ways or interleave_granularity
  * @CXL_CONFIG_ACTIVE: All targets have been added the region is now
  * active
+ * @CXL_CONFIG_RESET_PENDING: see commit_store()
+ * @CXL_CONFIG_COMMIT: Soft-config has been committed to hardware
  */
 enum cxl_config_state {
 	CXL_CONFIG_IDLE,
 	CXL_CONFIG_INTERLEAVE_ACTIVE,
 	CXL_CONFIG_ACTIVE,
+	CXL_CONFIG_RESET_PENDING,
+	CXL_CONFIG_COMMIT,
 };
 
 /**
@@ -425,6 +434,7 @@ struct cxl_nvdimm {
  * @parent_dport: dport that points to this port in the parent
  * @decoder_ida: allocator for decoder ids
  * @hdm_end: track last allocated HDM decoder instance for allocation ordering
+ * @commit_end: cursor to track highest committed decoder for commit ordering
  * @component_reg_phys: component register capability base address (optional)
  * @dead: last ep has been removed, force port re-creation
  * @depth: How deep this port is relative to the root. depth 0 is the root.
@@ -440,6 +450,7 @@ struct cxl_port {
 	struct cxl_dport *parent_dport;
 	struct ida decoder_ida;
 	int hdm_end;
+	int commit_end;
 	resource_size_t component_reg_phys;
 	bool dead;
 	unsigned int depth;
diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c
index 4dad0fa7ac4c..a072b2d3e726 100644
--- a/tools/testing/cxl/test/cxl.c
+++ b/tools/testing/cxl/test/cxl.c
@@ -429,6 +429,50 @@ static int map_targets(struct device *dev, void *data)
 	return 0;
 }
 
+static int mock_decoder_commit(struct cxl_decoder *cxld)
+{
+	struct cxl_port *port = to_cxl_port(cxld->dev.parent);
+	int id = cxld->id;
+
+	if (cxld->flags & CXL_DECODER_F_ENABLE)
+		return 0;
+
+	dev_dbg(&port->dev, "%s commit\n", dev_name(&cxld->dev));
+	if (port->commit_end + 1 != id) {
+		dev_dbg(&port->dev,
+			"%s: out of order commit, expected decoder%d.%d\n",
+			dev_name(&cxld->dev), port->id, port->commit_end + 1);
+		return -EBUSY;
+	}
+
+	port->commit_end++;
+	cxld->flags |= CXL_DECODER_F_ENABLE;
+
+	return 0;
+}
+
+static int mock_decoder_reset(struct cxl_decoder *cxld)
+{
+	struct cxl_port *port = to_cxl_port(cxld->dev.parent);
+	int id = cxld->id;
+
+	if ((cxld->flags & CXL_DECODER_F_ENABLE) == 0)
+		return 0;
+
+	dev_dbg(&port->dev, "%s reset\n", dev_name(&cxld->dev));
+	if (port->commit_end != id) {
+		dev_dbg(&port->dev,
+			"%s: out of order reset, expected decoder%d.%d\n",
+			dev_name(&cxld->dev), port->id, port->commit_end);
+		return -EBUSY;
+	}
+
+	port->commit_end--;
+	cxld->flags &= ~CXL_DECODER_F_ENABLE;
+
+	return 0;
+}
+
 static int mock_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm)
 {
 	struct cxl_port *port = cxlhdm->port;
@@ -482,6 +526,8 @@ static int mock_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm)
 		cxld->interleave_ways = min_not_zero(target_count, 1);
 		cxld->interleave_granularity = SZ_4K;
 		cxld->target_type = CXL_DECODER_EXPANDER;
+		cxld->commit = mock_decoder_commit;
+		cxld->reset = mock_decoder_reset;
 
 		if (target_count) {
 			rc = device_for_each_child(port->uport, &ctx,

[PATCH v2 26/28] cxl/region: Add region driver boiler plate

[Dan Williams]

The CXL region driver is responsible for routing fully formed CXL
regions to one of libnvdimm, for persistent memory regions, device-dax
for volatile memory regions, or just act as an enumeration placeholder
if the region was setup and configuration locked by platform firmware.
In the platform-firmware-setup case the expectation is that region is
already accounted in the system memory map, i.e. already enabled as
"System RAM".

For now, just attach to CXL regions in the CXL_CONFIG_COMMIT state, and
take no further action.

Given this driver is just a small / simple router, include it in the
core rather than its own module.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220624041950.559155-18-dan.j.williams@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/core.h   |   12 ++++++++++++
 drivers/cxl/core/port.c   |    9 +++++++++
 drivers/cxl/core/region.c |   45 ++++++++++++++++++++++++++++++++++++++++++++-
 drivers/cxl/cxl.h         |    1 +
 4 files changed, 66 insertions(+), 1 deletion(-)

diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index fcf14b8a3c87..391aadf9e7fa 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -13,14 +13,26 @@ extern struct attribute_group cxl_base_attribute_group;
 extern struct device_attribute dev_attr_create_pmem_region;
 extern struct device_attribute dev_attr_delete_region;
 extern struct device_attribute dev_attr_region;
+extern const struct device_type cxl_region_type;
 void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled);
 #define CXL_REGION_ATTR(x) (&dev_attr_##x.attr)
+#define CXL_REGION_TYPE(x) (&cxl_region_type)
 #define SET_CXL_REGION_ATTR(x) (&dev_attr_##x.attr),
+int cxl_region_init(void);
+void cxl_region_exit(void);
 #else
 static inline void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled)
 {
 }
+static inline int cxl_region_init(void)
+{
+	return 0;
+}
+static inline void cxl_region_exit(void)
+{
+}
 #define CXL_REGION_ATTR(x) NULL
+#define CXL_REGION_TYPE(x) NULL
 #define SET_CXL_REGION_ATTR(x)
 #endif
 
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 7ab9a98c5d4f..194003525397 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -51,6 +51,8 @@ static int cxl_device_id(struct device *dev)
 	}
 	if (is_cxl_memdev(dev))
 		return CXL_DEVICE_MEMORY_EXPANDER;
+	if (dev->type == CXL_REGION_TYPE())
+		return CXL_DEVICE_REGION;
 	return 0;
 }
 
@@ -1864,8 +1866,14 @@ static __init int cxl_core_init(void)
 	if (rc)
 		goto err_bus;
 
+	rc = cxl_region_init();
+	if (rc)
+		goto err_region;
+
 	return 0;
 
+err_region:
+	bus_unregister(&cxl_bus_type);
 err_bus:
 	destroy_workqueue(cxl_bus_wq);
 err_wq:
@@ -1875,6 +1883,7 @@ static __init int cxl_core_init(void)
 
 static void cxl_core_exit(void)
 {
+	cxl_region_exit();
 	bus_unregister(&cxl_bus_type);
 	destroy_workqueue(cxl_bus_wq);
 	cxl_memdev_exit();
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index de794344d964..20871bdb6858 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -1444,7 +1444,7 @@ static void cxl_region_release(struct device *dev)
 	kfree(cxlr);
 }
 
-static const struct device_type cxl_region_type = {
+const struct device_type cxl_region_type = {
 	.name = "cxl_region",
 	.release = cxl_region_release,
 	.groups = region_groups
@@ -1644,4 +1644,47 @@ static ssize_t delete_region_store(struct device *dev,
 }
 DEVICE_ATTR_WO(delete_region);
 
+static int cxl_region_probe(struct device *dev)
+{
+	struct cxl_region *cxlr = to_cxl_region(dev);
+	struct cxl_region_params *p = &cxlr->params;
+	int rc;
+
+	rc = down_read_interruptible(&cxl_region_rwsem);
+	if (rc) {
+		dev_dbg(&cxlr->dev, "probe interrupted\n");
+		return rc;
+	}
+
+	if (p->state < CXL_CONFIG_COMMIT) {
+		dev_dbg(&cxlr->dev, "config state: %d\n", p->state);
+		rc = -ENXIO;
+	}
+
+	/*
+	 * From this point on any path that changes the region's state away from
+	 * CXL_CONFIG_COMMIT is also responsible for releasing the driver.
+	 */
+	up_read(&cxl_region_rwsem);
+
+	return rc;
+}
+
+static struct cxl_driver cxl_region_driver = {
+	.name = "cxl_region",
+	.probe = cxl_region_probe,
+	.id = CXL_DEVICE_REGION,
+};
+
+int cxl_region_init(void)
+{
+	return cxl_driver_register(&cxl_region_driver);
+}
+
+void cxl_region_exit(void)
+{
+	cxl_driver_unregister(&cxl_region_driver);
+}
+
 MODULE_IMPORT_NS(CXL);
+MODULE_ALIAS_CXL(CXL_DEVICE_REGION);
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index a51709613c43..9aedd471193a 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -592,6 +592,7 @@ void cxl_driver_unregister(struct cxl_driver *cxl_drv);
 #define CXL_DEVICE_PORT			3
 #define CXL_DEVICE_ROOT			4
 #define CXL_DEVICE_MEMORY_EXPANDER	5
+#define CXL_DEVICE_REGION		6
 
 #define MODULE_ALIAS_CXL(type) MODULE_ALIAS("cxl:t" __stringify(type) "*")
 #define CXL_MODALIAS_FMT "cxl:t%d"

[PATCH v2 27/28] cxl/pmem: Fix offline_nvdimm_bus() to offline by bridge

[Dan Williams]

Be careful to only disable cxl_pmem objects related to a given
cxl_nvdimm_bridge. Otherwise, offline_nvdimm_bus() reaches across CXL
domains and disables more than is expected.

Fixes: 21083f51521f ("cxl/pmem: Register 'pmem' / cxl_nvdimm devices")
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/cxl.h  |    1 +
 drivers/cxl/pmem.c |   21 +++++++++++++++++----
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 9aedd471193a..a32093602df9 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -418,6 +418,7 @@ struct cxl_nvdimm_bridge {
 struct cxl_nvdimm {
 	struct device dev;
 	struct cxl_memdev *cxlmd;
+	struct cxl_nvdimm_bridge *bridge;
 };
 
 /**
diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c
index 0aaa70b4e0f7..b271f6e90b91 100644
--- a/drivers/cxl/pmem.c
+++ b/drivers/cxl/pmem.c
@@ -26,7 +26,10 @@ static void clear_exclusive(void *cxlds)
 
 static void unregister_nvdimm(void *nvdimm)
 {
+	struct cxl_nvdimm *cxl_nvd = nvdimm_provider_data(nvdimm);
+
 	nvdimm_delete(nvdimm);
+	cxl_nvd->bridge = NULL;
 }
 
 static int cxl_nvdimm_probe(struct device *dev)
@@ -66,6 +69,7 @@ static int cxl_nvdimm_probe(struct device *dev)
 	}
 
 	dev_set_drvdata(dev, nvdimm);
+	cxl_nvd->bridge = cxl_nvb;
 	rc = devm_add_action_or_reset(dev, unregister_nvdimm, nvdimm);
 out:
 	device_unlock(&cxl_nvb->dev);
@@ -204,15 +208,23 @@ static bool online_nvdimm_bus(struct cxl_nvdimm_bridge *cxl_nvb)
 	return cxl_nvb->nvdimm_bus != NULL;
 }
 
-static int cxl_nvdimm_release_driver(struct device *dev, void *data)
+static int cxl_nvdimm_release_driver(struct device *dev, void *cxl_nvb)
 {
+	struct cxl_nvdimm *cxl_nvd;
+
 	if (!is_cxl_nvdimm(dev))
 		return 0;
+
+	cxl_nvd = to_cxl_nvdimm(dev);
+	if (cxl_nvd->bridge != cxl_nvb)
+		return 0;
+
 	device_release_driver(dev);
 	return 0;
 }
 
-static void offline_nvdimm_bus(struct nvdimm_bus *nvdimm_bus)
+static void offline_nvdimm_bus(struct cxl_nvdimm_bridge *cxl_nvb,
+			       struct nvdimm_bus *nvdimm_bus)
 {
 	if (!nvdimm_bus)
 		return;
@@ -222,7 +234,8 @@ static void offline_nvdimm_bus(struct nvdimm_bus *nvdimm_bus)
 	 * nvdimm_bus_unregister() rips the nvdimm objects out from
 	 * underneath them.
 	 */
-	bus_for_each_dev(&cxl_bus_type, NULL, NULL, cxl_nvdimm_release_driver);
+	bus_for_each_dev(&cxl_bus_type, NULL, cxl_nvb,
+			 cxl_nvdimm_release_driver);
 	nvdimm_bus_unregister(nvdimm_bus);
 }
 
@@ -260,7 +273,7 @@ static void cxl_nvb_update_state(struct work_struct *work)
 
 		dev_dbg(&cxl_nvb->dev, "rescan: %d\n", rc);
 	}
-	offline_nvdimm_bus(victim_bus);
+	offline_nvdimm_bus(cxl_nvb, victim_bus);
 
 	put_device(&cxl_nvb->dev);
 }

[PATCH v2 28/28] cxl/region: Introduce cxl_pmem_region objects

[Dan Williams]

The LIBNVDIMM subsystem is a platform agnostic representation of system
NVDIMM / persistent memory resources. To date, the CXL subsystem's
interaction with LIBNVDIMM has been to register an nvdimm-bridge device
and cxl_nvdimm objects to proxy CXL capabilities into existing LIBNVDIMM
subsystem mechanics.

With regions the approach is the same. Create a new cxl_pmem_region
object to proxy CXL region details into a LIBNVDIMM definition. With
this enabling LIBNVDIMM can partition CXL persistent memory regions with
legacy namespace labels. A follow-on patch will add CXL region label and
CXL namespace label support to persist region configurations across
driver reload / system-reset events.

Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/core/core.h      |    3 +
 drivers/cxl/core/pmem.c      |    4 -
 drivers/cxl/core/port.c      |    2 
 drivers/cxl/core/region.c    |  142 +++++++++++++++++++++++++
 drivers/cxl/cxl.h            |   36 ++++++
 drivers/cxl/pmem.c           |  238 ++++++++++++++++++++++++++++++++++++++++++
 drivers/nvdimm/region_devs.c |   28 ++++-
 include/linux/libnvdimm.h    |    5 +
 8 files changed, 446 insertions(+), 12 deletions(-)

diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index 391aadf9e7fa..1d8f87be283f 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -13,11 +13,13 @@ extern struct attribute_group cxl_base_attribute_group;
 extern struct device_attribute dev_attr_create_pmem_region;
 extern struct device_attribute dev_attr_delete_region;
 extern struct device_attribute dev_attr_region;
+extern const struct device_type cxl_pmem_region_type;
 extern const struct device_type cxl_region_type;
 void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled);
 #define CXL_REGION_ATTR(x) (&dev_attr_##x.attr)
 #define CXL_REGION_TYPE(x) (&cxl_region_type)
 #define SET_CXL_REGION_ATTR(x) (&dev_attr_##x.attr),
+#define CXL_PMEM_REGION_TYPE(x) (&cxl_pmem_region_type)
 int cxl_region_init(void);
 void cxl_region_exit(void);
 #else
@@ -34,6 +36,7 @@ static inline void cxl_region_exit(void)
 #define CXL_REGION_ATTR(x) NULL
 #define CXL_REGION_TYPE(x) NULL
 #define SET_CXL_REGION_ATTR(x)
+#define CXL_PMEM_REGION_TYPE(x) NULL
 #endif
 
 struct cxl_send_command;
diff --git a/drivers/cxl/core/pmem.c b/drivers/cxl/core/pmem.c
index bec7cfb54ebf..1d12a8206444 100644
--- a/drivers/cxl/core/pmem.c
+++ b/drivers/cxl/core/pmem.c
@@ -62,9 +62,9 @@ static int match_nvdimm_bridge(struct device *dev, void *data)
 	return is_cxl_nvdimm_bridge(dev);
 }
 
-struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct cxl_nvdimm *cxl_nvd)
+struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct device *start)
 {
-	struct cxl_port *port = find_cxl_root(&cxl_nvd->dev);
+	struct cxl_port *port = find_cxl_root(start);
 	struct device *dev;
 
 	if (!port)
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 194003525397..af65491d878b 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -44,6 +44,8 @@ static int cxl_device_id(struct device *dev)
 		return CXL_DEVICE_NVDIMM_BRIDGE;
 	if (dev->type == &cxl_nvdimm_type)
 		return CXL_DEVICE_NVDIMM;
+	if (dev->type == CXL_PMEM_REGION_TYPE())
+		return CXL_DEVICE_PMEM_REGION;
 	if (is_cxl_port(dev)) {
 		if (is_cxl_root(to_cxl_port(dev)))
 			return CXL_DEVICE_ROOT;
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 20871bdb6858..23d1a34077be 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -1644,6 +1644,139 @@ static ssize_t delete_region_store(struct device *dev,
 }
 DEVICE_ATTR_WO(delete_region);
 
+static void cxl_pmem_region_release(struct device *dev)
+{
+	struct cxl_pmem_region *cxlr_pmem = to_cxl_pmem_region(dev);
+	int i;
+
+	for (i = 0; i < cxlr_pmem->nr_mappings; i++) {
+		struct cxl_memdev *cxlmd = cxlr_pmem->mapping[i].cxlmd;
+
+		put_device(&cxlmd->dev);
+	}
+
+	kfree(cxlr_pmem);
+}
+
+static const struct attribute_group *cxl_pmem_region_attribute_groups[] = {
+	&cxl_base_attribute_group,
+	NULL,
+};
+
+const struct device_type cxl_pmem_region_type = {
+	.name = "cxl_pmem_region",
+	.release = cxl_pmem_region_release,
+	.groups = cxl_pmem_region_attribute_groups,
+};
+
+bool is_cxl_pmem_region(struct device *dev)
+{
+	return dev->type == &cxl_pmem_region_type;
+}
+EXPORT_SYMBOL_NS_GPL(is_cxl_pmem_region, CXL);
+
+struct cxl_pmem_region *to_cxl_pmem_region(struct device *dev)
+{
+	if (dev_WARN_ONCE(dev, !is_cxl_pmem_region(dev),
+			  "not a cxl_pmem_region device\n"))
+		return NULL;
+	return container_of(dev, struct cxl_pmem_region, dev);
+}
+EXPORT_SYMBOL_NS_GPL(to_cxl_pmem_region, CXL);
+
+static struct lock_class_key cxl_pmem_region_key;
+
+static struct cxl_pmem_region *cxl_pmem_region_alloc(struct cxl_region *cxlr)
+{
+	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_pmem_region *cxlr_pmem;
+	struct device *dev;
+	int i;
+
+	down_read(&cxl_region_rwsem);
+	if (p->state != CXL_CONFIG_COMMIT) {
+		cxlr_pmem = ERR_PTR(-ENXIO);
+		goto out;
+	}
+
+	cxlr_pmem = kzalloc(struct_size(cxlr_pmem, mapping, p->nr_targets),
+			    GFP_KERNEL);
+	if (!cxlr_pmem) {
+		cxlr_pmem = ERR_PTR(-ENOMEM);
+		goto out;
+	}
+
+	cxlr_pmem->hpa_range.start = p->res->start;
+	cxlr_pmem->hpa_range.end = p->res->end;
+
+	/* Snapshot the region configuration underneath the cxl_region_rwsem */
+	cxlr_pmem->nr_mappings = p->nr_targets;
+	for (i = 0; i < p->nr_targets; i++) {
+		struct cxl_endpoint_decoder *cxled = p->targets[i];
+		struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
+		struct cxl_pmem_region_mapping *m = &cxlr_pmem->mapping[i];
+
+		m->cxlmd = cxlmd;
+		get_device(&cxlmd->dev);
+		m->start = cxled->dpa_res->start;
+		m->size = resource_size(cxled->dpa_res);
+		m->position = i;
+	}
+
+	dev = &cxlr_pmem->dev;
+	cxlr_pmem->cxlr = cxlr;
+	device_initialize(dev);
+	lockdep_set_class(&dev->mutex, &cxl_pmem_region_key);
+	device_set_pm_not_required(dev);
+	dev->parent = &cxlr->dev;
+	dev->bus = &cxl_bus_type;
+	dev->type = &cxl_pmem_region_type;
+out:
+	up_read(&cxl_region_rwsem);
+
+	return cxlr_pmem;
+}
+
+static void cxlr_pmem_unregister(void *dev)
+{
+	device_unregister(dev);
+}
+
+/**
+ * devm_cxl_add_pmem_region() - add a cxl_region-to-nd_region bridge
+ * @cxlr: parent CXL region for this pmem region bridge device
+ *
+ * Return: 0 on success negative error code on failure.
+ */
+static int devm_cxl_add_pmem_region(struct cxl_region *cxlr)
+{
+	struct cxl_pmem_region *cxlr_pmem;
+	struct device *dev;
+	int rc;
+
+	cxlr_pmem = cxl_pmem_region_alloc(cxlr);
+	if (IS_ERR(cxlr_pmem))
+		return PTR_ERR(cxlr_pmem);
+
+	dev = &cxlr_pmem->dev;
+	rc = dev_set_name(dev, "pmem_region%d", cxlr->id);
+	if (rc)
+		goto err;
+
+	rc = device_add(dev);
+	if (rc)
+		goto err;
+
+	dev_dbg(&cxlr->dev, "%s: register %s\n", dev_name(dev->parent),
+		dev_name(dev));
+
+	return devm_add_action_or_reset(&cxlr->dev, cxlr_pmem_unregister, dev);
+
+err:
+	put_device(dev);
+	return rc;
+}
+
 static int cxl_region_probe(struct device *dev)
 {
 	struct cxl_region *cxlr = to_cxl_region(dev);
@@ -1667,7 +1800,14 @@ static int cxl_region_probe(struct device *dev)
 	 */
 	up_read(&cxl_region_rwsem);
 
-	return rc;
+	switch (cxlr->mode) {
+	case CXL_DECODER_PMEM:
+		return devm_cxl_add_pmem_region(cxlr);
+	default:
+		dev_dbg(&cxlr->dev, "unsupported region mode: %d\n",
+			cxlr->mode);
+		return -ENXIO;
+	}
 }
 
 static struct cxl_driver cxl_region_driver = {
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index a32093602df9..8a484acbb32d 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -419,6 +419,25 @@ struct cxl_nvdimm {
 	struct device dev;
 	struct cxl_memdev *cxlmd;
 	struct cxl_nvdimm_bridge *bridge;
+	struct cxl_pmem_region *region;
+};
+
+struct cxl_pmem_region_mapping {
+	struct cxl_memdev *cxlmd;
+	struct cxl_nvdimm *cxl_nvd;
+	u64 start;
+	u64 size;
+	int position;
+};
+
+struct cxl_pmem_region {
+	struct device dev;
+	struct cxl_region *cxlr;
+	struct nd_region *nd_region;
+	struct cxl_nvdimm_bridge *bridge;
+	struct range hpa_range;
+	int nr_mappings;
+	struct cxl_pmem_region_mapping mapping[];
 };
 
 /**
@@ -594,6 +613,7 @@ void cxl_driver_unregister(struct cxl_driver *cxl_drv);
 #define CXL_DEVICE_ROOT			4
 #define CXL_DEVICE_MEMORY_EXPANDER	5
 #define CXL_DEVICE_REGION		6
+#define CXL_DEVICE_PMEM_REGION		7
 
 #define MODULE_ALIAS_CXL(type) MODULE_ALIAS("cxl:t" __stringify(type) "*")
 #define CXL_MODALIAS_FMT "cxl:t%d"
@@ -605,7 +625,21 @@ struct cxl_nvdimm *to_cxl_nvdimm(struct device *dev);
 bool is_cxl_nvdimm(struct device *dev);
 bool is_cxl_nvdimm_bridge(struct device *dev);
 int devm_cxl_add_nvdimm(struct device *host, struct cxl_memdev *cxlmd);
-struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct cxl_nvdimm *cxl_nvd);
+struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct device *dev);
+
+#ifdef CONFIG_CXL_REGION
+bool is_cxl_pmem_region(struct device *dev);
+struct cxl_pmem_region *to_cxl_pmem_region(struct device *dev);
+#else
+static inline bool is_cxl_pmem_region(struct device *dev)
+{
+	return false;
+}
+static inline struct cxl_pmem_region *to_cxl_pmem_region(struct device *dev)
+{
+	return NULL;
+}
+#endif
 
 /*
  * Unit test builds overrides this to __weak, find the 'strong' version
diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c
index b271f6e90b91..e69f99a0747d 100644
--- a/drivers/cxl/pmem.c
+++ b/drivers/cxl/pmem.c
@@ -7,6 +7,7 @@
 #include <linux/ndctl.h>
 #include <linux/async.h>
 #include <linux/slab.h>
+#include <linux/nd.h>
 #include "cxlmem.h"
 #include "cxl.h"
 
@@ -27,6 +28,19 @@ static void clear_exclusive(void *cxlds)
 static void unregister_nvdimm(void *nvdimm)
 {
 	struct cxl_nvdimm *cxl_nvd = nvdimm_provider_data(nvdimm);
+	struct cxl_nvdimm_bridge *cxl_nvb = cxl_nvd->bridge;
+	struct cxl_pmem_region *cxlr_pmem;
+
+	device_lock(&cxl_nvb->dev);
+	cxlr_pmem = cxl_nvd->region;
+	dev_set_drvdata(&cxl_nvd->dev, NULL);
+	cxl_nvd->region = NULL;
+	device_unlock(&cxl_nvb->dev);
+
+	if (cxlr_pmem) {
+		device_release_driver(&cxlr_pmem->dev);
+		put_device(&cxlr_pmem->dev);
+	}
 
 	nvdimm_delete(nvdimm);
 	cxl_nvd->bridge = NULL;
@@ -42,7 +56,7 @@ static int cxl_nvdimm_probe(struct device *dev)
 	struct nvdimm *nvdimm;
 	int rc;
 
-	cxl_nvb = cxl_find_nvdimm_bridge(cxl_nvd);
+	cxl_nvb = cxl_find_nvdimm_bridge(dev);
 	if (!cxl_nvb)
 		return -ENXIO;
 
@@ -223,6 +237,21 @@ static int cxl_nvdimm_release_driver(struct device *dev, void *cxl_nvb)
 	return 0;
 }
 
+static int cxl_pmem_region_release_driver(struct device *dev, void *cxl_nvb)
+{
+	struct cxl_pmem_region *cxlr_pmem;
+
+	if (!is_cxl_pmem_region(dev))
+		return 0;
+
+	cxlr_pmem = to_cxl_pmem_region(dev);
+	if (cxlr_pmem->bridge != cxl_nvb)
+		return 0;
+
+	device_release_driver(dev);
+	return 0;
+}
+
 static void offline_nvdimm_bus(struct cxl_nvdimm_bridge *cxl_nvb,
 			       struct nvdimm_bus *nvdimm_bus)
 {
@@ -234,6 +263,8 @@ static void offline_nvdimm_bus(struct cxl_nvdimm_bridge *cxl_nvb,
 	 * nvdimm_bus_unregister() rips the nvdimm objects out from
 	 * underneath them.
 	 */
+	bus_for_each_dev(&cxl_bus_type, NULL, cxl_nvb,
+			 cxl_pmem_region_release_driver);
 	bus_for_each_dev(&cxl_bus_type, NULL, cxl_nvb,
 			 cxl_nvdimm_release_driver);
 	nvdimm_bus_unregister(nvdimm_bus);
@@ -328,6 +359,203 @@ static struct cxl_driver cxl_nvdimm_bridge_driver = {
 	.id = CXL_DEVICE_NVDIMM_BRIDGE,
 };
 
+static int match_cxl_nvdimm(struct device *dev, void *data)
+{
+	return is_cxl_nvdimm(dev);
+}
+
+static void unregister_nvdimm_region(void *nd_region)
+{
+	struct cxl_nvdimm_bridge *cxl_nvb;
+	struct cxl_pmem_region *cxlr_pmem;
+	int i;
+
+	cxlr_pmem = nd_region_provider_data(nd_region);
+	cxl_nvb = cxlr_pmem->bridge;
+	device_lock(&cxl_nvb->dev);
+	for (i = 0; i < cxlr_pmem->nr_mappings; i++) {
+		struct cxl_pmem_region_mapping *m = &cxlr_pmem->mapping[i];
+		struct cxl_nvdimm *cxl_nvd = m->cxl_nvd;
+
+		if (cxl_nvd->region) {
+			put_device(&cxlr_pmem->dev);
+			cxl_nvd->region = NULL;
+		}
+	}
+	device_unlock(&cxl_nvb->dev);
+
+	nvdimm_region_delete(nd_region);
+}
+
+static void cxlr_pmem_remove_resource(void *res)
+{
+	remove_resource(res);
+}
+
+struct cxl_pmem_region_info {
+	u64 offset;
+	u64 serial;
+};
+
+static int cxl_pmem_region_probe(struct device *dev)
+{
+	struct nd_mapping_desc mappings[CXL_DECODER_MAX_INTERLEAVE];
+	struct cxl_pmem_region *cxlr_pmem = to_cxl_pmem_region(dev);
+	struct cxl_region *cxlr = cxlr_pmem->cxlr;
+	struct cxl_pmem_region_info *info = NULL;
+	struct cxl_nvdimm_bridge *cxl_nvb;
+	struct nd_interleave_set *nd_set;
+	struct nd_region_desc ndr_desc;
+	struct cxl_nvdimm *cxl_nvd;
+	struct nvdimm *nvdimm;
+	struct resource *res;
+	int rc, i = 0;
+
+	cxl_nvb = cxl_find_nvdimm_bridge(&cxlr_pmem->mapping[0].cxlmd->dev);
+	if (!cxl_nvb) {
+		dev_dbg(dev, "bridge not found\n");
+		return -ENXIO;
+	}
+	cxlr_pmem->bridge = cxl_nvb;
+
+	device_lock(&cxl_nvb->dev);
+	if (!cxl_nvb->nvdimm_bus) {
+		dev_dbg(dev, "nvdimm bus not found\n");
+		rc = -ENXIO;
+		goto err;
+	}
+
+	memset(&mappings, 0, sizeof(mappings));
+	memset(&ndr_desc, 0, sizeof(ndr_desc));
+
+	res = devm_kzalloc(dev, sizeof(*res), GFP_KERNEL);
+	if (!res) {
+		rc = -ENOMEM;
+		goto err;
+	}
+
+	res->name = "Persistent Memory";
+	res->start = cxlr_pmem->hpa_range.start;
+	res->end = cxlr_pmem->hpa_range.end;
+	res->flags = IORESOURCE_MEM;
+	res->desc = IORES_DESC_PERSISTENT_MEMORY;
+
+	rc = insert_resource(&iomem_resource, res);
+	if (rc)
+		goto err;
+
+	rc = devm_add_action_or_reset(dev, cxlr_pmem_remove_resource, res);
+	if (rc)
+		goto err;
+
+	ndr_desc.res = res;
+	ndr_desc.provider_data = cxlr_pmem;
+
+	ndr_desc.numa_node = memory_add_physaddr_to_nid(res->start);
+	ndr_desc.target_node = phys_to_target_node(res->start);
+	if (ndr_desc.target_node == NUMA_NO_NODE) {
+		ndr_desc.target_node = ndr_desc.numa_node;
+		dev_dbg(&cxlr->dev, "changing target node from %d to %d",
+			NUMA_NO_NODE, ndr_desc.target_node);
+	}
+
+	nd_set = devm_kzalloc(dev, sizeof(*nd_set), GFP_KERNEL);
+	if (!nd_set) {
+		rc = -ENOMEM;
+		goto err;
+	}
+
+	ndr_desc.memregion = cxlr->id;
+	set_bit(ND_REGION_CXL, &ndr_desc.flags);
+	set_bit(ND_REGION_PERSIST_MEMCTRL, &ndr_desc.flags);
+
+	info = kmalloc_array(cxlr_pmem->nr_mappings, sizeof(*info), GFP_KERNEL);
+	if (!info) {
+		rc = -ENOMEM;
+		goto err;
+	}
+
+	for (i = 0; i < cxlr_pmem->nr_mappings; i++) {
+		struct cxl_pmem_region_mapping *m = &cxlr_pmem->mapping[i];
+		struct cxl_memdev *cxlmd = m->cxlmd;
+		struct cxl_dev_state *cxlds = cxlmd->cxlds;
+		struct device *d;
+
+		d = device_find_child(&cxlmd->dev, NULL, match_cxl_nvdimm);
+		if (!d) {
+			dev_dbg(dev, "[%d]: %s: no cxl_nvdimm found\n", i,
+				dev_name(&cxlmd->dev));
+			rc = -ENODEV;
+			goto err;
+		}
+
+		/* safe to drop ref now with bridge lock held */
+		put_device(d);
+
+		cxl_nvd = to_cxl_nvdimm(d);
+		nvdimm = dev_get_drvdata(&cxl_nvd->dev);
+		if (!nvdimm) {
+			dev_dbg(dev, "[%d]: %s: no nvdimm found\n", i,
+				dev_name(&cxlmd->dev));
+			rc = -ENODEV;
+			goto err;
+		}
+		cxl_nvd->region = cxlr_pmem;
+		get_device(&cxlr_pmem->dev);
+		m->cxl_nvd = cxl_nvd;
+		mappings[i] = (struct nd_mapping_desc) {
+			.nvdimm = nvdimm,
+			.start = m->start,
+			.size = m->size,
+			.position = i,
+		};
+		info[i].offset = m->start;
+		info[i].serial = cxlds->serial;
+	}
+	ndr_desc.num_mappings = cxlr_pmem->nr_mappings;
+	ndr_desc.mapping = mappings;
+
+	/*
+	 * TODO enable CXL labels which skip the need for 'interleave-set cookie'
+	 */
+	nd_set->cookie1 =
+		nd_fletcher64(info, sizeof(*info) * cxlr_pmem->nr_mappings, 0);
+	nd_set->cookie2 = nd_set->cookie1;
+	ndr_desc.nd_set = nd_set;
+
+	cxlr_pmem->nd_region =
+		nvdimm_pmem_region_create(cxl_nvb->nvdimm_bus, &ndr_desc);
+	if (IS_ERR(cxlr_pmem->nd_region)) {
+		rc = PTR_ERR(cxlr_pmem->nd_region);
+		goto err;
+	}
+
+	rc = devm_add_action_or_reset(dev, unregister_nvdimm_region,
+				      cxlr_pmem->nd_region);
+out:
+	kfree(info);
+	device_unlock(&cxl_nvb->dev);
+	put_device(&cxl_nvb->dev);
+
+	return rc;
+
+err:
+	dev_dbg(dev, "failed to create nvdimm region\n");
+	for (i--; i >= 0; i--) {
+		nvdimm = mappings[i].nvdimm;
+		cxl_nvd = nvdimm_provider_data(nvdimm);
+		put_device(&cxl_nvd->region->dev);
+		cxl_nvd->region = NULL;
+	}
+	goto out;
+}
+
+static struct cxl_driver cxl_pmem_region_driver = {
+	.name = "cxl_pmem_region",
+	.probe = cxl_pmem_region_probe,
+	.id = CXL_DEVICE_PMEM_REGION,
+};
+
 /*
  * Return all bridges to the CXL_NVB_NEW state to invalidate any
  * ->state_work referring to the now destroyed cxl_pmem_wq.
@@ -372,8 +600,14 @@ static __init int cxl_pmem_init(void)
 	if (rc)
 		goto err_nvdimm;
 
+	rc = cxl_driver_register(&cxl_pmem_region_driver);
+	if (rc)
+		goto err_region;
+
 	return 0;
 
+err_region:
+	cxl_driver_unregister(&cxl_nvdimm_driver);
 err_nvdimm:
 	cxl_driver_unregister(&cxl_nvdimm_bridge_driver);
 err_bridge:
@@ -383,6 +617,7 @@ static __init int cxl_pmem_init(void)
 
 static __exit void cxl_pmem_exit(void)
 {
+	cxl_driver_unregister(&cxl_pmem_region_driver);
 	cxl_driver_unregister(&cxl_nvdimm_driver);
 	cxl_driver_unregister(&cxl_nvdimm_bridge_driver);
 	destroy_cxl_pmem_wq();
@@ -394,3 +629,4 @@ module_exit(cxl_pmem_exit);
 MODULE_IMPORT_NS(CXL);
 MODULE_ALIAS_CXL(CXL_DEVICE_NVDIMM_BRIDGE);
 MODULE_ALIAS_CXL(CXL_DEVICE_NVDIMM);
+MODULE_ALIAS_CXL(CXL_DEVICE_PMEM_REGION);
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index d976260eca7a..473a71bbd9c9 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -133,7 +133,8 @@ static void nd_region_release(struct device *dev)
 		put_device(&nvdimm->dev);
 	}
 	free_percpu(nd_region->lane);
-	memregion_free(nd_region->id);
+	if (!test_bit(ND_REGION_CXL, &nd_region->flags))
+		memregion_free(nd_region->id);
 	kfree(nd_region);
 }
 
@@ -982,9 +983,14 @@ static struct nd_region *nd_region_create(struct nvdimm_bus *nvdimm_bus,
 
 	if (!nd_region)
 		return NULL;
-	nd_region->id = memregion_alloc(GFP_KERNEL);
-	if (nd_region->id < 0)
-		goto err_id;
+	/* CXL pre-assigns memregion ids before creating nvdimm regions */
+	if (test_bit(ND_REGION_CXL, &ndr_desc->flags)) {
+		nd_region->id = ndr_desc->memregion;
+	} else {
+		nd_region->id = memregion_alloc(GFP_KERNEL);
+		if (nd_region->id < 0)
+			goto err_id;
+	}
 
 	nd_region->lane = alloc_percpu(struct nd_percpu_lane);
 	if (!nd_region->lane)
@@ -1043,9 +1049,10 @@ static struct nd_region *nd_region_create(struct nvdimm_bus *nvdimm_bus,
 
 	return nd_region;
 
- err_percpu:
-	memregion_free(nd_region->id);
- err_id:
+err_percpu:
+	if (!test_bit(ND_REGION_CXL, &ndr_desc->flags))
+		memregion_free(nd_region->id);
+err_id:
 	kfree(nd_region);
 	return NULL;
 }
@@ -1068,6 +1075,13 @@ struct nd_region *nvdimm_volatile_region_create(struct nvdimm_bus *nvdimm_bus,
 }
 EXPORT_SYMBOL_GPL(nvdimm_volatile_region_create);
 
+void nvdimm_region_delete(struct nd_region *nd_region)
+{
+	if (nd_region)
+		nd_device_unregister(&nd_region->dev, ND_SYNC);
+}
+EXPORT_SYMBOL_GPL(nvdimm_region_delete);
+
 int nvdimm_flush(struct nd_region *nd_region, struct bio *bio)
 {
 	int rc = 0;
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h
index 0d61e07b6827..c74acfa1a3fe 100644
--- a/include/linux/libnvdimm.h
+++ b/include/linux/libnvdimm.h
@@ -59,6 +59,9 @@ enum {
 	/* Platform provides asynchronous flush mechanism */
 	ND_REGION_ASYNC = 3,
 
+	/* Region was created by CXL subsystem */
+	ND_REGION_CXL = 4,
+
 	/* mark newly adjusted resources as requiring a label update */
 	DPA_RESOURCE_ADJUSTED = 1 << 0,
 };
@@ -122,6 +125,7 @@ struct nd_region_desc {
 	int numa_node;
 	int target_node;
 	unsigned long flags;
+	int memregion;
 	struct device_node *of_node;
 	int (*flush)(struct nd_region *nd_region, struct bio *bio);
 };
@@ -259,6 +263,7 @@ static inline struct nvdimm *nvdimm_create(struct nvdimm_bus *nvdimm_bus,
 			cmd_mask, num_flush, flush_wpq, NULL, NULL, NULL);
 }
 void nvdimm_delete(struct nvdimm *nvdimm);
+void nvdimm_region_delete(struct nd_region *nd_region);
 
 const struct nd_cmd_desc *nd_cmd_dimm_desc(int cmd);
 const struct nd_cmd_desc *nd_cmd_bus_desc(int cmd);

Re: [PATCH v2 02/28] cxl/core: Define a 'struct cxl_switch_decoder'

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 5787 bytes --]

Hi Dan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on b060edfd8cdd52bc8648392500bf152a8dd6d4c5]

url:    https://github.com/intel-lab-lkp/linux/commits/Dan-Williams/CXL-PMEM-Region-Provisioning/20220715-080748
base:   b060edfd8cdd52bc8648392500bf152a8dd6d4c5
config: riscv-randconfig-r005-20220714
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 2da550140aa98cf6a3e96417c87f1e89e3a26047)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/1fb44d68df6b2656f0d2c8dbe7437620a867c950
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Dan-Williams/CXL-PMEM-Region-Provisioning/20220715-080748
        git checkout 1fb44d68df6b2656f0d2c8dbe7437620a867c950
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/cxl/core/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/cxl/core/port.c:1221: warning: expecting prototype for cxl_decoder_alloc(). Prototype was for cxl_decoder_init() instead


vim +1221 drivers/cxl/core/port.c

3750d013182b071 drivers/cxl/core/port.c Dan Williams 2022-04-21  1209  
d54c1bbe2d34e30 drivers/cxl/core/port.c Ben Widawsky 2022-01-31  1210  /**
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1211   * cxl_decoder_alloc - Common decoder setup / initialization
d54c1bbe2d34e30 drivers/cxl/core/port.c Ben Widawsky 2022-01-31  1212   * @port: owning port of this decoder
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1213   * @cxld: common decoder properties to initialize
d54c1bbe2d34e30 drivers/cxl/core/port.c Ben Widawsky 2022-01-31  1214   *
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1215   * A port may contain one or more decoders. Each of those decoders
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1216   * enable some address space for CXL.mem utilization. A decoder is
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1217   * expected to be configured by the caller before registering via
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1218   * cxl_decoder_add()
d54c1bbe2d34e30 drivers/cxl/core/port.c Ben Widawsky 2022-01-31  1219   */
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1220  static int cxl_decoder_init(struct cxl_port *port, struct cxl_decoder *cxld)
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09 @1221  {
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1222  	struct device *dev;
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1223  	int rc;
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1224  
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1225  	rc = ida_alloc(&port->decoder_ida, GFP_KERNEL);
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1226  	if (rc < 0)
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1227  		return rc;
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1228  
74be98774dfbc5b drivers/cxl/core/port.c Dan Williams 2022-02-16  1229  	/* need parent to stick around to release the id */
74be98774dfbc5b drivers/cxl/core/port.c Dan Williams 2022-02-16  1230  	get_device(&port->dev);
48667f676189ecc drivers/cxl/core/bus.c  Dan Williams 2021-09-21  1231  	cxld->id = rc;
74be98774dfbc5b drivers/cxl/core/port.c Dan Williams 2022-02-16  1232  
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1233  	dev = &cxld->dev;
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1234  	device_initialize(dev);
3750d013182b071 drivers/cxl/core/port.c Dan Williams 2022-04-21  1235  	lockdep_set_class(&dev->mutex, &cxl_decoder_key);
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1236  	device_set_pm_not_required(dev);
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1237  	dev->parent = &port->dev;
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1238  	dev->bus = &cxl_bus_type;
40ba17afdfabb01 drivers/cxl/core.c      Dan Williams 2021-06-09  1239  
d2b61ed2ff63fd9 drivers/cxl/core/port.c Ben Widawsky 2022-01-23  1240  	/* Pre initialize an "empty" decoder */
d2b61ed2ff63fd9 drivers/cxl/core/port.c Ben Widawsky 2022-01-23  1241  	cxld->interleave_ways = 1;
d2b61ed2ff63fd9 drivers/cxl/core/port.c Ben Widawsky 2022-01-23  1242  	cxld->interleave_granularity = PAGE_SIZE;
d2b61ed2ff63fd9 drivers/cxl/core/port.c Ben Widawsky 2022-01-23  1243  	cxld->target_type = CXL_DECODER_EXPANDER;
e50fe01e1f2a4ab drivers/cxl/core/port.c Dan Williams 2022-05-18  1244  	cxld->hpa_range = (struct range) {
e50fe01e1f2a4ab drivers/cxl/core/port.c Dan Williams 2022-05-18  1245  		.start = 0,
e50fe01e1f2a4ab drivers/cxl/core/port.c Dan Williams 2022-05-18  1246  		.end = -1,
e50fe01e1f2a4ab drivers/cxl/core/port.c Dan Williams 2022-05-18  1247  	};
d2b61ed2ff63fd9 drivers/cxl/core/port.c Ben Widawsky 2022-01-23  1248  
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1249  	return 0;
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1250  }
1fb44d68df6b265 drivers/cxl/core/port.c Dan Williams 2022-07-14  1251  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

[-- Attachment #2: config --]
[-- Type: text/plain, Size: 173226 bytes --]

#
# Automatically generated file; DO NOT EDIT.
# Linux/riscv 5.19.0-rc3 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="clang version 15.0.0 (git://gitmirror/llvm_project 2da550140aa98cf6a3e96417c87f1e89e3a26047)"
CONFIG_GCC_VERSION=0
CONFIG_CC_IS_CLANG=y
CONFIG_CLANG_VERSION=150000
CONFIG_AS_IS_LLVM=y
CONFIG_AS_VERSION=150000
CONFIG_LD_VERSION=0
CONFIG_LD_IS_LLD=y
CONFIG_LLD_VERSION=150000
CONFIG_CC_HAS_ASM_GOTO=y
CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
CONFIG_TOOLS_SUPPORT_RELR=y
CONFIG_CC_HAS_ASM_INLINE=y
CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=y
CONFIG_PAHOLE_VERSION=123
CONFIG_CONSTRUCTORS=y
CONFIG_IRQ_WORK=y
CONFIG_BUILDTIME_TABLE_SORT=y
CONFIG_THREAD_INFO_IN_TASK=y

#
# General setup
#
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_COMPILE_TEST=y
# CONFIG_WERROR is not set
CONFIG_LOCALVERSION=""
CONFIG_BUILD_SALT=""
CONFIG_DEFAULT_INIT=""
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_WATCH_QUEUE is not set
CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_USELIB=y
CONFIG_HAVE_ARCH_AUDITSYSCALL=y

#
# IRQ subsystem
#
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_GENERIC_IRQ_MIGRATION=y
CONFIG_GENERIC_IRQ_CHIP=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_SIM=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_IRQ_FASTEOI_HIERARCHY_HANDLERS=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
# CONFIG_GENERIC_IRQ_DEBUGFS is not set
# end of IRQ subsystem

CONFIG_GENERIC_IRQ_MULTI_HANDLER=y
CONFIG_ARCH_CLOCKSOURCE_INIT=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_ARCH_HAS_TICK_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y

#
# Timers subsystem
#
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ_COMMON=y
# CONFIG_HZ_PERIODIC is not set
CONFIG_NO_HZ_IDLE=y
# CONFIG_NO_HZ is not set
CONFIG_HIGH_RES_TIMERS=y
# end of Timers subsystem

CONFIG_HAVE_EBPF_JIT=y

#
# BPF subsystem
#
# CONFIG_BPF_SYSCALL is not set
# end of BPF subsystem

CONFIG_PREEMPT_VOLUNTARY_BUILD=y
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_COUNT=y

#
# CPU/Task time and stats accounting
#
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_SCHED_AVG_IRQ=y
CONFIG_PSI=y
# CONFIG_PSI_DEFAULT_DISABLED is not set
# end of CPU/Task time and stats accounting

# CONFIG_CPU_ISOLATION is not set

#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
CONFIG_RCU_EXPERT=y
CONFIG_SRCU=y
CONFIG_TREE_SRCU=y
CONFIG_TASKS_RCU_GENERIC=y
# CONFIG_FORCE_TASKS_RCU is not set
# CONFIG_FORCE_TASKS_RUDE_RCU is not set
CONFIG_FORCE_TASKS_TRACE_RCU=y
CONFIG_TASKS_TRACE_RCU=y
CONFIG_RCU_STALL_COMMON=y
CONFIG_RCU_NEED_SEGCBLIST=y
CONFIG_RCU_FANOUT=32
CONFIG_RCU_FANOUT_LEAF=16
# CONFIG_RCU_NOCB_CPU is not set
CONFIG_TASKS_TRACE_RCU_READ_MB=y
# end of RCU Subsystem

CONFIG_IKCONFIG=y
# CONFIG_IKCONFIG_PROC is not set
CONFIG_IKHEADERS=y
CONFIG_LOG_BUF_SHIFT=17
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
# CONFIG_PRINTK_INDEX is not set
CONFIG_GENERIC_SCHED_CLOCK=y

#
# Scheduler features
#
# end of Scheduler features

CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
CONFIG_CC_IMPLICIT_FALLTHROUGH="-Wimplicit-fallthrough"
CONFIG_GCC12_NO_ARRAY_BOUNDS=y
CONFIG_NUMA_BALANCING=y
# CONFIG_NUMA_BALANCING_DEFAULT_ENABLED is not set
CONFIG_CGROUPS=y
CONFIG_PAGE_COUNTER=y
CONFIG_MEMCG=y
# CONFIG_BLK_CGROUP is not set
CONFIG_CGROUP_SCHED=y
# CONFIG_FAIR_GROUP_SCHED is not set
CONFIG_RT_GROUP_SCHED=y
# CONFIG_CGROUP_PIDS is not set
CONFIG_CGROUP_RDMA=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
# CONFIG_CGROUP_DEVICE is not set
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_MISC=y
CONFIG_CGROUP_DEBUG=y
# CONFIG_CHECKPOINT_RESTORE is not set
# CONFIG_SCHED_AUTOGROUP is not set
# CONFIG_SYSFS_DEPRECATED is not set
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_RD_GZIP is not set
# CONFIG_RD_BZIP2 is not set
CONFIG_RD_LZMA=y
CONFIG_RD_XZ=y
# CONFIG_RD_LZO is not set
# CONFIG_RD_LZ4 is not set
CONFIG_RD_ZSTD=y
CONFIG_BOOT_CONFIG=y
# CONFIG_BOOT_CONFIG_EMBED is not set
CONFIG_INITRAMFS_PRESERVE_MTIME=y
CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_SYSCTL=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_EXPERT=y
# CONFIG_MULTIUSER is not set
# CONFIG_SGETMASK_SYSCALL is not set
CONFIG_SYSFS_SYSCALL=y
CONFIG_FHANDLE=y
CONFIG_POSIX_TIMERS=y
CONFIG_PRINTK=y
# CONFIG_BUG is not set
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_FUTEX_PI=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
# CONFIG_IO_URING is not set
# CONFIG_ADVISE_SYSCALLS is not set
CONFIG_MEMBARRIER=y
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
CONFIG_KALLSYMS_BASE_RELATIVE=y
CONFIG_KCMP=y
CONFIG_RSEQ=y
# CONFIG_DEBUG_RSEQ is not set
CONFIG_EMBEDDED=y
CONFIG_HAVE_PERF_EVENTS=y
# CONFIG_PC104 is not set

#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# end of Kernel Performance Events And Counters

CONFIG_SYSTEM_DATA_VERIFICATION=y
CONFIG_PROFILING=y
CONFIG_TRACEPOINTS=y
# end of General setup

CONFIG_32BIT=y
CONFIG_RISCV=y
CONFIG_ARCH_MMAP_RND_BITS_MIN=8
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=8
CONFIG_ARCH_MMAP_RND_BITS_MAX=17
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=17
CONFIG_RISCV_SBI=y
CONFIG_MMU=y
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_PGTABLE_LEVELS=2
CONFIG_LOCKDEP_SUPPORT=y

#
# SoC selection
#
# CONFIG_SOC_MICROCHIP_POLARFIRE is not set
# CONFIG_SOC_SIFIVE is not set
CONFIG_SOC_STARFIVE=y
# CONFIG_SOC_VIRT is not set
# end of SoC selection

#
# CPU errata selection
#
CONFIG_ERRATA_SIFIVE=y
CONFIG_ERRATA_THEAD=y
# end of CPU errata selection

#
# Platform type
#
CONFIG_ARCH_RV32I=y
# CONFIG_ARCH_RV64I is not set
# CONFIG_CMODEL_MEDLOW is not set
CONFIG_CMODEL_MEDANY=y
CONFIG_MODULE_SECTIONS=y
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_HOTPLUG_CPU=y
CONFIG_TUNE_GENERIC=y
CONFIG_NUMA=y
CONFIG_NODES_SHIFT=2
CONFIG_RISCV_ALTERNATIVE=y
CONFIG_RISCV_ISA_C=y
# CONFIG_FPU is not set
# end of Platform type

#
# Kernel features
#
CONFIG_HZ_100=y
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=100
CONFIG_SCHED_HRTICK=y
# CONFIG_RISCV_SBI_V01 is not set
CONFIG_RISCV_BOOT_SPINWAIT=y
CONFIG_KEXEC=y
CONFIG_CRASH_DUMP=y
# end of Kernel features

#
# Boot options
#
CONFIG_CMDLINE=""
CONFIG_EFI_STUB=y
CONFIG_EFI=y
# CONFIG_PHYS_RAM_BASE_FIXED is not set
# end of Boot options

#
# Power management options
#
# CONFIG_PM is not set
# end of Power management options

#
# CPU Power Management
#

#
# CPU Idle
#
# CONFIG_CPU_IDLE is not set
# end of CPU Idle
# end of CPU Power Management

CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_MMIO=y
CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y
CONFIG_HAVE_KVM_VCPU_ASYNC_IOCTL=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=y

#
# General architecture-dependent options
#
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
CONFIG_STATIC_KEYS_SELFTEST=y
CONFIG_KRETPROBES=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_KPROBES_ON_FTRACE=y
CONFIG_HAVE_FUNCTION_ERROR_INJECTION=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_ARCH_HAS_FORTIFY_SOURCE=y
CONFIG_ARCH_HAS_SET_MEMORY=y
CONFIG_ARCH_HAS_SET_DIRECT_MAP=y
CONFIG_HAVE_ARCH_THREAD_STRUCT_WHITELIST=y
CONFIG_HAVE_ASM_MODVERSIONS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_RSEQ=y
CONFIG_HAVE_FUNCTION_ARG_ACCESS_API=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_JUMP_LABEL_RELATIVE=y
CONFIG_HAVE_ARCH_SECCOMP=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_SECCOMP=y
CONFIG_HAVE_STACKPROTECTOR=y
# CONFIG_STACKPROTECTOR is not set
CONFIG_LTO_NONE=y
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_MOVE_PUD=y
CONFIG_HAVE_MOVE_PMD=y
CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
CONFIG_HAVE_ARCH_MMAP_RND_BITS=y
CONFIG_ARCH_MMAP_RND_BITS=8
CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT=y
CONFIG_ISA_BUS_API=y
CONFIG_CLONE_BACKWARDS=y
# CONFIG_COMPAT_32BIT_TIME is not set
CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT=y
CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
CONFIG_STRICT_KERNEL_RWX=y
CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
CONFIG_STRICT_MODULE_RWX=y
# CONFIG_LOCK_EVENT_COUNTS is not set
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_ARCH_SUPPORTS_PAGE_TABLE_CHECK=y

#
# GCOV-based kernel profiling
#
CONFIG_GCOV_KERNEL=y
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
# end of GCOV-based kernel profiling

CONFIG_HAVE_GCC_PLUGINS=y
# end of General architecture-dependent options

CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULE_SIG_FORMAT=y
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
# CONFIG_MODULE_UNLOAD is not set
CONFIG_MODVERSIONS=y
CONFIG_ASM_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG=y
# CONFIG_MODULE_SIG_FORCE is not set
CONFIG_MODULE_SIG_ALL=y
CONFIG_MODULE_SIG_SHA1=y
# CONFIG_MODULE_SIG_SHA224 is not set
# CONFIG_MODULE_SIG_SHA256 is not set
# CONFIG_MODULE_SIG_SHA384 is not set
# CONFIG_MODULE_SIG_SHA512 is not set
CONFIG_MODULE_SIG_HASH="sha1"
# CONFIG_MODULE_COMPRESS_NONE is not set
# CONFIG_MODULE_COMPRESS_GZIP is not set
CONFIG_MODULE_COMPRESS_XZ=y
# CONFIG_MODULE_COMPRESS_ZSTD is not set
CONFIG_MODULE_DECOMPRESS=y
# CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS is not set
CONFIG_MODPROBE_PATH="/sbin/modprobe"
CONFIG_MODULES_TREE_LOOKUP=y
CONFIG_BLOCK=y
CONFIG_BLOCK_LEGACY_AUTOLOAD=y
CONFIG_BLK_DEV_BSG_COMMON=y
CONFIG_BLK_ICQ=y
CONFIG_BLK_DEV_BSGLIB=y
CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_BLK_DEV_INTEGRITY_T10=y
# CONFIG_BLK_DEV_ZONED is not set
CONFIG_BLK_WBT=y
CONFIG_BLK_WBT_MQ=y
# CONFIG_BLK_DEBUG_FS is not set
CONFIG_BLK_SED_OPAL=y
# CONFIG_BLK_INLINE_ENCRYPTION is not set

#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
CONFIG_AIX_PARTITION=y
CONFIG_OSF_PARTITION=y
CONFIG_AMIGA_PARTITION=y
# CONFIG_ATARI_PARTITION is not set
CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
CONFIG_BSD_DISKLABEL=y
CONFIG_MINIX_SUBPARTITION=y
CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_LDM_PARTITION=y
# CONFIG_LDM_DEBUG is not set
CONFIG_SGI_PARTITION=y
CONFIG_ULTRIX_PARTITION=y
CONFIG_SUN_PARTITION=y
CONFIG_KARMA_PARTITION=y
# CONFIG_EFI_PARTITION is not set
# CONFIG_SYSV68_PARTITION is not set
CONFIG_CMDLINE_PARTITION=y
# end of Partition Types

CONFIG_BLK_MQ_PCI=y
CONFIG_BLK_MQ_VIRTIO=y
CONFIG_BLOCK_HOLDER_DEPRECATED=y

#
# IO Schedulers
#
CONFIG_MQ_IOSCHED_DEADLINE=m
CONFIG_MQ_IOSCHED_KYBER=y
CONFIG_IOSCHED_BFQ=y
# end of IO Schedulers

CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_ASN1=y
CONFIG_UNINLINE_SPIN_UNLOCK=y
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_ARCH_USE_QUEUED_RWLOCKS=y
CONFIG_QUEUED_RWLOCKS=y
CONFIG_ARCH_HAS_MMIOWB=y
CONFIG_MMIOWB=y
CONFIG_FREEZER=y

#
# Executable file formats
#
# CONFIG_BINFMT_ELF is not set
CONFIG_BINFMT_SCRIPT=y
CONFIG_ARCH_HAS_BINFMT_FLAT=y
CONFIG_BINFMT_FLAT=y
# CONFIG_BINFMT_FLAT_OLD is not set
# CONFIG_BINFMT_ZFLAT is not set
CONFIG_BINFMT_MISC=y
# CONFIG_COREDUMP is not set
# end of Executable file formats

#
# Memory Management options
#
# CONFIG_SWAP is not set
CONFIG_ZSMALLOC=m
# CONFIG_ZSMALLOC_STAT is not set

#
# SLAB allocator options
#
# CONFIG_SLAB is not set
# CONFIG_SLUB is not set
CONFIG_SLOB=y
# end of SLAB allocator options

# CONFIG_SHUFFLE_PAGE_ALLOCATOR is not set
# CONFIG_COMPAT_BRK is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
CONFIG_SPARSEMEM_STATIC=y
CONFIG_MEMORY_ISOLATION=y
CONFIG_EXCLUSIVE_SYSTEM_RAM=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MEMORY_BALLOON=y
CONFIG_BALLOON_COMPACTION=y
CONFIG_COMPACTION=y
CONFIG_PAGE_REPORTING=y
CONFIG_MIGRATION=y
CONFIG_CONTIG_ALLOC=y
CONFIG_MMU_NOTIFIER=y
# CONFIG_KSM is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_USE_PERCPU_NUMA_NODE_ID=y
CONFIG_CMA=y
# CONFIG_CMA_DEBUG is not set
# CONFIG_CMA_DEBUGFS is not set
CONFIG_CMA_SYSFS=y
CONFIG_CMA_AREAS=19
CONFIG_GENERIC_EARLY_IOREMAP=y
CONFIG_PAGE_IDLE_FLAG=y
CONFIG_IDLE_PAGE_TRACKING=y
CONFIG_ARCH_HAS_CURRENT_STACK_POINTER=y
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_PERCPU_STATS is not set
CONFIG_GUP_TEST=y
CONFIG_ARCH_HAS_PTE_SPECIAL=y
# CONFIG_USERFAULTFD is not set

#
# Data Access Monitoring
#
# CONFIG_DAMON is not set
# end of Data Access Monitoring
# end of Memory Management options

# CONFIG_NET is not set

#
# Device Drivers
#
CONFIG_HAVE_PCI=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_DOMAINS_GENERIC=y
CONFIG_PCIEPORTBUS=y
# CONFIG_HOTPLUG_PCI_PCIE is not set
# CONFIG_PCIEAER is not set
# CONFIG_PCIEASPM is not set
# CONFIG_PCIE_PTM is not set
CONFIG_PCI_MSI=y
CONFIG_PCI_MSI_IRQ_DOMAIN=y
CONFIG_PCI_QUIRKS=y
CONFIG_PCI_DEBUG=y
# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
# CONFIG_PCI_STUB is not set
CONFIG_PCI_PF_STUB=m
CONFIG_PCI_ATS=y
CONFIG_PCI_ECAM=y
CONFIG_PCI_BRIDGE_EMUL=y
CONFIG_PCI_IOV=y
# CONFIG_PCI_PRI is not set
# CONFIG_PCI_PASID is not set
# CONFIG_PCIE_BUS_TUNE_OFF is not set
CONFIG_PCIE_BUS_DEFAULT=y
# CONFIG_PCIE_BUS_SAFE is not set
# CONFIG_PCIE_BUS_PERFORMANCE is not set
# CONFIG_PCIE_BUS_PEER2PEER is not set
CONFIG_VGA_ARB=y
CONFIG_VGA_ARB_MAX_GPUS=16
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_CPCI=y
# CONFIG_HOTPLUG_PCI_SHPC is not set

#
# PCI controller drivers
#
CONFIG_PCI_AARDVARK=y
# CONFIG_PCIE_XILINX_NWL is not set
CONFIG_PCI_FTPCI100=y
CONFIG_PCI_TEGRA=y
CONFIG_PCIE_RCAR_HOST=y
# CONFIG_PCIE_RCAR_EP is not set
CONFIG_PCI_HOST_COMMON=y
# CONFIG_PCI_HOST_GENERIC is not set
CONFIG_PCIE_XILINX=y
# CONFIG_PCIE_XILINX_CPM is not set
# CONFIG_PCI_XGENE is not set
# CONFIG_PCI_V3_SEMI is not set
# CONFIG_PCI_VERSATILE is not set
CONFIG_PCIE_ALTERA=m
CONFIG_PCIE_ALTERA_MSI=m
CONFIG_PCI_HOST_THUNDER_PEM=y
CONFIG_PCI_HOST_THUNDER_ECAM=y
CONFIG_PCIE_ROCKCHIP=y
CONFIG_PCIE_ROCKCHIP_HOST=m
CONFIG_PCIE_ROCKCHIP_EP=y
# CONFIG_PCIE_MEDIATEK is not set
# CONFIG_PCIE_MEDIATEK_GEN3 is not set
CONFIG_PCIE_BRCMSTB=y
CONFIG_PCI_LOONGSON=y
CONFIG_PCIE_MICROCHIP_HOST=y
CONFIG_PCIE_APPLE_MSI_DOORBELL_ADDR=0xfffff000
CONFIG_PCIE_APPLE=m
CONFIG_PCIE_MT7621=y

#
# DesignWare PCI Core Support
#
CONFIG_PCIE_DW=y
CONFIG_PCIE_DW_HOST=y
CONFIG_PCIE_DW_EP=y
CONFIG_PCI_DRA7XX=m
CONFIG_PCI_DRA7XX_HOST=m
CONFIG_PCI_DRA7XX_EP=m
CONFIG_PCIE_DW_PLAT=y
CONFIG_PCIE_DW_PLAT_HOST=y
CONFIG_PCIE_DW_PLAT_EP=y
# CONFIG_PCI_EXYNOS is not set
# CONFIG_PCI_IMX6 is not set
# CONFIG_PCIE_SPEAR13XX is not set
CONFIG_PCI_KEYSTONE=y
CONFIG_PCI_KEYSTONE_HOST=y
# CONFIG_PCI_KEYSTONE_EP is not set
CONFIG_PCI_LAYERSCAPE=y
CONFIG_PCI_LAYERSCAPE_EP=y
CONFIG_PCI_HISI=y
CONFIG_PCIE_QCOM=y
CONFIG_PCIE_QCOM_EP=y
CONFIG_PCIE_ARMADA_8K=y
CONFIG_PCIE_ARTPEC6=y
# CONFIG_PCIE_ARTPEC6_HOST is not set
CONFIG_PCIE_ARTPEC6_EP=y
# CONFIG_PCIE_ROCKCHIP_DW_HOST is not set
# CONFIG_PCIE_INTEL_GW is not set
CONFIG_PCIE_KEEMBAY=y
CONFIG_PCIE_KEEMBAY_HOST=y
# CONFIG_PCIE_KEEMBAY_EP is not set
CONFIG_PCIE_KIRIN=y
# CONFIG_PCIE_HISI_STB is not set
CONFIG_PCI_MESON=m
CONFIG_PCIE_TEGRA194=m
CONFIG_PCIE_TEGRA194_HOST=m
# CONFIG_PCIE_TEGRA194_EP is not set
# CONFIG_PCIE_VISCONTI_HOST is not set
# CONFIG_PCIE_UNIPHIER is not set
CONFIG_PCIE_UNIPHIER_EP=y
# CONFIG_PCIE_AL is not set
CONFIG_PCIE_FU740=y
# end of DesignWare PCI Core Support

#
# Mobiveil PCIe Core Support
#
# CONFIG_PCIE_MOBIVEIL_PLAT is not set
# CONFIG_PCIE_LAYERSCAPE_GEN4 is not set
# end of Mobiveil PCIe Core Support

#
# Cadence PCIe controllers support
#
CONFIG_PCIE_CADENCE=y
CONFIG_PCIE_CADENCE_HOST=y
CONFIG_PCIE_CADENCE_EP=y
CONFIG_PCIE_CADENCE_PLAT=y
CONFIG_PCIE_CADENCE_PLAT_HOST=y
CONFIG_PCIE_CADENCE_PLAT_EP=y
CONFIG_PCI_J721E=y
CONFIG_PCI_J721E_HOST=y
CONFIG_PCI_J721E_EP=y
# end of Cadence PCIe controllers support
# end of PCI controller drivers

#
# PCI Endpoint
#
CONFIG_PCI_ENDPOINT=y
# CONFIG_PCI_ENDPOINT_CONFIGFS is not set
CONFIG_PCI_EPF_TEST=m
# CONFIG_PCI_EPF_NTB is not set
# end of PCI Endpoint

#
# PCI switch controller drivers
#
CONFIG_PCI_SW_SWITCHTEC=m
# end of PCI switch controller drivers

CONFIG_CXL_BUS=y
CONFIG_CXL_PCI=m
# CONFIG_CXL_MEM_RAW_COMMANDS is not set
# CONFIG_CXL_MEM is not set
CONFIG_CXL_PORT=y
# CONFIG_PCCARD is not set
CONFIG_RAPIDIO=m
CONFIG_RAPIDIO_TSI721=m
CONFIG_RAPIDIO_DISC_TIMEOUT=30
CONFIG_RAPIDIO_ENABLE_RX_TX_PORTS=y
CONFIG_RAPIDIO_DMA_ENGINE=y
# CONFIG_RAPIDIO_DEBUG is not set
CONFIG_RAPIDIO_ENUM_BASIC=m
# CONFIG_RAPIDIO_CHMAN is not set
CONFIG_RAPIDIO_MPORT_CDEV=m

#
# RapidIO Switch drivers
#
CONFIG_RAPIDIO_CPS_XX=m
CONFIG_RAPIDIO_CPS_GEN2=m
# CONFIG_RAPIDIO_RXS_GEN3 is not set
# end of RapidIO Switch drivers

#
# Generic Driver Options
#
CONFIG_AUXILIARY_BUS=y
CONFIG_UEVENT_HELPER=y
CONFIG_UEVENT_HELPER_PATH=""
CONFIG_DEVTMPFS=y
# CONFIG_DEVTMPFS_MOUNT is not set
CONFIG_DEVTMPFS_SAFE=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set

#
# Firmware loader
#
CONFIG_FW_LOADER=y
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_FW_LOADER_SYSFS=y
CONFIG_EXTRA_FIRMWARE=""
CONFIG_FW_LOADER_USER_HELPER=y
CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
# CONFIG_FW_LOADER_COMPRESS is not set
CONFIG_FW_UPLOAD=y
# end of Firmware loader

CONFIG_WANT_DEV_COREDUMP=y
CONFIG_ALLOW_DEV_COREDUMP=y
CONFIG_DEV_COREDUMP=y
CONFIG_DEBUG_DRIVER=y
CONFIG_DEBUG_DEVRES=y
# CONFIG_DEBUG_TEST_DRIVER_REMOVE is not set
CONFIG_TEST_ASYNC_DRIVER_PROBE=m
CONFIG_SOC_BUS=y
CONFIG_REGMAP=y
CONFIG_REGMAP_I2C=y
CONFIG_REGMAP_SLIMBUS=m
CONFIG_REGMAP_SPI=y
CONFIG_REGMAP_W1=y
CONFIG_REGMAP_MMIO=y
CONFIG_REGMAP_IRQ=y
CONFIG_REGMAP_SPI_AVMM=y
CONFIG_DMA_SHARED_BUFFER=y
CONFIG_DMA_FENCE_TRACE=y
CONFIG_GENERIC_ARCH_TOPOLOGY=y
CONFIG_GENERIC_ARCH_NUMA=y
# end of Generic Driver Options

#
# Bus devices
#
CONFIG_ARM_INTEGRATOR_LM=y
# CONFIG_BT1_APB is not set
CONFIG_BT1_AXI=y
CONFIG_MOXTET=m
# CONFIG_HISILICON_LPC is not set
# CONFIG_INTEL_IXP4XX_EB is not set
# CONFIG_QCOM_EBI2 is not set
CONFIG_MHI_BUS=y
# CONFIG_MHI_BUS_DEBUG is not set
CONFIG_MHI_BUS_PCI_GENERIC=m
CONFIG_MHI_BUS_EP=m
# end of Bus devices

#
# Firmware Drivers
#

#
# ARM System Control and Management Interface Protocol
#
CONFIG_ARM_SCMI_PROTOCOL=y
CONFIG_ARM_SCMI_HAVE_TRANSPORT=y
CONFIG_ARM_SCMI_HAVE_MSG=y
# CONFIG_ARM_SCMI_TRANSPORT_MAILBOX is not set
CONFIG_ARM_SCMI_TRANSPORT_VIRTIO=y
# CONFIG_ARM_SCMI_TRANSPORT_VIRTIO_VERSION1_COMPLIANCE is not set
CONFIG_ARM_SCMI_TRANSPORT_VIRTIO_ATOMIC_ENABLE=y
CONFIG_ARM_SCMI_POWER_DOMAIN=m
# end of ARM System Control and Management Interface Protocol

# CONFIG_ARM_SCPI_PROTOCOL is not set
CONFIG_ARM_SCPI_POWER_DOMAIN=y
# CONFIG_FIRMWARE_MEMMAP is not set
CONFIG_MTK_ADSP_IPC=m
CONFIG_QCOM_SCM=y
CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT=y
CONFIG_SYSFB=y
CONFIG_SYSFB_SIMPLEFB=y
CONFIG_TURRIS_MOX_RWTM=y
# CONFIG_BCM47XX_NVRAM is not set
CONFIG_TEE_BNXT_FW=m
# CONFIG_GOOGLE_FIRMWARE is not set

#
# EFI (Extensible Firmware Interface) Support
#
CONFIG_EFI_ESRT=y
CONFIG_EFI_PARAMS_FROM_FDT=y
CONFIG_EFI_RUNTIME_WRAPPERS=y
CONFIG_EFI_GENERIC_STUB=y
CONFIG_EFI_BOOTLOADER_CONTROL=m
CONFIG_EFI_CAPSULE_LOADER=m
CONFIG_EFI_TEST=y
CONFIG_RESET_ATTACK_MITIGATION=y
CONFIG_EFI_RCI2_TABLE=y
CONFIG_EFI_DISABLE_PCI_DMA=y
# CONFIG_EFI_DISABLE_RUNTIME is not set
CONFIG_EFI_COCO_SECRET=y
# end of EFI (Extensible Firmware Interface) Support

#
# Tegra firmware driver
#
# end of Tegra firmware driver
# end of Firmware Drivers

CONFIG_GNSS=y
# CONFIG_GNSS_USB is not set
CONFIG_MTD=m
CONFIG_MTD_TESTS=m

#
# Partition parsers
#
CONFIG_MTD_AR7_PARTS=m
# CONFIG_MTD_BCM63XX_PARTS is not set
CONFIG_MTD_CMDLINE_PARTS=m
CONFIG_MTD_OF_PARTS=m
CONFIG_MTD_OF_PARTS_BCM4908=y
# CONFIG_MTD_OF_PARTS_LINKSYS_NS is not set
# CONFIG_MTD_PARSER_IMAGETAG is not set
# CONFIG_MTD_PARSER_TRX is not set
# CONFIG_MTD_SHARPSL_PARTS is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_QCOMSMEM_PARTS=m
# end of Partition parsers

#
# User Modules And Translation Layers
#
CONFIG_MTD_BLKDEVS=m
CONFIG_MTD_BLOCK=m
# CONFIG_MTD_BLOCK_RO is not set

#
# Note that in some cases UBI block is preferred. See MTD_UBI_BLOCK.
#
CONFIG_FTL=m
CONFIG_NFTL=m
# CONFIG_NFTL_RW is not set
# CONFIG_INFTL is not set
CONFIG_RFD_FTL=m
# CONFIG_SSFDC is not set
CONFIG_SM_FTL=m
# CONFIG_MTD_OOPS is not set
# CONFIG_MTD_PARTITIONED_MASTER is not set

#
# RAM/ROM/Flash chip drivers
#
CONFIG_MTD_CFI=m
CONFIG_MTD_JEDECPROBE=m
CONFIG_MTD_GEN_PROBE=m
CONFIG_MTD_CFI_ADV_OPTIONS=y
# CONFIG_MTD_CFI_NOSWAP is not set
# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
CONFIG_MTD_CFI_LE_BYTE_SWAP=y
CONFIG_MTD_CFI_GEOMETRY=y
# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
CONFIG_MTD_MAP_BANK_WIDTH_2=y
# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
CONFIG_MTD_MAP_BANK_WIDTH_16=y
CONFIG_MTD_MAP_BANK_WIDTH_32=y
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
CONFIG_MTD_CFI_I4=y
# CONFIG_MTD_CFI_I8 is not set
# CONFIG_MTD_OTP is not set
CONFIG_MTD_CFI_INTELEXT=m
CONFIG_MTD_CFI_AMDSTD=m
CONFIG_MTD_CFI_STAA=m
CONFIG_MTD_CFI_UTIL=m
CONFIG_MTD_RAM=m
# CONFIG_MTD_ROM is not set
CONFIG_MTD_ABSENT=m
# end of RAM/ROM/Flash chip drivers

#
# Mapping drivers for chip access
#
CONFIG_MTD_COMPLEX_MAPPINGS=y
CONFIG_MTD_PHYSMAP=m
# CONFIG_MTD_PHYSMAP_COMPAT is not set
# CONFIG_MTD_PHYSMAP_OF is not set
# CONFIG_MTD_PHYSMAP_GPIO_ADDR is not set
CONFIG_MTD_SC520CDP=m
CONFIG_MTD_NETSC520=m
CONFIG_MTD_TS5500=m
# CONFIG_MTD_PCI is not set
CONFIG_MTD_INTEL_VR_NOR=m
CONFIG_MTD_PLATRAM=m
# end of Mapping drivers for chip access

#
# Self-contained MTD device drivers
#
CONFIG_MTD_PMC551=m
CONFIG_MTD_PMC551_BUGFIX=y
CONFIG_MTD_PMC551_DEBUG=y
CONFIG_MTD_DATAFLASH=m
# CONFIG_MTD_DATAFLASH_WRITE_VERIFY is not set
# CONFIG_MTD_DATAFLASH_OTP is not set
CONFIG_MTD_MCHP23K256=m
# CONFIG_MTD_MCHP48L640 is not set
CONFIG_MTD_SPEAR_SMI=m
CONFIG_MTD_SST25L=m
CONFIG_MTD_SLRAM=m
CONFIG_MTD_PHRAM=m
CONFIG_MTD_MTDRAM=m
CONFIG_MTDRAM_TOTAL_SIZE=4096
CONFIG_MTDRAM_ERASE_SIZE=128
CONFIG_MTD_BLOCK2MTD=m

#
# Disk-On-Chip Device Drivers
#
CONFIG_MTD_DOCG3=m
CONFIG_BCH_CONST_M=14
CONFIG_BCH_CONST_T=4
# end of Self-contained MTD device drivers

#
# NAND
#
CONFIG_MTD_NAND_CORE=m
CONFIG_MTD_ONENAND=m
# CONFIG_MTD_ONENAND_VERIFY_WRITE is not set
CONFIG_MTD_ONENAND_GENERIC=m
CONFIG_MTD_ONENAND_SAMSUNG=m
# CONFIG_MTD_ONENAND_OTP is not set
CONFIG_MTD_ONENAND_2X_PROGRAM=y
CONFIG_MTD_RAW_NAND=m

#
# Raw/parallel NAND flash controllers
#
CONFIG_MTD_NAND_DENALI=m
# CONFIG_MTD_NAND_DENALI_PCI is not set
CONFIG_MTD_NAND_DENALI_DT=m
CONFIG_MTD_NAND_AMS_DELTA=m
CONFIG_MTD_NAND_OMAP2=m
CONFIG_MTD_NAND_OMAP_BCH=y
CONFIG_MTD_NAND_OMAP_BCH_BUILD=m
# CONFIG_MTD_NAND_SHARPSL is not set
CONFIG_MTD_NAND_CAFE=m
CONFIG_MTD_NAND_ATMEL=m
CONFIG_MTD_NAND_MARVELL=m
# CONFIG_MTD_NAND_SLC_LPC32XX is not set
CONFIG_MTD_NAND_MLC_LPC32XX=m
CONFIG_MTD_NAND_BRCMNAND=m
CONFIG_MTD_NAND_OXNAS=m
CONFIG_MTD_NAND_GPMI_NAND=m
CONFIG_MTD_NAND_FSL_IFC=m
CONFIG_MTD_NAND_VF610_NFC=m
CONFIG_MTD_NAND_MXC=m
CONFIG_MTD_NAND_SH_FLCTL=m
CONFIG_MTD_NAND_DAVINCI=m
# CONFIG_MTD_NAND_TXX9NDFMC is not set
CONFIG_MTD_NAND_JZ4780=m
CONFIG_MTD_NAND_INGENIC_ECC=y
CONFIG_MTD_NAND_JZ4740_ECC=m
CONFIG_MTD_NAND_JZ4725B_BCH=m
CONFIG_MTD_NAND_JZ4780_BCH=m
# CONFIG_MTD_NAND_FSMC is not set
# CONFIG_MTD_NAND_SUNXI is not set
CONFIG_MTD_NAND_HISI504=m
CONFIG_MTD_NAND_QCOM=m
CONFIG_MTD_NAND_MXIC=m
CONFIG_MTD_NAND_TEGRA=m
# CONFIG_MTD_NAND_STM32_FMC2 is not set
CONFIG_MTD_NAND_MESON=m
CONFIG_MTD_NAND_GPIO=m
CONFIG_MTD_NAND_PLATFORM=m
CONFIG_MTD_NAND_CADENCE=m
CONFIG_MTD_NAND_ARASAN=m
# CONFIG_MTD_NAND_INTEL_LGM is not set
CONFIG_MTD_NAND_RENESAS=m

#
# Misc
#
CONFIG_MTD_SM_COMMON=m
CONFIG_MTD_NAND_NANDSIM=m
CONFIG_MTD_NAND_RICOH=m
CONFIG_MTD_NAND_DISKONCHIP=m
# CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADVANCED is not set
CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0
# CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE is not set
# CONFIG_MTD_SPI_NAND is not set

#
# ECC engine support
#
CONFIG_MTD_NAND_ECC=y
CONFIG_MTD_NAND_ECC_SW_HAMMING=y
# CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC is not set
CONFIG_MTD_NAND_ECC_SW_BCH=y
# CONFIG_MTD_NAND_ECC_MXIC is not set
# CONFIG_MTD_NAND_ECC_MEDIATEK is not set
# end of ECC engine support
# end of NAND

#
# LPDDR & LPDDR2 PCM memory drivers
#
CONFIG_MTD_LPDDR=m
CONFIG_MTD_QINFO_PROBE=m
# end of LPDDR & LPDDR2 PCM memory drivers

CONFIG_MTD_SPI_NOR=m
CONFIG_MTD_SPI_NOR_USE_4K_SECTORS=y
# CONFIG_MTD_SPI_NOR_SWP_DISABLE is not set
CONFIG_MTD_SPI_NOR_SWP_DISABLE_ON_VOLATILE=y
# CONFIG_MTD_SPI_NOR_SWP_KEEP is not set
CONFIG_SPI_HISI_SFC=m
CONFIG_SPI_NXP_SPIFI=m
CONFIG_MTD_UBI=m
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MTD_UBI_BEB_LIMIT=20
# CONFIG_MTD_UBI_FASTMAP is not set
CONFIG_MTD_UBI_GLUEBI=m
# CONFIG_MTD_UBI_BLOCK is not set
CONFIG_MTD_HYPERBUS=m
CONFIG_HBMC_AM654=m
CONFIG_DTC=y
CONFIG_OF=y
CONFIG_OF_UNITTEST=y
# CONFIG_OF_ALL_DTBS is not set
CONFIG_OF_FLATTREE=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_KOBJ=y
CONFIG_OF_DYNAMIC=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_IRQ=y
CONFIG_OF_RESERVED_MEM=y
CONFIG_OF_RESOLVE=y
# CONFIG_OF_OVERLAY is not set
CONFIG_OF_NUMA=y
# CONFIG_PARPORT is not set
CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_NULL_BLK=y
CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION=y
CONFIG_CDROM=m
# CONFIG_BLK_DEV_PCIESSD_MTIP32XX is not set
CONFIG_ZRAM=m
# CONFIG_ZRAM_DEF_COMP_LZORLE is not set
# CONFIG_ZRAM_DEF_COMP_ZSTD is not set
# CONFIG_ZRAM_DEF_COMP_LZ4 is not set
CONFIG_ZRAM_DEF_COMP_LZO=y
# CONFIG_ZRAM_DEF_COMP_LZ4HC is not set
# CONFIG_ZRAM_DEF_COMP_842 is not set
CONFIG_ZRAM_DEF_COMP="lzo"
# CONFIG_ZRAM_WRITEBACK is not set
CONFIG_ZRAM_MEMORY_TRACKING=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_LOOP_MIN_COUNT=8

#
# DRBD disabled because PROC_FS or INET not selected
#
CONFIG_BLK_DEV_SX8=m
# CONFIG_BLK_DEV_RAM is not set
# CONFIG_CDROM_PKTCDVD is not set
CONFIG_VIRTIO_BLK=m

#
# NVME Support
#
CONFIG_NVME_CORE=y
CONFIG_BLK_DEV_NVME=y
CONFIG_NVME_MULTIPATH=y
CONFIG_NVME_VERBOSE_ERRORS=y
# CONFIG_NVME_HWMON is not set
CONFIG_NVME_FABRICS=m
CONFIG_NVME_FC=m
# CONFIG_NVME_TARGET is not set
# end of NVME Support

#
# Misc devices
#
CONFIG_SENSORS_LIS3LV02D=m
CONFIG_AD525X_DPOT=y
# CONFIG_AD525X_DPOT_I2C is not set
CONFIG_AD525X_DPOT_SPI=y
CONFIG_DUMMY_IRQ=y
CONFIG_PHANTOM=m
# CONFIG_TIFM_CORE is not set
CONFIG_ICS932S401=y
CONFIG_ATMEL_SSC=m
CONFIG_ENCLOSURE_SERVICES=m
CONFIG_GEHC_ACHC=m
CONFIG_HP_ILO=y
# CONFIG_QCOM_COINCELL is not set
CONFIG_QCOM_FASTRPC=y
# CONFIG_APDS9802ALS is not set
CONFIG_ISL29003=y
# CONFIG_ISL29020 is not set
CONFIG_SENSORS_TSL2550=m
CONFIG_SENSORS_BH1770=y
# CONFIG_SENSORS_APDS990X is not set
CONFIG_HMC6352=m
CONFIG_DS1682=m
CONFIG_PCH_PHUB=y
CONFIG_LATTICE_ECP3_CONFIG=y
# CONFIG_SRAM is not set
CONFIG_DW_XDATA_PCIE=m
CONFIG_PCI_ENDPOINT_TEST=y
# CONFIG_XILINX_SDFEC is not set
CONFIG_MISC_RTSX=y
CONFIG_HISI_HIKEY_USB=m
# CONFIG_OPEN_DICE is not set
# CONFIG_C2PORT is not set

#
# EEPROM support
#
CONFIG_EEPROM_AT24=y
# CONFIG_EEPROM_AT25 is not set
# CONFIG_EEPROM_LEGACY is not set
CONFIG_EEPROM_MAX6875=y
CONFIG_EEPROM_93CX6=y
CONFIG_EEPROM_93XX46=m
# CONFIG_EEPROM_IDT_89HPESX is not set
CONFIG_EEPROM_EE1004=m
# end of EEPROM support

CONFIG_CB710_CORE=m
# CONFIG_CB710_DEBUG is not set
CONFIG_CB710_DEBUG_ASSUMPTIONS=y

#
# Texas Instruments shared transport line discipline
#
# end of Texas Instruments shared transport line discipline

CONFIG_SENSORS_LIS3_SPI=m
# CONFIG_SENSORS_LIS3_I2C is not set
CONFIG_ALTERA_STAPL=y
CONFIG_ECHO=y
CONFIG_BCM_VK=m
CONFIG_MISC_ALCOR_PCI=y
CONFIG_MISC_RTSX_PCI=m
CONFIG_MISC_RTSX_USB=y
# CONFIG_HABANA_AI is not set
CONFIG_UACCE=y
# CONFIG_PVPANIC is not set
# end of Misc devices

#
# SCSI device support
#
CONFIG_SCSI_MOD=y
CONFIG_RAID_ATTRS=y
CONFIG_SCSI_COMMON=y
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
CONFIG_SCSI_PROC_FS=y

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
CONFIG_BLK_DEV_SR=m
CONFIG_CHR_DEV_SG=y
CONFIG_BLK_DEV_BSG=y
CONFIG_CHR_DEV_SCH=y
CONFIG_SCSI_ENCLOSURE=m
# CONFIG_SCSI_CONSTANTS is not set
CONFIG_SCSI_LOGGING=y
# CONFIG_SCSI_SCAN_ASYNC is not set

#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
CONFIG_SCSI_SAS_ATTRS=y
CONFIG_SCSI_SAS_LIBSAS=y
CONFIG_SCSI_SAS_ATA=y
CONFIG_SCSI_SAS_HOST_SMP=y
# CONFIG_SCSI_SRP_ATTRS is not set
# end of SCSI Transports

CONFIG_SCSI_LOWLEVEL=y
CONFIG_ISCSI_BOOT_SYSFS=y
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_HPSA is not set
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_3W_SAS is not set
CONFIG_SCSI_ACARD=m
CONFIG_SCSI_AACRAID=y
CONFIG_SCSI_AIC7XXX=m
CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
CONFIG_AIC7XXX_RESET_DELAY_MS=5000
# CONFIG_AIC7XXX_BUILD_FIRMWARE is not set
CONFIG_AIC7XXX_DEBUG_ENABLE=y
CONFIG_AIC7XXX_DEBUG_MASK=0
# CONFIG_AIC7XXX_REG_PRETTY_PRINT is not set
CONFIG_SCSI_AIC79XX=y
CONFIG_AIC79XX_CMDS_PER_DEVICE=32
CONFIG_AIC79XX_RESET_DELAY_MS=5000
# CONFIG_AIC79XX_BUILD_FIRMWARE is not set
# CONFIG_AIC79XX_DEBUG_ENABLE is not set
CONFIG_AIC79XX_DEBUG_MASK=0
# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
CONFIG_SCSI_AIC94XX=m
# CONFIG_AIC94XX_DEBUG is not set
CONFIG_SCSI_HISI_SAS=y
# CONFIG_SCSI_HISI_SAS_DEBUGFS_DEFAULT_ENABLE is not set
CONFIG_SCSI_MVSAS=y
# CONFIG_SCSI_MVSAS_DEBUG is not set
CONFIG_SCSI_MVSAS_TASKLET=y
# CONFIG_SCSI_MVUMI is not set
CONFIG_SCSI_ADVANSYS=y
CONFIG_SCSI_ARCMSR=y
CONFIG_SCSI_ESAS2R=m
CONFIG_MEGARAID_NEWGEN=y
CONFIG_MEGARAID_MM=y
# CONFIG_MEGARAID_MAILBOX is not set
CONFIG_MEGARAID_LEGACY=y
# CONFIG_MEGARAID_SAS is not set
CONFIG_SCSI_MPT3SAS=y
CONFIG_SCSI_MPT2SAS_MAX_SGE=128
CONFIG_SCSI_MPT3SAS_MAX_SGE=128
CONFIG_SCSI_MPT2SAS=y
CONFIG_SCSI_MPI3MR=m
# CONFIG_SCSI_SMARTPQI is not set
CONFIG_SCSI_HPTIOP=m
# CONFIG_SCSI_MYRB is not set
CONFIG_SCSI_MYRS=y
CONFIG_SCSI_SNIC=m
# CONFIG_SCSI_SNIC_DEBUG_FS is not set
# CONFIG_SCSI_DMX3191D is not set
CONFIG_SCSI_FDOMAIN=y
CONFIG_SCSI_FDOMAIN_PCI=y
CONFIG_SCSI_IPS=y
# CONFIG_SCSI_INITIO is not set
CONFIG_SCSI_INIA100=y
# CONFIG_SCSI_STEX is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
CONFIG_SCSI_QLOGIC_1280=y
CONFIG_SCSI_DC395x=m
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_WD719X is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_PM8001 is not set
CONFIG_SCSI_VIRTIO=m
# CONFIG_SCSI_DH is not set
# end of SCSI device support

CONFIG_ATA=y
CONFIG_SATA_HOST=y
CONFIG_PATA_TIMINGS=y
# CONFIG_ATA_VERBOSE_ERROR is not set
# CONFIG_ATA_FORCE is not set
CONFIG_SATA_PMP=y

#
# Controllers with non-SFF native interface
#
CONFIG_SATA_AHCI=m
CONFIG_SATA_MOBILE_LPM_POLICY=0
CONFIG_SATA_AHCI_PLATFORM=m
# CONFIG_AHCI_BRCM is not set
CONFIG_AHCI_DA850=m
CONFIG_AHCI_DM816=m
# CONFIG_AHCI_IMX is not set
CONFIG_AHCI_CEVA=y
CONFIG_AHCI_MTK=y
CONFIG_AHCI_MVEBU=y
# CONFIG_AHCI_SUNXI is not set
# CONFIG_AHCI_TEGRA is not set
CONFIG_AHCI_XGENE=m
# CONFIG_AHCI_QORIQ is not set
# CONFIG_SATA_FSL is not set
# CONFIG_SATA_GEMINI is not set
CONFIG_SATA_AHCI_SEATTLE=m
# CONFIG_SATA_INIC162X is not set
CONFIG_SATA_ACARD_AHCI=m
# CONFIG_SATA_SIL24 is not set
CONFIG_ATA_SFF=y

#
# SFF controllers with custom DMA interface
#
CONFIG_PDC_ADMA=m
# CONFIG_SATA_QSTOR is not set
CONFIG_SATA_SX4=m
# CONFIG_ATA_BMDMA is not set

#
# PIO-only SFF controllers
#
# CONFIG_PATA_CMD640_PCI is not set
CONFIG_PATA_IXP4XX_CF=y
# CONFIG_PATA_MPIIX is not set
CONFIG_PATA_NS87410=y
CONFIG_PATA_OPTI=m
CONFIG_PATA_PLATFORM=y
CONFIG_PATA_OF_PLATFORM=m
# CONFIG_PATA_RZ1000 is not set
CONFIG_PATA_SAMSUNG_CF=y

#
# Generic fallback / legacy drivers
#
CONFIG_PATA_LEGACY=m
CONFIG_MD=y
# CONFIG_BLK_DEV_MD is not set
CONFIG_BCACHE=y
CONFIG_BCACHE_DEBUG=y
# CONFIG_BCACHE_CLOSURES_DEBUG is not set
# CONFIG_BCACHE_ASYNC_REGISTRATION is not set
# CONFIG_BLK_DEV_DM is not set
CONFIG_TARGET_CORE=y
CONFIG_TCM_IBLOCK=y
CONFIG_TCM_FILEIO=y
# CONFIG_TCM_PSCSI is not set
CONFIG_LOOPBACK_TARGET=y
CONFIG_FUSION=y
CONFIG_FUSION_SPI=y
CONFIG_FUSION_SAS=y
CONFIG_FUSION_MAX_SGE=128
CONFIG_FUSION_CTL=m
# CONFIG_FUSION_LOGGING is not set

#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
CONFIG_FIREWIRE_NOSY=m
# end of IEEE 1394 (FireWire) support

#
# Input device support
#
CONFIG_INPUT=m
CONFIG_INPUT_LEDS=m
CONFIG_INPUT_FF_MEMLESS=m
CONFIG_INPUT_SPARSEKMAP=m
CONFIG_INPUT_MATRIXKMAP=m
CONFIG_INPUT_VIVALDIFMAP=m

#
# Userland interfaces
#
# CONFIG_INPUT_MOUSEDEV is not set
CONFIG_INPUT_JOYDEV=m
CONFIG_INPUT_EVDEV=m
CONFIG_INPUT_EVBUG=m

#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ADC=m
# CONFIG_KEYBOARD_ADP5520 is not set
# CONFIG_KEYBOARD_ADP5588 is not set
CONFIG_KEYBOARD_ADP5589=m
CONFIG_KEYBOARD_ATKBD=m
CONFIG_KEYBOARD_QT1050=m
CONFIG_KEYBOARD_QT1070=m
CONFIG_KEYBOARD_QT2160=m
CONFIG_KEYBOARD_CLPS711X=m
# CONFIG_KEYBOARD_DLINK_DIR685 is not set
CONFIG_KEYBOARD_LKKBD=m
# CONFIG_KEYBOARD_EP93XX is not set
CONFIG_KEYBOARD_GPIO=m
# CONFIG_KEYBOARD_GPIO_POLLED is not set
CONFIG_KEYBOARD_TCA6416=m
CONFIG_KEYBOARD_TCA8418=m
CONFIG_KEYBOARD_MATRIX=m
# CONFIG_KEYBOARD_LM8323 is not set
CONFIG_KEYBOARD_LM8333=m
CONFIG_KEYBOARD_MAX7359=m
# CONFIG_KEYBOARD_MCS is not set
CONFIG_KEYBOARD_MPR121=m
CONFIG_KEYBOARD_SNVS_PWRKEY=m
CONFIG_KEYBOARD_IMX=m
CONFIG_KEYBOARD_NEWTON=m
# CONFIG_KEYBOARD_OPENCORES is not set
CONFIG_KEYBOARD_PMIC8XXX=m
# CONFIG_KEYBOARD_SAMSUNG is not set
# CONFIG_KEYBOARD_GOLDFISH_EVENTS is not set
CONFIG_KEYBOARD_STOWAWAY=m
# CONFIG_KEYBOARD_ST_KEYSCAN is not set
CONFIG_KEYBOARD_SUNKBD=m
CONFIG_KEYBOARD_SH_KEYSC=m
CONFIG_KEYBOARD_STMPE=m
# CONFIG_KEYBOARD_OMAP4 is not set
# CONFIG_KEYBOARD_TC3589X is not set
CONFIG_KEYBOARD_TM2_TOUCHKEY=m
CONFIG_KEYBOARD_TWL4030=m
CONFIG_KEYBOARD_XTKBD=m
CONFIG_KEYBOARD_CAP11XX=m
CONFIG_KEYBOARD_BCM=m
CONFIG_KEYBOARD_MT6779=m
# CONFIG_KEYBOARD_MTK_PMIC is not set
# CONFIG_KEYBOARD_CYPRESS_SF is not set
# CONFIG_INPUT_MOUSE is not set
CONFIG_INPUT_JOYSTICK=y
CONFIG_JOYSTICK_ANALOG=m
# CONFIG_JOYSTICK_A3D is not set
CONFIG_JOYSTICK_ADC=m
# CONFIG_JOYSTICK_ADI is not set
CONFIG_JOYSTICK_COBRA=m
CONFIG_JOYSTICK_GF2K=m
# CONFIG_JOYSTICK_GRIP is not set
CONFIG_JOYSTICK_GRIP_MP=m
# CONFIG_JOYSTICK_GUILLEMOT is not set
CONFIG_JOYSTICK_INTERACT=m
CONFIG_JOYSTICK_SIDEWINDER=m
# CONFIG_JOYSTICK_TMDC is not set
CONFIG_JOYSTICK_IFORCE=m
CONFIG_JOYSTICK_IFORCE_USB=m
CONFIG_JOYSTICK_IFORCE_232=m
CONFIG_JOYSTICK_WARRIOR=m
# CONFIG_JOYSTICK_MAGELLAN is not set
# CONFIG_JOYSTICK_SPACEORB is not set
# CONFIG_JOYSTICK_SPACEBALL is not set
CONFIG_JOYSTICK_STINGER=m
# CONFIG_JOYSTICK_TWIDJOY is not set
CONFIG_JOYSTICK_ZHENHUA=m
CONFIG_JOYSTICK_AS5011=m
# CONFIG_JOYSTICK_JOYDUMP is not set
CONFIG_JOYSTICK_XPAD=m
CONFIG_JOYSTICK_XPAD_FF=y
CONFIG_JOYSTICK_XPAD_LEDS=y
# CONFIG_JOYSTICK_PSXPAD_SPI is not set
CONFIG_JOYSTICK_PXRC=m
# CONFIG_JOYSTICK_QWIIC is not set
CONFIG_JOYSTICK_FSIA6B=m
CONFIG_JOYSTICK_SENSEHAT=m
# CONFIG_INPUT_TABLET is not set
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_ADS7846 is not set
CONFIG_TOUCHSCREEN_AD7877=m
CONFIG_TOUCHSCREEN_AD7879=m
CONFIG_TOUCHSCREEN_AD7879_I2C=m
CONFIG_TOUCHSCREEN_AD7879_SPI=m
CONFIG_TOUCHSCREEN_ADC=m
CONFIG_TOUCHSCREEN_AR1021_I2C=m
CONFIG_TOUCHSCREEN_ATMEL_MXT=m
CONFIG_TOUCHSCREEN_AUO_PIXCIR=m
CONFIG_TOUCHSCREEN_BU21013=m
CONFIG_TOUCHSCREEN_BU21029=m
CONFIG_TOUCHSCREEN_CHIPONE_ICN8318=m
CONFIG_TOUCHSCREEN_CY8CTMA140=m
CONFIG_TOUCHSCREEN_CY8CTMG110=m
# CONFIG_TOUCHSCREEN_CYTTSP_CORE is not set
CONFIG_TOUCHSCREEN_CYTTSP4_CORE=m
CONFIG_TOUCHSCREEN_CYTTSP4_I2C=m
CONFIG_TOUCHSCREEN_CYTTSP4_SPI=m
CONFIG_TOUCHSCREEN_DA9052=m
# CONFIG_TOUCHSCREEN_DYNAPRO is not set
CONFIG_TOUCHSCREEN_HAMPSHIRE=m
# CONFIG_TOUCHSCREEN_EETI is not set
CONFIG_TOUCHSCREEN_EGALAX=m
CONFIG_TOUCHSCREEN_EGALAX_SERIAL=m
CONFIG_TOUCHSCREEN_EXC3000=m
CONFIG_TOUCHSCREEN_FUJITSU=m
CONFIG_TOUCHSCREEN_GOODIX=m
# CONFIG_TOUCHSCREEN_HIDEEP is not set
# CONFIG_TOUCHSCREEN_HYCON_HY46XX is not set
# CONFIG_TOUCHSCREEN_ILI210X is not set
CONFIG_TOUCHSCREEN_ILITEK=m
CONFIG_TOUCHSCREEN_IPROC=m
# CONFIG_TOUCHSCREEN_S6SY761 is not set
CONFIG_TOUCHSCREEN_GUNZE=m
CONFIG_TOUCHSCREEN_EKTF2127=m
CONFIG_TOUCHSCREEN_ELAN=m
# CONFIG_TOUCHSCREEN_ELO is not set
CONFIG_TOUCHSCREEN_WACOM_W8001=m
CONFIG_TOUCHSCREEN_WACOM_I2C=m
CONFIG_TOUCHSCREEN_MAX11801=m
# CONFIG_TOUCHSCREEN_MCS5000 is not set
CONFIG_TOUCHSCREEN_MMS114=m
# CONFIG_TOUCHSCREEN_MELFAS_MIP4 is not set
CONFIG_TOUCHSCREEN_MSG2638=m
CONFIG_TOUCHSCREEN_MTOUCH=m
# CONFIG_TOUCHSCREEN_IMAGIS is not set
CONFIG_TOUCHSCREEN_IMX6UL_TSC=m
CONFIG_TOUCHSCREEN_INEXIO=m
CONFIG_TOUCHSCREEN_MK712=m
CONFIG_TOUCHSCREEN_PENMOUNT=m
CONFIG_TOUCHSCREEN_EDT_FT5X06=m
CONFIG_TOUCHSCREEN_RASPBERRYPI_FW=m
CONFIG_TOUCHSCREEN_MIGOR=m
# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
CONFIG_TOUCHSCREEN_TOUCHWIN=m
# CONFIG_TOUCHSCREEN_TI_AM335X_TSC is not set
# CONFIG_TOUCHSCREEN_UCB1400 is not set
CONFIG_TOUCHSCREEN_PIXCIR=m
CONFIG_TOUCHSCREEN_WDT87XX_I2C=m
# CONFIG_TOUCHSCREEN_WM831X is not set
CONFIG_TOUCHSCREEN_WM97XX=m
CONFIG_TOUCHSCREEN_WM9705=y
# CONFIG_TOUCHSCREEN_WM9712 is not set
CONFIG_TOUCHSCREEN_WM9713=y
CONFIG_TOUCHSCREEN_USB_COMPOSITE=m
CONFIG_TOUCHSCREEN_MXS_LRADC=m
# CONFIG_TOUCHSCREEN_MC13783 is not set
CONFIG_TOUCHSCREEN_USB_EGALAX=y
# CONFIG_TOUCHSCREEN_USB_PANJIT is not set
# CONFIG_TOUCHSCREEN_USB_3M is not set
# CONFIG_TOUCHSCREEN_USB_ITM is not set
# CONFIG_TOUCHSCREEN_USB_ETURBO is not set
# CONFIG_TOUCHSCREEN_USB_GUNZE is not set
# CONFIG_TOUCHSCREEN_USB_DMC_TSC10 is not set
CONFIG_TOUCHSCREEN_USB_IRTOUCH=y
CONFIG_TOUCHSCREEN_USB_IDEALTEK=y
CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH=y
# CONFIG_TOUCHSCREEN_USB_GOTOP is not set
CONFIG_TOUCHSCREEN_USB_JASTEC=y
# CONFIG_TOUCHSCREEN_USB_ELO is not set
# CONFIG_TOUCHSCREEN_USB_E2I is not set
# CONFIG_TOUCHSCREEN_USB_ZYTRONIC is not set
CONFIG_TOUCHSCREEN_USB_ETT_TC45USB=y
CONFIG_TOUCHSCREEN_USB_NEXIO=y
# CONFIG_TOUCHSCREEN_USB_EASYTOUCH is not set
CONFIG_TOUCHSCREEN_TOUCHIT213=m
# CONFIG_TOUCHSCREEN_TS4800 is not set
CONFIG_TOUCHSCREEN_TSC_SERIO=m
# CONFIG_TOUCHSCREEN_TSC2004 is not set
# CONFIG_TOUCHSCREEN_TSC2005 is not set
# CONFIG_TOUCHSCREEN_TSC2007 is not set
CONFIG_TOUCHSCREEN_PCAP=m
CONFIG_TOUCHSCREEN_RM_TS=m
CONFIG_TOUCHSCREEN_SILEAD=m
# CONFIG_TOUCHSCREEN_SIS_I2C is not set
# CONFIG_TOUCHSCREEN_ST1232 is not set
CONFIG_TOUCHSCREEN_STMFTS=m
CONFIG_TOUCHSCREEN_STMPE=m
CONFIG_TOUCHSCREEN_SUN4I=m
CONFIG_TOUCHSCREEN_SURFACE3_SPI=m
# CONFIG_TOUCHSCREEN_SX8654 is not set
# CONFIG_TOUCHSCREEN_TPS6507X is not set
# CONFIG_TOUCHSCREEN_ZET6223 is not set
# CONFIG_TOUCHSCREEN_ZFORCE is not set
CONFIG_TOUCHSCREEN_COLIBRI_VF50=m
# CONFIG_TOUCHSCREEN_ROHM_BU21023 is not set
CONFIG_TOUCHSCREEN_IQS5XX=m
# CONFIG_TOUCHSCREEN_ZINITIX is not set
CONFIG_INPUT_MISC=y
CONFIG_INPUT_88PM80X_ONKEY=m
# CONFIG_INPUT_AD714X is not set
CONFIG_INPUT_ARIEL_PWRBUTTON=m
# CONFIG_INPUT_ATMEL_CAPTOUCH is not set
CONFIG_INPUT_BMA150=m
CONFIG_INPUT_E3X0_BUTTON=m
CONFIG_INPUT_PM8XXX_VIBRATOR=m
CONFIG_INPUT_PMIC8XXX_PWRKEY=m
CONFIG_INPUT_MAX77650_ONKEY=m
CONFIG_INPUT_MAX77693_HAPTIC=m
# CONFIG_INPUT_MAX8925_ONKEY is not set
CONFIG_INPUT_MC13783_PWRBUTTON=m
CONFIG_INPUT_MMA8450=m
CONFIG_INPUT_GPIO_BEEPER=m
CONFIG_INPUT_GPIO_DECODER=m
CONFIG_INPUT_GPIO_VIBRA=m
CONFIG_INPUT_CPCAP_PWRBUTTON=m
# CONFIG_INPUT_ATI_REMOTE2 is not set
CONFIG_INPUT_KEYSPAN_REMOTE=m
CONFIG_INPUT_KXTJ9=m
# CONFIG_INPUT_POWERMATE is not set
CONFIG_INPUT_YEALINK=m
CONFIG_INPUT_CM109=m
CONFIG_INPUT_REGULATOR_HAPTIC=m
CONFIG_INPUT_RETU_PWRBUTTON=m
CONFIG_INPUT_TPS65218_PWRBUTTON=m
CONFIG_INPUT_AXP20X_PEK=m
# CONFIG_INPUT_TWL4030_PWRBUTTON is not set
# CONFIG_INPUT_TWL4030_VIBRA is not set
CONFIG_INPUT_UINPUT=m
CONFIG_INPUT_PCF50633_PMU=m
CONFIG_INPUT_PCF8574=m
CONFIG_INPUT_PWM_BEEPER=m
# CONFIG_INPUT_PWM_VIBRA is not set
CONFIG_INPUT_RK805_PWRKEY=m
CONFIG_INPUT_GPIO_ROTARY_ENCODER=m
CONFIG_INPUT_DA7280_HAPTICS=m
CONFIG_INPUT_DA9052_ONKEY=m
CONFIG_INPUT_DA9063_ONKEY=m
# CONFIG_INPUT_WM831X_ON is not set
# CONFIG_INPUT_PCAP is not set
CONFIG_INPUT_ADXL34X=m
CONFIG_INPUT_ADXL34X_I2C=m
CONFIG_INPUT_ADXL34X_SPI=m
CONFIG_INPUT_IMS_PCU=m
CONFIG_INPUT_IQS269A=m
# CONFIG_INPUT_IQS626A is not set
CONFIG_INPUT_IQS7222=m
CONFIG_INPUT_CMA3000=m
CONFIG_INPUT_CMA3000_I2C=m
CONFIG_INPUT_DRV260X_HAPTICS=m
CONFIG_INPUT_DRV2665_HAPTICS=m
# CONFIG_INPUT_DRV2667_HAPTICS is not set
CONFIG_INPUT_HISI_POWERKEY=m
CONFIG_INPUT_SC27XX_VIBRA=m
CONFIG_INPUT_STPMIC1_ONKEY=m
CONFIG_RMI4_CORE=m
CONFIG_RMI4_I2C=m
# CONFIG_RMI4_SPI is not set
CONFIG_RMI4_SMB=m
# CONFIG_RMI4_F03 is not set
CONFIG_RMI4_2D_SENSOR=y
CONFIG_RMI4_F11=y
CONFIG_RMI4_F12=y
# CONFIG_RMI4_F30 is not set
# CONFIG_RMI4_F34 is not set
# CONFIG_RMI4_F3A is not set
CONFIG_RMI4_F55=y

#
# Hardware I/O ports
#
CONFIG_SERIO=m
CONFIG_SERIO_PCIPS2=m
CONFIG_SERIO_LIBPS2=m
CONFIG_SERIO_RAW=m
CONFIG_SERIO_ALTERA_PS2=m
CONFIG_SERIO_PS2MULT=m
CONFIG_SERIO_ARC_PS2=m
CONFIG_SERIO_APBPS2=m
CONFIG_SERIO_OLPC_APSP=m
# CONFIG_SERIO_SUN4I_PS2 is not set
CONFIG_SERIO_GPIO_PS2=m
CONFIG_USERIO=m
CONFIG_GAMEPORT=y
# CONFIG_GAMEPORT_NS558 is not set
# CONFIG_GAMEPORT_L4 is not set
# CONFIG_GAMEPORT_EMU10K1 is not set
# CONFIG_GAMEPORT_FM801 is not set
# end of Hardware I/O ports
# end of Input device support

#
# Character devices
#
# CONFIG_TTY is not set
# CONFIG_SERIAL_DEV_BUS is not set
CONFIG_IPMI_HANDLER=m
CONFIG_IPMI_PLAT_DATA=y
CONFIG_IPMI_PANIC_EVENT=y
# CONFIG_IPMI_PANIC_STRING is not set
CONFIG_IPMI_DEVICE_INTERFACE=m
CONFIG_IPMI_SI=m
# CONFIG_IPMI_SSIF is not set
# CONFIG_IPMI_IPMB is not set
# CONFIG_IPMI_WATCHDOG is not set
CONFIG_IPMI_POWEROFF=m
CONFIG_IPMI_KCS_BMC=y
CONFIG_ASPEED_KCS_IPMI_BMC=y
CONFIG_NPCM7XX_KCS_IPMI_BMC=y
CONFIG_IPMI_KCS_BMC_CDEV_IPMI=y
CONFIG_IPMI_KCS_BMC_SERIO=m
CONFIG_ASPEED_BT_IPMI_BMC=y
# CONFIG_IPMB_DEVICE_INTERFACE is not set
CONFIG_HW_RANDOM=y
# CONFIG_HW_RANDOM_TIMERIOMEM is not set
CONFIG_HW_RANDOM_ATMEL=m
# CONFIG_HW_RANDOM_BA431 is not set
CONFIG_HW_RANDOM_BCM2835=y
# CONFIG_HW_RANDOM_IPROC_RNG200 is not set
CONFIG_HW_RANDOM_IXP4XX=m
CONFIG_HW_RANDOM_OMAP=y
CONFIG_HW_RANDOM_OMAP3_ROM=y
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_HW_RANDOM_IMX_RNGC=y
# CONFIG_HW_RANDOM_NOMADIK is not set
CONFIG_HW_RANDOM_STM32=m
# CONFIG_HW_RANDOM_MESON is not set
CONFIG_HW_RANDOM_MTK=m
CONFIG_HW_RANDOM_EXYNOS=y
CONFIG_HW_RANDOM_NPCM=m
CONFIG_HW_RANDOM_KEYSTONE=y
CONFIG_HW_RANDOM_CCTRNG=y
CONFIG_HW_RANDOM_XIPHERA=m
# CONFIG_APPLICOM is not set
# CONFIG_DEVMEM is not set
# CONFIG_DEVPORT is not set
CONFIG_TCG_TPM=m
CONFIG_HW_RANDOM_TPM=y
# CONFIG_TCG_TIS is not set
# CONFIG_TCG_TIS_SPI is not set
# CONFIG_TCG_TIS_SYNQUACER is not set
# CONFIG_TCG_TIS_I2C_CR50 is not set
CONFIG_TCG_TIS_I2C_ATMEL=m
CONFIG_TCG_TIS_I2C_INFINEON=m
CONFIG_TCG_TIS_I2C_NUVOTON=m
CONFIG_TCG_ATMEL=m
CONFIG_TCG_VTPM_PROXY=m
CONFIG_TCG_TIS_ST33ZP24=m
CONFIG_TCG_TIS_ST33ZP24_I2C=m
CONFIG_TCG_TIS_ST33ZP24_SPI=m
CONFIG_XILLYBUS_CLASS=m
# CONFIG_XILLYBUS is not set
CONFIG_XILLYUSB=m
# CONFIG_RANDOM_TRUST_BOOTLOADER is not set
# end of Character devices

#
# I2C support
#
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
# CONFIG_I2C_COMPAT is not set
# CONFIG_I2C_CHARDEV is not set
CONFIG_I2C_MUX=y

#
# Multiplexer I2C Chip support
#
CONFIG_I2C_ARB_GPIO_CHALLENGE=m
# CONFIG_I2C_MUX_GPIO is not set
CONFIG_I2C_MUX_GPMUX=m
# CONFIG_I2C_MUX_LTC4306 is not set
# CONFIG_I2C_MUX_PCA9541 is not set
CONFIG_I2C_MUX_PCA954x=y
CONFIG_I2C_MUX_PINCTRL=y
CONFIG_I2C_MUX_REG=y
CONFIG_I2C_DEMUX_PINCTRL=y
CONFIG_I2C_MUX_MLXCPLD=y
# end of Multiplexer I2C Chip support

# CONFIG_I2C_HELPER_AUTO is not set
CONFIG_I2C_SMBUS=y

#
# I2C Algorithms
#
CONFIG_I2C_ALGOBIT=y
CONFIG_I2C_ALGOPCF=m
CONFIG_I2C_ALGOPCA=m
# end of I2C Algorithms

#
# I2C Hardware Bus support
#

#
# PC SMBus host controller drivers
#
CONFIG_I2C_CCGX_UCSI=y
CONFIG_I2C_ALI1535=y
CONFIG_I2C_ALI1563=m
CONFIG_I2C_ALI15X3=m
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
CONFIG_I2C_HIX5HD2=y
CONFIG_I2C_I801=m
CONFIG_I2C_ISCH=m
CONFIG_I2C_PIIX4=y
# CONFIG_I2C_NFORCE2 is not set
CONFIG_I2C_NVIDIA_GPU=y
CONFIG_I2C_SIS5595=y
CONFIG_I2C_SIS630=y
# CONFIG_I2C_SIS96X is not set
CONFIG_I2C_VIA=m
CONFIG_I2C_VIAPRO=y

#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
CONFIG_I2C_ALTERA=m
CONFIG_I2C_ASPEED=y
CONFIG_I2C_AT91=y
# CONFIG_I2C_AT91_SLAVE_EXPERIMENTAL is not set
# CONFIG_I2C_AXXIA is not set
CONFIG_I2C_BCM2835=y
CONFIG_I2C_BCM_IPROC=y
CONFIG_I2C_BCM_KONA=m
CONFIG_I2C_BRCMSTB=y
CONFIG_I2C_CADENCE=m
CONFIG_I2C_CBUS_GPIO=m
# CONFIG_I2C_DAVINCI is not set
CONFIG_I2C_DESIGNWARE_CORE=y
# CONFIG_I2C_DESIGNWARE_SLAVE is not set
CONFIG_I2C_DESIGNWARE_PLATFORM=y
CONFIG_I2C_DESIGNWARE_PCI=y
CONFIG_I2C_DIGICOLOR=y
# CONFIG_I2C_EG20T is not set
CONFIG_I2C_EMEV2=m
CONFIG_I2C_EXYNOS5=y
CONFIG_I2C_GPIO=m
# CONFIG_I2C_GPIO_FAULT_INJECTOR is not set
# CONFIG_I2C_HIGHLANDER is not set
CONFIG_I2C_HISI=m
# CONFIG_I2C_IMG is not set
# CONFIG_I2C_IMX is not set
# CONFIG_I2C_IMX_LPI2C is not set
CONFIG_I2C_IOP3XX=y
CONFIG_I2C_JZ4780=y
# CONFIG_I2C_KEMPLD is not set
CONFIG_I2C_LPC2K=m
CONFIG_I2C_MESON=y
# CONFIG_I2C_MT65XX is not set
CONFIG_I2C_MT7621=m
CONFIG_I2C_MV64XXX=m
CONFIG_I2C_MXS=m
# CONFIG_I2C_NPCM7XX is not set
# CONFIG_I2C_OCORES is not set
CONFIG_I2C_OMAP=y
# CONFIG_I2C_OWL is not set
CONFIG_I2C_APPLE=m
CONFIG_I2C_PCA_PLATFORM=m
CONFIG_I2C_PNX=m
CONFIG_I2C_PXA=m
CONFIG_I2C_PXA_SLAVE=y
CONFIG_I2C_QCOM_CCI=m
CONFIG_I2C_QCOM_GENI=m
CONFIG_I2C_QUP=m
# CONFIG_I2C_RIIC is not set
# CONFIG_I2C_RK3X is not set
CONFIG_I2C_S3C2410=y
CONFIG_I2C_SH_MOBILE=y
CONFIG_I2C_SIMTEC=y
# CONFIG_I2C_SPRD is not set
CONFIG_I2C_ST=y
CONFIG_I2C_STM32F4=m
CONFIG_I2C_STM32F7=m
# CONFIG_I2C_SUN6I_P2WI is not set
CONFIG_I2C_SYNQUACER=y
# CONFIG_I2C_TEGRA is not set
CONFIG_I2C_TEGRA_BPMP=m
CONFIG_I2C_UNIPHIER=y
# CONFIG_I2C_UNIPHIER_F is not set
CONFIG_I2C_VERSATILE=y
# CONFIG_I2C_WMT is not set
CONFIG_I2C_XILINX=m
CONFIG_I2C_XLP9XX=m
CONFIG_I2C_RCAR=m

#
# External I2C/SMBus adapter drivers
#
# CONFIG_I2C_DIOLAN_U2C is not set
# CONFIG_I2C_CP2615 is not set
CONFIG_I2C_ROBOTFUZZ_OSIF=m
CONFIG_I2C_TINY_USB=m
CONFIG_I2C_VIPERBOARD=m

#
# Other I2C/SMBus bus drivers
#
CONFIG_I2C_MLXCPLD=y
CONFIG_I2C_FSI=m
CONFIG_I2C_VIRTIO=y
# end of I2C Hardware Bus support

CONFIG_I2C_STUB=m
CONFIG_I2C_SLAVE=y
CONFIG_I2C_SLAVE_EEPROM=y
CONFIG_I2C_SLAVE_TESTUNIT=y
CONFIG_I2C_DEBUG_CORE=y
CONFIG_I2C_DEBUG_ALGO=y
# CONFIG_I2C_DEBUG_BUS is not set
# end of I2C support

# CONFIG_I3C is not set
CONFIG_SPI=y
CONFIG_SPI_DEBUG=y
CONFIG_SPI_MASTER=y
CONFIG_SPI_MEM=y

#
# SPI Master Controller Drivers
#
CONFIG_SPI_ALTERA=y
CONFIG_SPI_ALTERA_CORE=y
CONFIG_SPI_ALTERA_DFL=m
CONFIG_SPI_AR934X=y
# CONFIG_SPI_ATH79 is not set
# CONFIG_SPI_ARMADA_3700 is not set
CONFIG_SPI_ASPEED_SMC=y
CONFIG_SPI_ATMEL=m
# CONFIG_SPI_ATMEL_QUADSPI is not set
CONFIG_SPI_AXI_SPI_ENGINE=m
# CONFIG_SPI_BCM2835 is not set
CONFIG_SPI_BCM2835AUX=y
# CONFIG_SPI_BCM63XX is not set
CONFIG_SPI_BCM63XX_HSSPI=m
# CONFIG_SPI_BCM_QSPI is not set
CONFIG_SPI_BITBANG=y
CONFIG_SPI_CADENCE=m
# CONFIG_SPI_CADENCE_QUADSPI is not set
CONFIG_SPI_CADENCE_XSPI=y
# CONFIG_SPI_CLPS711X is not set
# CONFIG_SPI_DESIGNWARE is not set
CONFIG_SPI_EP93XX=y
CONFIG_SPI_FSI=m
# CONFIG_SPI_FSL_LPSPI is not set
CONFIG_SPI_FSL_QUADSPI=y
CONFIG_SPI_HISI_KUNPENG=y
CONFIG_SPI_HISI_SFC_V3XX=m
CONFIG_SPI_NXP_FLEXSPI=y
# CONFIG_SPI_GPIO is not set
CONFIG_SPI_IMG_SPFI=m
# CONFIG_SPI_IMX is not set
CONFIG_SPI_INGENIC=y
CONFIG_SPI_INTEL=y
CONFIG_SPI_INTEL_PCI=y
# CONFIG_SPI_INTEL_PLATFORM is not set
# CONFIG_SPI_JCORE is not set
CONFIG_SPI_LP8841_RTC=m
CONFIG_SPI_FSL_LIB=m
CONFIG_SPI_FSL_SPI=m
CONFIG_SPI_FSL_DSPI=y
CONFIG_SPI_MESON_SPICC=m
CONFIG_SPI_MESON_SPIFC=y
# CONFIG_SPI_MT65XX is not set
CONFIG_SPI_MT7621=y
# CONFIG_SPI_MTK_NOR is not set
CONFIG_SPI_NPCM_FIU=m
CONFIG_SPI_NPCM_PSPI=y
# CONFIG_SPI_LANTIQ_SSC is not set
# CONFIG_SPI_OC_TINY is not set
# CONFIG_SPI_OMAP24XX is not set
CONFIG_SPI_TI_QSPI=y
# CONFIG_SPI_OMAP_100K is not set
CONFIG_SPI_ORION=m
CONFIG_SPI_PIC32=m
CONFIG_SPI_PIC32_SQI=y
CONFIG_SPI_PXA2XX=y
CONFIG_SPI_PXA2XX_PCI=y
CONFIG_SPI_ROCKCHIP=y
CONFIG_SPI_ROCKCHIP_SFC=y
CONFIG_SPI_RSPI=y
# CONFIG_SPI_QUP is not set
# CONFIG_SPI_QCOM_GENI is not set
CONFIG_SPI_S3C64XX=m
CONFIG_SPI_SC18IS602=m
CONFIG_SPI_SH_MSIOF=y
CONFIG_SPI_SH=m
CONFIG_SPI_SH_HSPI=m
CONFIG_SPI_SIFIVE=m
CONFIG_SPI_SLAVE_MT27XX=y
CONFIG_SPI_SPRD=m
# CONFIG_SPI_SPRD_ADI is not set
CONFIG_SPI_STM32=m
# CONFIG_SPI_STM32_QSPI is not set
CONFIG_SPI_ST_SSC4=y
CONFIG_SPI_SUN4I=m
CONFIG_SPI_SUN6I=y
CONFIG_SPI_SUNPLUS_SP7021=m
CONFIG_SPI_SYNQUACER=m
CONFIG_SPI_MXIC=y
# CONFIG_SPI_TEGRA210_QUAD is not set
CONFIG_SPI_TEGRA114=y
# CONFIG_SPI_TEGRA20_SFLASH is not set
CONFIG_SPI_TEGRA20_SLINK=m
# CONFIG_SPI_TOPCLIFF_PCH is not set
CONFIG_SPI_UNIPHIER=y
# CONFIG_SPI_XCOMM is not set
CONFIG_SPI_XILINX=y
CONFIG_SPI_XLP=m
CONFIG_SPI_XTENSA_XTFPGA=y
CONFIG_SPI_ZYNQ_QSPI=y
# CONFIG_SPI_ZYNQMP_GQSPI is not set
# CONFIG_SPI_AMD is not set

#
# SPI Multiplexer support
#
# CONFIG_SPI_MUX is not set

#
# SPI Protocol Masters
#
# CONFIG_SPI_SPIDEV is not set
CONFIG_SPI_LOOPBACK_TEST=m
# CONFIG_SPI_TLE62X0 is not set
CONFIG_SPI_SLAVE=y
# CONFIG_SPI_SLAVE_TIME is not set
# CONFIG_SPI_SLAVE_SYSTEM_CONTROL is not set
CONFIG_SPI_DYNAMIC=y
# CONFIG_SPMI is not set
CONFIG_HSI=y
CONFIG_HSI_BOARDINFO=y

#
# HSI controllers
#

#
# HSI clients
#
CONFIG_HSI_CHAR=m
CONFIG_PPS=y
CONFIG_PPS_DEBUG=y

#
# PPS clients support
#
CONFIG_PPS_CLIENT_KTIMER=y
CONFIG_PPS_CLIENT_GPIO=m

#
# PPS generators support
#

#
# PTP clock support
#
CONFIG_PTP_1588_CLOCK_OPTIONAL=y

#
# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks.
#
# end of PTP clock support

CONFIG_PINCTRL=y
CONFIG_GENERIC_PINCTRL_GROUPS=y
CONFIG_PINMUX=y
CONFIG_GENERIC_PINMUX_FUNCTIONS=y
CONFIG_PINCONF=y
CONFIG_GENERIC_PINCONF=y
# CONFIG_DEBUG_PINCTRL is not set
# CONFIG_PINCTRL_AMD is not set
CONFIG_PINCTRL_AS3722=m
CONFIG_PINCTRL_AT91PIO4=y
CONFIG_PINCTRL_AXP209=m
CONFIG_PINCTRL_BM1880=y
CONFIG_PINCTRL_DA850_PUPD=y
# CONFIG_PINCTRL_DA9062 is not set
CONFIG_PINCTRL_EQUILIBRIUM=m
# CONFIG_PINCTRL_INGENIC is not set
CONFIG_PINCTRL_LPC18XX=y
CONFIG_PINCTRL_MCP23S08_I2C=y
CONFIG_PINCTRL_MCP23S08_SPI=y
CONFIG_PINCTRL_MCP23S08=y
CONFIG_PINCTRL_MICROCHIP_SGPIO=y
# CONFIG_PINCTRL_OCELOT is not set
# CONFIG_PINCTRL_PISTACHIO is not set
# CONFIG_PINCTRL_RK805 is not set
# CONFIG_PINCTRL_ROCKCHIP is not set
# CONFIG_PINCTRL_SINGLE is not set
# CONFIG_PINCTRL_STARFIVE is not set
# CONFIG_PINCTRL_STMFX is not set
# CONFIG_PINCTRL_SX150X is not set
# CONFIG_PINCTRL_OWL is not set
CONFIG_PINCTRL_ASPEED=y
CONFIG_PINCTRL_ASPEED_G4=y
CONFIG_PINCTRL_ASPEED_G5=y
# CONFIG_PINCTRL_ASPEED_G6 is not set
CONFIG_PINCTRL_BCM281XX=y
CONFIG_PINCTRL_BCM2835=y
CONFIG_PINCTRL_BCM4908=y
CONFIG_PINCTRL_BCM63XX=y
CONFIG_PINCTRL_BCM6318=y
CONFIG_PINCTRL_BCM6328=y
CONFIG_PINCTRL_BCM6358=y
# CONFIG_PINCTRL_BCM6362 is not set
CONFIG_PINCTRL_BCM6368=y
CONFIG_PINCTRL_BCM63268=y
CONFIG_PINCTRL_IPROC_GPIO=y
# CONFIG_PINCTRL_CYGNUS_MUX is not set
# CONFIG_PINCTRL_NS is not set
CONFIG_PINCTRL_NSP_GPIO=y
CONFIG_PINCTRL_NS2_MUX=y
CONFIG_PINCTRL_NSP_MUX=y
CONFIG_PINCTRL_BERLIN=y
# CONFIG_PINCTRL_AS370 is not set
CONFIG_PINCTRL_BERLIN_BG4CT=y

#
# Intel pinctrl drivers
#
# end of Intel pinctrl drivers

#
# MediaTek pinctrl drivers
#
CONFIG_EINT_MTK=y
CONFIG_PINCTRL_MTK=y
CONFIG_PINCTRL_MTK_V2=y
CONFIG_PINCTRL_MTK_MOORE=y
CONFIG_PINCTRL_MTK_PARIS=y
CONFIG_PINCTRL_MT2701=y
CONFIG_PINCTRL_MT7623=y
CONFIG_PINCTRL_MT7629=y
# CONFIG_PINCTRL_MT8135 is not set
# CONFIG_PINCTRL_MT8127 is not set
# CONFIG_PINCTRL_MT2712 is not set
CONFIG_PINCTRL_MT6765=m
# CONFIG_PINCTRL_MT6779 is not set
CONFIG_PINCTRL_MT6795=y
# CONFIG_PINCTRL_MT6797 is not set
# CONFIG_PINCTRL_MT7622 is not set
CONFIG_PINCTRL_MT7986=y
# CONFIG_PINCTRL_MT8167 is not set
# CONFIG_PINCTRL_MT8173 is not set
# CONFIG_PINCTRL_MT8183 is not set
# CONFIG_PINCTRL_MT8186 is not set
# CONFIG_PINCTRL_MT8192 is not set
CONFIG_PINCTRL_MT8195=y
CONFIG_PINCTRL_MT8365=y
# CONFIG_PINCTRL_MT8516 is not set
# CONFIG_PINCTRL_MT6397 is not set
# end of MediaTek pinctrl drivers

CONFIG_PINCTRL_MESON=y
CONFIG_PINCTRL_WPCM450=y
# CONFIG_PINCTRL_NPCM7XX is not set
CONFIG_PINCTRL_PXA=y
# CONFIG_PINCTRL_PXA25X is not set
CONFIG_PINCTRL_PXA27X=y
CONFIG_PINCTRL_MSM=y
CONFIG_PINCTRL_APQ8064=y
CONFIG_PINCTRL_APQ8084=m
# CONFIG_PINCTRL_IPQ4019 is not set
CONFIG_PINCTRL_IPQ8064=y
# CONFIG_PINCTRL_IPQ8074 is not set
CONFIG_PINCTRL_IPQ6018=m
CONFIG_PINCTRL_MSM8226=m
# CONFIG_PINCTRL_MSM8660 is not set
# CONFIG_PINCTRL_MSM8960 is not set
CONFIG_PINCTRL_MDM9607=y
# CONFIG_PINCTRL_MDM9615 is not set
# CONFIG_PINCTRL_MSM8X74 is not set
CONFIG_PINCTRL_MSM8916=m
# CONFIG_PINCTRL_MSM8953 is not set
# CONFIG_PINCTRL_MSM8976 is not set
CONFIG_PINCTRL_MSM8994=y
CONFIG_PINCTRL_MSM8996=y
# CONFIG_PINCTRL_MSM8998 is not set
CONFIG_PINCTRL_QCM2290=m
CONFIG_PINCTRL_QCS404=m
# CONFIG_PINCTRL_QCOM_SSBI_PMIC is not set
CONFIG_PINCTRL_SC7180=y
CONFIG_PINCTRL_SC7280=m
CONFIG_PINCTRL_SC7280_LPASS_LPI=m
# CONFIG_PINCTRL_SC8180X is not set
# CONFIG_PINCTRL_SC8280XP is not set
CONFIG_PINCTRL_SDM660=y
# CONFIG_PINCTRL_SDM845 is not set
# CONFIG_PINCTRL_SDX55 is not set
CONFIG_PINCTRL_SM6115=y
CONFIG_PINCTRL_SM6125=y
CONFIG_PINCTRL_SM6350=y
CONFIG_PINCTRL_SDX65=y
CONFIG_PINCTRL_SM8150=m
# CONFIG_PINCTRL_SM8250 is not set
# CONFIG_PINCTRL_SM8250_LPASS_LPI is not set
CONFIG_PINCTRL_SM8350=y
CONFIG_PINCTRL_SM8450=m
CONFIG_PINCTRL_LPASS_LPI=y

#
# Renesas pinctrl drivers
#
CONFIG_PINCTRL_RENESAS=y
CONFIG_PINCTRL_SH_PFC=y
CONFIG_PINCTRL_SH_PFC_GPIO=y
CONFIG_PINCTRL_SH_FUNC_GPIO=y
CONFIG_PINCTRL_PFC_EMEV2=y
# CONFIG_PINCTRL_PFC_R8A77995 is not set
CONFIG_PINCTRL_PFC_R8A7794=y
# CONFIG_PINCTRL_PFC_R8A77990 is not set
# CONFIG_PINCTRL_PFC_R8A7779 is not set
CONFIG_PINCTRL_PFC_R8A7790=y
# CONFIG_PINCTRL_PFC_R8A77950 is not set
# CONFIG_PINCTRL_PFC_R8A77951 is not set
# CONFIG_PINCTRL_PFC_R8A7778 is not set
CONFIG_PINCTRL_PFC_R8A7793=y
# CONFIG_PINCTRL_PFC_R8A7791 is not set
# CONFIG_PINCTRL_PFC_R8A77965 is not set
CONFIG_PINCTRL_PFC_R8A77960=y
# CONFIG_PINCTRL_PFC_R8A77961 is not set
# CONFIG_PINCTRL_PFC_R8A779F0 is not set
CONFIG_PINCTRL_PFC_R8A7792=y
# CONFIG_PINCTRL_PFC_R8A77980 is not set
CONFIG_PINCTRL_PFC_R8A77970=y
CONFIG_PINCTRL_PFC_R8A779A0=y
# CONFIG_PINCTRL_PFC_R8A7740 is not set
CONFIG_PINCTRL_PFC_R8A73A4=y
# CONFIG_PINCTRL_RZA1 is not set
# CONFIG_PINCTRL_RZA2 is not set
CONFIG_PINCTRL_RZG2L=y
# CONFIG_PINCTRL_PFC_R8A77470 is not set
CONFIG_PINCTRL_PFC_R8A7745=y
CONFIG_PINCTRL_PFC_R8A7742=y
CONFIG_PINCTRL_PFC_R8A7743=y
CONFIG_PINCTRL_PFC_R8A7744=y
CONFIG_PINCTRL_PFC_R8A774C0=y
# CONFIG_PINCTRL_PFC_R8A774E1 is not set
# CONFIG_PINCTRL_PFC_R8A774A1 is not set
CONFIG_PINCTRL_PFC_R8A774B1=y
# CONFIG_PINCTRL_RZN1 is not set
CONFIG_PINCTRL_PFC_SH7203=y
CONFIG_PINCTRL_PFC_SH7264=y
CONFIG_PINCTRL_PFC_SH7269=y
CONFIG_PINCTRL_PFC_SH7720=y
CONFIG_PINCTRL_PFC_SH7722=y
# CONFIG_PINCTRL_PFC_SH7734 is not set
CONFIG_PINCTRL_PFC_SH7757=y
# CONFIG_PINCTRL_PFC_SH7785 is not set
CONFIG_PINCTRL_PFC_SH7786=y
# CONFIG_PINCTRL_PFC_SH73A0 is not set
# CONFIG_PINCTRL_PFC_SH7723 is not set
CONFIG_PINCTRL_PFC_SH7724=y
# CONFIG_PINCTRL_PFC_SHX3 is not set
# end of Renesas pinctrl drivers

CONFIG_PINCTRL_SAMSUNG=y
CONFIG_PINCTRL_EXYNOS=y
# CONFIG_PINCTRL_EXYNOS_ARM is not set
# CONFIG_PINCTRL_EXYNOS_ARM64 is not set
# CONFIG_PINCTRL_S3C24XX is not set
CONFIG_PINCTRL_S3C64XX=y
CONFIG_PINCTRL_SPRD=m
CONFIG_PINCTRL_SPRD_SC9860=m
CONFIG_PINCTRL_STM32=y
CONFIG_PINCTRL_STM32F429=y
# CONFIG_PINCTRL_STM32F469 is not set
# CONFIG_PINCTRL_STM32F746 is not set
# CONFIG_PINCTRL_STM32F769 is not set
# CONFIG_PINCTRL_STM32H743 is not set
# CONFIG_PINCTRL_STM32MP135 is not set
# CONFIG_PINCTRL_STM32MP157 is not set
# CONFIG_PINCTRL_TI_IODELAY is not set
# CONFIG_PINCTRL_UNIPHIER is not set
# CONFIG_PINCTRL_TMPV7700 is not set
CONFIG_GPIOLIB=y
CONFIG_GPIOLIB_FASTPATH_LIMIT=512
CONFIG_OF_GPIO=y
CONFIG_GPIOLIB_IRQCHIP=y
CONFIG_DEBUG_GPIO=y
# CONFIG_GPIO_SYSFS is not set
# CONFIG_GPIO_CDEV is not set
CONFIG_GPIO_GENERIC=y
CONFIG_GPIO_REGMAP=y
CONFIG_GPIO_MAX730X=y

#
# Memory mapped GPIO drivers
#
CONFIG_GPIO_74XX_MMIO=y
CONFIG_GPIO_ALTERA=m
CONFIG_GPIO_ASPEED=y
# CONFIG_GPIO_ASPEED_SGPIO is not set
CONFIG_GPIO_ATH79=y
CONFIG_GPIO_RASPBERRYPI_EXP=m
CONFIG_GPIO_BCM_KONA=y
CONFIG_GPIO_BCM_XGS_IPROC=m
CONFIG_GPIO_BRCMSTB=m
# CONFIG_GPIO_CADENCE is not set
# CONFIG_GPIO_CLPS711X is not set
# CONFIG_GPIO_DWAPB is not set
CONFIG_GPIO_EIC_SPRD=m
# CONFIG_GPIO_EM is not set
# CONFIG_GPIO_FTGPIO010 is not set
CONFIG_GPIO_GENERIC_PLATFORM=m
# CONFIG_GPIO_GRGPIO is not set
CONFIG_GPIO_HISI=y
# CONFIG_GPIO_HLWD is not set
CONFIG_GPIO_IOP=m
# CONFIG_GPIO_LOGICVC is not set
CONFIG_GPIO_LPC18XX=y
# CONFIG_GPIO_LPC32XX is not set
CONFIG_GPIO_MB86S7X=y
# CONFIG_GPIO_MENZ127 is not set
# CONFIG_GPIO_MPC8XXX is not set
CONFIG_GPIO_MT7621=y
CONFIG_GPIO_MXC=m
# CONFIG_GPIO_MXS is not set
# CONFIG_GPIO_PMIC_EIC_SPRD is not set
# CONFIG_GPIO_PXA is not set
CONFIG_GPIO_RCAR=m
# CONFIG_GPIO_RDA is not set
CONFIG_GPIO_ROCKCHIP=m
# CONFIG_GPIO_SAMA5D2_PIOBU is not set
# CONFIG_GPIO_SIFIVE is not set
CONFIG_GPIO_SIOX=y
# CONFIG_GPIO_SNPS_CREG is not set
CONFIG_GPIO_SPRD=m
CONFIG_GPIO_STP_XWAY=y
CONFIG_GPIO_SYSCON=y
CONFIG_GPIO_TEGRA=m
# CONFIG_GPIO_TEGRA186 is not set
# CONFIG_GPIO_TS4800 is not set
CONFIG_GPIO_UNIPHIER=y
CONFIG_GPIO_VISCONTI=y
CONFIG_GPIO_VX855=m
CONFIG_GPIO_WCD934X=m
CONFIG_GPIO_XGENE_SB=y
CONFIG_GPIO_XILINX=y
CONFIG_GPIO_XLP=y
CONFIG_GPIO_AMD_FCH=m
CONFIG_GPIO_IDT3243X=m
# end of Memory mapped GPIO drivers

#
# I2C GPIO expanders
#
CONFIG_GPIO_ADP5588=y
CONFIG_GPIO_ADP5588_IRQ=y
# CONFIG_GPIO_ADNP is not set
CONFIG_GPIO_GW_PLD=y
CONFIG_GPIO_MAX7300=y
CONFIG_GPIO_MAX732X=y
# CONFIG_GPIO_MAX732X_IRQ is not set
CONFIG_GPIO_PCA953X=m
CONFIG_GPIO_PCA953X_IRQ=y
# CONFIG_GPIO_PCA9570 is not set
CONFIG_GPIO_PCF857X=m
# CONFIG_GPIO_TPIC2810 is not set
# CONFIG_GPIO_TS4900 is not set
# end of I2C GPIO expanders

#
# MFD GPIO expanders
#
CONFIG_GPIO_ADP5520=y
CONFIG_GPIO_ARIZONA=m
CONFIG_GPIO_BD9571MWV=y
CONFIG_GPIO_DA9052=m
CONFIG_GPIO_JANZ_TTL=m
CONFIG_GPIO_KEMPLD=m
CONFIG_GPIO_LP3943=m
CONFIG_GPIO_LP873X=y
CONFIG_GPIO_LP87565=y
CONFIG_GPIO_MAX77650=m
# CONFIG_GPIO_RC5T583 is not set
CONFIG_GPIO_SL28CPLD=y
CONFIG_GPIO_STMPE=y
CONFIG_GPIO_TC3589X=y
CONFIG_GPIO_TPS65086=m
CONFIG_GPIO_TPS65218=m
# CONFIG_GPIO_TPS6586X is not set
CONFIG_GPIO_TPS65912=m
CONFIG_GPIO_TQMX86=m
CONFIG_GPIO_TWL4030=y
CONFIG_GPIO_UCB1400=m
CONFIG_GPIO_WM831X=y
CONFIG_GPIO_WM8350=m
# end of MFD GPIO expanders

#
# PCI GPIO expanders
#
CONFIG_GPIO_AMD8111=y
# CONFIG_GPIO_BT8XX is not set
CONFIG_GPIO_ML_IOH=y
CONFIG_GPIO_PCH=y
CONFIG_GPIO_PCI_IDIO_16=y
# CONFIG_GPIO_PCIE_IDIO_24 is not set
# CONFIG_GPIO_RDC321X is not set
# end of PCI GPIO expanders

#
# SPI GPIO expanders
#
CONFIG_GPIO_74X164=m
CONFIG_GPIO_MAX3191X=m
# CONFIG_GPIO_MAX7301 is not set
CONFIG_GPIO_MC33880=y
# CONFIG_GPIO_PISOSR is not set
# CONFIG_GPIO_XRA1403 is not set
CONFIG_GPIO_MOXTET=m
# end of SPI GPIO expanders

#
# USB GPIO expanders
#
# CONFIG_GPIO_VIPERBOARD is not set
# end of USB GPIO expanders

#
# Virtual GPIO drivers
#
CONFIG_GPIO_AGGREGATOR=m
CONFIG_GPIO_MOCKUP=m
# CONFIG_GPIO_VIRTIO is not set
# CONFIG_GPIO_SIM is not set
# end of Virtual GPIO drivers

CONFIG_W1=y

#
# 1-wire Bus Masters
#
CONFIG_W1_MASTER_MATROX=m
CONFIG_W1_MASTER_DS2490=y
CONFIG_W1_MASTER_DS2482=y
CONFIG_W1_MASTER_MXC=m
CONFIG_W1_MASTER_DS1WM=y
# CONFIG_W1_MASTER_GPIO is not set
CONFIG_W1_MASTER_SGI=y
# end of 1-wire Bus Masters

#
# 1-wire Slaves
#
CONFIG_W1_SLAVE_THERM=y
CONFIG_W1_SLAVE_SMEM=m
CONFIG_W1_SLAVE_DS2405=y
CONFIG_W1_SLAVE_DS2408=y
# CONFIG_W1_SLAVE_DS2408_READBACK is not set
CONFIG_W1_SLAVE_DS2413=m
# CONFIG_W1_SLAVE_DS2406 is not set
# CONFIG_W1_SLAVE_DS2423 is not set
CONFIG_W1_SLAVE_DS2805=m
CONFIG_W1_SLAVE_DS2430=m
CONFIG_W1_SLAVE_DS2431=y
CONFIG_W1_SLAVE_DS2433=y
CONFIG_W1_SLAVE_DS2433_CRC=y
CONFIG_W1_SLAVE_DS2438=m
CONFIG_W1_SLAVE_DS250X=m
CONFIG_W1_SLAVE_DS2780=y
CONFIG_W1_SLAVE_DS2781=y
# CONFIG_W1_SLAVE_DS28E04 is not set
# CONFIG_W1_SLAVE_DS28E17 is not set
# end of 1-wire Slaves

# CONFIG_POWER_RESET is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
# CONFIG_POWER_SUPPLY_HWMON is not set
# CONFIG_PDA_POWER is not set
CONFIG_GENERIC_ADC_BATTERY=m
CONFIG_IP5XXX_POWER=y
CONFIG_MAX8925_POWER=m
CONFIG_WM831X_BACKUP=m
CONFIG_WM831X_POWER=m
CONFIG_WM8350_POWER=y
CONFIG_TEST_POWER=y
# CONFIG_CHARGER_ADP5061 is not set
CONFIG_BATTERY_ACT8945A=m
CONFIG_BATTERY_CPCAP=m
CONFIG_BATTERY_CW2015=y
# CONFIG_BATTERY_DS2760 is not set
CONFIG_BATTERY_DS2780=y
CONFIG_BATTERY_DS2781=y
CONFIG_BATTERY_DS2782=m
CONFIG_BATTERY_LEGO_EV3=m
# CONFIG_BATTERY_SAMSUNG_SDI is not set
# CONFIG_BATTERY_INGENIC is not set
# CONFIG_BATTERY_SBS is not set
CONFIG_CHARGER_SBS=y
CONFIG_MANAGER_SBS=m
CONFIG_BATTERY_BQ27XXX=y
# CONFIG_BATTERY_BQ27XXX_I2C is not set
# CONFIG_BATTERY_BQ27XXX_HDQ is not set
CONFIG_BATTERY_DA9052=m
CONFIG_BATTERY_DA9150=y
CONFIG_CHARGER_AXP20X=m
# CONFIG_BATTERY_AXP20X is not set
CONFIG_AXP20X_POWER=m
CONFIG_BATTERY_MAX17040=y
CONFIG_BATTERY_MAX17042=y
CONFIG_BATTERY_MAX1721X=y
# CONFIG_BATTERY_TWL4030_MADC is not set
# CONFIG_CHARGER_PCF50633 is not set
CONFIG_BATTERY_RX51=m
CONFIG_CHARGER_CPCAP=m
CONFIG_CHARGER_ISP1704=y
CONFIG_CHARGER_MAX8903=y
# CONFIG_CHARGER_TWL4030 is not set
# CONFIG_CHARGER_LP8727 is not set
# CONFIG_CHARGER_GPIO is not set
CONFIG_CHARGER_MANAGER=y
# CONFIG_CHARGER_LT3651 is not set
CONFIG_CHARGER_LTC4162L=m
# CONFIG_CHARGER_MAX14577 is not set
CONFIG_CHARGER_DETECTOR_MAX14656=y
CONFIG_CHARGER_MAX77650=m
# CONFIG_CHARGER_MAX77693 is not set
# CONFIG_CHARGER_MAX77976 is not set
# CONFIG_CHARGER_MAX8998 is not set
CONFIG_CHARGER_MP2629=m
CONFIG_CHARGER_MT6360=m
CONFIG_CHARGER_QCOM_SMBB=y
CONFIG_CHARGER_BQ2415X=y
CONFIG_CHARGER_BQ24190=m
# CONFIG_CHARGER_BQ24257 is not set
CONFIG_CHARGER_BQ24735=m
CONFIG_CHARGER_BQ2515X=m
CONFIG_CHARGER_BQ25890=y
# CONFIG_CHARGER_BQ25980 is not set
CONFIG_CHARGER_BQ256XX=m
CONFIG_CHARGER_SMB347=y
CONFIG_CHARGER_TPS65090=y
CONFIG_BATTERY_GAUGE_LTC2941=y
CONFIG_BATTERY_GOLDFISH=m
CONFIG_BATTERY_RT5033=y
CONFIG_CHARGER_RT9455=m
CONFIG_CHARGER_SC2731=m
CONFIG_FUEL_GAUGE_SC27XX=m
CONFIG_CHARGER_UCS1002=y
CONFIG_CHARGER_BD99954=y
# CONFIG_RN5T618_POWER is not set
# CONFIG_BATTERY_ACER_A500 is not set
CONFIG_BATTERY_UG3105=m
CONFIG_HWMON=y
CONFIG_HWMON_VID=y
CONFIG_HWMON_DEBUG_CHIP=y

#
# Native drivers
#
CONFIG_SENSORS_AD7314=m
CONFIG_SENSORS_AD7414=y
CONFIG_SENSORS_AD7418=y
CONFIG_SENSORS_ADM1021=m
# CONFIG_SENSORS_ADM1025 is not set
CONFIG_SENSORS_ADM1026=m
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
CONFIG_SENSORS_ADM1177=y
CONFIG_SENSORS_ADM9240=m
# CONFIG_SENSORS_ADT7310 is not set
# CONFIG_SENSORS_ADT7410 is not set
CONFIG_SENSORS_ADT7411=y
CONFIG_SENSORS_ADT7462=y
CONFIG_SENSORS_ADT7470=y
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_AHT10 is not set
# CONFIG_SENSORS_AQUACOMPUTER_D5NEXT is not set
# CONFIG_SENSORS_AS370 is not set
CONFIG_SENSORS_ASC7621=m
CONFIG_SENSORS_AXI_FAN_CONTROL=m
CONFIG_SENSORS_ARM_SCMI=y
CONFIG_SENSORS_ASPEED=m
CONFIG_SENSORS_ATXP1=m
# CONFIG_SENSORS_BT1_PVT is not set
# CONFIG_SENSORS_CORSAIR_CPRO is not set
CONFIG_SENSORS_CORSAIR_PSU=m
CONFIG_SENSORS_DRIVETEMP=m
# CONFIG_SENSORS_DS620 is not set
CONFIG_SENSORS_DS1621=m
CONFIG_SENSORS_DA9052_ADC=y
CONFIG_SENSORS_I5K_AMB=m
CONFIG_SENSORS_SPARX5=m
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_F71882FG is not set
CONFIG_SENSORS_F75375S=m
CONFIG_SENSORS_MC13783_ADC=m
# CONFIG_SENSORS_GL518SM is not set
CONFIG_SENSORS_GL520SM=m
CONFIG_SENSORS_G760A=m
CONFIG_SENSORS_G762=m
CONFIG_SENSORS_GPIO_FAN=y
CONFIG_SENSORS_HIH6130=m
CONFIG_SENSORS_IBMAEM=m
CONFIG_SENSORS_IBMPEX=m
CONFIG_SENSORS_IIO_HWMON=m
CONFIG_SENSORS_IT87=y
CONFIG_SENSORS_JC42=y
CONFIG_SENSORS_POWR1220=m
CONFIG_SENSORS_LAN966X=m
CONFIG_SENSORS_LINEAGE=y
CONFIG_SENSORS_LTC2945=m
CONFIG_SENSORS_LTC2947=y
# CONFIG_SENSORS_LTC2947_I2C is not set
CONFIG_SENSORS_LTC2947_SPI=y
# CONFIG_SENSORS_LTC2990 is not set
# CONFIG_SENSORS_LTC2992 is not set
# CONFIG_SENSORS_LTC4151 is not set
CONFIG_SENSORS_LTC4215=y
# CONFIG_SENSORS_LTC4222 is not set
CONFIG_SENSORS_LTC4245=m
CONFIG_SENSORS_LTC4260=y
# CONFIG_SENSORS_LTC4261 is not set
CONFIG_SENSORS_MAX1111=m
CONFIG_SENSORS_MAX127=m
# CONFIG_SENSORS_MAX16065 is not set
CONFIG_SENSORS_MAX1619=y
# CONFIG_SENSORS_MAX1668 is not set
CONFIG_SENSORS_MAX197=m
# CONFIG_SENSORS_MAX31722 is not set
CONFIG_SENSORS_MAX31730=m
CONFIG_SENSORS_MAX6620=m
# CONFIG_SENSORS_MAX6621 is not set
CONFIG_SENSORS_MAX6639=y
CONFIG_SENSORS_MAX6642=m
# CONFIG_SENSORS_MAX6650 is not set
CONFIG_SENSORS_MAX6697=y
# CONFIG_SENSORS_MAX31790 is not set
# CONFIG_SENSORS_MCP3021 is not set
# CONFIG_SENSORS_MLXREG_FAN is not set
CONFIG_SENSORS_TC654=m
# CONFIG_SENSORS_TPS23861 is not set
# CONFIG_SENSORS_MENF21BMC_HWMON is not set
CONFIG_SENSORS_MR75203=y
CONFIG_SENSORS_ADCXX=y
CONFIG_SENSORS_LM63=m
CONFIG_SENSORS_LM70=y
# CONFIG_SENSORS_LM73 is not set
CONFIG_SENSORS_LM75=m
# CONFIG_SENSORS_LM77 is not set
CONFIG_SENSORS_LM78=y
CONFIG_SENSORS_LM80=m
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
CONFIG_SENSORS_LM87=m
# CONFIG_SENSORS_LM90 is not set
CONFIG_SENSORS_LM92=m
CONFIG_SENSORS_LM93=m
CONFIG_SENSORS_LM95234=m
# CONFIG_SENSORS_LM95241 is not set
# CONFIG_SENSORS_LM95245 is not set
CONFIG_SENSORS_PC87360=y
# CONFIG_SENSORS_PC87427 is not set
# CONFIG_SENSORS_NTC_THERMISTOR is not set
CONFIG_SENSORS_NCT6683=y
CONFIG_SENSORS_NCT6775_CORE=m
CONFIG_SENSORS_NCT6775=m
CONFIG_SENSORS_NCT6775_I2C=m
CONFIG_SENSORS_NCT7802=m
# CONFIG_SENSORS_NPCM7XX is not set
CONFIG_SENSORS_NSA320=m
CONFIG_SENSORS_NZXT_KRAKEN2=m
CONFIG_SENSORS_NZXT_SMART2=m
# CONFIG_SENSORS_OCC_P8_I2C is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_PMBUS is not set
CONFIG_SENSORS_PWM_FAN=m
CONFIG_SENSORS_RASPBERRYPI_HWMON=y
# CONFIG_SENSORS_SL28CPLD is not set
CONFIG_SENSORS_SBTSI=m
CONFIG_SENSORS_SBRMI=m
CONFIG_SENSORS_SHT15=m
CONFIG_SENSORS_SHT21=m
CONFIG_SENSORS_SHT3x=y
CONFIG_SENSORS_SHT4x=y
CONFIG_SENSORS_SHTC1=m
CONFIG_SENSORS_SIS5595=y
CONFIG_SENSORS_SY7636A=y
# CONFIG_SENSORS_DME1737 is not set
# CONFIG_SENSORS_EMC1403 is not set
CONFIG_SENSORS_EMC2103=m
# CONFIG_SENSORS_EMC6W201 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
CONFIG_SENSORS_SMSC47M192=m
# CONFIG_SENSORS_SMSC47B397 is not set
CONFIG_SENSORS_STTS751=m
CONFIG_SENSORS_SMM665=m
CONFIG_SENSORS_ADC128D818=y
# CONFIG_SENSORS_ADS7828 is not set
CONFIG_SENSORS_ADS7871=y
CONFIG_SENSORS_AMC6821=m
# CONFIG_SENSORS_INA209 is not set
CONFIG_SENSORS_INA2XX=y
CONFIG_SENSORS_INA238=y
CONFIG_SENSORS_INA3221=m
# CONFIG_SENSORS_TC74 is not set
CONFIG_SENSORS_THMC50=m
CONFIG_SENSORS_TMP102=m
CONFIG_SENSORS_TMP103=m
CONFIG_SENSORS_TMP108=y
CONFIG_SENSORS_TMP401=y
CONFIG_SENSORS_TMP421=y
CONFIG_SENSORS_TMP464=y
CONFIG_SENSORS_TMP513=y
CONFIG_SENSORS_VIA686A=y
# CONFIG_SENSORS_VT1211 is not set
CONFIG_SENSORS_VT8231=y
CONFIG_SENSORS_W83773G=y
CONFIG_SENSORS_W83781D=y
CONFIG_SENSORS_W83791D=y
# CONFIG_SENSORS_W83792D is not set
CONFIG_SENSORS_W83793=y
CONFIG_SENSORS_W83795=y
# CONFIG_SENSORS_W83795_FANCTRL is not set
CONFIG_SENSORS_W83L785TS=m
CONFIG_SENSORS_W83L786NG=m
CONFIG_SENSORS_W83627HF=m
CONFIG_SENSORS_W83627EHF=m
CONFIG_SENSORS_WM831X=y
CONFIG_SENSORS_WM8350=y
CONFIG_SENSORS_INTEL_M10_BMC_HWMON=m
CONFIG_THERMAL=y
CONFIG_THERMAL_STATISTICS=y
CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=0
# CONFIG_THERMAL_HWMON is not set
CONFIG_THERMAL_OF=y
CONFIG_THERMAL_WRITABLE_TRIPS=y
# CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE is not set
# CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE is not set
CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE=y
CONFIG_THERMAL_GOV_FAIR_SHARE=y
CONFIG_THERMAL_GOV_STEP_WISE=y
CONFIG_THERMAL_GOV_BANG_BANG=y
CONFIG_THERMAL_GOV_USER_SPACE=y
CONFIG_CPU_THERMAL=y
# CONFIG_DEVFREQ_THERMAL is not set
# CONFIG_THERMAL_EMULATION is not set
CONFIG_THERMAL_MMIO=y
# CONFIG_HISI_THERMAL is not set
CONFIG_IMX_THERMAL=y
CONFIG_IMX8MM_THERMAL=y
# CONFIG_K3_THERMAL is not set
CONFIG_QORIQ_THERMAL=m
# CONFIG_SPEAR_THERMAL is not set
CONFIG_SUN8I_THERMAL=y
CONFIG_ROCKCHIP_THERMAL=m
# CONFIG_RCAR_THERMAL is not set
CONFIG_RCAR_GEN3_THERMAL=y
CONFIG_RZG2L_THERMAL=y
CONFIG_KIRKWOOD_THERMAL=y
# CONFIG_DOVE_THERMAL is not set
CONFIG_ARMADA_THERMAL=y
CONFIG_DA9062_THERMAL=m
# CONFIG_MTK_THERMAL is not set

#
# Intel thermal drivers
#

#
# ACPI INT340X thermal drivers
#
# end of ACPI INT340X thermal drivers
# end of Intel thermal drivers

#
# Broadcom thermal drivers
#
CONFIG_BCM2711_THERMAL=y
# CONFIG_BCM2835_THERMAL is not set
CONFIG_BRCMSTB_THERMAL=m
CONFIG_BCM_NS_THERMAL=y
CONFIG_BCM_SR_THERMAL=m
# end of Broadcom thermal drivers

#
# Texas Instruments thermal drivers
#
CONFIG_TI_SOC_THERMAL=m
# CONFIG_TI_THERMAL is not set
# CONFIG_OMAP3_THERMAL is not set
# CONFIG_OMAP4_THERMAL is not set
CONFIG_OMAP5_THERMAL=y
# CONFIG_DRA752_THERMAL is not set
# end of Texas Instruments thermal drivers

#
# Samsung thermal drivers
#
# CONFIG_EXYNOS_THERMAL is not set
# end of Samsung thermal drivers

#
# NVIDIA Tegra thermal drivers
#
CONFIG_TEGRA_SOCTHERM=y
# CONFIG_TEGRA_BPMP_THERMAL is not set
CONFIG_TEGRA30_TSENSOR=m
# end of NVIDIA Tegra thermal drivers

CONFIG_GENERIC_ADC_THERMAL=m

#
# Qualcomm thermal drivers
#
CONFIG_QCOM_TSENS=m
# end of Qualcomm thermal drivers

# CONFIG_UNIPHIER_THERMAL is not set
CONFIG_SPRD_THERMAL=y
# CONFIG_KHADAS_MCU_FAN_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
CONFIG_SSB=y
CONFIG_SSB_SPROM=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
CONFIG_SSB_PCIHOST=y
CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
# CONFIG_SSB_DRIVER_PCICORE is not set
# CONFIG_SSB_DRIVER_GPIO is not set
CONFIG_BCMA_POSSIBLE=y
CONFIG_BCMA=m
CONFIG_BCMA_HOST_PCI_POSSIBLE=y
CONFIG_BCMA_HOST_PCI=y
CONFIG_BCMA_HOST_SOC=y
CONFIG_BCMA_DRIVER_PCI=y
# CONFIG_BCMA_DRIVER_MIPS is not set
# CONFIG_BCMA_SFLASH is not set
CONFIG_BCMA_DRIVER_GMAC_CMN=y
CONFIG_BCMA_DRIVER_GPIO=y
# CONFIG_BCMA_DEBUG is not set

#
# Multifunction device drivers
#
CONFIG_MFD_CORE=y
CONFIG_MFD_ACT8945A=y
# CONFIG_MFD_SUN4I_GPADC is not set
# CONFIG_MFD_AS3711 is not set
CONFIG_MFD_AS3722=y
CONFIG_PMIC_ADP5520=y
CONFIG_MFD_AAT2870_CORE=y
# CONFIG_MFD_AT91_USART is not set
# CONFIG_MFD_ATMEL_FLEXCOM is not set
CONFIG_MFD_ATMEL_HLCDC=m
CONFIG_MFD_ATMEL_SMC=y
CONFIG_MFD_BCM590XX=y
CONFIG_MFD_BD9571MWV=y
CONFIG_MFD_AXP20X=m
CONFIG_MFD_AXP20X_I2C=m
# CONFIG_MFD_MADERA is not set
CONFIG_MFD_ASIC3=y
# CONFIG_PMIC_DA903X is not set
CONFIG_PMIC_DA9052=y
# CONFIG_MFD_DA9052_SPI is not set
CONFIG_MFD_DA9052_I2C=y
# CONFIG_MFD_DA9055 is not set
CONFIG_MFD_DA9062=m
# CONFIG_MFD_DA9063 is not set
CONFIG_MFD_DA9150=y
# CONFIG_MFD_DLN2 is not set
CONFIG_MFD_ENE_KB3930=m
# CONFIG_MFD_EXYNOS_LPASS is not set
# CONFIG_MFD_GATEWORKS_GSC is not set
CONFIG_MFD_MC13XXX=y
CONFIG_MFD_MC13XXX_SPI=y
CONFIG_MFD_MC13XXX_I2C=m
CONFIG_MFD_MP2629=y
CONFIG_MFD_MXS_LRADC=m
# CONFIG_MFD_MX25_TSADC is not set
CONFIG_MFD_HI6421_PMIC=y
CONFIG_MFD_HI655X_PMIC=y
# CONFIG_HTC_PASIC3 is not set
CONFIG_HTC_I2CPLD=y
CONFIG_LPC_ICH=m
CONFIG_LPC_SCH=m
# CONFIG_MFD_IQS62X is not set
CONFIG_MFD_JANZ_CMODIO=y
CONFIG_MFD_KEMPLD=y
CONFIG_MFD_88PM800=y
CONFIG_MFD_88PM805=m
# CONFIG_MFD_88PM860X is not set
CONFIG_MFD_MAX14577=m
# CONFIG_MFD_MAX77620 is not set
CONFIG_MFD_MAX77650=y
# CONFIG_MFD_MAX77686 is not set
CONFIG_MFD_MAX77693=y
CONFIG_MFD_MAX77714=y
CONFIG_MFD_MAX77843=y
CONFIG_MFD_MAX8907=y
CONFIG_MFD_MAX8925=y
# CONFIG_MFD_MAX8997 is not set
CONFIG_MFD_MAX8998=y
CONFIG_MFD_MT6360=m
CONFIG_MFD_MT6397=y
CONFIG_MFD_MENF21BMC=m
CONFIG_EZX_PCAP=y
CONFIG_MFD_CPCAP=m
CONFIG_MFD_VIPERBOARD=m
# CONFIG_MFD_NTXEC is not set
CONFIG_MFD_RETU=y
CONFIG_MFD_PCF50633=y
CONFIG_PCF50633_ADC=m
CONFIG_PCF50633_GPIO=m
CONFIG_UCB1400_CORE=m
CONFIG_MFD_PM8XXX=y
# CONFIG_MFD_RDC321X is not set
CONFIG_MFD_RT4831=m
# CONFIG_MFD_RT5033 is not set
CONFIG_MFD_RC5T583=y
CONFIG_MFD_RK808=m
CONFIG_MFD_RN5T618=m
# CONFIG_MFD_SEC_CORE is not set
# CONFIG_MFD_SI476X_CORE is not set
CONFIG_MFD_SIMPLE_MFD_I2C=y
CONFIG_MFD_SL28CPLD=y
# CONFIG_MFD_SM501 is not set
CONFIG_MFD_SKY81452=y
# CONFIG_MFD_SC27XX_PMIC is not set
# CONFIG_ABX500_CORE is not set
CONFIG_MFD_STMPE=y

#
# STMicroelectronics STMPE Interface Drivers
#
CONFIG_STMPE_I2C=y
CONFIG_STMPE_SPI=y
# end of STMicroelectronics STMPE Interface Drivers

CONFIG_MFD_SUN6I_PRCM=y
CONFIG_MFD_SYSCON=y
CONFIG_MFD_TI_AM335X_TSCADC=m
CONFIG_MFD_LP3943=m
# CONFIG_MFD_LP8788 is not set
CONFIG_MFD_TI_LMU=y
# CONFIG_MFD_PALMAS is not set
CONFIG_TPS6105X=y
# CONFIG_TPS65010 is not set
CONFIG_TPS6507X=y
CONFIG_MFD_TPS65086=m
CONFIG_MFD_TPS65090=y
# CONFIG_MFD_TPS65217 is not set
CONFIG_MFD_TI_LP873X=y
CONFIG_MFD_TI_LP87565=y
CONFIG_MFD_TPS65218=m
CONFIG_MFD_TPS6586X=y
# CONFIG_MFD_TPS65910 is not set
CONFIG_MFD_TPS65912=y
# CONFIG_MFD_TPS65912_I2C is not set
CONFIG_MFD_TPS65912_SPI=y
CONFIG_TWL4030_CORE=y
# CONFIG_MFD_TWL4030_AUDIO is not set
# CONFIG_TWL6040_CORE is not set
CONFIG_MFD_WL1273_CORE=y
CONFIG_MFD_LM3533=m
# CONFIG_MFD_TIMBERDALE is not set
CONFIG_MFD_TC3589X=y
# CONFIG_MFD_TQMX86 is not set
CONFIG_MFD_VX855=m
# CONFIG_MFD_LOCHNAGAR is not set
CONFIG_MFD_ARIZONA=m
CONFIG_MFD_ARIZONA_I2C=m
# CONFIG_MFD_ARIZONA_SPI is not set
CONFIG_MFD_CS47L24=y
CONFIG_MFD_WM5102=y
# CONFIG_MFD_WM5110 is not set
CONFIG_MFD_WM8997=y
# CONFIG_MFD_WM8998 is not set
# CONFIG_MFD_WM8400 is not set
CONFIG_MFD_WM831X=y
# CONFIG_MFD_WM831X_I2C is not set
CONFIG_MFD_WM831X_SPI=y
CONFIG_MFD_WM8350=y
CONFIG_MFD_WM8350_I2C=y
# CONFIG_MFD_WM8994 is not set
CONFIG_MFD_STW481X=y
CONFIG_MFD_ROHM_BD718XX=y
# CONFIG_MFD_ROHM_BD71828 is not set
# CONFIG_MFD_ROHM_BD957XMUF is not set
CONFIG_MFD_STM32_LPTIMER=m
# CONFIG_MFD_STM32_TIMERS is not set
CONFIG_MFD_STPMIC1=y
CONFIG_MFD_STMFX=m
CONFIG_MFD_WCD934X=m
# CONFIG_MFD_ATC260X_I2C is not set
CONFIG_MFD_KHADAS_MCU=m
CONFIG_MFD_ACER_A500_EC=m
CONFIG_MFD_QCOM_PM8008=m
CONFIG_MFD_INTEL_M10_BMC=y
# CONFIG_MFD_RSMU_I2C is not set
CONFIG_MFD_RSMU_SPI=m
# end of Multifunction device drivers

CONFIG_REGULATOR=y
# CONFIG_REGULATOR_DEBUG is not set
CONFIG_REGULATOR_FIXED_VOLTAGE=y
# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
CONFIG_REGULATOR_88PG86X=y
CONFIG_REGULATOR_88PM800=y
CONFIG_REGULATOR_ACT8865=y
# CONFIG_REGULATOR_ACT8945A is not set
# CONFIG_REGULATOR_AD5398 is not set
# CONFIG_REGULATOR_ANATOP is not set
# CONFIG_REGULATOR_AAT2870 is not set
CONFIG_REGULATOR_ARM_SCMI=m
# CONFIG_REGULATOR_AS3722 is not set
CONFIG_REGULATOR_AXP20X=m
CONFIG_REGULATOR_BCM590XX=y
CONFIG_REGULATOR_BD718XX=m
CONFIG_REGULATOR_BD9571MWV=y
CONFIG_REGULATOR_CPCAP=m
CONFIG_REGULATOR_DA9052=y
# CONFIG_REGULATOR_DA9062 is not set
# CONFIG_REGULATOR_DA9121 is not set
# CONFIG_REGULATOR_DA9210 is not set
CONFIG_REGULATOR_DA9211=m
CONFIG_REGULATOR_FAN53555=m
CONFIG_REGULATOR_FAN53880=m
CONFIG_REGULATOR_GPIO=m
CONFIG_REGULATOR_HI6421=m
CONFIG_REGULATOR_HI6421V530=m
CONFIG_REGULATOR_HI655X=m
# CONFIG_REGULATOR_ISL9305 is not set
CONFIG_REGULATOR_ISL6271A=y
# CONFIG_REGULATOR_LM363X is not set
CONFIG_REGULATOR_LP3971=m
CONFIG_REGULATOR_LP3972=m
# CONFIG_REGULATOR_LP872X is not set
# CONFIG_REGULATOR_LP873X is not set
CONFIG_REGULATOR_LP8755=m
CONFIG_REGULATOR_LP87565=y
CONFIG_REGULATOR_LTC3589=m
# CONFIG_REGULATOR_LTC3676 is not set
CONFIG_REGULATOR_MAX14577=m
# CONFIG_REGULATOR_MAX1586 is not set
# CONFIG_REGULATOR_MAX77620 is not set
CONFIG_REGULATOR_MAX77650=y
CONFIG_REGULATOR_MAX8649=y
# CONFIG_REGULATOR_MAX8660 is not set
CONFIG_REGULATOR_MAX8893=m
# CONFIG_REGULATOR_MAX8907 is not set
CONFIG_REGULATOR_MAX8925=m
CONFIG_REGULATOR_MAX8952=m
CONFIG_REGULATOR_MAX8973=m
CONFIG_REGULATOR_MAX8998=y
CONFIG_REGULATOR_MAX20086=y
# CONFIG_REGULATOR_MAX77686 is not set
# CONFIG_REGULATOR_MAX77693 is not set
CONFIG_REGULATOR_MAX77802=y
CONFIG_REGULATOR_MAX77826=m
CONFIG_REGULATOR_MC13XXX_CORE=y
# CONFIG_REGULATOR_MC13783 is not set
CONFIG_REGULATOR_MC13892=y
CONFIG_REGULATOR_MCP16502=y
# CONFIG_REGULATOR_MP5416 is not set
CONFIG_REGULATOR_MP8859=m
CONFIG_REGULATOR_MP886X=y
# CONFIG_REGULATOR_MPQ7920 is not set
CONFIG_REGULATOR_MT6311=m
# CONFIG_REGULATOR_MT6323 is not set
CONFIG_REGULATOR_MT6358=y
# CONFIG_REGULATOR_MT6359 is not set
CONFIG_REGULATOR_MT6360=m
# CONFIG_REGULATOR_MT6380 is not set
# CONFIG_REGULATOR_MT6397 is not set
CONFIG_REGULATOR_PBIAS=y
CONFIG_REGULATOR_PCA9450=y
CONFIG_REGULATOR_PCAP=y
# CONFIG_REGULATOR_PCF50633 is not set
# CONFIG_REGULATOR_PF8X00 is not set
CONFIG_REGULATOR_PFUZE100=m
CONFIG_REGULATOR_PV88060=m
# CONFIG_REGULATOR_PV88080 is not set
# CONFIG_REGULATOR_PV88090 is not set
CONFIG_REGULATOR_PWM=m
CONFIG_REGULATOR_QCOM_RPMH=m
CONFIG_REGULATOR_QCOM_SMD_RPM=y
CONFIG_REGULATOR_QCOM_SPMI=y
CONFIG_REGULATOR_QCOM_USB_VBUS=m
CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_ATTINY=m
CONFIG_REGULATOR_RC5T583=y
CONFIG_REGULATOR_RK808=m
# CONFIG_REGULATOR_RN5T618 is not set
CONFIG_REGULATOR_ROHM=m
CONFIG_REGULATOR_RT4801=m
CONFIG_REGULATOR_RT4831=m
# CONFIG_REGULATOR_RT5190A is not set
# CONFIG_REGULATOR_RT5759 is not set
CONFIG_REGULATOR_RT6160=y
CONFIG_REGULATOR_RT6245=m
CONFIG_REGULATOR_RTQ2134=y
# CONFIG_REGULATOR_RTMV20 is not set
# CONFIG_REGULATOR_RTQ6752 is not set
CONFIG_REGULATOR_S2MPA01=y
# CONFIG_REGULATOR_S2MPS11 is not set
CONFIG_REGULATOR_S5M8767=m
CONFIG_REGULATOR_SC2731=y
CONFIG_REGULATOR_SKY81452=m
CONFIG_REGULATOR_SLG51000=y
CONFIG_REGULATOR_STM32_BOOSTER=y
CONFIG_REGULATOR_STM32_VREFBUF=y
# CONFIG_REGULATOR_STM32_PWR is not set
CONFIG_REGULATOR_STPMIC1=y
# CONFIG_REGULATOR_TI_ABB is not set
# CONFIG_REGULATOR_STW481X_VMMC is not set
# CONFIG_REGULATOR_SY7636A is not set
CONFIG_REGULATOR_SY8106A=m
CONFIG_REGULATOR_SY8824X=m
CONFIG_REGULATOR_SY8827N=m
# CONFIG_REGULATOR_TPS51632 is not set
# CONFIG_REGULATOR_TPS6105X is not set
CONFIG_REGULATOR_TPS62360=y
# CONFIG_REGULATOR_TPS6286X is not set
CONFIG_REGULATOR_TPS65023=m
CONFIG_REGULATOR_TPS6507X=y
CONFIG_REGULATOR_TPS65086=m
# CONFIG_REGULATOR_TPS65090 is not set
CONFIG_REGULATOR_TPS65132=y
# CONFIG_REGULATOR_TPS65218 is not set
CONFIG_REGULATOR_TPS6524X=m
CONFIG_REGULATOR_TPS6586X=m
CONFIG_REGULATOR_TPS65912=m
CONFIG_REGULATOR_TPS68470=m
CONFIG_REGULATOR_TWL4030=y
CONFIG_REGULATOR_UNIPHIER=y
CONFIG_REGULATOR_VCTRL=m
CONFIG_REGULATOR_WM831X=m
CONFIG_REGULATOR_WM8350=y
CONFIG_REGULATOR_QCOM_LABIBB=m
CONFIG_RC_CORE=m
# CONFIG_LIRC is not set
CONFIG_RC_MAP=m
CONFIG_RC_DECODERS=y
CONFIG_IR_IMON_DECODER=m
CONFIG_IR_JVC_DECODER=m
CONFIG_IR_MCE_KBD_DECODER=m
# CONFIG_IR_NEC_DECODER is not set
CONFIG_IR_RC5_DECODER=m
# CONFIG_IR_RC6_DECODER is not set
CONFIG_IR_RCMM_DECODER=m
CONFIG_IR_SANYO_DECODER=m
CONFIG_IR_SHARP_DECODER=m
CONFIG_IR_SONY_DECODER=m
# CONFIG_IR_XMP_DECODER is not set
CONFIG_RC_DEVICES=y
# CONFIG_IR_ENE is not set
CONFIG_IR_FINTEK=m
CONFIG_IR_GPIO_CIR=m
# CONFIG_IR_HIX5HD2 is not set
CONFIG_IR_IGORPLUGUSB=m
# CONFIG_IR_IGUANA is not set
# CONFIG_IR_IMON is not set
# CONFIG_IR_IMON_RAW is not set
# CONFIG_IR_ITE_CIR is not set
CONFIG_IR_MCEUSB=m
CONFIG_IR_MESON=m
CONFIG_IR_MESON_TX=m
CONFIG_IR_MTK=m
CONFIG_IR_NUVOTON=m
# CONFIG_IR_REDRAT3 is not set
CONFIG_IR_RX51=m
CONFIG_IR_SERIAL=m
# CONFIG_IR_SERIAL_TRANSMITTER is not set
CONFIG_IR_STREAMZAP=m
CONFIG_IR_SUNXI=m
CONFIG_IR_TOY=m
CONFIG_IR_TTUSBIR=m
# CONFIG_IR_WINBOND_CIR is not set
CONFIG_RC_ATI_REMOTE=m
# CONFIG_RC_LOOPBACK is not set
# CONFIG_RC_ST is not set
CONFIG_RC_XBOX_DVD=m
CONFIG_IR_IMG=m
# CONFIG_IR_IMG_RAW is not set
CONFIG_IR_IMG_HW=y
CONFIG_IR_IMG_NEC=y
# CONFIG_IR_IMG_JVC is not set
# CONFIG_IR_IMG_SONY is not set
CONFIG_IR_IMG_SHARP=y
# CONFIG_IR_IMG_SANYO is not set
CONFIG_IR_IMG_RC5=y
CONFIG_IR_IMG_RC6=y
CONFIG_CEC_CORE=y
CONFIG_CEC_NOTIFIER=y
CONFIG_CEC_PIN=y

#
# CEC support
#
# CONFIG_CEC_PIN_ERROR_INJ is not set
CONFIG_MEDIA_CEC_SUPPORT=y
# CONFIG_CEC_CH7322 is not set
# CONFIG_CEC_MESON_AO is not set
CONFIG_CEC_MESON_G12A_AO=y
CONFIG_CEC_GPIO=m
# CONFIG_CEC_SAMSUNG_S5P is not set
CONFIG_CEC_STI=m
# CONFIG_CEC_STM32 is not set
# CONFIG_CEC_TEGRA is not set
# end of CEC support

# CONFIG_MEDIA_SUPPORT is not set

#
# Graphics support
#
CONFIG_IMX_IPUV3_CORE=m
CONFIG_DRM=m
CONFIG_DRM_MIPI_DBI=m
CONFIG_DRM_MIPI_DSI=y
CONFIG_DRM_DEBUG_SELFTEST=m
CONFIG_DRM_KMS_HELPER=m
CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS=y
# CONFIG_DRM_DEBUG_MODESET_LOCK is not set
# CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
CONFIG_DRM_DP_AUX_BUS=m
CONFIG_DRM_DISPLAY_HELPER=m
CONFIG_DRM_DISPLAY_DP_HELPER=y
CONFIG_DRM_DISPLAY_HDCP_HELPER=y
CONFIG_DRM_DISPLAY_HDMI_HELPER=y
# CONFIG_DRM_DP_AUX_CHARDEV is not set
CONFIG_DRM_DP_CEC=y
CONFIG_DRM_TTM=m
CONFIG_DRM_BUDDY=m
CONFIG_DRM_VRAM_HELPER=m
CONFIG_DRM_TTM_HELPER=m
CONFIG_DRM_GEM_CMA_HELPER=m
CONFIG_DRM_GEM_SHMEM_HELPER=m
CONFIG_DRM_SCHED=m

#
# I2C encoder or helper chips
#
CONFIG_DRM_I2C_CH7006=m
CONFIG_DRM_I2C_SIL164=m
CONFIG_DRM_I2C_NXP_TDA998X=m
CONFIG_DRM_I2C_NXP_TDA9950=m
# end of I2C encoder or helper chips

#
# ARM devices
#
CONFIG_DRM_HDLCD=m
# CONFIG_DRM_HDLCD_SHOW_UNDERRUN is not set
CONFIG_DRM_MALI_DISPLAY=m
CONFIG_DRM_KOMEDA=m
# end of ARM devices

CONFIG_DRM_RADEON=m
CONFIG_DRM_RADEON_USERPTR=y
CONFIG_DRM_AMDGPU=m
# CONFIG_DRM_AMDGPU_SI is not set
# CONFIG_DRM_AMDGPU_CIK is not set
# CONFIG_DRM_AMDGPU_USERPTR is not set

#
# ACP (Audio CoProcessor) Configuration
#
CONFIG_DRM_AMD_ACP=y
# end of ACP (Audio CoProcessor) Configuration

#
# Display Engine Configuration
#
CONFIG_DRM_AMD_DC=y
CONFIG_DRM_AMD_DC_HDCP=y
# end of Display Engine Configuration

CONFIG_DRM_NOUVEAU=m
# CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT is not set
CONFIG_NOUVEAU_DEBUG=5
CONFIG_NOUVEAU_DEBUG_DEFAULT=3
# CONFIG_NOUVEAU_DEBUG_MMU is not set
# CONFIG_NOUVEAU_DEBUG_PUSH is not set
CONFIG_DRM_NOUVEAU_BACKLIGHT=y
CONFIG_DRM_KMB_DISPLAY=m
CONFIG_DRM_VGEM=m
CONFIG_DRM_VKMS=m
CONFIG_DRM_EXYNOS=m

#
# CRTCs
#
CONFIG_DRM_EXYNOS_FIMD=y
# CONFIG_DRM_EXYNOS5433_DECON is not set
CONFIG_DRM_EXYNOS7_DECON=y
CONFIG_DRM_EXYNOS_MIXER=y
CONFIG_DRM_EXYNOS_VIDI=y

#
# Encoders and Bridges
#
# CONFIG_DRM_EXYNOS_DPI is not set
# CONFIG_DRM_EXYNOS_DSI is not set
CONFIG_DRM_EXYNOS_DP=y
# CONFIG_DRM_EXYNOS_HDMI is not set

#
# Sub-drivers
#
CONFIG_DRM_EXYNOS_G2D=y
CONFIG_DRM_EXYNOS_IPP=y
# CONFIG_DRM_EXYNOS_FIMC is not set
CONFIG_DRM_EXYNOS_ROTATOR=y
CONFIG_DRM_EXYNOS_SCALER=y
# CONFIG_DRM_EXYNOS_GSC is not set
# CONFIG_DRM_UDL is not set
CONFIG_DRM_AST=m
CONFIG_DRM_MGAG200=m
CONFIG_DRM_RCAR_DW_HDMI=m
# CONFIG_DRM_RCAR_USE_LVDS is not set
# CONFIG_DRM_RCAR_MIPI_DSI is not set
# CONFIG_DRM_SUN4I is not set
# CONFIG_DRM_QXL is not set
# CONFIG_DRM_VIRTIO_GPU is not set
CONFIG_DRM_MSM=m
CONFIG_DRM_MSM_GPU_STATE=y
CONFIG_DRM_MSM_GPU_SUDO=y
CONFIG_DRM_MSM_MDSS=y
# CONFIG_DRM_MSM_MDP4 is not set
CONFIG_DRM_MSM_MDP5=y
CONFIG_DRM_MSM_DPU=y
# CONFIG_DRM_MSM_DP is not set
# CONFIG_DRM_MSM_DSI is not set
# CONFIG_DRM_MSM_HDMI is not set
CONFIG_DRM_PANEL=y

#
# Display Panels
#
CONFIG_DRM_PANEL_ABT_Y030XX067A=m
CONFIG_DRM_PANEL_ARM_VERSATILE=m
# CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596 is not set
# CONFIG_DRM_PANEL_BOE_BF060Y8M_AJ0 is not set
CONFIG_DRM_PANEL_BOE_HIMAX8279D=m
# CONFIG_DRM_PANEL_BOE_TV101WUM_NL6 is not set
CONFIG_DRM_PANEL_DSI_CM=m
CONFIG_DRM_PANEL_LVDS=m
# CONFIG_DRM_PANEL_ELIDA_KD35T133 is not set
CONFIG_DRM_PANEL_FEIXIN_K101_IM2BA02=m
# CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D is not set
CONFIG_DRM_PANEL_ILITEK_IL9322=m
# CONFIG_DRM_PANEL_ILITEK_ILI9341 is not set
CONFIG_DRM_PANEL_ILITEK_ILI9881C=m
CONFIG_DRM_PANEL_INNOLUX_EJ030NA=m
CONFIG_DRM_PANEL_INNOLUX_P079ZCA=m
CONFIG_DRM_PANEL_JDI_LT070ME05000=m
CONFIG_DRM_PANEL_JDI_R63452=m
CONFIG_DRM_PANEL_KHADAS_TS050=m
CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04=m
CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W=m
# CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829 is not set
CONFIG_DRM_PANEL_SAMSUNG_LD9040=m
CONFIG_DRM_PANEL_LG_LB035Q02=m
CONFIG_DRM_PANEL_LG_LG4573=m
CONFIG_DRM_PANEL_NEC_NL8048HL11=m
CONFIG_DRM_PANEL_NEWVISION_NV3052C=m
CONFIG_DRM_PANEL_NOVATEK_NT35510=m
# CONFIG_DRM_PANEL_NOVATEK_NT35560 is not set
CONFIG_DRM_PANEL_NOVATEK_NT35950=m
CONFIG_DRM_PANEL_NOVATEK_NT36672A=m
CONFIG_DRM_PANEL_NOVATEK_NT39016=m
CONFIG_DRM_PANEL_MANTIX_MLAF057WE51=m
CONFIG_DRM_PANEL_OLIMEX_LCD_OLINUXINO=m
CONFIG_DRM_PANEL_ORISETECH_OTM8009A=m
CONFIG_DRM_PANEL_OSD_OSD101T2587_53TS=m
CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00=m
# CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN is not set
CONFIG_DRM_PANEL_RAYDIUM_RM67191=m
CONFIG_DRM_PANEL_RAYDIUM_RM68200=m
CONFIG_DRM_PANEL_RONBO_RB070D30=m
CONFIG_DRM_PANEL_SAMSUNG_DB7430=m
# CONFIG_DRM_PANEL_SAMSUNG_S6D16D0 is not set
CONFIG_DRM_PANEL_SAMSUNG_S6D27A1=m
CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2=m
# CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E63M0 is not set
CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01=m
# CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0 is not set
CONFIG_DRM_PANEL_SAMSUNG_SOFEF00=m
# CONFIG_DRM_PANEL_SEIKO_43WVF1G is not set
CONFIG_DRM_PANEL_SHARP_LQ101R1SX01=m
# CONFIG_DRM_PANEL_SHARP_LS037V7DW01 is not set
# CONFIG_DRM_PANEL_SHARP_LS043T1LE01 is not set
CONFIG_DRM_PANEL_SHARP_LS060T1SX01=m
# CONFIG_DRM_PANEL_SITRONIX_ST7701 is not set
CONFIG_DRM_PANEL_SITRONIX_ST7703=m
# CONFIG_DRM_PANEL_SITRONIX_ST7789V is not set
CONFIG_DRM_PANEL_SONY_ACX565AKM=m
CONFIG_DRM_PANEL_SONY_TULIP_TRULY_NT35521=m
# CONFIG_DRM_PANEL_TDO_TL070WSH30 is not set
CONFIG_DRM_PANEL_TPO_TD028TTEC1=m
# CONFIG_DRM_PANEL_TPO_TD043MTEA1 is not set
CONFIG_DRM_PANEL_TPO_TPG110=m
# CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA is not set
# CONFIG_DRM_PANEL_VISIONOX_RM69299 is not set
CONFIG_DRM_PANEL_WIDECHIPS_WS2401=m
CONFIG_DRM_PANEL_XINPENG_XPP055C272=m
# end of Display Panels

CONFIG_DRM_BRIDGE=y
CONFIG_DRM_PANEL_BRIDGE=y

#
# Display Interface Bridges
#
# CONFIG_DRM_CDNS_DSI is not set
CONFIG_DRM_CHIPONE_ICN6211=m
# CONFIG_DRM_CHRONTEL_CH7033 is not set
# CONFIG_DRM_CROS_EC_ANX7688 is not set
# CONFIG_DRM_DISPLAY_CONNECTOR is not set
CONFIG_DRM_FSL_LDB=m
# CONFIG_DRM_ITE_IT6505 is not set
CONFIG_DRM_LONTIUM_LT8912B=m
CONFIG_DRM_LONTIUM_LT9211=m
CONFIG_DRM_LONTIUM_LT9611=m
# CONFIG_DRM_LONTIUM_LT9611UXC is not set
CONFIG_DRM_ITE_IT66121=m
CONFIG_DRM_LVDS_CODEC=m
# CONFIG_DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW is not set
# CONFIG_DRM_NWL_MIPI_DSI is not set
CONFIG_DRM_NXP_PTN3460=m
CONFIG_DRM_PARADE_PS8622=m
# CONFIG_DRM_PARADE_PS8640 is not set
# CONFIG_DRM_SIL_SII8620 is not set
CONFIG_DRM_SII902X=m
# CONFIG_DRM_SII9234 is not set
# CONFIG_DRM_SIMPLE_BRIDGE is not set
CONFIG_DRM_THINE_THC63LVD1024=m
CONFIG_DRM_TOSHIBA_TC358762=m
# CONFIG_DRM_TOSHIBA_TC358764 is not set
# CONFIG_DRM_TOSHIBA_TC358767 is not set
CONFIG_DRM_TOSHIBA_TC358768=m
CONFIG_DRM_TOSHIBA_TC358775=m
CONFIG_DRM_TI_TFP410=m
# CONFIG_DRM_TI_SN65DSI83 is not set
CONFIG_DRM_TI_SN65DSI86=m
CONFIG_DRM_TI_TPD12S015=m
CONFIG_DRM_ANALOGIX_ANX6345=m
# CONFIG_DRM_ANALOGIX_ANX78XX is not set
CONFIG_DRM_ANALOGIX_DP=m
# CONFIG_DRM_ANALOGIX_ANX7625 is not set
# CONFIG_DRM_I2C_ADV7511 is not set
CONFIG_DRM_CDNS_MHDP8546=m
CONFIG_DRM_CDNS_MHDP8546_J721E=y
CONFIG_DRM_DW_HDMI=m
# CONFIG_DRM_DW_HDMI_AHB_AUDIO is not set
CONFIG_DRM_DW_HDMI_GP_AUDIO=m
CONFIG_DRM_DW_HDMI_CEC=m
# end of Display Interface Bridges

CONFIG_DRM_IMX=m
CONFIG_DRM_IMX_PARALLEL_DISPLAY=m
CONFIG_DRM_IMX_TVE=m
# CONFIG_DRM_IMX_LDB is not set
CONFIG_DRM_IMX_HDMI=m
# CONFIG_DRM_INGENIC is not set
CONFIG_DRM_V3D=m
# CONFIG_DRM_ETNAVIV is not set
CONFIG_DRM_HISI_HIBMC=m
# CONFIG_DRM_MXSFB is not set
CONFIG_DRM_ARCPGU=m
CONFIG_DRM_BOCHS=m
CONFIG_DRM_CIRRUS_QEMU=m
CONFIG_DRM_GM12U320=m
CONFIG_DRM_PANEL_MIPI_DBI=m
# CONFIG_DRM_SIMPLEDRM is not set
# CONFIG_TINYDRM_HX8357D is not set
CONFIG_TINYDRM_ILI9163=m
CONFIG_TINYDRM_ILI9225=m
CONFIG_TINYDRM_ILI9341=m
CONFIG_TINYDRM_ILI9486=m
# CONFIG_TINYDRM_MI0283QT is not set
# CONFIG_TINYDRM_REPAPER is not set
# CONFIG_TINYDRM_ST7586 is not set
CONFIG_TINYDRM_ST7735R=m
CONFIG_DRM_PL111=m
CONFIG_DRM_TVE200=m
CONFIG_DRM_LIMA=m
CONFIG_DRM_ASPEED_GFX=m
CONFIG_DRM_MCDE=m
CONFIG_DRM_TIDSS=m
# CONFIG_DRM_GUD is not set
# CONFIG_DRM_SSD130X is not set
CONFIG_DRM_SPRD=m
CONFIG_DRM_LEGACY=y
CONFIG_DRM_TDFX=m
CONFIG_DRM_R128=m
CONFIG_DRM_MGA=m
CONFIG_DRM_VIA=m
CONFIG_DRM_SAVAGE=m
CONFIG_DRM_EXPORT_FOR_TESTS=y
CONFIG_DRM_PANEL_ORIENTATION_QUIRKS=m
CONFIG_DRM_NOMODESET=y
CONFIG_DRM_LIB_RANDOM=y

#
# Frame buffer Devices
#
CONFIG_FB_CMDLINE=y
# CONFIG_FB is not set
# CONFIG_MMP_DISP is not set
# end of Frame buffer Devices

#
# Backlight & LCD device support
#
CONFIG_LCD_CLASS_DEVICE=m
CONFIG_LCD_L4F00242T03=m
# CONFIG_LCD_LMS283GF05 is not set
# CONFIG_LCD_LTV350QV is not set
CONFIG_LCD_ILI922X=m
CONFIG_LCD_ILI9320=m
CONFIG_LCD_TDO24M=m
CONFIG_LCD_VGG2432A4=m
# CONFIG_LCD_PLATFORM is not set
CONFIG_LCD_AMS369FG06=m
CONFIG_LCD_LMS501KF03=m
CONFIG_LCD_HX8357=m
# CONFIG_LCD_OTM3225A is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=m
# CONFIG_BACKLIGHT_KTD253 is not set
# CONFIG_BACKLIGHT_LM3533 is not set
CONFIG_BACKLIGHT_OMAP1=m
CONFIG_BACKLIGHT_PWM=m
CONFIG_BACKLIGHT_DA9052=m
CONFIG_BACKLIGHT_MAX8925=m
CONFIG_BACKLIGHT_QCOM_WLED=m
CONFIG_BACKLIGHT_RT4831=m
# CONFIG_BACKLIGHT_WM831X is not set
CONFIG_BACKLIGHT_ADP5520=m
CONFIG_BACKLIGHT_ADP8860=m
CONFIG_BACKLIGHT_ADP8870=m
CONFIG_BACKLIGHT_PCF50633=m
CONFIG_BACKLIGHT_AAT2870=m
CONFIG_BACKLIGHT_LM3630A=m
CONFIG_BACKLIGHT_LM3639=m
# CONFIG_BACKLIGHT_LP855X is not set
CONFIG_BACKLIGHT_PANDORA=m
# CONFIG_BACKLIGHT_SKY81452 is not set
CONFIG_BACKLIGHT_GPIO=m
# CONFIG_BACKLIGHT_LV5207LP is not set
CONFIG_BACKLIGHT_BD6107=m
# CONFIG_BACKLIGHT_ARCXCNN is not set
# CONFIG_BACKLIGHT_LED is not set
# end of Backlight & LCD device support

CONFIG_VIDEOMODE_HELPERS=y
CONFIG_HDMI=y
# end of Graphics support

CONFIG_SOUND=m
CONFIG_SND=m
CONFIG_SND_TIMER=m
CONFIG_SND_PCM=m
CONFIG_SND_PCM_ELD=y
CONFIG_SND_PCM_IEC958=y
CONFIG_SND_HWDEP=m
CONFIG_SND_SEQ_DEVICE=m
CONFIG_SND_RAWMIDI=m
CONFIG_SND_JACK=y
CONFIG_SND_JACK_INPUT_DEV=y
# CONFIG_SND_OSSEMUL is not set
CONFIG_SND_PCM_TIMER=y
CONFIG_SND_HRTIMER=m
CONFIG_SND_DYNAMIC_MINORS=y
CONFIG_SND_MAX_CARDS=32
CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_PROC_FS=y
# CONFIG_SND_VERBOSE_PROCFS is not set
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set
CONFIG_SND_VMASTER=y
CONFIG_SND_SEQUENCER=m
CONFIG_SND_SEQ_DUMMY=m
# CONFIG_SND_SEQ_HRTIMER_DEFAULT is not set
CONFIG_SND_SEQ_MIDI_EVENT=m
CONFIG_SND_SEQ_MIDI=m
CONFIG_SND_SEQ_MIDI_EMUL=m
CONFIG_SND_MPU401_UART=m
CONFIG_SND_OPL3_LIB=m
CONFIG_SND_OPL3_LIB_SEQ=m
CONFIG_SND_VX_LIB=m
CONFIG_SND_AC97_CODEC=m
# CONFIG_SND_DRIVERS is not set
CONFIG_SND_PCI=y
CONFIG_SND_AD1889=m
# CONFIG_SND_ATIIXP is not set
# CONFIG_SND_ATIIXP_MODEM is not set
# CONFIG_SND_AU8810 is not set
CONFIG_SND_AU8820=m
CONFIG_SND_AU8830=m
# CONFIG_SND_AW2 is not set
CONFIG_SND_BT87X=m
CONFIG_SND_BT87X_OVERCLOCK=y
# CONFIG_SND_CA0106 is not set
# CONFIG_SND_CMIPCI is not set
CONFIG_SND_OXYGEN_LIB=m
CONFIG_SND_OXYGEN=m
CONFIG_SND_CS4281=m
CONFIG_SND_CS46XX=m
# CONFIG_SND_CS46XX_NEW_DSP is not set
# CONFIG_SND_CS5535AUDIO is not set
CONFIG_SND_CTXFI=m
CONFIG_SND_DARLA20=m
# CONFIG_SND_GINA20 is not set
# CONFIG_SND_LAYLA20 is not set
CONFIG_SND_DARLA24=m
CONFIG_SND_GINA24=m
CONFIG_SND_LAYLA24=m
# CONFIG_SND_MONA is not set
CONFIG_SND_MIA=m
# CONFIG_SND_ECHO3G is not set
# CONFIG_SND_INDIGO is not set
CONFIG_SND_INDIGOIO=m
CONFIG_SND_INDIGODJ=m
CONFIG_SND_INDIGOIOX=m
# CONFIG_SND_INDIGODJX is not set
# CONFIG_SND_ENS1370 is not set
CONFIG_SND_ENS1371=m
CONFIG_SND_FM801=m
CONFIG_SND_HDSP=m
CONFIG_SND_HDSPM=m
CONFIG_SND_ICE1724=m
CONFIG_SND_INTEL8X0=m
CONFIG_SND_INTEL8X0M=m
CONFIG_SND_KORG1212=m
CONFIG_SND_LOLA=m
CONFIG_SND_LX6464ES=m
CONFIG_SND_MIXART=m
# CONFIG_SND_NM256 is not set
CONFIG_SND_PCXHR=m
CONFIG_SND_RIPTIDE=m
# CONFIG_SND_RME32 is not set
CONFIG_SND_RME96=m
CONFIG_SND_RME9652=m
CONFIG_SND_VIA82XX=m
CONFIG_SND_VIA82XX_MODEM=m
# CONFIG_SND_VIRTUOSO is not set
CONFIG_SND_VX222=m
CONFIG_SND_YMFPCI=m

#
# HD-Audio
#
# CONFIG_SND_HDA_INTEL is not set
# end of HD-Audio

CONFIG_SND_HDA_PREALLOC_SIZE=64
CONFIG_SND_SPI=y
# CONFIG_SND_AT73C213 is not set
CONFIG_SND_USB=y
CONFIG_SND_USB_AUDIO=m
CONFIG_SND_USB_UA101=m
CONFIG_SND_USB_CAIAQ=m
# CONFIG_SND_USB_CAIAQ_INPUT is not set
# CONFIG_SND_USB_US122L is not set
CONFIG_SND_USB_6FIRE=m
CONFIG_SND_USB_HIFACE=m
# CONFIG_SND_BCD2000 is not set
CONFIG_SND_USB_LINE6=m
CONFIG_SND_USB_POD=m
CONFIG_SND_USB_PODHD=m
CONFIG_SND_USB_TONEPORT=m
# CONFIG_SND_USB_VARIAX is not set
# CONFIG_SND_SOC is not set
CONFIG_SND_VIRTIO=m
CONFIG_AC97_BUS=m

#
# HID support
#
CONFIG_HID=m
CONFIG_HID_BATTERY_STRENGTH=y
# CONFIG_HIDRAW is not set
CONFIG_UHID=m
# CONFIG_HID_GENERIC is not set

#
# Special HID drivers
#
CONFIG_HID_A4TECH=m
CONFIG_HID_ACCUTOUCH=m
CONFIG_HID_ACRUX=m
# CONFIG_HID_ACRUX_FF is not set
CONFIG_HID_APPLE=m
CONFIG_HID_APPLEIR=m
# CONFIG_HID_ASUS is not set
CONFIG_HID_AUREAL=m
# CONFIG_HID_BELKIN is not set
# CONFIG_HID_BETOP_FF is not set
CONFIG_HID_BIGBEN_FF=m
# CONFIG_HID_CHERRY is not set
CONFIG_HID_CHICONY=m
CONFIG_HID_CORSAIR=m
CONFIG_HID_COUGAR=m
CONFIG_HID_MACALLY=m
CONFIG_HID_PRODIKEYS=m
CONFIG_HID_CMEDIA=m
CONFIG_HID_CREATIVE_SB0540=m
CONFIG_HID_CYPRESS=m
# CONFIG_HID_DRAGONRISE is not set
# CONFIG_HID_EMS_FF is not set
# CONFIG_HID_ELAN is not set
CONFIG_HID_ELECOM=m
CONFIG_HID_ELO=m
CONFIG_HID_EZKEY=m
CONFIG_HID_GEMBIRD=m
CONFIG_HID_GFRM=m
# CONFIG_HID_GLORIOUS is not set
CONFIG_HID_HOLTEK=m
CONFIG_HOLTEK_FF=y
# CONFIG_HID_VIVALDI is not set
CONFIG_HID_GT683R=m
CONFIG_HID_KEYTOUCH=m
CONFIG_HID_KYE=m
CONFIG_HID_UCLOGIC=m
CONFIG_HID_WALTOP=m
CONFIG_HID_VIEWSONIC=m
CONFIG_HID_XIAOMI=m
CONFIG_HID_GYRATION=m
CONFIG_HID_ICADE=m
# CONFIG_HID_ITE is not set
# CONFIG_HID_JABRA is not set
CONFIG_HID_TWINHAN=m
# CONFIG_HID_KENSINGTON is not set
CONFIG_HID_LCPOWER=m
CONFIG_HID_LED=m
CONFIG_HID_LENOVO=m
CONFIG_HID_LETSKETCH=m
CONFIG_HID_LOGITECH=m
CONFIG_HID_LOGITECH_HIDPP=m
CONFIG_LOGITECH_FF=y
# CONFIG_LOGIRUMBLEPAD2_FF is not set
CONFIG_LOGIG940_FF=y
CONFIG_LOGIWHEELS_FF=y
# CONFIG_HID_MAGICMOUSE is not set
# CONFIG_HID_MALTRON is not set
CONFIG_HID_MAYFLASH=m
# CONFIG_HID_MEGAWORLD_FF is not set
# CONFIG_HID_REDRAGON is not set
CONFIG_HID_MICROSOFT=m
# CONFIG_HID_MONTEREY is not set
CONFIG_HID_MULTITOUCH=m
CONFIG_HID_NINTENDO=m
# CONFIG_NINTENDO_FF is not set
CONFIG_HID_NTI=m
CONFIG_HID_NTRIG=m
CONFIG_HID_ORTEK=m
CONFIG_HID_PANTHERLORD=m
# CONFIG_PANTHERLORD_FF is not set
# CONFIG_HID_PENMOUNT is not set
# CONFIG_HID_PETALYNX is not set
CONFIG_HID_PICOLCD=m
# CONFIG_HID_PICOLCD_BACKLIGHT is not set
# CONFIG_HID_PICOLCD_LCD is not set
CONFIG_HID_PICOLCD_LEDS=y
CONFIG_HID_PICOLCD_CIR=y
# CONFIG_HID_PLANTRONICS is not set
CONFIG_HID_PLAYSTATION=m
# CONFIG_PLAYSTATION_FF is not set
CONFIG_HID_RAZER=m
# CONFIG_HID_PRIMAX is not set
# CONFIG_HID_RETRODE is not set
CONFIG_HID_ROCCAT=m
# CONFIG_HID_SAITEK is not set
# CONFIG_HID_SAMSUNG is not set
# CONFIG_HID_SEMITEK is not set
CONFIG_HID_SIGMAMICRO=m
# CONFIG_HID_SONY is not set
# CONFIG_HID_SPEEDLINK is not set
CONFIG_HID_STEAM=m
# CONFIG_HID_STEELSERIES is not set
CONFIG_HID_SUNPLUS=m
# CONFIG_HID_RMI is not set
CONFIG_HID_GREENASIA=m
# CONFIG_GREENASIA_FF is not set
CONFIG_HID_SMARTJOYPLUS=m
# CONFIG_SMARTJOYPLUS_FF is not set
# CONFIG_HID_TIVO is not set
CONFIG_HID_TOPSEED=m
CONFIG_HID_THINGM=m
CONFIG_HID_THRUSTMASTER=m
CONFIG_THRUSTMASTER_FF=y
# CONFIG_HID_UDRAW_PS3 is not set
CONFIG_HID_U2FZERO=m
# CONFIG_HID_WACOM is not set
# CONFIG_HID_WIIMOTE is not set
# CONFIG_HID_XINMO is not set
CONFIG_HID_ZEROPLUS=m
CONFIG_ZEROPLUS_FF=y
# CONFIG_HID_ZYDACRON is not set
CONFIG_HID_SENSOR_HUB=m
# CONFIG_HID_SENSOR_CUSTOM_SENSOR is not set
CONFIG_HID_ALPS=m
# CONFIG_HID_MCP2221 is not set
# end of Special HID drivers

#
# USB HID support
#
CONFIG_USB_HID=m
CONFIG_HID_PID=y
CONFIG_USB_HIDDEV=y

#
# USB HID Boot Protocol drivers
#
# CONFIG_USB_KBD is not set
CONFIG_USB_MOUSE=m
# end of USB HID Boot Protocol drivers
# end of USB HID support

#
# I2C HID support
#
CONFIG_I2C_HID_OF=m
CONFIG_I2C_HID_OF_GOODIX=m
# end of I2C HID support

CONFIG_I2C_HID_CORE=m

#
# Intel ISH HID support
#
# end of Intel ISH HID support

#
# AMD SFH HID Support
#
CONFIG_AMD_SFH_HID=m
# end of AMD SFH HID Support
# end of HID support

CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_COMMON=y
CONFIG_USB_ULPI_BUS=y
# CONFIG_USB_CONN_GPIO is not set
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB=y
CONFIG_USB_PCI=y
# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set

#
# Miscellaneous USB options
#
# CONFIG_USB_DEFAULT_PERSIST is not set
# CONFIG_USB_FEW_INIT_RETRIES is not set
CONFIG_USB_DYNAMIC_MINORS=y
# CONFIG_USB_OTG_PRODUCTLIST is not set
CONFIG_USB_OTG_DISABLE_EXTERNAL_HUB=y
CONFIG_USB_AUTOSUSPEND_DELAY=2
# CONFIG_USB_MON is not set

#
# USB Host Controller Drivers
#
CONFIG_USB_C67X00_HCD=m
# CONFIG_USB_XHCI_HCD is not set
# CONFIG_USB_BRCMSTB is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_PCI=y
CONFIG_USB_EHCI_FSL=y
# CONFIG_USB_EHCI_HCD_NPCM7XX is not set
CONFIG_USB_EHCI_HCD_ORION=y
CONFIG_USB_EHCI_HCD_SPEAR=m
CONFIG_USB_EHCI_HCD_STI=y
CONFIG_USB_EHCI_HCD_AT91=y
# CONFIG_USB_EHCI_SH is not set
CONFIG_USB_EHCI_EXYNOS=y
CONFIG_USB_EHCI_MV=y
CONFIG_USB_CNS3XXX_EHCI=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OXU210HP_HCD=y
CONFIG_USB_ISP116X_HCD=m
# CONFIG_USB_ISP1362_HCD is not set
# CONFIG_USB_FOTG210_HCD is not set
CONFIG_USB_MAX3421_HCD=m
# CONFIG_USB_OHCI_HCD is not set
CONFIG_USB_UHCI_HCD=m
# CONFIG_USB_U132_HCD is not set
CONFIG_USB_SL811_HCD=y
# CONFIG_USB_SL811_HCD_ISO is not set
CONFIG_USB_R8A66597_HCD=m
CONFIG_USB_RENESAS_USBHS_HCD=m
CONFIG_USB_HCD_BCMA=m
# CONFIG_USB_HCD_SSB is not set
# CONFIG_USB_HCD_TEST_MODE is not set
CONFIG_USB_RENESAS_USBHS=y

#
# USB Device Class drivers
#
CONFIG_USB_PRINTER=m
CONFIG_USB_WDM=m
CONFIG_USB_TMC=m

#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#

#
# also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_STORAGE=m
CONFIG_USB_STORAGE_DEBUG=y
CONFIG_USB_STORAGE_REALTEK=m
CONFIG_USB_STORAGE_DATAFAB=m
CONFIG_USB_STORAGE_FREECOM=m
CONFIG_USB_STORAGE_ISD200=m
# CONFIG_USB_STORAGE_USBAT is not set
# CONFIG_USB_STORAGE_SDDR09 is not set
# CONFIG_USB_STORAGE_SDDR55 is not set
# CONFIG_USB_STORAGE_JUMPSHOT is not set
CONFIG_USB_STORAGE_ALAUDA=m
CONFIG_USB_STORAGE_ONETOUCH=m
# CONFIG_USB_STORAGE_KARMA is not set
# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
CONFIG_USB_STORAGE_ENE_UB6250=m
# CONFIG_USB_UAS is not set

#
# USB Imaging devices
#
CONFIG_USB_MDC800=m
CONFIG_USB_MICROTEK=y
CONFIG_USB_CDNS_SUPPORT=y
CONFIG_USB_CDNS3=m
CONFIG_USB_CDNS3_GADGET=y
# CONFIG_USB_CDNS3_HOST is not set
# CONFIG_USB_CDNS3_TI is not set
CONFIG_USB_CDNS3_IMX=m
CONFIG_USB_MTU3=m
# CONFIG_USB_MTU3_HOST is not set
# CONFIG_USB_MTU3_GADGET is not set
CONFIG_USB_MTU3_DUAL_ROLE=y
# CONFIG_USB_MTU3_DEBUG is not set
# CONFIG_USB_MUSB_HDRC is not set
CONFIG_USB_DWC3=m
CONFIG_USB_DWC3_ULPI=y
CONFIG_USB_DWC3_HOST=y
# CONFIG_USB_DWC3_GADGET is not set
# CONFIG_USB_DWC3_DUAL_ROLE is not set

#
# Platform Glue Driver Support
#
CONFIG_USB_DWC3_OMAP=m
# CONFIG_USB_DWC3_EXYNOS is not set
CONFIG_USB_DWC3_HAPS=m
CONFIG_USB_DWC3_KEYSTONE=m
CONFIG_USB_DWC3_MESON_G12A=m
CONFIG_USB_DWC3_OF_SIMPLE=m
# CONFIG_USB_DWC3_ST is not set
# CONFIG_USB_DWC3_QCOM is not set
CONFIG_USB_DWC3_IMX8MP=m
# CONFIG_USB_DWC3_AM62 is not set
# CONFIG_USB_DWC2 is not set
# CONFIG_USB_CHIPIDEA is not set
CONFIG_USB_ISP1760=m
CONFIG_USB_ISP1760_HCD=y
CONFIG_USB_ISP1760_HOST_ROLE=y
# CONFIG_USB_ISP1760_GADGET_ROLE is not set
# CONFIG_USB_ISP1760_DUAL_ROLE is not set

#
# USB port drivers
#

#
# USB Miscellaneous drivers
#
CONFIG_USB_EMI62=m
CONFIG_USB_EMI26=m
CONFIG_USB_ADUTUX=m
CONFIG_USB_SEVSEG=y
CONFIG_USB_LEGOTOWER=y
CONFIG_USB_LCD=y
# CONFIG_USB_CYPRESS_CY7C63 is not set
CONFIG_USB_CYTHERM=m
# CONFIG_USB_IDMOUSE is not set
CONFIG_USB_FTDI_ELAN=y
# CONFIG_USB_APPLEDISPLAY is not set
CONFIG_USB_QCOM_EUD=y
CONFIG_APPLE_MFI_FASTCHARGE=m
CONFIG_USB_SISUSBVGA=y
CONFIG_USB_LD=m
# CONFIG_USB_TRANCEVIBRATOR is not set
CONFIG_USB_IOWARRIOR=m
CONFIG_USB_TEST=y
# CONFIG_USB_EHSET_TEST_FIXTURE is not set
CONFIG_USB_ISIGHTFW=y
CONFIG_USB_YUREX=m
# CONFIG_USB_EZUSB_FX2 is not set
CONFIG_USB_HUB_USB251XB=m
# CONFIG_USB_HSIC_USB3503 is not set
# CONFIG_USB_HSIC_USB4604 is not set
# CONFIG_USB_LINK_LAYER_TEST is not set
CONFIG_USB_CHAOSKEY=m
# CONFIG_BRCM_USB_PINMAP is not set

#
# USB Physical Layer drivers
#
CONFIG_USB_PHY=y
# CONFIG_NOP_USB_XCEIV is not set
# CONFIG_USB_GPIO_VBUS is not set
CONFIG_TAHVO_USB=m
# CONFIG_TAHVO_USB_HOST_BY_DEFAULT is not set
CONFIG_USB_ISP1301=m
CONFIG_USB_TEGRA_PHY=m
CONFIG_USB_ULPI=y
CONFIG_USB_ULPI_VIEWPORT=y
CONFIG_JZ4770_PHY=m
# end of USB Physical Layer drivers

CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_DEBUG=y
CONFIG_USB_GADGET_VERBOSE=y
# CONFIG_USB_GADGET_DEBUG_FILES is not set
CONFIG_USB_GADGET_DEBUG_FS=y
CONFIG_USB_GADGET_VBUS_DRAW=2
CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2

#
# USB Peripheral Controller
#
# CONFIG_USB_LPC32XX is not set
CONFIG_USB_FUSB300=m
# CONFIG_USB_FOTG210_UDC is not set
# CONFIG_USB_GR_UDC is not set
# CONFIG_USB_R8A66597 is not set
CONFIG_USB_RENESAS_USBHS_UDC=m
CONFIG_USB_RENESAS_USB3=y
CONFIG_USB_PXA27X=m
# CONFIG_USB_MV_UDC is not set
CONFIG_USB_MV_U3D=y
CONFIG_USB_SNP_CORE=m
CONFIG_USB_SNP_UDC_PLAT=m
CONFIG_USB_M66592=y
CONFIG_USB_BDC_UDC=y
# CONFIG_USB_AMD5536UDC is not set
# CONFIG_USB_NET2272 is not set
# CONFIG_USB_NET2280 is not set
CONFIG_USB_GOKU=y
CONFIG_USB_EG20T=y
# CONFIG_USB_GADGET_XILINX is not set
CONFIG_USB_MAX3420_UDC=m
# CONFIG_USB_ASPEED_VHUB is not set
CONFIG_USB_DUMMY_HCD=y
# end of USB Peripheral Controller

CONFIG_USB_LIBCOMPOSITE=y
CONFIG_USB_F_SS_LB=m
CONFIG_USB_U_AUDIO=m
CONFIG_USB_F_MASS_STORAGE=m
CONFIG_USB_F_FS=y
CONFIG_USB_F_UAC1=m
CONFIG_USB_F_UAC1_LEGACY=m
CONFIG_USB_F_UAC2=m
CONFIG_USB_F_MIDI=m
CONFIG_USB_F_HID=y
CONFIG_USB_F_PRINTER=m
CONFIG_USB_CONFIGFS=m
CONFIG_USB_CONFIGFS_MASS_STORAGE=y
CONFIG_USB_CONFIGFS_F_LB_SS=y
# CONFIG_USB_CONFIGFS_F_FS is not set
CONFIG_USB_CONFIGFS_F_UAC1=y
CONFIG_USB_CONFIGFS_F_UAC1_LEGACY=y
CONFIG_USB_CONFIGFS_F_UAC2=y
CONFIG_USB_CONFIGFS_F_MIDI=y
CONFIG_USB_CONFIGFS_F_HID=y
CONFIG_USB_CONFIGFS_F_PRINTER=y
# CONFIG_USB_CONFIGFS_F_TCM is not set

#
# USB Gadget precomposed configurations
#
CONFIG_USB_ZERO=m
CONFIG_USB_AUDIO=m
# CONFIG_GADGET_UAC1 is not set
CONFIG_USB_GADGETFS=y
CONFIG_USB_FUNCTIONFS=y
CONFIG_USB_FUNCTIONFS_GENERIC=y
# CONFIG_USB_MASS_STORAGE is not set
# CONFIG_USB_GADGET_TARGET is not set
# CONFIG_USB_MIDI_GADGET is not set
# CONFIG_USB_G_PRINTER is not set
CONFIG_USB_G_HID=y
CONFIG_USB_RAW_GADGET=m
# end of USB Gadget precomposed configurations

CONFIG_TYPEC=m
CONFIG_TYPEC_TCPM=m
# CONFIG_TYPEC_TCPCI is not set
CONFIG_TYPEC_FUSB302=m
CONFIG_TYPEC_UCSI=m
CONFIG_UCSI_CCG=m
CONFIG_TYPEC_TPS6598X=m
CONFIG_TYPEC_RT1719=m
CONFIG_TYPEC_HD3SS3220=m
# CONFIG_TYPEC_STUSB160X is not set
# CONFIG_TYPEC_QCOM_PMIC is not set
# CONFIG_TYPEC_WUSB3801 is not set

#
# USB Type-C Multiplexer/DeMultiplexer Switch support
#
CONFIG_TYPEC_MUX_FSA4480=m
# CONFIG_TYPEC_MUX_PI3USB30532 is not set
# end of USB Type-C Multiplexer/DeMultiplexer Switch support

#
# USB Type-C Alternate Mode drivers
#
CONFIG_TYPEC_DP_ALTMODE=m
# CONFIG_TYPEC_NVIDIA_ALTMODE is not set
# end of USB Type-C Alternate Mode drivers

CONFIG_USB_ROLE_SWITCH=y
# CONFIG_MMC is not set
CONFIG_SCSI_UFSHCD=m
# CONFIG_SCSI_UFS_BSG is not set
# CONFIG_SCSI_UFS_HPB is not set
# CONFIG_SCSI_UFS_FAULT_INJECTION is not set
# CONFIG_SCSI_UFS_HWMON is not set
# CONFIG_SCSI_UFSHCD_PCI is not set
CONFIG_SCSI_UFSHCD_PLATFORM=m
CONFIG_SCSI_UFS_CDNS_PLATFORM=m
CONFIG_SCSI_UFS_DWC_TC_PLATFORM=m
# CONFIG_SCSI_UFS_HISI is not set
CONFIG_SCSI_UFS_TI_J721E=m
CONFIG_SCSI_UFS_EXYNOS=m
# CONFIG_MEMSTICK is not set
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=m
CONFIG_LEDS_CLASS_FLASH=m
CONFIG_LEDS_CLASS_MULTICOLOR=m
CONFIG_LEDS_BRIGHTNESS_HW_CHANGED=y

#
# LED drivers
#
# CONFIG_LEDS_AN30259A is not set
CONFIG_LEDS_ARIEL=m
CONFIG_LEDS_AW2013=m
CONFIG_LEDS_BCM6328=m
# CONFIG_LEDS_BCM6358 is not set
# CONFIG_LEDS_CPCAP is not set
CONFIG_LEDS_CR0014114=m
CONFIG_LEDS_EL15203000=m
# CONFIG_LEDS_TURRIS_OMNIA is not set
CONFIG_LEDS_LM3530=m
# CONFIG_LEDS_LM3532 is not set
CONFIG_LEDS_LM3533=m
CONFIG_LEDS_LM3642=m
CONFIG_LEDS_LM3692X=m
CONFIG_LEDS_MT6323=m
CONFIG_LEDS_S3C24XX=m
CONFIG_LEDS_COBALT_QUBE=m
CONFIG_LEDS_PCA9532=m
# CONFIG_LEDS_PCA9532_GPIO is not set
CONFIG_LEDS_GPIO=m
CONFIG_LEDS_LP3944=m
CONFIG_LEDS_LP3952=m
CONFIG_LEDS_LP50XX=m
CONFIG_LEDS_LP55XX_COMMON=m
CONFIG_LEDS_LP5521=m
CONFIG_LEDS_LP5523=m
# CONFIG_LEDS_LP5562 is not set
# CONFIG_LEDS_LP8501 is not set
CONFIG_LEDS_LP8860=m
# CONFIG_LEDS_PCA955X is not set
CONFIG_LEDS_PCA963X=m
CONFIG_LEDS_WM831X_STATUS=m
# CONFIG_LEDS_WM8350 is not set
# CONFIG_LEDS_DA9052 is not set
# CONFIG_LEDS_DAC124S085 is not set
CONFIG_LEDS_PWM=m
# CONFIG_LEDS_REGULATOR is not set
# CONFIG_LEDS_BD2802 is not set
CONFIG_LEDS_LT3593=m
CONFIG_LEDS_ADP5520=m
CONFIG_LEDS_MC13783=m
CONFIG_LEDS_NS2=m
# CONFIG_LEDS_NETXBIG is not set
CONFIG_LEDS_TCA6507=m
# CONFIG_LEDS_TLC591XX is not set
CONFIG_LEDS_MAX77650=m
# CONFIG_LEDS_LM355x is not set
# CONFIG_LEDS_OT200 is not set
# CONFIG_LEDS_MENF21BMC is not set
CONFIG_LEDS_IS31FL319X=m
CONFIG_LEDS_IS31FL32XX=m

#
# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)
#
# CONFIG_LEDS_BLINKM is not set
CONFIG_LEDS_PM8058=m
# CONFIG_LEDS_MLXREG is not set
CONFIG_LEDS_USER=m
CONFIG_LEDS_SPI_BYTE=m
CONFIG_LEDS_TI_LMU_COMMON=m
CONFIG_LEDS_LM3697=m
CONFIG_LEDS_LM36274=m
# CONFIG_LEDS_TPS6105X is not set
# CONFIG_LEDS_IP30 is not set
CONFIG_LEDS_ACER_A500=m
CONFIG_LEDS_LGM=m

#
# Flash and Torch LED drivers
#
CONFIG_LEDS_AAT1290=m
# CONFIG_LEDS_AS3645A is not set
# CONFIG_LEDS_KTD2692 is not set
CONFIG_LEDS_LM3601X=m
CONFIG_LEDS_MAX77693=m
# CONFIG_LEDS_MT6360 is not set
CONFIG_LEDS_RT4505=m
# CONFIG_LEDS_RT8515 is not set
CONFIG_LEDS_SGM3140=m

#
# RGB LED drivers
#
# CONFIG_LEDS_PWM_MULTICOLOR is not set

#
# LED Triggers
#
# CONFIG_LEDS_TRIGGERS is not set

#
# Simple LED drivers
#
CONFIG_ACCESSIBILITY=y

#
# Speakup console speech
#
# end of Speakup console speech

CONFIG_EDAC_SUPPORT=y
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
# CONFIG_RTC_HCTOSYS is not set
# CONFIG_RTC_SYSTOHC is not set
CONFIG_RTC_DEBUG=y
# CONFIG_RTC_NVMEM is not set

#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
# CONFIG_RTC_INTF_DEV is not set
# CONFIG_RTC_DRV_TEST is not set

#
# I2C RTC drivers
#
# CONFIG_RTC_DRV_88PM80X is not set
CONFIG_RTC_DRV_ABB5ZES3=m
# CONFIG_RTC_DRV_ABEOZ9 is not set
# CONFIG_RTC_DRV_ABX80X is not set
CONFIG_RTC_DRV_BRCMSTB=y
CONFIG_RTC_DRV_AS3722=m
CONFIG_RTC_DRV_DS1307=m
CONFIG_RTC_DRV_DS1307_CENTURY=y
CONFIG_RTC_DRV_DS1374=y
CONFIG_RTC_DRV_DS1672=m
CONFIG_RTC_DRV_HYM8563=m
CONFIG_RTC_DRV_MAX6900=m
CONFIG_RTC_DRV_MAX8907=y
# CONFIG_RTC_DRV_MAX8925 is not set
# CONFIG_RTC_DRV_MAX8998 is not set
CONFIG_RTC_DRV_MAX77686=y
CONFIG_RTC_DRV_RK808=m
# CONFIG_RTC_DRV_RS5C372 is not set
CONFIG_RTC_DRV_ISL1208=y
CONFIG_RTC_DRV_ISL12022=y
CONFIG_RTC_DRV_ISL12026=y
# CONFIG_RTC_DRV_X1205 is not set
CONFIG_RTC_DRV_PCF8523=y
# CONFIG_RTC_DRV_PCF85063 is not set
# CONFIG_RTC_DRV_PCF85363 is not set
# CONFIG_RTC_DRV_PCF8563 is not set
CONFIG_RTC_DRV_PCF8583=y
CONFIG_RTC_DRV_M41T80=m
CONFIG_RTC_DRV_M41T80_WDT=y
# CONFIG_RTC_DRV_BQ32K is not set
# CONFIG_RTC_DRV_TWL4030 is not set
CONFIG_RTC_DRV_TPS6586X=y
CONFIG_RTC_DRV_RC5T583=y
CONFIG_RTC_DRV_RC5T619=m
# CONFIG_RTC_DRV_S35390A is not set
CONFIG_RTC_DRV_FM3130=m
# CONFIG_RTC_DRV_RX8010 is not set
# CONFIG_RTC_DRV_RX8581 is not set
# CONFIG_RTC_DRV_RX8025 is not set
CONFIG_RTC_DRV_EM3027=y
CONFIG_RTC_DRV_RV3028=m
# CONFIG_RTC_DRV_RV3032 is not set
CONFIG_RTC_DRV_RV8803=m
# CONFIG_RTC_DRV_S5M is not set
# CONFIG_RTC_DRV_SD3078 is not set

#
# SPI RTC drivers
#
CONFIG_RTC_DRV_M41T93=m
CONFIG_RTC_DRV_M41T94=m
# CONFIG_RTC_DRV_DS1302 is not set
CONFIG_RTC_DRV_DS1305=m
CONFIG_RTC_DRV_DS1343=y
CONFIG_RTC_DRV_DS1347=y
CONFIG_RTC_DRV_DS1390=m
CONFIG_RTC_DRV_MAX6916=m
# CONFIG_RTC_DRV_R9701 is not set
CONFIG_RTC_DRV_RX4581=y
CONFIG_RTC_DRV_RS5C348=y
CONFIG_RTC_DRV_MAX6902=y
CONFIG_RTC_DRV_PCF2123=y
CONFIG_RTC_DRV_MCP795=y
CONFIG_RTC_I2C_AND_SPI=y

#
# SPI and I2C RTC drivers
#
CONFIG_RTC_DRV_DS3232=m
CONFIG_RTC_DRV_DS3232_HWMON=y
CONFIG_RTC_DRV_PCF2127=y
CONFIG_RTC_DRV_RV3029C2=y
CONFIG_RTC_DRV_RV3029_HWMON=y
CONFIG_RTC_DRV_RX6110=m

#
# Platform RTC drivers
#
CONFIG_RTC_DRV_DS1286=y
CONFIG_RTC_DRV_DS1511=m
CONFIG_RTC_DRV_DS1553=y
CONFIG_RTC_DRV_DS1685_FAMILY=m
# CONFIG_RTC_DRV_DS1685 is not set
# CONFIG_RTC_DRV_DS1689 is not set
# CONFIG_RTC_DRV_DS17285 is not set
CONFIG_RTC_DRV_DS17485=y
# CONFIG_RTC_DRV_DS17885 is not set
CONFIG_RTC_DRV_DS1742=y
# CONFIG_RTC_DRV_DS2404 is not set
CONFIG_RTC_DRV_DA9052=m
# CONFIG_RTC_DRV_DA9063 is not set
CONFIG_RTC_DRV_EFI=y
CONFIG_RTC_DRV_STK17TA8=y
CONFIG_RTC_DRV_M48T86=y
CONFIG_RTC_DRV_M48T35=m
CONFIG_RTC_DRV_M48T59=m
# CONFIG_RTC_DRV_MSM6242 is not set
CONFIG_RTC_DRV_BQ4802=m
CONFIG_RTC_DRV_RP5C01=y
CONFIG_RTC_DRV_V3020=y
# CONFIG_RTC_DRV_GAMECUBE is not set
# CONFIG_RTC_DRV_WM831X is not set
CONFIG_RTC_DRV_WM8350=y
CONFIG_RTC_DRV_SC27XX=y
CONFIG_RTC_DRV_SPEAR=m
# CONFIG_RTC_DRV_PCF50633 is not set
# CONFIG_RTC_DRV_ZYNQMP is not set

#
# on-CPU RTC drivers
#
CONFIG_RTC_DRV_ASM9260=m
CONFIG_RTC_DRV_DAVINCI=m
CONFIG_RTC_DRV_DIGICOLOR=y
CONFIG_RTC_DRV_FSL_FTM_ALARM=y
# CONFIG_RTC_DRV_MESON is not set
CONFIG_RTC_DRV_MESON_VRTC=m
# CONFIG_RTC_DRV_OMAP is not set
# CONFIG_RTC_DRV_S3C is not set
CONFIG_RTC_DRV_EP93XX=m
CONFIG_RTC_DRV_VR41XX=y
# CONFIG_RTC_DRV_AT91RM9200 is not set
CONFIG_RTC_DRV_AT91SAM9=y
CONFIG_RTC_DRV_RZN1=y
# CONFIG_RTC_DRV_GENERIC is not set
CONFIG_RTC_DRV_VT8500=m
CONFIG_RTC_DRV_SUN6I=y
# CONFIG_RTC_DRV_SUNXI is not set
CONFIG_RTC_DRV_MV=m
# CONFIG_RTC_DRV_ARMADA38X is not set
CONFIG_RTC_DRV_CADENCE=m
# CONFIG_RTC_DRV_FTRTC010 is not set
# CONFIG_RTC_DRV_STMP is not set
CONFIG_RTC_DRV_PCAP=m
# CONFIG_RTC_DRV_MC13XXX is not set
CONFIG_RTC_DRV_JZ4740=m
CONFIG_RTC_DRV_LPC24XX=y
# CONFIG_RTC_DRV_LPC32XX is not set
CONFIG_RTC_DRV_PM8XXX=m
CONFIG_RTC_DRV_TEGRA=m
CONFIG_RTC_DRV_MXC=y
CONFIG_RTC_DRV_MXC_V2=y
CONFIG_RTC_DRV_SNVS=y
# CONFIG_RTC_DRV_MOXART is not set
CONFIG_RTC_DRV_MT2712=y
CONFIG_RTC_DRV_MT6397=m
CONFIG_RTC_DRV_MT7622=y
# CONFIG_RTC_DRV_XGENE is not set
# CONFIG_RTC_DRV_R7301 is not set
# CONFIG_RTC_DRV_STM32 is not set
CONFIG_RTC_DRV_CPCAP=m
# CONFIG_RTC_DRV_RTD119X is not set
CONFIG_RTC_DRV_ASPEED=m

#
# HID Sensor RTC drivers
#
# CONFIG_RTC_DRV_HID_SENSOR_TIME is not set
CONFIG_RTC_DRV_GOLDFISH=y
CONFIG_RTC_DRV_MSC313=m
CONFIG_DMADEVICES=y
# CONFIG_DMADEVICES_DEBUG is not set

#
# DMA Devices
#
CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=y
CONFIG_DMA_ENGINE=y
CONFIG_DMA_VIRTUAL_CHANNELS=y
CONFIG_DMA_OF=y
CONFIG_ALTERA_MSGDMA=y
CONFIG_AXI_DMAC=m
CONFIG_BCM_SBA_RAID=m
CONFIG_DMA_JZ4780=y
CONFIG_DMA_SA11X0=y
CONFIG_DMA_SUN6I=m
CONFIG_DW_AXI_DMAC=m
# CONFIG_EP93XX_DMA is not set
CONFIG_FSL_EDMA=y
CONFIG_HISI_DMA=y
# CONFIG_IMG_MDC_DMA is not set
# CONFIG_INTEL_IDMA64 is not set
# CONFIG_INTEL_IOP_ADMA is not set
CONFIG_K3_DMA=y
# CONFIG_MCF_EDMA is not set
CONFIG_MILBEAUT_HDMAC=y
CONFIG_MILBEAUT_XDMAC=m
CONFIG_MMP_PDMA=y
# CONFIG_MMP_TDMA is not set
CONFIG_MV_XOR=y
CONFIG_MXS_DMA=y
CONFIG_NBPFAXI_DMA=y
CONFIG_PCH_DMA=y
CONFIG_PLX_DMA=y
# CONFIG_STM32_DMA is not set
# CONFIG_STM32_DMAMUX is not set
CONFIG_STM32_MDMA=y
CONFIG_SPRD_DMA=y
# CONFIG_S3C24XX_DMAC is not set
CONFIG_TEGRA20_APB_DMA=y
# CONFIG_TEGRA210_ADMA is not set
CONFIG_TIMB_DMA=m
CONFIG_UNIPHIER_MDMAC=m
# CONFIG_UNIPHIER_XDMAC is not set
CONFIG_XGENE_DMA=m
CONFIG_XILINX_ZYNQMP_DMA=y
# CONFIG_XILINX_ZYNQMP_DPDMA is not set
CONFIG_MTK_HSDMA=m
CONFIG_MTK_CQDMA=m
CONFIG_QCOM_ADM=m
CONFIG_QCOM_HIDMA_MGMT=m
# CONFIG_QCOM_HIDMA is not set
# CONFIG_DW_DMAC is not set
# CONFIG_DW_DMAC_PCI is not set
CONFIG_DW_EDMA=m
CONFIG_DW_EDMA_PCIE=m
CONFIG_SF_PDMA=m
CONFIG_RENESAS_DMA=y
CONFIG_SH_DMAE_BASE=y
CONFIG_SH_DMAE=m
# CONFIG_RCAR_DMAC is not set
# CONFIG_RENESAS_USB_DMAC is not set
CONFIG_RZ_DMAC=y
CONFIG_TI_EDMA=y
# CONFIG_DMA_OMAP is not set
CONFIG_TI_DMA_CROSSBAR=y
# CONFIG_INTEL_LDMA is not set

#
# DMA Clients
#
# CONFIG_ASYNC_TX_DMA is not set
CONFIG_DMATEST=y
CONFIG_DMA_ENGINE_RAID=y

#
# DMABUF options
#
CONFIG_SYNC_FILE=y
CONFIG_SW_SYNC=y
CONFIG_UDMABUF=y
CONFIG_DMABUF_MOVE_NOTIFY=y
CONFIG_DMABUF_DEBUG=y
CONFIG_DMABUF_SELFTESTS=m
CONFIG_DMABUF_HEAPS=y
# CONFIG_DMABUF_SYSFS_STATS is not set
CONFIG_DMABUF_HEAPS_SYSTEM=y
CONFIG_DMABUF_HEAPS_CMA=y
# end of DMABUF options

CONFIG_AUXDISPLAY=y
CONFIG_CHARLCD=y
CONFIG_LINEDISP=y
CONFIG_HD44780_COMMON=y
CONFIG_HD44780=y
CONFIG_IMG_ASCII_LCD=y
CONFIG_LCD2S=y
# CONFIG_PANEL_CHANGE_MESSAGE is not set
# CONFIG_CHARLCD_BL_OFF is not set
CONFIG_CHARLCD_BL_ON=y
# CONFIG_CHARLCD_BL_FLASH is not set
# CONFIG_UIO is not set
CONFIG_VFIO=y
CONFIG_VFIO_VIRQFD=m
CONFIG_VFIO_NOIOMMU=y
CONFIG_VFIO_PCI_CORE=m
CONFIG_VFIO_PCI_MMAP=y
CONFIG_VFIO_PCI_INTX=y
CONFIG_VFIO_PCI=m
# CONFIG_VFIO_PLATFORM is not set
CONFIG_VFIO_MDEV=m
CONFIG_IRQ_BYPASS_MANAGER=m
# CONFIG_VIRT_DRIVERS is not set
CONFIG_VIRTIO=y
CONFIG_VIRTIO_MENU=y
# CONFIG_VIRTIO_PCI is not set
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=m
# CONFIG_VIRTIO_MMIO is not set
CONFIG_VHOST_MENU=y
# CONFIG_VHOST_SCSI is not set
CONFIG_VHOST_CROSS_ENDIAN_LEGACY=y

#
# Microsoft Hyper-V guest support
#
# end of Microsoft Hyper-V guest support

CONFIG_GREYBUS=y
CONFIG_GREYBUS_ES2=y
CONFIG_COMEDI=m
CONFIG_COMEDI_DEBUG=y
CONFIG_COMEDI_DEFAULT_BUF_SIZE_KB=2048
CONFIG_COMEDI_DEFAULT_BUF_MAXSIZE_KB=20480
# CONFIG_COMEDI_MISC_DRIVERS is not set
# CONFIG_COMEDI_ISA_DRIVERS is not set
CONFIG_COMEDI_PCI_DRIVERS=m
CONFIG_COMEDI_8255_PCI=m
CONFIG_COMEDI_ADDI_WATCHDOG=m
CONFIG_COMEDI_ADDI_APCI_1032=m
CONFIG_COMEDI_ADDI_APCI_1500=m
CONFIG_COMEDI_ADDI_APCI_1516=m
# CONFIG_COMEDI_ADDI_APCI_1564 is not set
CONFIG_COMEDI_ADDI_APCI_16XX=m
# CONFIG_COMEDI_ADDI_APCI_2032 is not set
CONFIG_COMEDI_ADDI_APCI_2200=m
CONFIG_COMEDI_ADDI_APCI_3120=m
CONFIG_COMEDI_ADDI_APCI_3501=m
CONFIG_COMEDI_ADDI_APCI_3XXX=m
CONFIG_COMEDI_ADL_PCI6208=m
CONFIG_COMEDI_ADL_PCI7X3X=m
# CONFIG_COMEDI_ADL_PCI8164 is not set
CONFIG_COMEDI_ADL_PCI9111=m
# CONFIG_COMEDI_ADL_PCI9118 is not set
CONFIG_COMEDI_ADV_PCI1710=m
CONFIG_COMEDI_ADV_PCI1720=m
# CONFIG_COMEDI_ADV_PCI1723 is not set
CONFIG_COMEDI_ADV_PCI1724=m
# CONFIG_COMEDI_ADV_PCI1760 is not set
# CONFIG_COMEDI_ADV_PCI_DIO is not set
CONFIG_COMEDI_AMPLC_DIO200_PCI=m
# CONFIG_COMEDI_AMPLC_PC236_PCI is not set
CONFIG_COMEDI_AMPLC_PC263_PCI=m
CONFIG_COMEDI_AMPLC_PCI224=m
CONFIG_COMEDI_AMPLC_PCI230=m
# CONFIG_COMEDI_CONTEC_PCI_DIO is not set
CONFIG_COMEDI_DAS08_PCI=m
CONFIG_COMEDI_DT3000=m
CONFIG_COMEDI_DYNA_PCI10XX=m
CONFIG_COMEDI_GSC_HPDI=m
CONFIG_COMEDI_MF6X4=m
CONFIG_COMEDI_ICP_MULTI=m
CONFIG_COMEDI_DAQBOARD2000=m
CONFIG_COMEDI_JR3_PCI=m
CONFIG_COMEDI_KE_COUNTER=m
CONFIG_COMEDI_CB_PCIDAS64=m
CONFIG_COMEDI_CB_PCIDAS=m
CONFIG_COMEDI_CB_PCIDDA=m
CONFIG_COMEDI_CB_PCIMDAS=m
# CONFIG_COMEDI_CB_PCIMDDA is not set
# CONFIG_COMEDI_ME4000 is not set
CONFIG_COMEDI_ME_DAQ=m
CONFIG_COMEDI_NI_6527=m
CONFIG_COMEDI_NI_65XX=m
# CONFIG_COMEDI_NI_660X is not set
CONFIG_COMEDI_NI_670X=m
CONFIG_COMEDI_NI_LABPC_PCI=m
CONFIG_COMEDI_NI_PCIDIO=m
CONFIG_COMEDI_NI_PCIMIO=m
# CONFIG_COMEDI_RTD520 is not set
CONFIG_COMEDI_S626=m
CONFIG_COMEDI_MITE=m
CONFIG_COMEDI_NI_TIOCMD=m
CONFIG_COMEDI_USB_DRIVERS=m
# CONFIG_COMEDI_DT9812 is not set
CONFIG_COMEDI_NI_USB6501=m
# CONFIG_COMEDI_USBDUX is not set
CONFIG_COMEDI_USBDUXFAST=m
# CONFIG_COMEDI_USBDUXSIGMA is not set
CONFIG_COMEDI_VMK80XX=m
CONFIG_COMEDI_8254=m
CONFIG_COMEDI_8255=m
CONFIG_COMEDI_8255_SA=m
CONFIG_COMEDI_KCOMEDILIB=m
CONFIG_COMEDI_AMPLC_DIO200=m
CONFIG_COMEDI_DAS08=m
CONFIG_COMEDI_NI_LABPC=m
CONFIG_COMEDI_NI_TIO=m
CONFIG_COMEDI_NI_ROUTING=m
CONFIG_COMEDI_TESTS=m
CONFIG_COMEDI_TESTS_EXAMPLE=m
# CONFIG_COMEDI_TESTS_NI_ROUTES is not set
# CONFIG_STAGING is not set
CONFIG_GOLDFISH=y
CONFIG_GOLDFISH_PIPE=m
# CONFIG_CHROME_PLATFORMS is not set
CONFIG_MELLANOX_PLATFORM=y
CONFIG_MLXREG_HOTPLUG=m
CONFIG_MLXREG_IO=m
# CONFIG_MLXREG_LC is not set
# CONFIG_NVSW_SN2201 is not set
# CONFIG_OLPC_XO175 is not set
# CONFIG_SURFACE_PLATFORMS is not set
CONFIG_HAVE_CLK=y
CONFIG_HAVE_CLK_PREPARE=y
CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_WM831X=m

#
# Clock driver for ARM Reference designs
#
# CONFIG_CLK_ICST is not set
# CONFIG_CLK_SP810 is not set
# end of Clock driver for ARM Reference designs

# CONFIG_CLK_HSDK is not set
# CONFIG_LMK04832 is not set
# CONFIG_COMMON_CLK_APPLE_NCO is not set
CONFIG_COMMON_CLK_MAX77686=y
CONFIG_COMMON_CLK_MAX9485=m
# CONFIG_COMMON_CLK_RK808 is not set
# CONFIG_COMMON_CLK_HI655X is not set
# CONFIG_COMMON_CLK_SCMI is not set
CONFIG_COMMON_CLK_SCPI=m
CONFIG_COMMON_CLK_SI5341=y
CONFIG_COMMON_CLK_SI5351=y
# CONFIG_COMMON_CLK_SI514 is not set
# CONFIG_COMMON_CLK_SI544 is not set
# CONFIG_COMMON_CLK_SI570 is not set
# CONFIG_COMMON_CLK_BM1880 is not set
CONFIG_COMMON_CLK_CDCE706=y
CONFIG_COMMON_CLK_TPS68470=m
CONFIG_COMMON_CLK_CDCE925=y
CONFIG_COMMON_CLK_CS2000_CP=y
# CONFIG_COMMON_CLK_EN7523 is not set
CONFIG_COMMON_CLK_FSL_FLEXSPI=m
CONFIG_COMMON_CLK_FSL_SAI=y
# CONFIG_COMMON_CLK_GEMINI is not set
CONFIG_COMMON_CLK_LAN966X=y
CONFIG_COMMON_CLK_ASPEED=y
CONFIG_COMMON_CLK_S2MPS11=m
CONFIG_COMMON_CLK_AXI_CLKGEN=m
# CONFIG_CLK_QORIQ is not set
# CONFIG_CLK_LS1028A_PLLDIG is not set
CONFIG_COMMON_CLK_XGENE=y
CONFIG_COMMON_CLK_PWM=m
CONFIG_COMMON_CLK_OXNAS=y
CONFIG_COMMON_CLK_RS9_PCIE=m
# CONFIG_COMMON_CLK_VC5 is not set
CONFIG_COMMON_CLK_MMP2_AUDIO=y
# CONFIG_COMMON_CLK_BD718XX is not set
# CONFIG_COMMON_CLK_FIXED_MMIO is not set
CONFIG_CLK_ACTIONS=y
CONFIG_CLK_OWL_S500=y
CONFIG_CLK_OWL_S700=y
CONFIG_CLK_OWL_S900=y
# CONFIG_CLK_BAIKAL_T1 is not set
# CONFIG_CLK_BCM2711_DVP is not set
CONFIG_CLK_BCM2835=y
CONFIG_CLK_BCM_63XX=y
# CONFIG_CLK_BCM_63XX_GATE is not set
# CONFIG_CLK_BCM_KONA is not set
CONFIG_COMMON_CLK_IPROC=y
# CONFIG_CLK_BCM_CYGNUS is not set
CONFIG_CLK_BCM_HR2=y
# CONFIG_CLK_BCM_NSP is not set
CONFIG_CLK_BCM_NS2=y
# CONFIG_CLK_BCM_SR is not set
CONFIG_CLK_RASPBERRYPI=y
CONFIG_COMMON_CLK_HI3516CV300=y
CONFIG_COMMON_CLK_HI3519=y
# CONFIG_COMMON_CLK_HI3559A is not set
# CONFIG_COMMON_CLK_HI3660 is not set
# CONFIG_COMMON_CLK_HI3670 is not set
CONFIG_COMMON_CLK_HI3798CV200=y
# CONFIG_COMMON_CLK_HI6220 is not set
CONFIG_RESET_HISI=y
# CONFIG_STUB_CLK_HI6220 is not set
# CONFIG_STUB_CLK_HI3660 is not set
CONFIG_COMMON_CLK_BOSTON=y
CONFIG_MXC_CLK=y
CONFIG_CLK_IMX8MM=y
CONFIG_CLK_IMX8MN=m
# CONFIG_CLK_IMX8MP is not set
CONFIG_CLK_IMX8MQ=y
# CONFIG_CLK_IMX8ULP is not set
CONFIG_CLK_IMX93=m

#
# Ingenic SoCs drivers
#
CONFIG_INGENIC_CGU_COMMON=y
# CONFIG_INGENIC_CGU_JZ4740 is not set
# CONFIG_INGENIC_CGU_JZ4725B is not set
CONFIG_INGENIC_CGU_JZ4760=y
CONFIG_INGENIC_CGU_JZ4770=y
# CONFIG_INGENIC_CGU_JZ4780 is not set
CONFIG_INGENIC_CGU_X1000=y
# CONFIG_INGENIC_CGU_X1830 is not set
# CONFIG_INGENIC_TCU_CLK is not set
# end of Ingenic SoCs drivers

CONFIG_COMMON_CLK_KEYSTONE=m
CONFIG_TI_SYSCON_CLK=m

#
# Clock driver for MediaTek SoC
#
CONFIG_COMMON_CLK_MEDIATEK=y
CONFIG_COMMON_CLK_MT2701=y
CONFIG_COMMON_CLK_MT2701_MMSYS=y
CONFIG_COMMON_CLK_MT2701_IMGSYS=y
CONFIG_COMMON_CLK_MT2701_VDECSYS=y
# CONFIG_COMMON_CLK_MT2701_HIFSYS is not set
# CONFIG_COMMON_CLK_MT2701_ETHSYS is not set
# CONFIG_COMMON_CLK_MT2701_BDPSYS is not set
# CONFIG_COMMON_CLK_MT2701_AUDSYS is not set
# CONFIG_COMMON_CLK_MT2701_G3DSYS is not set
CONFIG_COMMON_CLK_MT2712=y
CONFIG_COMMON_CLK_MT2712_BDPSYS=y
CONFIG_COMMON_CLK_MT2712_IMGSYS=y
# CONFIG_COMMON_CLK_MT2712_JPGDECSYS is not set
# CONFIG_COMMON_CLK_MT2712_MFGCFG is not set
# CONFIG_COMMON_CLK_MT2712_MMSYS is not set
# CONFIG_COMMON_CLK_MT2712_VDECSYS is not set
# CONFIG_COMMON_CLK_MT2712_VENCSYS is not set
# CONFIG_COMMON_CLK_MT6765 is not set
CONFIG_COMMON_CLK_MT6779=y
CONFIG_COMMON_CLK_MT6779_MMSYS=y
CONFIG_COMMON_CLK_MT6779_IMGSYS=m
# CONFIG_COMMON_CLK_MT6779_IPESYS is not set
CONFIG_COMMON_CLK_MT6779_CAMSYS=y
CONFIG_COMMON_CLK_MT6779_VDECSYS=y
CONFIG_COMMON_CLK_MT6779_VENCSYS=m
CONFIG_COMMON_CLK_MT6779_MFGCFG=m
CONFIG_COMMON_CLK_MT6779_AUDSYS=m
# CONFIG_COMMON_CLK_MT6797 is not set
# CONFIG_COMMON_CLK_MT7622 is not set
# CONFIG_COMMON_CLK_MT7629 is not set
CONFIG_COMMON_CLK_MT7986=y
# CONFIG_COMMON_CLK_MT7986_ETHSYS is not set
CONFIG_COMMON_CLK_MT8135=y
# CONFIG_COMMON_CLK_MT8167 is not set
# CONFIG_COMMON_CLK_MT8173 is not set
CONFIG_COMMON_CLK_MT8183=y
# CONFIG_COMMON_CLK_MT8183_AUDIOSYS is not set
# CONFIG_COMMON_CLK_MT8183_CAMSYS is not set
CONFIG_COMMON_CLK_MT8183_IMGSYS=y
# CONFIG_COMMON_CLK_MT8183_IPU_CORE0 is not set
# CONFIG_COMMON_CLK_MT8183_IPU_CORE1 is not set
CONFIG_COMMON_CLK_MT8183_IPU_ADL=y
# CONFIG_COMMON_CLK_MT8183_IPU_CONN is not set
# CONFIG_COMMON_CLK_MT8183_MFGCFG is not set
CONFIG_COMMON_CLK_MT8183_MMSYS=y
CONFIG_COMMON_CLK_MT8183_VDECSYS=y
CONFIG_COMMON_CLK_MT8183_VENCSYS=y
# CONFIG_COMMON_CLK_MT8186 is not set
# CONFIG_COMMON_CLK_MT8192 is not set
# CONFIG_COMMON_CLK_MT8195 is not set
CONFIG_COMMON_CLK_MT8516=y
# CONFIG_COMMON_CLK_MT8516_AUDSYS is not set
# end of Clock driver for MediaTek SoC

#
# Clock support for Amlogic platforms
#
# end of Clock support for Amlogic platforms

CONFIG_MSTAR_MSC313_MPLL=y
# CONFIG_MCHP_CLK_MPFS is not set
# CONFIG_COMMON_CLK_PISTACHIO is not set
# CONFIG_COMMON_CLK_QCOM is not set
CONFIG_CLK_MT7621=y
CONFIG_CLK_RENESAS=y
# CONFIG_CLK_EMEV2 is not set
CONFIG_CLK_RZA1=y
CONFIG_CLK_R7S9210=y
# CONFIG_CLK_R8A73A4 is not set
# CONFIG_CLK_R8A7740 is not set
# CONFIG_CLK_R8A7742 is not set
# CONFIG_CLK_R8A7743 is not set
CONFIG_CLK_R8A7745=y
# CONFIG_CLK_R8A77470 is not set
CONFIG_CLK_R8A774A1=y
# CONFIG_CLK_R8A774B1 is not set
# CONFIG_CLK_R8A774C0 is not set
# CONFIG_CLK_R8A774E1 is not set
CONFIG_CLK_R8A7778=y
CONFIG_CLK_R8A7779=y
# CONFIG_CLK_R8A7790 is not set
# CONFIG_CLK_R8A7791 is not set
CONFIG_CLK_R8A7792=y
# CONFIG_CLK_R8A7794 is not set
CONFIG_CLK_R8A7795=y
# CONFIG_CLK_R8A77960 is not set
# CONFIG_CLK_R8A77961 is not set
CONFIG_CLK_R8A77965=y
CONFIG_CLK_R8A77970=y
# CONFIG_CLK_R8A77980 is not set
# CONFIG_CLK_R8A77990 is not set
# CONFIG_CLK_R8A77995 is not set
CONFIG_CLK_R8A779A0=y
# CONFIG_CLK_R8A779F0 is not set
# CONFIG_CLK_R8A779G0 is not set
# CONFIG_CLK_R9A06G032 is not set
CONFIG_CLK_R9A07G043=y
CONFIG_CLK_R9A07G044=y
CONFIG_CLK_R9A07G054=y
CONFIG_CLK_R9A09G011=y
CONFIG_CLK_SH73A0=y
CONFIG_CLK_RCAR_CPG_LIB=y
CONFIG_CLK_RCAR_GEN2_CPG=y
CONFIG_CLK_RCAR_GEN3_CPG=y
CONFIG_CLK_RCAR_GEN4_CPG=y
CONFIG_CLK_RCAR_USB2_CLOCK_SEL=y
CONFIG_CLK_RZG2L=y
CONFIG_CLK_RENESAS_CPG_MSSR=y
CONFIG_CLK_RENESAS_CPG_MSTP=y
CONFIG_CLK_RENESAS_DIV6=y
CONFIG_COMMON_CLK_SAMSUNG=y
CONFIG_S3C64XX_COMMON_CLK=y
# CONFIG_S5PV210_COMMON_CLK is not set
CONFIG_EXYNOS_3250_COMMON_CLK=y
CONFIG_EXYNOS_4_COMMON_CLK=y
# CONFIG_EXYNOS_5250_COMMON_CLK is not set
CONFIG_EXYNOS_5260_COMMON_CLK=y
# CONFIG_EXYNOS_5410_COMMON_CLK is not set
CONFIG_EXYNOS_5420_COMMON_CLK=y
# CONFIG_EXYNOS_ARM64_COMMON_CLK is not set
CONFIG_EXYNOS_AUDSS_CLK_CON=m
# CONFIG_EXYNOS_CLKOUT is not set
CONFIG_S3C2410_COMMON_CLK=y
CONFIG_S3C2412_COMMON_CLK=y
# CONFIG_S3C2443_COMMON_CLK is not set
CONFIG_CLK_SIFIVE=y
# CONFIG_CLK_SIFIVE_PRCI is not set
# CONFIG_CLK_INTEL_SOCFPGA is not set
CONFIG_SPRD_COMMON_CLK=m
# CONFIG_SPRD_SC9860_CLK is not set
CONFIG_SPRD_SC9863A_CLK=m
# CONFIG_CLK_STARFIVE_JH7100 is not set
CONFIG_CLK_SUNXI=y
# CONFIG_CLK_SUNXI_CLOCKS is not set
CONFIG_CLK_SUNXI_PRCM_SUN6I=y
# CONFIG_CLK_SUNXI_PRCM_SUN8I is not set
# CONFIG_CLK_SUNXI_PRCM_SUN9I is not set
# CONFIG_SUNXI_CCU is not set
# CONFIG_COMMON_CLK_TI_ADPLL is not set
# CONFIG_CLK_UNIPHIER is not set
# CONFIG_COMMON_CLK_VISCONTI is not set
# CONFIG_CLK_LGM_CGU is not set
CONFIG_XILINX_VCU=y
CONFIG_COMMON_CLK_ZYNQMP=y
CONFIG_HWSPINLOCK=y
# CONFIG_HWSPINLOCK_OMAP is not set
# CONFIG_HWSPINLOCK_QCOM is not set
# CONFIG_HWSPINLOCK_SPRD is not set
CONFIG_HWSPINLOCK_STM32=y
CONFIG_HWSPINLOCK_SUN6I=y
CONFIG_HSEM_U8500=y

#
# Clock Source drivers
#
CONFIG_TIMER_OF=y
CONFIG_TIMER_PROBE=y
CONFIG_CLKSRC_MMIO=y
# CONFIG_BCM2835_TIMER is not set
# CONFIG_BCM_KONA_TIMER is not set
# CONFIG_DAVINCI_TIMER is not set
CONFIG_DIGICOLOR_TIMER=y
CONFIG_DW_APB_TIMER=y
# CONFIG_FTTMR010_TIMER is not set
# CONFIG_IXP4XX_TIMER is not set
CONFIG_MESON6_TIMER=y
CONFIG_OWL_TIMER=y
# CONFIG_RDA_TIMER is not set
# CONFIG_SUN4I_TIMER is not set
# CONFIG_SUN5I_HSTIMER is not set
# CONFIG_TEGRA_TIMER is not set
# CONFIG_VT8500_TIMER is not set
# CONFIG_NPCM7XX_TIMER is not set
# CONFIG_CADENCE_TTC_TIMER is not set
CONFIG_ASM9260_TIMER=y
# CONFIG_CLKSRC_DBX500_PRCMU is not set
CONFIG_CLPS711X_TIMER=y
# CONFIG_MXS_TIMER is not set
# CONFIG_NSPIRE_TIMER is not set
# CONFIG_INTEGRATOR_AP_TIMER is not set
# CONFIG_CLKSRC_PISTACHIO is not set
# CONFIG_CLKSRC_TI_32K is not set
CONFIG_CLKSRC_STM32_LP=y
# CONFIG_CLKSRC_MPS2 is not set
CONFIG_ARC_TIMERS=y
CONFIG_ARC_TIMERS_64BIT=y
CONFIG_ARM_TIMER_SP804=y
CONFIG_ARMV7M_SYSTICK=y
# CONFIG_ATMEL_PIT is not set
# CONFIG_ATMEL_ST is not set
CONFIG_CLKSRC_SAMSUNG_PWM=y
# CONFIG_FSL_FTM_TIMER is not set
CONFIG_OXNAS_RPS_TIMER=y
# CONFIG_MTK_TIMER is not set
CONFIG_SPRD_TIMER=y
CONFIG_CLKSRC_JCORE_PIT=y
CONFIG_SH_TIMER_CMT=y
# CONFIG_SH_TIMER_MTU2 is not set
# CONFIG_RENESAS_OSTM is not set
CONFIG_SH_TIMER_TMU=y
CONFIG_EM_TIMER_STI=y
CONFIG_CLKSRC_VERSATILE=y
CONFIG_CLKSRC_PXA=y
# CONFIG_TIMER_IMX_SYS_CTR is not set
CONFIG_CLKSRC_ST_LPC=y
# CONFIG_GXP_TIMER is not set
CONFIG_RISCV_TIMER=y
CONFIG_CLINT_TIMER=y
# CONFIG_MSC313E_TIMER is not set
CONFIG_INGENIC_TIMER=y
# CONFIG_INGENIC_SYSOST is not set
CONFIG_INGENIC_OST=y
# CONFIG_MICROCHIP_PIT64B is not set
CONFIG_GOLDFISH_TIMER=y
# end of Clock Source drivers

CONFIG_MAILBOX=y
# CONFIG_IMX_MBOX is not set
CONFIG_PLATFORM_MHU=y
CONFIG_ARMADA_37XX_RWTM_MBOX=y
# CONFIG_ROCKCHIP_MBOX is not set
CONFIG_ALTERA_MBOX=m
CONFIG_HI3660_MBOX=m
# CONFIG_HI6220_MBOX is not set
CONFIG_MAILBOX_TEST=m
# CONFIG_POLARFIRE_SOC_MAILBOX is not set
CONFIG_QCOM_APCS_IPC=m
# CONFIG_BCM_PDC_MBOX is not set
# CONFIG_STM32_IPCC is not set
CONFIG_MTK_ADSP_MBOX=m
CONFIG_MTK_CMDQ_MBOX=y
# CONFIG_SUN6I_MSGBOX is not set
# CONFIG_SPRD_MBOX is not set
CONFIG_QCOM_IPCC=m
CONFIG_IOMMU_API=y
CONFIG_IOMMU_SUPPORT=y

#
# Generic IOMMU Pagetable Support
#
CONFIG_IOMMU_IO_PGTABLE=y
# CONFIG_IOMMU_IO_PGTABLE_ARMV7S is not set
# end of Generic IOMMU Pagetable Support

CONFIG_IOMMU_DEBUGFS=y
# CONFIG_IOMMU_DEFAULT_DMA_STRICT is not set
# CONFIG_IOMMU_DEFAULT_DMA_LAZY is not set
CONFIG_IOMMU_DEFAULT_PASSTHROUGH=y
CONFIG_OF_IOMMU=y
# CONFIG_OMAP_IOMMU is not set
# CONFIG_ROCKCHIP_IOMMU is not set
# CONFIG_SUN50I_IOMMU is not set
# CONFIG_EXYNOS_IOMMU is not set
# CONFIG_S390_CCW_IOMMU is not set
CONFIG_S390_AP_IOMMU=y
# CONFIG_MTK_IOMMU is not set
CONFIG_SPRD_IOMMU=y

#
# Remoteproc drivers
#
# CONFIG_REMOTEPROC is not set
# end of Remoteproc drivers

#
# Rpmsg drivers
#
CONFIG_RPMSG=y
CONFIG_RPMSG_CTRL=m
CONFIG_RPMSG_NS=y
CONFIG_RPMSG_QCOM_GLINK=m
CONFIG_RPMSG_QCOM_GLINK_RPM=m
CONFIG_RPMSG_QCOM_GLINK_SMEM=m
# CONFIG_RPMSG_QCOM_SMD is not set
CONFIG_RPMSG_VIRTIO=y
# end of Rpmsg drivers

# CONFIG_SOUNDWIRE is not set

#
# SOC (System On Chip) specific Drivers
#

#
# Amlogic SoC drivers
#
CONFIG_MESON_CANVAS=m
CONFIG_MESON_CLK_MEASURE=m
CONFIG_MESON_GX_SOCINFO=y
# CONFIG_MESON_MX_SOCINFO is not set
# end of Amlogic SoC drivers

#
# Apple SoC drivers
#
# CONFIG_APPLE_RTKIT is not set
CONFIG_APPLE_SART=m
# end of Apple SoC drivers

#
# ASPEED SoC drivers
#
CONFIG_ASPEED_LPC_CTRL=m
CONFIG_ASPEED_LPC_SNOOP=y
# CONFIG_ASPEED_UART_ROUTING is not set
CONFIG_ASPEED_P2A_CTRL=y
CONFIG_ASPEED_SOCINFO=y
# end of ASPEED SoC drivers

CONFIG_AT91_SOC_ID=y
CONFIG_AT91_SOC_SFR=m

#
# Broadcom SoC drivers
#
CONFIG_BCM2835_POWER=y
CONFIG_SOC_BCM63XX=y
# CONFIG_SOC_BRCMSTB is not set
# CONFIG_BCM63XX_POWER is not set
CONFIG_BCM_PMB=y
# end of Broadcom SoC drivers

#
# NXP/Freescale QorIQ SoC drivers
#
CONFIG_QUICC_ENGINE=y
# CONFIG_DPAA2_CONSOLE is not set
# end of NXP/Freescale QorIQ SoC drivers

#
# i.MX SoC drivers
#
# CONFIG_SOC_IMX8M is not set
# end of i.MX SoC drivers

#
# IXP4xx SoC drivers
#
# CONFIG_IXP4XX_QMGR is not set
CONFIG_IXP4XX_NPE=y
# end of IXP4xx SoC drivers

#
# Enable LiteX SoC Builder specific drivers
#
# CONFIG_LITEX_SOC_CONTROLLER is not set
# end of Enable LiteX SoC Builder specific drivers

#
# MediaTek SoC drivers
#
CONFIG_MTK_CMDQ=y
CONFIG_MTK_DEVAPC=y
CONFIG_MTK_INFRACFG=y
CONFIG_MTK_PMIC_WRAP=m
# CONFIG_MTK_SCPSYS is not set
# CONFIG_MTK_MMSYS is not set
# end of MediaTek SoC drivers

#
# Qualcomm SoC drivers
#
# CONFIG_QCOM_COMMAND_DB is not set
CONFIG_QCOM_GENI_SE=m
# CONFIG_QCOM_GSBI is not set
CONFIG_QCOM_LLCC=y
# CONFIG_QCOM_RPMH is not set
CONFIG_QCOM_RPMPD=y
CONFIG_QCOM_SMEM=m
CONFIG_QCOM_SMD_RPM=y
CONFIG_QCOM_SMEM_STATE=y
CONFIG_QCOM_SMP2P=m
CONFIG_QCOM_SMSM=m
# CONFIG_QCOM_SOCINFO is not set
# CONFIG_QCOM_SPM is not set
CONFIG_QCOM_STATS=m
CONFIG_QCOM_WCNSS_CTRL=y
# end of Qualcomm SoC drivers

CONFIG_SOC_RENESAS=y
# CONFIG_RST_RCAR is not set
CONFIG_SYSC_RCAR=y
CONFIG_SYSC_RCAR_GEN4=y
# CONFIG_SYSC_R8A77995 is not set
# CONFIG_SYSC_R8A7794 is not set
CONFIG_SYSC_R8A77990=y
CONFIG_SYSC_R8A7779=y
# CONFIG_SYSC_R8A7790 is not set
CONFIG_SYSC_R8A7795=y
# CONFIG_SYSC_R8A7791 is not set
CONFIG_SYSC_R8A77965=y
# CONFIG_SYSC_R8A77960 is not set
# CONFIG_SYSC_R8A77961 is not set
CONFIG_SYSC_R8A779F0=y
# CONFIG_SYSC_R8A7792 is not set
# CONFIG_SYSC_R8A77980 is not set
CONFIG_SYSC_R8A77970=y
# CONFIG_SYSC_R8A779A0 is not set
CONFIG_SYSC_R8A779G0=y
# CONFIG_SYSC_RMOBILE is not set
# CONFIG_SYSC_R8A77470 is not set
# CONFIG_SYSC_R8A7745 is not set
CONFIG_SYSC_R8A7742=y
# CONFIG_SYSC_R8A7743 is not set
CONFIG_SYSC_R8A774C0=y
# CONFIG_SYSC_R8A774E1 is not set
CONFIG_SYSC_R8A774A1=y
CONFIG_SYSC_R8A774B1=y
# CONFIG_ROCKCHIP_GRF is not set
CONFIG_ROCKCHIP_IODOMAIN=y
# CONFIG_SOC_SAMSUNG is not set
CONFIG_SOC_TEGRA20_VOLTAGE_COUPLER=y
# CONFIG_SOC_TEGRA30_VOLTAGE_COUPLER is not set
# CONFIG_SOC_TI is not set
# CONFIG_UX500_SOC_ID is not set

#
# Xilinx SoC drivers
#
# end of Xilinx SoC drivers
# end of SOC (System On Chip) specific Drivers

CONFIG_PM_DEVFREQ=y

#
# DEVFREQ Governors
#
CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
CONFIG_DEVFREQ_GOV_PERFORMANCE=y
CONFIG_DEVFREQ_GOV_POWERSAVE=m
CONFIG_DEVFREQ_GOV_USERSPACE=y
CONFIG_DEVFREQ_GOV_PASSIVE=y

#
# DEVFREQ Drivers
#
# CONFIG_ARM_EXYNOS_BUS_DEVFREQ is not set
CONFIG_ARM_IMX_BUS_DEVFREQ=m
# CONFIG_ARM_TEGRA_DEVFREQ is not set
# CONFIG_ARM_SUN8I_A33_MBUS_DEVFREQ is not set
# CONFIG_PM_DEVFREQ_EVENT is not set
CONFIG_EXTCON=y

#
# Extcon Device Drivers
#
CONFIG_EXTCON_ADC_JACK=m
# CONFIG_EXTCON_FSA9480 is not set
# CONFIG_EXTCON_GPIO is not set
# CONFIG_EXTCON_MAX14577 is not set
# CONFIG_EXTCON_MAX3355 is not set
CONFIG_EXTCON_MAX77693=m
# CONFIG_EXTCON_MAX77843 is not set
# CONFIG_EXTCON_PTN5150 is not set
CONFIG_EXTCON_QCOM_SPMI_MISC=m
CONFIG_EXTCON_RT8973A=y
CONFIG_EXTCON_SM5502=y
CONFIG_EXTCON_USB_GPIO=m
CONFIG_EXTCON_USBC_TUSB320=y
CONFIG_MEMORY=y
CONFIG_DDR=y
CONFIG_ATMEL_SDRAMC=y
# CONFIG_ATMEL_EBI is not set
CONFIG_BRCMSTB_DPFE=y
CONFIG_BT1_L2_CTL=y
CONFIG_TI_AEMIF=y
CONFIG_TI_EMIF=m
CONFIG_OMAP_GPMC=m
# CONFIG_OMAP_GPMC_DEBUG is not set
CONFIG_FPGA_DFL_EMIF=m
CONFIG_MVEBU_DEVBUS=y
CONFIG_FSL_CORENET_CF=y
CONFIG_FSL_IFC=y
CONFIG_JZ4780_NEMC=y
# CONFIG_MTK_SMI is not set
# CONFIG_DA8XX_DDRCTL is not set
# CONFIG_RENESAS_RPCIF is not set
CONFIG_STM32_FMC2_EBI=m
CONFIG_SAMSUNG_MC=y
CONFIG_EXYNOS_SROM=y
# CONFIG_TEGRA_MC is not set
CONFIG_IIO=m
CONFIG_IIO_BUFFER=y
CONFIG_IIO_BUFFER_CB=m
CONFIG_IIO_BUFFER_DMA=m
CONFIG_IIO_BUFFER_DMAENGINE=m
CONFIG_IIO_BUFFER_HW_CONSUMER=m
CONFIG_IIO_KFIFO_BUF=m
CONFIG_IIO_TRIGGERED_BUFFER=m
CONFIG_IIO_CONFIGFS=m
CONFIG_IIO_TRIGGER=y
CONFIG_IIO_CONSUMERS_PER_TRIGGER=2
# CONFIG_IIO_SW_DEVICE is not set
# CONFIG_IIO_SW_TRIGGER is not set
# CONFIG_IIO_TRIGGERED_EVENT is not set

#
# Accelerometers
#
# CONFIG_ADIS16201 is not set
CONFIG_ADIS16209=m
CONFIG_ADXL313=m
CONFIG_ADXL313_I2C=m
# CONFIG_ADXL313_SPI is not set
# CONFIG_ADXL355_I2C is not set
# CONFIG_ADXL355_SPI is not set
CONFIG_ADXL367=m
# CONFIG_ADXL367_SPI is not set
CONFIG_ADXL367_I2C=m
CONFIG_ADXL372=m
CONFIG_ADXL372_SPI=m
CONFIG_ADXL372_I2C=m
# CONFIG_BMA220 is not set
CONFIG_BMA400=m
CONFIG_BMA400_I2C=m
CONFIG_BMA400_SPI=m
CONFIG_BMC150_ACCEL=m
CONFIG_BMC150_ACCEL_I2C=m
CONFIG_BMC150_ACCEL_SPI=m
CONFIG_BMI088_ACCEL=m
CONFIG_BMI088_ACCEL_SPI=m
CONFIG_DA280=m
CONFIG_DA311=m
CONFIG_DMARD06=m
CONFIG_DMARD09=m
CONFIG_DMARD10=m
CONFIG_FXLS8962AF=m
CONFIG_FXLS8962AF_I2C=m
# CONFIG_FXLS8962AF_SPI is not set
CONFIG_HID_SENSOR_ACCEL_3D=m
CONFIG_IIO_ST_ACCEL_3AXIS=m
# CONFIG_IIO_ST_ACCEL_I2C_3AXIS is not set
CONFIG_IIO_ST_ACCEL_SPI_3AXIS=m
CONFIG_KXSD9=m
# CONFIG_KXSD9_SPI is not set
CONFIG_KXSD9_I2C=m
CONFIG_KXCJK1013=m
CONFIG_MC3230=m
CONFIG_MMA7455=m
CONFIG_MMA7455_I2C=m
CONFIG_MMA7455_SPI=m
CONFIG_MMA7660=m
CONFIG_MMA8452=m
# CONFIG_MMA9551 is not set
# CONFIG_MMA9553 is not set
# CONFIG_MXC4005 is not set
CONFIG_MXC6255=m
# CONFIG_SCA3000 is not set
CONFIG_SCA3300=m
CONFIG_STK8312=m
# CONFIG_STK8BA50 is not set
# end of Accelerometers

#
# Analog to digital converters
#
CONFIG_AD_SIGMA_DELTA=m
CONFIG_AD7091R5=m
CONFIG_AD7124=m
CONFIG_AD7192=m
# CONFIG_AD7266 is not set
# CONFIG_AD7280 is not set
CONFIG_AD7291=m
CONFIG_AD7292=m
CONFIG_AD7298=m
CONFIG_AD7476=m
CONFIG_AD7606=m
CONFIG_AD7606_IFACE_PARALLEL=m
# CONFIG_AD7606_IFACE_SPI is not set
CONFIG_AD7766=m
CONFIG_AD7768_1=m
CONFIG_AD7780=m
CONFIG_AD7791=m
CONFIG_AD7793=m
# CONFIG_AD7887 is not set
CONFIG_AD7923=m
CONFIG_AD7949=m
CONFIG_AD799X=m
CONFIG_AD9467=m
CONFIG_ADI_AXI_ADC=m
# CONFIG_ASPEED_ADC is not set
CONFIG_AT91_ADC=m
# CONFIG_AT91_SAMA5D2_ADC is not set
CONFIG_AXP20X_ADC=m
CONFIG_AXP288_ADC=m
CONFIG_BCM_IPROC_ADC=m
CONFIG_BERLIN2_ADC=m
# CONFIG_CC10001_ADC is not set
CONFIG_CPCAP_ADC=m
# CONFIG_DA9150_GPADC is not set
CONFIG_ENVELOPE_DETECTOR=m
# CONFIG_EXYNOS_ADC is not set
# CONFIG_MXS_LRADC_ADC is not set
# CONFIG_HI8435 is not set
CONFIG_HX711=m
CONFIG_INGENIC_ADC=m
# CONFIG_IMX7D_ADC is not set
CONFIG_IMX8QXP_ADC=m
CONFIG_LPC18XX_ADC=m
CONFIG_LPC32XX_ADC=m
# CONFIG_LTC2471 is not set
CONFIG_LTC2485=m
# CONFIG_LTC2496 is not set
CONFIG_LTC2497=m
CONFIG_MAX1027=m
CONFIG_MAX11100=m
CONFIG_MAX1118=m
# CONFIG_MAX1241 is not set
CONFIG_MAX1363=m
# CONFIG_MAX9611 is not set
CONFIG_MCP320X=m
CONFIG_MCP3422=m
CONFIG_MCP3911=m
# CONFIG_MEDIATEK_MT6360_ADC is not set
CONFIG_MEDIATEK_MT6577_AUXADC=m
CONFIG_MEN_Z188_ADC=m
# CONFIG_MESON_SARADC is not set
CONFIG_MP2629_ADC=m
CONFIG_NAU7802=m
# CONFIG_NPCM_ADC is not set
CONFIG_QCOM_VADC_COMMON=m
CONFIG_QCOM_PM8XXX_XOADC=m
CONFIG_RCAR_GYRO_ADC=m
CONFIG_RN5T618_ADC=m
CONFIG_ROCKCHIP_SARADC=m
CONFIG_RZG2L_ADC=m
CONFIG_SC27XX_ADC=m
CONFIG_SPEAR_ADC=m
CONFIG_SD_ADC_MODULATOR=m
# CONFIG_STM32_ADC_CORE is not set
# CONFIG_STM32_DFSDM_CORE is not set
# CONFIG_STM32_DFSDM_ADC is not set
CONFIG_STMPE_ADC=m
CONFIG_TI_ADC081C=m
CONFIG_TI_ADC0832=m
# CONFIG_TI_ADC084S021 is not set
# CONFIG_TI_ADC12138 is not set
CONFIG_TI_ADC108S102=m
# CONFIG_TI_ADC128S052 is not set
CONFIG_TI_ADC161S626=m
CONFIG_TI_ADS1015=m
CONFIG_TI_ADS7950=m
# CONFIG_TI_ADS8344 is not set
CONFIG_TI_ADS8688=m
# CONFIG_TI_ADS124S08 is not set
CONFIG_TI_ADS131E08=m
# CONFIG_TI_AM335X_ADC is not set
CONFIG_TI_TLC4541=m
# CONFIG_TI_TSC2046 is not set
CONFIG_TWL4030_MADC=m
CONFIG_TWL6030_GPADC=m
CONFIG_VF610_ADC=m
CONFIG_VIPERBOARD_ADC=m
CONFIG_XILINX_XADC=m
# CONFIG_XILINX_AMS is not set
# end of Analog to digital converters

#
# Analog to digital and digital to analog converters
#
# CONFIG_AD74413R is not set
# end of Analog to digital and digital to analog converters

#
# Analog Front Ends
#
CONFIG_IIO_RESCALE=m
# end of Analog Front Ends

#
# Amplifiers
#
CONFIG_AD8366=m
CONFIG_ADA4250=m
CONFIG_HMC425=m
# end of Amplifiers

#
# Capacitance to digital converters
#
CONFIG_AD7150=m
# end of Capacitance to digital converters

#
# Chemical Sensors
#
CONFIG_ATLAS_PH_SENSOR=m
CONFIG_ATLAS_EZO_SENSOR=m
CONFIG_BME680=m
CONFIG_BME680_I2C=m
CONFIG_BME680_SPI=m
CONFIG_CCS811=m
CONFIG_IAQCORE=m
CONFIG_SCD30_CORE=m
# CONFIG_SCD30_I2C is not set
CONFIG_SCD4X=m
CONFIG_SENSIRION_SGP30=m
CONFIG_SENSIRION_SGP40=m
# CONFIG_SPS30_I2C is not set
CONFIG_SENSEAIR_SUNRISE_CO2=m
# CONFIG_VZ89X is not set
# end of Chemical Sensors

#
# Hid Sensor IIO Common
#
CONFIG_HID_SENSOR_IIO_COMMON=m
CONFIG_HID_SENSOR_IIO_TRIGGER=m
# end of Hid Sensor IIO Common

CONFIG_IIO_MS_SENSORS_I2C=m

#
# IIO SCMI Sensors
#
CONFIG_IIO_SCMI=m
# end of IIO SCMI Sensors

#
# SSP Sensor Common
#
CONFIG_IIO_SSP_SENSORS_COMMONS=m
CONFIG_IIO_SSP_SENSORHUB=m
# end of SSP Sensor Common

CONFIG_IIO_ST_SENSORS_I2C=m
CONFIG_IIO_ST_SENSORS_SPI=m
CONFIG_IIO_ST_SENSORS_CORE=m

#
# Digital to analog converters
#
CONFIG_AD3552R=m
# CONFIG_AD5064 is not set
CONFIG_AD5360=m
# CONFIG_AD5380 is not set
# CONFIG_AD5421 is not set
# CONFIG_AD5446 is not set
CONFIG_AD5449=m
CONFIG_AD5592R_BASE=m
# CONFIG_AD5592R is not set
CONFIG_AD5593R=m
CONFIG_AD5504=m
CONFIG_AD5624R_SPI=m
CONFIG_LTC2688=m
CONFIG_AD5686=m
CONFIG_AD5686_SPI=m
# CONFIG_AD5696_I2C is not set
CONFIG_AD5755=m
CONFIG_AD5758=m
# CONFIG_AD5761 is not set
# CONFIG_AD5764 is not set
# CONFIG_AD5766 is not set
CONFIG_AD5770R=m
# CONFIG_AD5791 is not set
CONFIG_AD7293=m
CONFIG_AD7303=m
# CONFIG_AD8801 is not set
CONFIG_DPOT_DAC=m
# CONFIG_DS4424 is not set
# CONFIG_LPC18XX_DAC is not set
CONFIG_LTC1660=m
# CONFIG_LTC2632 is not set
CONFIG_M62332=m
# CONFIG_MAX517 is not set
# CONFIG_MAX5821 is not set
CONFIG_MCP4725=m
# CONFIG_MCP4922 is not set
CONFIG_STM32_DAC=m
CONFIG_STM32_DAC_CORE=m
CONFIG_TI_DAC082S085=m
CONFIG_TI_DAC5571=m
CONFIG_TI_DAC7311=m
# CONFIG_TI_DAC7612 is not set
# CONFIG_VF610_DAC is not set
# end of Digital to analog converters

#
# IIO dummy driver
#
# end of IIO dummy driver

#
# Filters
#
# end of Filters

#
# Frequency Synthesizers DDS/PLL
#

#
# Clock Generator/Distribution
#
CONFIG_AD9523=m
# end of Clock Generator/Distribution

#
# Phase-Locked Loop (PLL) frequency synthesizers
#
CONFIG_ADF4350=m
CONFIG_ADF4371=m
CONFIG_ADMV1013=m
# CONFIG_ADMV4420 is not set
CONFIG_ADRF6780=m
# end of Phase-Locked Loop (PLL) frequency synthesizers
# end of Frequency Synthesizers DDS/PLL

#
# Digital gyroscope sensors
#
# CONFIG_ADIS16080 is not set
CONFIG_ADIS16130=m
# CONFIG_ADIS16136 is not set
CONFIG_ADIS16260=m
# CONFIG_ADXRS290 is not set
CONFIG_ADXRS450=m
CONFIG_BMG160=m
CONFIG_BMG160_I2C=m
CONFIG_BMG160_SPI=m
CONFIG_FXAS21002C=m
CONFIG_FXAS21002C_I2C=m
CONFIG_FXAS21002C_SPI=m
CONFIG_HID_SENSOR_GYRO_3D=m
CONFIG_MPU3050=m
CONFIG_MPU3050_I2C=m
CONFIG_IIO_ST_GYRO_3AXIS=m
CONFIG_IIO_ST_GYRO_I2C_3AXIS=m
CONFIG_IIO_ST_GYRO_SPI_3AXIS=m
CONFIG_ITG3200=m
# end of Digital gyroscope sensors

#
# Health Sensors
#

#
# Heart Rate Monitors
#
CONFIG_AFE4403=m
CONFIG_AFE4404=m
# CONFIG_MAX30100 is not set
# CONFIG_MAX30102 is not set
# end of Heart Rate Monitors
# end of Health Sensors

#
# Humidity sensors
#
CONFIG_AM2315=m
# CONFIG_DHT11 is not set
CONFIG_HDC100X=m
# CONFIG_HDC2010 is not set
CONFIG_HID_SENSOR_HUMIDITY=m
CONFIG_HTS221=m
CONFIG_HTS221_I2C=m
CONFIG_HTS221_SPI=m
CONFIG_HTU21=m
# CONFIG_SI7005 is not set
CONFIG_SI7020=m
# end of Humidity sensors

#
# Inertial measurement units
#
CONFIG_ADIS16400=m
# CONFIG_ADIS16460 is not set
CONFIG_ADIS16475=m
CONFIG_ADIS16480=m
CONFIG_BMI160=m
# CONFIG_BMI160_I2C is not set
CONFIG_BMI160_SPI=m
CONFIG_FXOS8700=m
CONFIG_FXOS8700_I2C=m
# CONFIG_FXOS8700_SPI is not set
# CONFIG_KMX61 is not set
CONFIG_INV_ICM42600=m
CONFIG_INV_ICM42600_I2C=m
CONFIG_INV_ICM42600_SPI=m
CONFIG_INV_MPU6050_IIO=m
# CONFIG_INV_MPU6050_I2C is not set
CONFIG_INV_MPU6050_SPI=m
CONFIG_IIO_ST_LSM6DSX=m
CONFIG_IIO_ST_LSM6DSX_I2C=m
CONFIG_IIO_ST_LSM6DSX_SPI=m
# CONFIG_IIO_ST_LSM9DS0 is not set
# end of Inertial measurement units

CONFIG_IIO_ADIS_LIB=m
CONFIG_IIO_ADIS_LIB_BUFFER=y

#
# Light sensors
#
CONFIG_ADJD_S311=m
# CONFIG_ADUX1020 is not set
CONFIG_AL3010=m
CONFIG_AL3320A=m
# CONFIG_APDS9300 is not set
# CONFIG_APDS9960 is not set
CONFIG_AS73211=m
CONFIG_BH1750=m
# CONFIG_BH1780 is not set
CONFIG_CM32181=m
CONFIG_CM3232=m
CONFIG_CM3323=m
CONFIG_CM3605=m
# CONFIG_CM36651 is not set
CONFIG_GP2AP002=m
CONFIG_GP2AP020A00F=m
# CONFIG_IQS621_ALS is not set
CONFIG_SENSORS_ISL29018=m
CONFIG_SENSORS_ISL29028=m
CONFIG_ISL29125=m
# CONFIG_HID_SENSOR_ALS is not set
# CONFIG_HID_SENSOR_PROX is not set
CONFIG_JSA1212=m
# CONFIG_RPR0521 is not set
CONFIG_SENSORS_LM3533=m
# CONFIG_LTR501 is not set
# CONFIG_LV0104CS is not set
# CONFIG_MAX44000 is not set
CONFIG_MAX44009=m
CONFIG_NOA1305=m
# CONFIG_OPT3001 is not set
CONFIG_PA12203001=m
# CONFIG_SI1133 is not set
# CONFIG_SI1145 is not set
CONFIG_STK3310=m
CONFIG_ST_UVIS25=m
CONFIG_ST_UVIS25_I2C=m
CONFIG_ST_UVIS25_SPI=m
CONFIG_TCS3414=m
CONFIG_TCS3472=m
CONFIG_SENSORS_TSL2563=m
CONFIG_TSL2583=m
# CONFIG_TSL2591 is not set
CONFIG_TSL2772=m
CONFIG_TSL4531=m
CONFIG_US5182D=m
CONFIG_VCNL4000=m
# CONFIG_VCNL4035 is not set
# CONFIG_VEML6030 is not set
# CONFIG_VEML6070 is not set
# CONFIG_VL6180 is not set
# CONFIG_ZOPT2201 is not set
# end of Light sensors

#
# Magnetometer sensors
#
CONFIG_AK8974=m
CONFIG_AK8975=m
CONFIG_AK09911=m
CONFIG_BMC150_MAGN=m
CONFIG_BMC150_MAGN_I2C=m
CONFIG_BMC150_MAGN_SPI=m
# CONFIG_MAG3110 is not set
# CONFIG_HID_SENSOR_MAGNETOMETER_3D is not set
CONFIG_MMC35240=m
# CONFIG_IIO_ST_MAGN_3AXIS is not set
CONFIG_SENSORS_HMC5843=m
# CONFIG_SENSORS_HMC5843_I2C is not set
CONFIG_SENSORS_HMC5843_SPI=m
CONFIG_SENSORS_RM3100=m
CONFIG_SENSORS_RM3100_I2C=m
CONFIG_SENSORS_RM3100_SPI=m
CONFIG_YAMAHA_YAS530=m
# end of Magnetometer sensors

#
# Multiplexers
#
CONFIG_IIO_MUX=m
# end of Multiplexers

#
# Inclinometer sensors
#
CONFIG_HID_SENSOR_INCLINOMETER_3D=m
CONFIG_HID_SENSOR_DEVICE_ROTATION=m
# end of Inclinometer sensors

#
# Triggers - standalone
#
CONFIG_IIO_INTERRUPT_TRIGGER=m
# CONFIG_IIO_STM32_LPTIMER_TRIGGER is not set
# CONFIG_IIO_STM32_TIMER_TRIGGER is not set
CONFIG_IIO_SYSFS_TRIGGER=m
# end of Triggers - standalone

#
# Linear and angular position sensors
#
CONFIG_IQS624_POS=m
CONFIG_HID_SENSOR_CUSTOM_INTEL_HINGE=m
# end of Linear and angular position sensors

#
# Digital potentiometers
#
CONFIG_AD5110=m
CONFIG_AD5272=m
# CONFIG_DS1803 is not set
CONFIG_MAX5432=m
CONFIG_MAX5481=m
CONFIG_MAX5487=m
# CONFIG_MCP4018 is not set
CONFIG_MCP4131=m
CONFIG_MCP4531=m
CONFIG_MCP41010=m
CONFIG_TPL0102=m
# end of Digital potentiometers

#
# Digital potentiostats
#
CONFIG_LMP91000=m
# end of Digital potentiostats

#
# Pressure sensors
#
CONFIG_ABP060MG=m
CONFIG_BMP280=m
CONFIG_BMP280_I2C=m
CONFIG_BMP280_SPI=m
CONFIG_DLHL60D=m
CONFIG_DPS310=m
CONFIG_HID_SENSOR_PRESS=m
CONFIG_HP03=m
CONFIG_ICP10100=m
# CONFIG_MPL115_I2C is not set
# CONFIG_MPL115_SPI is not set
# CONFIG_MPL3115 is not set
CONFIG_MS5611=m
# CONFIG_MS5611_I2C is not set
CONFIG_MS5611_SPI=m
CONFIG_MS5637=m
CONFIG_IIO_ST_PRESS=m
CONFIG_IIO_ST_PRESS_I2C=m
CONFIG_IIO_ST_PRESS_SPI=m
CONFIG_T5403=m
# CONFIG_HP206C is not set
CONFIG_ZPA2326=m
CONFIG_ZPA2326_I2C=m
CONFIG_ZPA2326_SPI=m
# end of Pressure sensors

#
# Lightning sensors
#
CONFIG_AS3935=m
# end of Lightning sensors

#
# Proximity and distance sensors
#
# CONFIG_ISL29501 is not set
# CONFIG_LIDAR_LITE_V2 is not set
CONFIG_MB1232=m
CONFIG_PING=m
CONFIG_RFD77402=m
# CONFIG_SRF04 is not set
CONFIG_SX_COMMON=m
CONFIG_SX9310=m
CONFIG_SX9324=m
# CONFIG_SX9360 is not set
CONFIG_SX9500=m
CONFIG_SRF08=m
CONFIG_VCNL3020=m
# CONFIG_VL53L0X_I2C is not set
# end of Proximity and distance sensors

#
# Resolver to digital converters
#
CONFIG_AD2S90=m
# CONFIG_AD2S1200 is not set
# end of Resolver to digital converters

#
# Temperature sensors
#
CONFIG_IQS620AT_TEMP=m
CONFIG_LTC2983=m
# CONFIG_MAXIM_THERMOCOUPLE is not set
# CONFIG_HID_SENSOR_TEMP is not set
CONFIG_MLX90614=m
# CONFIG_MLX90632 is not set
CONFIG_TMP006=m
CONFIG_TMP007=m
# CONFIG_TMP117 is not set
CONFIG_TSYS01=m
CONFIG_TSYS02D=m
# CONFIG_MAX31856 is not set
# CONFIG_MAX31865 is not set
# end of Temperature sensors

CONFIG_NTB=m
CONFIG_NTB_MSI=y
CONFIG_NTB_IDT=m
CONFIG_NTB_EPF=m
CONFIG_NTB_SWITCHTEC=m
# CONFIG_NTB_PINGPONG is not set
CONFIG_NTB_TOOL=m
CONFIG_NTB_PERF=m
# CONFIG_NTB_MSI_TEST is not set
CONFIG_NTB_TRANSPORT=m
CONFIG_VME_BUS=y

#
# VME Bridge Drivers
#
CONFIG_VME_TSI148=m
CONFIG_VME_FAKE=y

#
# VME Board Drivers
#
# CONFIG_VMIVME_7805 is not set
CONFIG_PWM=y
CONFIG_PWM_SYSFS=y
# CONFIG_PWM_DEBUG is not set
CONFIG_PWM_ATMEL=y
# CONFIG_PWM_ATMEL_HLCDC_PWM is not set
CONFIG_PWM_ATMEL_TCB=m
CONFIG_PWM_BCM_IPROC=y
CONFIG_PWM_BCM_KONA=m
CONFIG_PWM_BCM2835=y
# CONFIG_PWM_BERLIN is not set
CONFIG_PWM_BRCMSTB=m
CONFIG_PWM_CLPS711X=m
# CONFIG_PWM_DWC is not set
# CONFIG_PWM_EP93XX is not set
CONFIG_PWM_FSL_FTM=m
CONFIG_PWM_HIBVT=m
CONFIG_PWM_IMG=y
# CONFIG_PWM_IMX1 is not set
CONFIG_PWM_IMX27=m
CONFIG_PWM_IMX_TPM=y
CONFIG_PWM_INTEL_LGM=y
# CONFIG_PWM_IQS620A is not set
CONFIG_PWM_JZ4740=m
CONFIG_PWM_KEEMBAY=y
CONFIG_PWM_LP3943=m
CONFIG_PWM_LPC18XX_SCT=m
CONFIG_PWM_LPC32XX=y
CONFIG_PWM_LPSS=m
CONFIG_PWM_LPSS_PCI=m
# CONFIG_PWM_LPSS_PLATFORM is not set
# CONFIG_PWM_MESON is not set
CONFIG_PWM_MTK_DISP=y
CONFIG_PWM_MEDIATEK=y
# CONFIG_PWM_MXS is not set
# CONFIG_PWM_OMAP_DMTIMER is not set
CONFIG_PWM_PCA9685=y
CONFIG_PWM_PXA=y
# CONFIG_PWM_RASPBERRYPI_POE is not set
# CONFIG_PWM_RCAR is not set
# CONFIG_PWM_RENESAS_TPU is not set
# CONFIG_PWM_ROCKCHIP is not set
CONFIG_PWM_SAMSUNG=y
CONFIG_PWM_SIFIVE=y
CONFIG_PWM_SL28CPLD=y
CONFIG_PWM_SPEAR=m
CONFIG_PWM_SPRD=m
# CONFIG_PWM_STI is not set
CONFIG_PWM_STM32=m
CONFIG_PWM_STM32_LP=y
# CONFIG_PWM_STMPE is not set
CONFIG_PWM_SUN4I=y
# CONFIG_PWM_SUNPLUS is not set
CONFIG_PWM_TEGRA=y
CONFIG_PWM_TIECAP=m
# CONFIG_PWM_TIEHRPWM is not set
# CONFIG_PWM_TWL is not set
CONFIG_PWM_TWL_LED=y
# CONFIG_PWM_VISCONTI is not set
CONFIG_PWM_VT8500=m
# CONFIG_PWM_XILINX is not set

#
# IRQ chip support
#
CONFIG_IRQCHIP=y
CONFIG_AL_FIC=y
CONFIG_JCORE_AIC=y
CONFIG_RENESAS_INTC_IRQPIN=y
# CONFIG_RENESAS_IRQC is not set
CONFIG_RENESAS_RZA1_IRQC=y
CONFIG_SL28CPLD_INTC=y
CONFIG_TS4800_IRQ=y
# CONFIG_XILINX_INTC is not set
# CONFIG_INGENIC_TCU_IRQ is not set
CONFIG_IRQ_UNIPHIER_AIDET=y
CONFIG_MESON_IRQ_GPIO=m
CONFIG_IMX_IRQSTEER=y
# CONFIG_IMX_INTMUX is not set
CONFIG_RISCV_INTC=y
CONFIG_SIFIVE_PLIC=y
# CONFIG_EXYNOS_IRQ_COMBINER is not set
CONFIG_LOONGSON_PCH_PIC=y
CONFIG_LOONGSON_PCH_MSI=y
CONFIG_MST_IRQ=y
# CONFIG_MCHP_EIC is not set
# end of IRQ chip support

CONFIG_IPACK_BUS=m
# CONFIG_BOARD_TPCI200 is not set
CONFIG_RESET_CONTROLLER=y
# CONFIG_RESET_ATH79 is not set
# CONFIG_RESET_AXS10X is not set
CONFIG_RESET_BCM6345=y
CONFIG_RESET_BERLIN=y
# CONFIG_RESET_BRCMSTB is not set
CONFIG_RESET_BRCMSTB_RESCAL=m
CONFIG_RESET_HSDK=y
# CONFIG_RESET_IMX7 is not set
# CONFIG_RESET_INTEL_GW is not set
# CONFIG_RESET_K210 is not set
# CONFIG_RESET_LANTIQ is not set
CONFIG_RESET_LPC18XX=y
CONFIG_RESET_MCHP_SPARX5=y
CONFIG_RESET_MESON=y
# CONFIG_RESET_MESON_AUDIO_ARB is not set
# CONFIG_RESET_NPCM is not set
CONFIG_RESET_PISTACHIO=y
# CONFIG_RESET_QCOM_AOSS is not set
# CONFIG_RESET_QCOM_PDC is not set
# CONFIG_RESET_RASPBERRYPI is not set
CONFIG_RESET_RZG2L_USBPHY_CTRL=m
CONFIG_RESET_SCMI=m
CONFIG_RESET_SIMPLE=y
CONFIG_RESET_SOCFPGA=y
# CONFIG_RESET_STARFIVE_JH7100 is not set
# CONFIG_RESET_SUNXI is not set
CONFIG_RESET_TI_SCI=y
CONFIG_RESET_TI_SYSCON=y
CONFIG_RESET_TN48M_CPLD=y
CONFIG_RESET_UNIPHIER=y
CONFIG_RESET_UNIPHIER_GLUE=y
CONFIG_RESET_ZYNQ=y
CONFIG_COMMON_RESET_HI3660=m
CONFIG_COMMON_RESET_HI6220=m

#
# PHY Subsystem
#
CONFIG_GENERIC_PHY=y
CONFIG_GENERIC_PHY_MIPI_DPHY=y
# CONFIG_PHY_LPC18XX_USB_OTG is not set
CONFIG_PHY_PISTACHIO_USB=y
CONFIG_PHY_XGENE=y
CONFIG_USB_LGM_PHY=y
# CONFIG_PHY_CAN_TRANSCEIVER is not set
CONFIG_PHY_SUN4I_USB=y
# CONFIG_PHY_SUN6I_MIPI_DPHY is not set
# CONFIG_PHY_SUN9I_USB is not set
# CONFIG_PHY_SUN50I_USB3 is not set
CONFIG_PHY_MESON8_HDMI_TX=y
CONFIG_PHY_MESON8B_USB2=y
# CONFIG_PHY_MESON_GXL_USB2 is not set
CONFIG_PHY_MESON_G12A_USB2=y
CONFIG_PHY_MESON_G12A_USB3_PCIE=y
CONFIG_PHY_MESON_AXG_PCIE=m
# CONFIG_PHY_MESON_AXG_MIPI_PCIE_ANALOG is not set
CONFIG_PHY_MESON_AXG_MIPI_DPHY=y

#
# PHY drivers for Broadcom platforms
#
CONFIG_PHY_BCM63XX_USBH=y
CONFIG_PHY_CYGNUS_PCIE=y
CONFIG_PHY_BCM_SR_USB=m
# CONFIG_BCM_KONA_USB2_PHY is not set
CONFIG_PHY_BCM_NS_USB2=m
# CONFIG_PHY_NS2_USB_DRD is not set
CONFIG_PHY_BRCM_SATA=m
# CONFIG_PHY_BRCM_USB is not set
# CONFIG_PHY_BCM_SR_PCIE is not set
# end of PHY drivers for Broadcom platforms

CONFIG_PHY_CADENCE_TORRENT=m
CONFIG_PHY_CADENCE_DPHY=y
CONFIG_PHY_CADENCE_DPHY_RX=y
CONFIG_PHY_CADENCE_SIERRA=y
CONFIG_PHY_CADENCE_SALVO=y
# CONFIG_PHY_FSL_IMX8MQ_USB is not set
CONFIG_PHY_MIXEL_MIPI_DPHY=y
# CONFIG_PHY_FSL_IMX8M_PCIE is not set
# CONFIG_PHY_FSL_LYNX_28G is not set
CONFIG_PHY_HI6220_USB=m
CONFIG_PHY_HI3660_USB=y
# CONFIG_PHY_HI3670_USB is not set
CONFIG_PHY_HI3670_PCIE=y
# CONFIG_PHY_HISTB_COMBPHY is not set
CONFIG_PHY_HISI_INNO_USB2=y
CONFIG_PHY_INGENIC_USB=m
# CONFIG_PHY_LANTIQ_VRX200_PCIE is not set
# CONFIG_PHY_LANTIQ_RCU_USB2 is not set
# CONFIG_ARMADA375_USBCLUSTER_PHY is not set
# CONFIG_PHY_BERLIN_SATA is not set
# CONFIG_PHY_BERLIN_USB is not set
# CONFIG_PHY_MVEBU_A3700_UTMI is not set
# CONFIG_PHY_MVEBU_A38X_COMPHY is not set
CONFIG_PHY_MVEBU_CP110_UTMI=y
# CONFIG_PHY_PXA_28NM_HSIC is not set
CONFIG_PHY_PXA_28NM_USB2=m
CONFIG_PHY_PXA_USB=m
CONFIG_PHY_MMP3_USB=m
CONFIG_PHY_MMP3_HSIC=m
CONFIG_PHY_MTK_TPHY=m
# CONFIG_PHY_MTK_UFS is not set
CONFIG_PHY_MTK_XSPHY=m
CONFIG_PHY_MTK_HDMI=y
# CONFIG_PHY_MTK_MIPI_DSI is not set
CONFIG_PHY_SPARX5_SERDES=y
CONFIG_PHY_LAN966X_SERDES=m
CONFIG_PHY_CPCAP_USB=m
CONFIG_PHY_MAPPHONE_MDM6600=m
# CONFIG_PHY_OCELOT_SERDES is not set
CONFIG_PHY_ATH79_USB=m
# CONFIG_PHY_QCOM_EDP is not set
CONFIG_PHY_QCOM_IPQ4019_USB=m
CONFIG_PHY_QCOM_PCIE2=m
# CONFIG_PHY_QCOM_QMP is not set
CONFIG_PHY_QCOM_QUSB2=m
# CONFIG_PHY_QCOM_USB_HS is not set
CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2=y
CONFIG_PHY_QCOM_USB_HSIC=y
CONFIG_PHY_QCOM_USB_HS_28NM=y
CONFIG_PHY_QCOM_USB_SS=y
# CONFIG_PHY_QCOM_IPQ806X_USB is not set
CONFIG_PHY_MT7621_PCI=y
CONFIG_PHY_RALINK_USB=m
# CONFIG_PHY_RCAR_GEN3_USB3 is not set
CONFIG_PHY_ROCKCHIP_DPHY_RX0=y
# CONFIG_PHY_ROCKCHIP_INNO_HDMI is not set
CONFIG_PHY_ROCKCHIP_INNO_USB2=m
# CONFIG_PHY_ROCKCHIP_INNO_CSIDPHY is not set
CONFIG_PHY_ROCKCHIP_INNO_DSIDPHY=m
CONFIG_PHY_ROCKCHIP_PCIE=m
CONFIG_PHY_ROCKCHIP_TYPEC=y
CONFIG_PHY_EXYNOS_DP_VIDEO=y
CONFIG_PHY_EXYNOS_MIPI_VIDEO=m
# CONFIG_PHY_EXYNOS_PCIE is not set
CONFIG_PHY_SAMSUNG_UFS=m
CONFIG_PHY_SAMSUNG_USB2=m
CONFIG_PHY_S5PV210_USB2=y
# CONFIG_PHY_UNIPHIER_USB2 is not set
CONFIG_PHY_UNIPHIER_USB3=y
CONFIG_PHY_UNIPHIER_PCIE=y
CONFIG_PHY_UNIPHIER_AHCI=m
CONFIG_PHY_ST_SPEAR1310_MIPHY=m
CONFIG_PHY_ST_SPEAR1340_MIPHY=m
CONFIG_PHY_STIH407_USB=y
# CONFIG_PHY_STM32_USBPHYC is not set
CONFIG_PHY_TEGRA194_P2U=m
# CONFIG_PHY_DA8XX_USB is not set
CONFIG_PHY_DM816X_USB=y
# CONFIG_PHY_AM654_SERDES is not set
CONFIG_PHY_J721E_WIZ=m
CONFIG_OMAP_CONTROL_PHY=y
CONFIG_TI_PIPE3=m
# CONFIG_PHY_TUSB1210 is not set
CONFIG_PHY_INTEL_KEEMBAY_EMMC=y
# CONFIG_PHY_INTEL_KEEMBAY_USB is not set
CONFIG_PHY_INTEL_LGM_COMBO=y
# CONFIG_PHY_INTEL_LGM_EMMC is not set
# CONFIG_PHY_INTEL_THUNDERBAY_EMMC is not set
CONFIG_PHY_XILINX_ZYNQMP=m
# end of PHY Subsystem

# CONFIG_POWERCAP is not set
CONFIG_MCB=y
CONFIG_MCB_PCI=m
CONFIG_MCB_LPC=y
# CONFIG_RAS is not set
CONFIG_USB4=y
# CONFIG_USB4_DEBUGFS_WRITE is not set
CONFIG_USB4_DMA_TEST=y

#
# Android
#
# CONFIG_ANDROID is not set
# end of Android

# CONFIG_DAX is not set
CONFIG_NVMEM=y
CONFIG_NVMEM_SYSFS=y
# CONFIG_NVMEM_IMX_IIM is not set
CONFIG_NVMEM_IMX_OCOTP=y
# CONFIG_JZ4780_EFUSE is not set
# CONFIG_NVMEM_LPC18XX_EEPROM is not set
CONFIG_NVMEM_LPC18XX_OTP=y
CONFIG_NVMEM_MXS_OCOTP=y
# CONFIG_MTK_EFUSE is not set
CONFIG_NVMEM_NINTENDO_OTP=y
CONFIG_QCOM_QFPROM=y
# CONFIG_ROCKCHIP_EFUSE is not set
# CONFIG_ROCKCHIP_OTP is not set
CONFIG_NVMEM_BCM_OCOTP=y
# CONFIG_NVMEM_STM32_ROMEM is not set
# CONFIG_UNIPHIER_EFUSE is not set
# CONFIG_NVMEM_VF610_OCOTP is not set
CONFIG_MESON_MX_EFUSE=y
CONFIG_NVMEM_SNVS_LPGPR=y
CONFIG_SC27XX_EFUSE=y
CONFIG_SPRD_EFUSE=m
CONFIG_NVMEM_RMEM=m
CONFIG_NVMEM_BRCM_NVRAM=y
CONFIG_NVMEM_LAYERSCAPE_SFP=m
CONFIG_NVMEM_SUNPLUS_OCOTP=m
# CONFIG_NVMEM_APPLE_EFUSES is not set

#
# HW tracing support
#
CONFIG_STM=y
CONFIG_STM_PROTO_BASIC=m
CONFIG_STM_PROTO_SYS_T=m
CONFIG_STM_DUMMY=m
# CONFIG_STM_SOURCE_CONSOLE is not set
# CONFIG_STM_SOURCE_HEARTBEAT is not set
# CONFIG_STM_SOURCE_FTRACE is not set
# CONFIG_INTEL_TH is not set
# end of HW tracing support

CONFIG_FPGA=y
CONFIG_FPGA_MGR_SOCFPGA=m
CONFIG_FPGA_MGR_SOCFPGA_A10=m
# CONFIG_ALTERA_PR_IP_CORE is not set
CONFIG_FPGA_MGR_ALTERA_PS_SPI=m
CONFIG_FPGA_MGR_ALTERA_CVP=y
CONFIG_FPGA_MGR_ZYNQ_FPGA=m
# CONFIG_FPGA_MGR_XILINX_SPI is not set
CONFIG_FPGA_MGR_ICE40_SPI=m
CONFIG_FPGA_MGR_MACHXO2_SPI=y
CONFIG_FPGA_BRIDGE=m
CONFIG_ALTERA_FREEZE_BRIDGE=m
CONFIG_XILINX_PR_DECOUPLER=m
CONFIG_FPGA_REGION=m
CONFIG_OF_FPGA_REGION=m
CONFIG_FPGA_DFL=m
CONFIG_FPGA_DFL_AFU=m
CONFIG_FPGA_DFL_NIOS_INTEL_PAC_N3000=m
# CONFIG_FPGA_DFL_PCI is not set
CONFIG_FPGA_MGR_ZYNQMP_FPGA=y
# CONFIG_FPGA_MGR_VERSAL_FPGA is not set
CONFIG_FSI=m
CONFIG_FSI_NEW_DEV_NODE=y
CONFIG_FSI_MASTER_GPIO=m
CONFIG_FSI_MASTER_HUB=m
CONFIG_FSI_MASTER_AST_CF=m
CONFIG_FSI_MASTER_ASPEED=m
CONFIG_FSI_SCOM=m
CONFIG_FSI_SBEFIFO=m
# CONFIG_FSI_OCC is not set
CONFIG_TEE=m
CONFIG_MULTIPLEXER=m

#
# Multiplexer drivers
#
CONFIG_MUX_ADG792A=m
CONFIG_MUX_ADGS1408=m
CONFIG_MUX_GPIO=m
CONFIG_MUX_MMIO=m
# end of Multiplexer drivers

CONFIG_PM_OPP=y
CONFIG_SIOX=y
# CONFIG_SIOX_BUS_GPIO is not set
CONFIG_SLIMBUS=m
CONFIG_SLIM_QCOM_CTRL=m
CONFIG_INTERCONNECT=y
# CONFIG_INTERCONNECT_IMX is not set
# CONFIG_INTERCONNECT_QCOM_OSM_L3 is not set
CONFIG_INTERCONNECT_SAMSUNG=y
# CONFIG_INTERCONNECT_EXYNOS is not set
CONFIG_COUNTER=m
CONFIG_104_QUAD_8=m
# CONFIG_INTERRUPT_CNT is not set
# CONFIG_STM32_TIMER_CNT is not set
CONFIG_STM32_LPTIMER_CNT=m
CONFIG_TI_EQEP=m
CONFIG_FTM_QUADDEC=m
# CONFIG_MICROCHIP_TCB_CAPTURE is not set
CONFIG_INTEL_QEP=m
# CONFIG_MOST is not set
# CONFIG_PECI is not set
# CONFIG_HTE is not set
# end of Device Drivers

#
# File systems
#
CONFIG_VALIDATE_FS_PARSER=y
CONFIG_FS_IOMAP=y
# CONFIG_EXT2_FS is not set
# CONFIG_EXT3_FS is not set
CONFIG_EXT4_FS=y
CONFIG_EXT4_USE_FOR_EXT2=y
CONFIG_EXT4_FS_POSIX_ACL=y
# CONFIG_EXT4_FS_SECURITY is not set
# CONFIG_EXT4_DEBUG is not set
CONFIG_JBD2=y
CONFIG_JBD2_DEBUG=y
CONFIG_FS_MBCACHE=y
CONFIG_REISERFS_FS=m
CONFIG_REISERFS_CHECK=y
# CONFIG_REISERFS_PROC_INFO is not set
CONFIG_REISERFS_FS_XATTR=y
# CONFIG_REISERFS_FS_POSIX_ACL is not set
# CONFIG_REISERFS_FS_SECURITY is not set
CONFIG_JFS_FS=y
CONFIG_JFS_POSIX_ACL=y
# CONFIG_JFS_SECURITY is not set
CONFIG_JFS_DEBUG=y
CONFIG_JFS_STATISTICS=y
CONFIG_XFS_FS=y
# CONFIG_XFS_SUPPORT_V4 is not set
CONFIG_XFS_QUOTA=y
# CONFIG_XFS_POSIX_ACL is not set
CONFIG_XFS_RT=y
# CONFIG_XFS_ONLINE_SCRUB is not set
CONFIG_XFS_DEBUG=y
# CONFIG_XFS_ASSERT_FATAL is not set
CONFIG_GFS2_FS=y
CONFIG_BTRFS_FS=m
# CONFIG_BTRFS_FS_POSIX_ACL is not set
CONFIG_BTRFS_FS_CHECK_INTEGRITY=y
# CONFIG_BTRFS_FS_RUN_SANITY_TESTS is not set
CONFIG_BTRFS_DEBUG=y
# CONFIG_BTRFS_ASSERT is not set
# CONFIG_BTRFS_FS_REF_VERIFY is not set
CONFIG_NILFS2_FS=y
CONFIG_F2FS_FS=m
# CONFIG_F2FS_STAT_FS is not set
CONFIG_F2FS_FS_XATTR=y
# CONFIG_F2FS_FS_POSIX_ACL is not set
# CONFIG_F2FS_FS_SECURITY is not set
# CONFIG_F2FS_CHECK_FS is not set
# CONFIG_F2FS_FAULT_INJECTION is not set
# CONFIG_F2FS_FS_COMPRESSION is not set
CONFIG_F2FS_IOSTAT=y
CONFIG_FS_POSIX_ACL=y
CONFIG_EXPORTFS=y
CONFIG_EXPORTFS_BLOCK_OPS=y
CONFIG_FILE_LOCKING=y
CONFIG_FS_ENCRYPTION=y
CONFIG_FS_ENCRYPTION_ALGS=y
CONFIG_FS_VERITY=y
CONFIG_FS_VERITY_DEBUG=y
# CONFIG_FS_VERITY_BUILTIN_SIGNATURES is not set
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_FANOTIFY is not set
# CONFIG_QUOTA is not set
CONFIG_QUOTACTL=y
CONFIG_AUTOFS4_FS=y
CONFIG_AUTOFS_FS=y
CONFIG_FUSE_FS=m
CONFIG_CUSE=m
CONFIG_VIRTIO_FS=m
CONFIG_OVERLAY_FS=y
CONFIG_OVERLAY_FS_REDIRECT_DIR=y
CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW=y
CONFIG_OVERLAY_FS_INDEX=y
# CONFIG_OVERLAY_FS_NFS_EXPORT is not set
# CONFIG_OVERLAY_FS_METACOPY is not set

#
# Caches
#
# CONFIG_FSCACHE is not set
# end of Caches

#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
# CONFIG_UDF_FS is not set
# end of CD-ROM/DVD Filesystems

#
# DOS/FAT/EXFAT/NT Filesystems
#
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_FAT_DEFAULT_UTF8 is not set
CONFIG_EXFAT_FS=m
CONFIG_EXFAT_DEFAULT_IOCHARSET="utf8"
# CONFIG_NTFS_FS is not set
CONFIG_NTFS3_FS=m
# CONFIG_NTFS3_LZX_XPRESS is not set
CONFIG_NTFS3_FS_POSIX_ACL=y
# end of DOS/FAT/EXFAT/NT Filesystems

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
# CONFIG_PROC_KCORE is not set
# CONFIG_PROC_VMCORE is not set
CONFIG_PROC_SYSCTL=y
# CONFIG_PROC_PAGE_MONITOR is not set
CONFIG_PROC_CHILDREN=y
CONFIG_KERNFS=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
CONFIG_TMPFS_XATTR=y
CONFIG_ARCH_SUPPORTS_HUGETLBFS=y
# CONFIG_HUGETLBFS is not set
CONFIG_MEMFD_CREATE=y
CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
CONFIG_CONFIGFS_FS=y
CONFIG_EFIVAR_FS=m
# end of Pseudo filesystems

# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_737=y
CONFIG_NLS_CODEPAGE_775=m
# CONFIG_NLS_CODEPAGE_850 is not set
CONFIG_NLS_CODEPAGE_852=m
CONFIG_NLS_CODEPAGE_855=m
CONFIG_NLS_CODEPAGE_857=m
CONFIG_NLS_CODEPAGE_860=m
CONFIG_NLS_CODEPAGE_861=m
CONFIG_NLS_CODEPAGE_862=y
CONFIG_NLS_CODEPAGE_863=y
# CONFIG_NLS_CODEPAGE_864 is not set
CONFIG_NLS_CODEPAGE_865=y
CONFIG_NLS_CODEPAGE_866=y
CONFIG_NLS_CODEPAGE_869=y
CONFIG_NLS_CODEPAGE_936=y
CONFIG_NLS_CODEPAGE_950=y
CONFIG_NLS_CODEPAGE_932=y
CONFIG_NLS_CODEPAGE_949=y
# CONFIG_NLS_CODEPAGE_874 is not set
CONFIG_NLS_ISO8859_8=y
CONFIG_NLS_CODEPAGE_1250=m
# CONFIG_NLS_CODEPAGE_1251 is not set
CONFIG_NLS_ASCII=m
# CONFIG_NLS_ISO8859_1 is not set
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
CONFIG_NLS_ISO8859_4=y
CONFIG_NLS_ISO8859_5=m
# CONFIG_NLS_ISO8859_6 is not set
CONFIG_NLS_ISO8859_7=y
CONFIG_NLS_ISO8859_9=y
CONFIG_NLS_ISO8859_13=y
# CONFIG_NLS_ISO8859_14 is not set
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=y
CONFIG_NLS_MAC_ROMAN=y
CONFIG_NLS_MAC_CELTIC=y
CONFIG_NLS_MAC_CENTEURO=m
# CONFIG_NLS_MAC_CROATIAN is not set
# CONFIG_NLS_MAC_CYRILLIC is not set
CONFIG_NLS_MAC_GAELIC=y
# CONFIG_NLS_MAC_GREEK is not set
# CONFIG_NLS_MAC_ICELAND is not set
CONFIG_NLS_MAC_INUIT=y
# CONFIG_NLS_MAC_ROMANIAN is not set
CONFIG_NLS_MAC_TURKISH=m
CONFIG_NLS_UTF8=y
CONFIG_UNICODE=m
# CONFIG_UNICODE_NORMALIZATION_SELFTEST is not set
# end of File systems

#
# Security options
#
CONFIG_KEYS=y
# CONFIG_KEYS_REQUEST_CACHE is not set
# CONFIG_PERSISTENT_KEYRINGS is not set
CONFIG_TRUSTED_KEYS=m
# CONFIG_TRUSTED_KEYS_TPM is not set
CONFIG_TRUSTED_KEYS_TEE=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_USER_DECRYPTED_DATA=y
# CONFIG_KEY_DH_OPERATIONS is not set
CONFIG_SECURITY_DMESG_RESTRICT=y
CONFIG_SECURITYFS=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_STATIC_USERMODEHELPER=y
CONFIG_STATIC_USERMODEHELPER_PATH="/sbin/usermode-helper"
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_LSM="landlock,lockdown,yama,loadpin,safesetid,integrity,bpf"

#
# Kernel hardening options
#

#
# Memory initialization
#
CONFIG_CC_HAS_AUTO_VAR_INIT_PATTERN=y
CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO=y
CONFIG_INIT_STACK_NONE=y
# CONFIG_INIT_STACK_ALL_PATTERN is not set
# CONFIG_INIT_STACK_ALL_ZERO is not set
CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
# CONFIG_INIT_ON_FREE_DEFAULT_ON is not set
# end of Memory initialization

CONFIG_CC_HAS_RANDSTRUCT=y
CONFIG_RANDSTRUCT_NONE=y
# CONFIG_RANDSTRUCT_FULL is not set
# end of Kernel hardening options
# end of Security options

CONFIG_XOR_BLOCKS=y
CONFIG_ASYNC_TX_DISABLE_PQ_VAL_DMA=y
CONFIG_ASYNC_TX_DISABLE_XOR_VAL_DMA=y
CONFIG_CRYPTO=y

#
# Crypto core or helper
#
# CONFIG_CRYPTO_FIPS is not set
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_SKCIPHER=y
CONFIG_CRYPTO_SKCIPHER2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_RNG_DEFAULT=y
CONFIG_CRYPTO_AKCIPHER2=y
CONFIG_CRYPTO_AKCIPHER=y
CONFIG_CRYPTO_KPP2=y
CONFIG_CRYPTO_KPP=m
CONFIG_CRYPTO_ACOMP2=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
# CONFIG_CRYPTO_MANAGER_EXTRA_TESTS is not set
CONFIG_CRYPTO_GF128MUL=m
CONFIG_CRYPTO_NULL=y
CONFIG_CRYPTO_NULL2=y
# CONFIG_CRYPTO_PCRYPT is not set
# CONFIG_CRYPTO_CRYPTD is not set
CONFIG_CRYPTO_AUTHENC=y
CONFIG_CRYPTO_TEST=y

#
# Public-key cryptography
#
CONFIG_CRYPTO_RSA=y
# CONFIG_CRYPTO_DH is not set
CONFIG_CRYPTO_ECC=y
CONFIG_CRYPTO_ECDH=m
CONFIG_CRYPTO_ECDSA=y
CONFIG_CRYPTO_ECRDSA=y
CONFIG_CRYPTO_SM2=y
# CONFIG_CRYPTO_CURVE25519 is not set

#
# Authenticated Encryption with Associated Data
#
CONFIG_CRYPTO_CCM=y
# CONFIG_CRYPTO_GCM is not set
CONFIG_CRYPTO_CHACHA20POLY1305=y
CONFIG_CRYPTO_AEGIS128=m
CONFIG_CRYPTO_SEQIV=m
# CONFIG_CRYPTO_ECHAINIV is not set

#
# Block modes
#
CONFIG_CRYPTO_CBC=m
CONFIG_CRYPTO_CFB=y
CONFIG_CRYPTO_CTR=y
CONFIG_CRYPTO_CTS=y
CONFIG_CRYPTO_ECB=y
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_OFB=m
# CONFIG_CRYPTO_PCBC is not set
# CONFIG_CRYPTO_XTS is not set
CONFIG_CRYPTO_KEYWRAP=y
CONFIG_CRYPTO_NHPOLY1305=y
CONFIG_CRYPTO_ADIANTUM=y
# CONFIG_CRYPTO_ESSIV is not set

#
# Hash modes
#
# CONFIG_CRYPTO_CMAC is not set
CONFIG_CRYPTO_HMAC=y
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_VMAC is not set

#
# Digest
#
CONFIG_CRYPTO_CRC32C=y
CONFIG_CRYPTO_CRC32=m
CONFIG_CRYPTO_XXHASH=m
CONFIG_CRYPTO_BLAKE2B=y
CONFIG_CRYPTO_BLAKE2S=y
CONFIG_CRYPTO_CRCT10DIF=y
CONFIG_CRYPTO_CRC64_ROCKSOFT=y
# CONFIG_CRYPTO_GHASH is not set
CONFIG_CRYPTO_POLY1305=y
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_RMD160 is not set
CONFIG_CRYPTO_SHA1=y
CONFIG_CRYPTO_SHA256=y
CONFIG_CRYPTO_SHA512=y
CONFIG_CRYPTO_SHA3=y
CONFIG_CRYPTO_SM3=y
CONFIG_CRYPTO_SM3_GENERIC=y
CONFIG_CRYPTO_STREEBOG=y
CONFIG_CRYPTO_WP512=y

#
# Ciphers
#
CONFIG_CRYPTO_AES=y
# CONFIG_CRYPTO_AES_TI is not set
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_BLOWFISH_COMMON=m
# CONFIG_CRYPTO_CAMELLIA is not set
CONFIG_CRYPTO_CAST_COMMON=m
# CONFIG_CRYPTO_CAST5 is not set
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_DES=y
CONFIG_CRYPTO_FCRYPT=y
CONFIG_CRYPTO_CHACHA20=y
CONFIG_CRYPTO_SERPENT=y
CONFIG_CRYPTO_SM4=m
CONFIG_CRYPTO_SM4_GENERIC=m
# CONFIG_CRYPTO_TWOFISH is not set

#
# Compression
#
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=m
CONFIG_CRYPTO_842=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_ZSTD=m

#
# Random Number Generation
#
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_DRBG_MENU=y
CONFIG_CRYPTO_DRBG_HMAC=y
# CONFIG_CRYPTO_DRBG_HASH is not set
CONFIG_CRYPTO_DRBG_CTR=y
CONFIG_CRYPTO_DRBG=y
CONFIG_CRYPTO_JITTERENTROPY=y
CONFIG_CRYPTO_HASH_INFO=y
# CONFIG_CRYPTO_HW is not set
CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
CONFIG_X509_CERTIFICATE_PARSER=y
# CONFIG_PKCS8_PRIVATE_KEY_PARSER is not set
CONFIG_PKCS7_MESSAGE_PARSER=y
CONFIG_PKCS7_TEST_KEY=y
# CONFIG_SIGNED_PE_FILE_VERIFICATION is not set

#
# Certificates for signature checking
#
CONFIG_MODULE_SIG_KEY="certs/signing_key.pem"
CONFIG_MODULE_SIG_KEY_TYPE_RSA=y
# CONFIG_MODULE_SIG_KEY_TYPE_ECDSA is not set
CONFIG_SYSTEM_TRUSTED_KEYRING=y
CONFIG_SYSTEM_TRUSTED_KEYS=""
CONFIG_SYSTEM_EXTRA_CERTIFICATE=y
CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE=4096
CONFIG_SECONDARY_TRUSTED_KEYRING=y
# CONFIG_SYSTEM_BLACKLIST_KEYRING is not set
# end of Certificates for signature checking

CONFIG_BINARY_PRINTF=y

#
# Library routines
#
CONFIG_RAID6_PQ=m
# CONFIG_RAID6_PQ_BENCHMARK is not set
CONFIG_LINEAR_RANGES=y
CONFIG_PACKING=y
CONFIG_BITREVERSE=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_NET_UTILS=y
CONFIG_CORDIC=m
CONFIG_PRIME_NUMBERS=y
CONFIG_RATIONAL=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_STMP_DEVICE=y

#
# Crypto library routines
#
CONFIG_CRYPTO_LIB_AES=y
CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
CONFIG_CRYPTO_LIB_CHACHA_GENERIC=y
CONFIG_CRYPTO_LIB_CHACHA=y
CONFIG_CRYPTO_LIB_CURVE25519_GENERIC=y
CONFIG_CRYPTO_LIB_CURVE25519=y
CONFIG_CRYPTO_LIB_DES=y
CONFIG_CRYPTO_LIB_POLY1305_RSIZE=1
CONFIG_CRYPTO_LIB_POLY1305_GENERIC=y
# CONFIG_CRYPTO_LIB_POLY1305 is not set
# CONFIG_CRYPTO_LIB_CHACHA20POLY1305 is not set
CONFIG_CRYPTO_LIB_SHA256=y
# end of Crypto library routines

CONFIG_LIB_MEMNEQ=y
CONFIG_CRC_CCITT=m
CONFIG_CRC16=y
CONFIG_CRC_T10DIF=y
CONFIG_CRC64_ROCKSOFT=y
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC32_SELFTEST is not set
# CONFIG_CRC32_SLICEBY8 is not set
CONFIG_CRC32_SLICEBY4=y
# CONFIG_CRC32_SARWATE is not set
# CONFIG_CRC32_BIT is not set
CONFIG_CRC64=y
CONFIG_CRC4=y
CONFIG_CRC7=y
CONFIG_LIBCRC32C=y
CONFIG_CRC8=y
CONFIG_XXHASH=y
CONFIG_RANDOM32_SELFTEST=y
CONFIG_842_COMPRESS=m
CONFIG_842_DECOMPRESS=m
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_LZO_COMPRESS=m
CONFIG_LZO_DECOMPRESS=m
CONFIG_LZ4_COMPRESS=m
CONFIG_LZ4HC_COMPRESS=m
CONFIG_LZ4_DECOMPRESS=m
CONFIG_ZSTD_COMPRESS=m
CONFIG_ZSTD_DECOMPRESS=y
CONFIG_XZ_DEC=y
CONFIG_XZ_DEC_X86=y
# CONFIG_XZ_DEC_POWERPC is not set
# CONFIG_XZ_DEC_IA64 is not set
# CONFIG_XZ_DEC_ARM is not set
CONFIG_XZ_DEC_ARMTHUMB=y
CONFIG_XZ_DEC_SPARC=y
# CONFIG_XZ_DEC_MICROLZMA is not set
CONFIG_XZ_DEC_BCJ=y
# CONFIG_XZ_DEC_TEST is not set
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_ZSTD=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_REED_SOLOMON=m
CONFIG_REED_SOLOMON_DEC16=y
CONFIG_BCH=m
CONFIG_INTERVAL_TREE=y
CONFIG_ASSOCIATIVE_ARRAY=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HAS_DMA=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_DMA_DECLARE_COHERENT=y
CONFIG_DMA_CMA=y
CONFIG_DMA_PERNUMA_CMA=y

#
# Default contiguous memory area size:
#
CONFIG_CMA_SIZE_PERCENTAGE=10
# CONFIG_CMA_SIZE_SEL_MBYTES is not set
CONFIG_CMA_SIZE_SEL_PERCENTAGE=y
# CONFIG_CMA_SIZE_SEL_MIN is not set
# CONFIG_CMA_SIZE_SEL_MAX is not set
CONFIG_CMA_ALIGNMENT=8
CONFIG_DMA_API_DEBUG=y
# CONFIG_DMA_API_DEBUG_SG is not set
# CONFIG_DMA_MAP_BENCHMARK is not set
CONFIG_SGL_ALLOC=y
CONFIG_GLOB=y
# CONFIG_GLOB_SELFTEST is not set
CONFIG_GENERIC_ATOMIC64=y
CONFIG_CLZ_TAB=y
CONFIG_IRQ_POLL=y
CONFIG_MPILIB=y
CONFIG_LIBFDT=y
CONFIG_OID_REGISTRY=y
CONFIG_UCS2_STRING=y
CONFIG_SG_POOL=y
CONFIG_ARCH_STACKWALK=y
CONFIG_STACKDEPOT=y
CONFIG_STACK_HASH_ORDER=20
CONFIG_SBITMAP=y
CONFIG_PARMAN=m
# CONFIG_OBJAGG is not set
# end of Library routines

CONFIG_GENERIC_IOREMAP=y
CONFIG_GENERIC_LIB_ASHLDI3=y
CONFIG_GENERIC_LIB_ASHRDI3=y
CONFIG_GENERIC_LIB_LSHRDI3=y
CONFIG_GENERIC_LIB_UCMPDI2=y
CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED=y
CONFIG_POLYNOMIAL=m

#
# Kernel hacking
#

#
# printk and dmesg options
#
CONFIG_PRINTK_TIME=y
# CONFIG_PRINTK_CALLER is not set
# CONFIG_STACKTRACE_BUILD_ID is not set
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
CONFIG_CONSOLE_LOGLEVEL_QUIET=4
CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_DYNAMIC_DEBUG is not set
CONFIG_DYNAMIC_DEBUG_CORE=y
CONFIG_SYMBOLIC_ERRNAME=y
# end of printk and dmesg options

CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_MISC is not set

#
# Compile-time checks and compiler options
#
CONFIG_DEBUG_INFO_NONE=y
# CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is not set
# CONFIG_DEBUG_INFO_DWARF4 is not set
# CONFIG_DEBUG_INFO_DWARF5 is not set
CONFIG_FRAME_WARN=1024
CONFIG_STRIP_ASM_SYMS=y
CONFIG_HEADERS_INSTALL=y
CONFIG_SECTION_MISMATCH_WARN_ONLY=y
CONFIG_ARCH_WANT_FRAME_POINTERS=y
CONFIG_FRAME_POINTER=y
# CONFIG_VMLINUX_MAP is not set
CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
# end of Compile-time checks and compiler options

#
# Generic Kernel Debugging Instruments
#
CONFIG_MAGIC_SYSRQ=y
CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1
# CONFIG_MAGIC_SYSRQ_SERIAL is not set
CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_FS_ALLOW_ALL is not set
CONFIG_DEBUG_FS_DISALLOW_MOUNT=y
# CONFIG_DEBUG_FS_ALLOW_NONE is not set
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_HAVE_ARCH_KGDB_QXFER_PKT=y
# CONFIG_KGDB is not set
CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y
CONFIG_UBSAN=y
CONFIG_CC_HAS_UBSAN_BOUNDS=y
CONFIG_CC_HAS_UBSAN_ARRAY_BOUNDS=y
# CONFIG_UBSAN_BOUNDS is not set
# CONFIG_UBSAN_SHIFT is not set
# CONFIG_UBSAN_DIV_ZERO is not set
# CONFIG_UBSAN_UNREACHABLE is not set
# CONFIG_UBSAN_BOOL is not set
# CONFIG_UBSAN_ENUM is not set
# CONFIG_UBSAN_SANITIZE_ALL is not set
CONFIG_TEST_UBSAN=m
# end of Generic Kernel Debugging Instruments

#
# Networking Debugging
#
# CONFIG_NET_DEV_REFCNT_TRACKER is not set
# CONFIG_NET_NS_REFCNT_TRACKER is not set
# end of Networking Debugging

#
# Memory Debugging
#
CONFIG_PAGE_EXTENSION=y
# CONFIG_DEBUG_PAGEALLOC is not set
CONFIG_PAGE_OWNER=y
# CONFIG_PAGE_TABLE_CHECK is not set
CONFIG_PAGE_POISONING=y
# CONFIG_DEBUG_PAGE_REF is not set
# CONFIG_DEBUG_RODATA_TEST is not set
CONFIG_ARCH_HAS_DEBUG_WX=y
CONFIG_DEBUG_WX=y
CONFIG_GENERIC_PTDUMP=y
CONFIG_PTDUMP_CORE=y
# CONFIG_PTDUMP_DEBUGFS is not set
# CONFIG_DEBUG_OBJECTS is not set
CONFIG_HAVE_DEBUG_KMEMLEAK=y
# CONFIG_DEBUG_KMEMLEAK is not set
# CONFIG_DEBUG_STACK_USAGE is not set
CONFIG_SCHED_STACK_END_CHECK=y
CONFIG_ARCH_HAS_DEBUG_VM_PGTABLE=y
CONFIG_DEBUG_VM=y
# CONFIG_DEBUG_VM_VMACACHE is not set
# CONFIG_DEBUG_VM_RB is not set
# CONFIG_DEBUG_VM_PGFLAGS is not set
# CONFIG_DEBUG_VM_PGTABLE is not set
CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y
# CONFIG_DEBUG_VIRTUAL is not set
CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_PER_CPU_MAPS is not set
CONFIG_CC_HAS_KASAN_GENERIC=y
CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=y
# end of Memory Debugging

CONFIG_DEBUG_SHIRQ=y

#
# Debug Oops, Lockups and Hangs
#
# CONFIG_PANIC_ON_OOPS is not set
CONFIG_PANIC_ON_OOPS_VALUE=0
CONFIG_PANIC_TIMEOUT=0
CONFIG_LOCKUP_DETECTOR=y
CONFIG_SOFTLOCKUP_DETECTOR=y
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
CONFIG_WQ_WATCHDOG=y
# CONFIG_TEST_LOCKUP is not set
# end of Debug Oops, Lockups and Hangs

#
# Scheduler Debugging
#
# CONFIG_SCHED_DEBUG is not set
# CONFIG_SCHEDSTATS is not set
# end of Scheduler Debugging

# CONFIG_DEBUG_TIMEKEEPING is not set

#
# Lock Debugging (spinlocks, mutexes, etc...)
#
CONFIG_LOCK_DEBUGGING_SUPPORT=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RAW_LOCK_NESTING=y
CONFIG_LOCK_STAT=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y
CONFIG_DEBUG_RWSEMS=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_LOCKDEP=y
CONFIG_LOCKDEP_BITS=15
CONFIG_LOCKDEP_CHAINS_BITS=16
CONFIG_LOCKDEP_STACK_TRACE_BITS=19
CONFIG_LOCKDEP_STACK_TRACE_HASH_BITS=14
CONFIG_LOCKDEP_CIRCULAR_QUEUE_BITS=12
CONFIG_DEBUG_LOCKDEP=y
CONFIG_DEBUG_ATOMIC_SLEEP=y
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_LOCK_TORTURE_TEST is not set
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_SCF_TORTURE_TEST=y
# end of Lock Debugging (spinlocks, mutexes, etc...)

CONFIG_TRACE_IRQFLAGS=y
CONFIG_DEBUG_IRQFLAGS=y
CONFIG_STACKTRACE=y
CONFIG_WARN_ALL_UNSEEDED_RANDOM=y
# CONFIG_DEBUG_KOBJECT is not set

#
# Debug kernel data structures
#
CONFIG_DEBUG_LIST=y
# CONFIG_DEBUG_PLIST is not set
CONFIG_DEBUG_SG=y
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_BUG_ON_DATA_CORRUPTION is not set
# end of Debug kernel data structures

CONFIG_DEBUG_CREDENTIALS=y

#
# RCU Debugging
#
CONFIG_PROVE_RCU=y
CONFIG_PROVE_RCU_LIST=y
CONFIG_TORTURE_TEST=y
CONFIG_RCU_SCALE_TEST=y
CONFIG_RCU_TORTURE_TEST=y
CONFIG_RCU_REF_SCALE_TEST=m
CONFIG_RCU_CPU_STALL_TIMEOUT=21
CONFIG_RCU_EXP_CPU_STALL_TIMEOUT=0
# CONFIG_RCU_TRACE is not set
CONFIG_RCU_EQS_DEBUG=y
# end of RCU Debugging

CONFIG_DEBUG_WQ_FORCE_RR_CPU=y
CONFIG_CPU_HOTPLUG_STATE_CONTROL=y
# CONFIG_LATENCYTOP is not set
CONFIG_NOP_TRACER=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_TRACER_MAX_TRACE=y
CONFIG_TRACE_CLOCK=y
CONFIG_RING_BUFFER=y
CONFIG_EVENT_TRACING=y
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_RING_BUFFER_ALLOW_SWAP=y
CONFIG_PREEMPTIRQ_TRACEPOINTS=y
CONFIG_TRACING=y
CONFIG_GENERIC_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_BOOTTIME_TRACING is not set
CONFIG_IRQSOFF_TRACER=y
# CONFIG_SCHED_TRACER is not set
CONFIG_HWLAT_TRACER=y
# CONFIG_OSNOISE_TRACER is not set
# CONFIG_TIMERLAT_TRACER is not set
# CONFIG_FTRACE_SYSCALLS is not set
CONFIG_TRACER_SNAPSHOT=y
CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP=y
CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
CONFIG_BLK_DEV_IO_TRACE=y
# CONFIG_KPROBE_EVENTS is not set
CONFIG_DYNAMIC_EVENTS=y
CONFIG_SYNTH_EVENTS=y
# CONFIG_USER_EVENTS is not set
# CONFIG_TRACE_EVENT_INJECT is not set
CONFIG_TRACEPOINT_BENCHMARK=y
CONFIG_RING_BUFFER_BENCHMARK=m
CONFIG_TRACE_EVAL_MAP_FILE=y
CONFIG_GCOV_PROFILE_FTRACE=y
CONFIG_FTRACE_SELFTEST=y
CONFIG_FTRACE_STARTUP_TEST=y
CONFIG_EVENT_TRACE_STARTUP_TEST=y
CONFIG_EVENT_TRACE_TEST_SYSCALLS=y
# CONFIG_RING_BUFFER_STARTUP_TEST is not set
# CONFIG_RING_BUFFER_VALIDATE_TIME_DELTAS is not set
CONFIG_PREEMPTIRQ_DELAY_TEST=m
# CONFIG_SYNTH_EVENT_GEN_TEST is not set
# CONFIG_SAMPLES is not set

#
# riscv Debugging
#
# end of riscv Debugging

#
# Kernel Testing and Coverage
#
# CONFIG_KUNIT is not set
# CONFIG_NOTIFIER_ERROR_INJECTION is not set
CONFIG_FUNCTION_ERROR_INJECTION=y
CONFIG_FAULT_INJECTION=y
# CONFIG_FAIL_PAGE_ALLOC is not set
CONFIG_FAULT_INJECTION_USERCOPY=y
# CONFIG_FAIL_MAKE_REQUEST is not set
CONFIG_FAIL_IO_TIMEOUT=y
# CONFIG_FAIL_FUTEX is not set
CONFIG_FAULT_INJECTION_DEBUG_FS=y
# CONFIG_FAIL_FUNCTION is not set
CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
CONFIG_ARCH_HAS_KCOV=y
CONFIG_CC_HAS_SANCOV_TRACE_PC=y
# CONFIG_KCOV is not set
# CONFIG_RUNTIME_TESTING_MENU is not set
CONFIG_ARCH_USE_MEMTEST=y
# CONFIG_MEMTEST is not set
# end of Kernel Testing and Coverage

CONFIG_WARN_MISSING_DOCUMENTS=y
CONFIG_WARN_ABI_ERRORS=y
# end of Kernel hacking

Re: [PATCH v2 21/28] cxl/region: Enable the assignment of endpoint decoders to regions

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 3750 bytes --]

Hi Dan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on b060edfd8cdd52bc8648392500bf152a8dd6d4c5]

url:    https://github.com/intel-lab-lkp/linux/commits/Dan-Williams/CXL-PMEM-Region-Provisioning/20220715-080748
base:   b060edfd8cdd52bc8648392500bf152a8dd6d4c5
config: riscv-randconfig-r005-20220714
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 2da550140aa98cf6a3e96417c87f1e89e3a26047)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/e8f8f1fa762fad5e3a401414cf9bb5a898d8c35b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Dan-Williams/CXL-PMEM-Region-Provisioning/20220715-080748
        git checkout e8f8f1fa762fad5e3a401414cf9bb5a898d8c35b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/cxl/core/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/cxl/core/hdm.c:322:6: warning: variable 'rc' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
           if (cxled->cxld.region) {
               ^~~~~~~~~~~~~~~~~~
   drivers/cxl/core/hdm.c:342:9: note: uninitialized use occurs here
           return rc;
                  ^~
   drivers/cxl/core/hdm.c:322:2: note: remove the 'if' if its condition is always false
           if (cxled->cxld.region) {
           ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/cxl/core/hdm.c:315:8: note: initialize the variable 'rc' to silence this warning
           int rc;
                 ^
                  = 0
   drivers/cxl/core/hdm.c:403:6: warning: variable 'rc' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
           if (cxled->cxld.region) {
               ^~~~~~~~~~~~~~~~~~
   drivers/cxl/core/hdm.c:459:6: note: uninitialized use occurs here
           if (rc)
               ^~
   drivers/cxl/core/hdm.c:403:2: note: remove the 'if' if its condition is always false
           if (cxled->cxld.region) {
           ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/cxl/core/hdm.c:400:8: note: initialize the variable 'rc' to silence this warning
           int rc;
                 ^
                  = 0
   2 warnings generated.


vim +322 drivers/cxl/core/hdm.c

   310	
   311	int cxl_dpa_free(struct cxl_endpoint_decoder *cxled)
   312	{
   313		struct cxl_port *port = cxled_to_port(cxled);
   314		struct device *dev = &cxled->cxld.dev;
   315		int rc;
   316	
   317		down_write(&cxl_dpa_rwsem);
   318		if (!cxled->dpa_res) {
   319			rc = 0;
   320			goto out;
   321		}
 > 322		if (cxled->cxld.region) {
   323			dev_dbg(dev, "decoder assigned to: %s\n",
   324				dev_name(&cxled->cxld.region->dev));
   325			goto out;
   326		}
   327		if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
   328			dev_dbg(dev, "decoder enabled\n");
   329			rc = -EBUSY;
   330			goto out;
   331		}
   332		if (cxled->cxld.id != port->hdm_end) {
   333			dev_dbg(dev, "expected decoder%d.%d\n", port->id,
   334				port->hdm_end);
   335			rc = -EBUSY;
   336			goto out;
   337		}
   338		devm_cxl_dpa_release(cxled);
   339		rc = 0;
   340	out:
   341		up_write(&cxl_dpa_rwsem);
   342		return rc;
   343	}
   344	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

[-- Attachment #2: config --]
[-- Type: text/plain, Size: 173290 bytes --]

#
# Automatically generated file; DO NOT EDIT.
# Linux/riscv 5.19.0-rc3 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="clang version 15.0.0 (git://gitmirror/llvm_project 2da550140aa98cf6a3e96417c87f1e89e3a26047)"
CONFIG_GCC_VERSION=0
CONFIG_CC_IS_CLANG=y
CONFIG_CLANG_VERSION=150000
CONFIG_AS_IS_LLVM=y
CONFIG_AS_VERSION=150000
CONFIG_LD_VERSION=0
CONFIG_LD_IS_LLD=y
CONFIG_LLD_VERSION=150000
CONFIG_CC_HAS_ASM_GOTO=y
CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
CONFIG_TOOLS_SUPPORT_RELR=y
CONFIG_CC_HAS_ASM_INLINE=y
CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=y
CONFIG_PAHOLE_VERSION=123
CONFIG_CONSTRUCTORS=y
CONFIG_IRQ_WORK=y
CONFIG_BUILDTIME_TABLE_SORT=y
CONFIG_THREAD_INFO_IN_TASK=y

#
# General setup
#
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_COMPILE_TEST=y
# CONFIG_WERROR is not set
CONFIG_LOCALVERSION=""
CONFIG_BUILD_SALT=""
CONFIG_DEFAULT_INIT=""
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_WATCH_QUEUE is not set
CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_USELIB=y
CONFIG_HAVE_ARCH_AUDITSYSCALL=y

#
# IRQ subsystem
#
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_GENERIC_IRQ_MIGRATION=y
CONFIG_GENERIC_IRQ_CHIP=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_SIM=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_IRQ_FASTEOI_HIERARCHY_HANDLERS=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
# CONFIG_GENERIC_IRQ_DEBUGFS is not set
# end of IRQ subsystem

CONFIG_GENERIC_IRQ_MULTI_HANDLER=y
CONFIG_ARCH_CLOCKSOURCE_INIT=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_ARCH_HAS_TICK_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y

#
# Timers subsystem
#
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ_COMMON=y
# CONFIG_HZ_PERIODIC is not set
CONFIG_NO_HZ_IDLE=y
# CONFIG_NO_HZ is not set
CONFIG_HIGH_RES_TIMERS=y
# end of Timers subsystem

CONFIG_HAVE_EBPF_JIT=y

#
# BPF subsystem
#
# CONFIG_BPF_SYSCALL is not set
# end of BPF subsystem

CONFIG_PREEMPT_VOLUNTARY_BUILD=y
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_COUNT=y

#
# CPU/Task time and stats accounting
#
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_SCHED_AVG_IRQ=y
CONFIG_PSI=y
# CONFIG_PSI_DEFAULT_DISABLED is not set
# end of CPU/Task time and stats accounting

# CONFIG_CPU_ISOLATION is not set

#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
CONFIG_RCU_EXPERT=y
CONFIG_SRCU=y
CONFIG_TREE_SRCU=y
CONFIG_TASKS_RCU_GENERIC=y
# CONFIG_FORCE_TASKS_RCU is not set
# CONFIG_FORCE_TASKS_RUDE_RCU is not set
CONFIG_FORCE_TASKS_TRACE_RCU=y
CONFIG_TASKS_TRACE_RCU=y
CONFIG_RCU_STALL_COMMON=y
CONFIG_RCU_NEED_SEGCBLIST=y
CONFIG_RCU_FANOUT=32
CONFIG_RCU_FANOUT_LEAF=16
# CONFIG_RCU_NOCB_CPU is not set
CONFIG_TASKS_TRACE_RCU_READ_MB=y
# end of RCU Subsystem

CONFIG_IKCONFIG=y
# CONFIG_IKCONFIG_PROC is not set
CONFIG_IKHEADERS=y
CONFIG_LOG_BUF_SHIFT=17
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
# CONFIG_PRINTK_INDEX is not set
CONFIG_GENERIC_SCHED_CLOCK=y

#
# Scheduler features
#
# end of Scheduler features

CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
CONFIG_CC_IMPLICIT_FALLTHROUGH="-Wimplicit-fallthrough"
CONFIG_GCC12_NO_ARRAY_BOUNDS=y
CONFIG_NUMA_BALANCING=y
# CONFIG_NUMA_BALANCING_DEFAULT_ENABLED is not set
CONFIG_CGROUPS=y
CONFIG_PAGE_COUNTER=y
CONFIG_MEMCG=y
# CONFIG_BLK_CGROUP is not set
CONFIG_CGROUP_SCHED=y
# CONFIG_FAIR_GROUP_SCHED is not set
CONFIG_RT_GROUP_SCHED=y
# CONFIG_CGROUP_PIDS is not set
CONFIG_CGROUP_RDMA=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
# CONFIG_CGROUP_DEVICE is not set
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_MISC=y
CONFIG_CGROUP_DEBUG=y
# CONFIG_CHECKPOINT_RESTORE is not set
# CONFIG_SCHED_AUTOGROUP is not set
# CONFIG_SYSFS_DEPRECATED is not set
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_RD_GZIP is not set
# CONFIG_RD_BZIP2 is not set
CONFIG_RD_LZMA=y
CONFIG_RD_XZ=y
# CONFIG_RD_LZO is not set
# CONFIG_RD_LZ4 is not set
CONFIG_RD_ZSTD=y
CONFIG_BOOT_CONFIG=y
# CONFIG_BOOT_CONFIG_EMBED is not set
CONFIG_INITRAMFS_PRESERVE_MTIME=y
CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_SYSCTL=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_EXPERT=y
# CONFIG_MULTIUSER is not set
# CONFIG_SGETMASK_SYSCALL is not set
CONFIG_SYSFS_SYSCALL=y
CONFIG_FHANDLE=y
CONFIG_POSIX_TIMERS=y
CONFIG_PRINTK=y
# CONFIG_BUG is not set
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_FUTEX_PI=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
# CONFIG_IO_URING is not set
# CONFIG_ADVISE_SYSCALLS is not set
CONFIG_MEMBARRIER=y
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
CONFIG_KALLSYMS_BASE_RELATIVE=y
CONFIG_KCMP=y
CONFIG_RSEQ=y
# CONFIG_DEBUG_RSEQ is not set
CONFIG_EMBEDDED=y
CONFIG_HAVE_PERF_EVENTS=y
# CONFIG_PC104 is not set

#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# end of Kernel Performance Events And Counters

CONFIG_SYSTEM_DATA_VERIFICATION=y
CONFIG_PROFILING=y
CONFIG_TRACEPOINTS=y
# end of General setup

CONFIG_32BIT=y
CONFIG_RISCV=y
CONFIG_ARCH_MMAP_RND_BITS_MIN=8
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=8
CONFIG_ARCH_MMAP_RND_BITS_MAX=17
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=17
CONFIG_RISCV_SBI=y
CONFIG_MMU=y
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_PGTABLE_LEVELS=2
CONFIG_LOCKDEP_SUPPORT=y

#
# SoC selection
#
# CONFIG_SOC_MICROCHIP_POLARFIRE is not set
# CONFIG_SOC_SIFIVE is not set
CONFIG_SOC_STARFIVE=y
# CONFIG_SOC_VIRT is not set
# end of SoC selection

#
# CPU errata selection
#
CONFIG_ERRATA_SIFIVE=y
CONFIG_ERRATA_THEAD=y
# end of CPU errata selection

#
# Platform type
#
CONFIG_ARCH_RV32I=y
# CONFIG_ARCH_RV64I is not set
# CONFIG_CMODEL_MEDLOW is not set
CONFIG_CMODEL_MEDANY=y
CONFIG_MODULE_SECTIONS=y
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_HOTPLUG_CPU=y
CONFIG_TUNE_GENERIC=y
CONFIG_NUMA=y
CONFIG_NODES_SHIFT=2
CONFIG_RISCV_ALTERNATIVE=y
CONFIG_RISCV_ISA_C=y
# CONFIG_FPU is not set
# end of Platform type

#
# Kernel features
#
CONFIG_HZ_100=y
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=100
CONFIG_SCHED_HRTICK=y
# CONFIG_RISCV_SBI_V01 is not set
CONFIG_RISCV_BOOT_SPINWAIT=y
CONFIG_KEXEC=y
CONFIG_CRASH_DUMP=y
# end of Kernel features

#
# Boot options
#
CONFIG_CMDLINE=""
CONFIG_EFI_STUB=y
CONFIG_EFI=y
# CONFIG_PHYS_RAM_BASE_FIXED is not set
# end of Boot options

#
# Power management options
#
# CONFIG_PM is not set
# end of Power management options

#
# CPU Power Management
#

#
# CPU Idle
#
# CONFIG_CPU_IDLE is not set
# end of CPU Idle
# end of CPU Power Management

CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_MMIO=y
CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y
CONFIG_HAVE_KVM_VCPU_ASYNC_IOCTL=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=y

#
# General architecture-dependent options
#
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
CONFIG_STATIC_KEYS_SELFTEST=y
CONFIG_KRETPROBES=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_KPROBES_ON_FTRACE=y
CONFIG_HAVE_FUNCTION_ERROR_INJECTION=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_ARCH_HAS_FORTIFY_SOURCE=y
CONFIG_ARCH_HAS_SET_MEMORY=y
CONFIG_ARCH_HAS_SET_DIRECT_MAP=y
CONFIG_HAVE_ARCH_THREAD_STRUCT_WHITELIST=y
CONFIG_HAVE_ASM_MODVERSIONS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_RSEQ=y
CONFIG_HAVE_FUNCTION_ARG_ACCESS_API=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_JUMP_LABEL_RELATIVE=y
CONFIG_HAVE_ARCH_SECCOMP=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_SECCOMP=y
CONFIG_HAVE_STACKPROTECTOR=y
# CONFIG_STACKPROTECTOR is not set
CONFIG_LTO_NONE=y
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_MOVE_PUD=y
CONFIG_HAVE_MOVE_PMD=y
CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
CONFIG_HAVE_ARCH_MMAP_RND_BITS=y
CONFIG_ARCH_MMAP_RND_BITS=8
CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT=y
CONFIG_ISA_BUS_API=y
CONFIG_CLONE_BACKWARDS=y
# CONFIG_COMPAT_32BIT_TIME is not set
CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT=y
CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
CONFIG_STRICT_KERNEL_RWX=y
CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
CONFIG_STRICT_MODULE_RWX=y
# CONFIG_LOCK_EVENT_COUNTS is not set
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_ARCH_SUPPORTS_PAGE_TABLE_CHECK=y

#
# GCOV-based kernel profiling
#
CONFIG_GCOV_KERNEL=y
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
# end of GCOV-based kernel profiling

CONFIG_HAVE_GCC_PLUGINS=y
# end of General architecture-dependent options

CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULE_SIG_FORMAT=y
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
# CONFIG_MODULE_UNLOAD is not set
CONFIG_MODVERSIONS=y
CONFIG_ASM_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG=y
# CONFIG_MODULE_SIG_FORCE is not set
CONFIG_MODULE_SIG_ALL=y
CONFIG_MODULE_SIG_SHA1=y
# CONFIG_MODULE_SIG_SHA224 is not set
# CONFIG_MODULE_SIG_SHA256 is not set
# CONFIG_MODULE_SIG_SHA384 is not set
# CONFIG_MODULE_SIG_SHA512 is not set
CONFIG_MODULE_SIG_HASH="sha1"
# CONFIG_MODULE_COMPRESS_NONE is not set
# CONFIG_MODULE_COMPRESS_GZIP is not set
CONFIG_MODULE_COMPRESS_XZ=y
# CONFIG_MODULE_COMPRESS_ZSTD is not set
CONFIG_MODULE_DECOMPRESS=y
# CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS is not set
CONFIG_MODPROBE_PATH="/sbin/modprobe"
CONFIG_MODULES_TREE_LOOKUP=y
CONFIG_BLOCK=y
CONFIG_BLOCK_LEGACY_AUTOLOAD=y
CONFIG_BLK_DEV_BSG_COMMON=y
CONFIG_BLK_ICQ=y
CONFIG_BLK_DEV_BSGLIB=y
CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_BLK_DEV_INTEGRITY_T10=y
# CONFIG_BLK_DEV_ZONED is not set
CONFIG_BLK_WBT=y
CONFIG_BLK_WBT_MQ=y
# CONFIG_BLK_DEBUG_FS is not set
CONFIG_BLK_SED_OPAL=y
# CONFIG_BLK_INLINE_ENCRYPTION is not set

#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
CONFIG_AIX_PARTITION=y
CONFIG_OSF_PARTITION=y
CONFIG_AMIGA_PARTITION=y
# CONFIG_ATARI_PARTITION is not set
CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
CONFIG_BSD_DISKLABEL=y
CONFIG_MINIX_SUBPARTITION=y
CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_LDM_PARTITION=y
# CONFIG_LDM_DEBUG is not set
CONFIG_SGI_PARTITION=y
CONFIG_ULTRIX_PARTITION=y
CONFIG_SUN_PARTITION=y
CONFIG_KARMA_PARTITION=y
# CONFIG_EFI_PARTITION is not set
# CONFIG_SYSV68_PARTITION is not set
CONFIG_CMDLINE_PARTITION=y
# end of Partition Types

CONFIG_BLK_MQ_PCI=y
CONFIG_BLK_MQ_VIRTIO=y
CONFIG_BLOCK_HOLDER_DEPRECATED=y

#
# IO Schedulers
#
CONFIG_MQ_IOSCHED_DEADLINE=m
CONFIG_MQ_IOSCHED_KYBER=y
CONFIG_IOSCHED_BFQ=y
# end of IO Schedulers

CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_ASN1=y
CONFIG_UNINLINE_SPIN_UNLOCK=y
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_ARCH_USE_QUEUED_RWLOCKS=y
CONFIG_QUEUED_RWLOCKS=y
CONFIG_ARCH_HAS_MMIOWB=y
CONFIG_MMIOWB=y
CONFIG_FREEZER=y

#
# Executable file formats
#
# CONFIG_BINFMT_ELF is not set
CONFIG_BINFMT_SCRIPT=y
CONFIG_ARCH_HAS_BINFMT_FLAT=y
CONFIG_BINFMT_FLAT=y
# CONFIG_BINFMT_FLAT_OLD is not set
# CONFIG_BINFMT_ZFLAT is not set
CONFIG_BINFMT_MISC=y
# CONFIG_COREDUMP is not set
# end of Executable file formats

#
# Memory Management options
#
# CONFIG_SWAP is not set
CONFIG_ZSMALLOC=m
# CONFIG_ZSMALLOC_STAT is not set

#
# SLAB allocator options
#
# CONFIG_SLAB is not set
# CONFIG_SLUB is not set
CONFIG_SLOB=y
# end of SLAB allocator options

# CONFIG_SHUFFLE_PAGE_ALLOCATOR is not set
# CONFIG_COMPAT_BRK is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
CONFIG_SPARSEMEM_STATIC=y
CONFIG_MEMORY_ISOLATION=y
CONFIG_EXCLUSIVE_SYSTEM_RAM=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MEMORY_BALLOON=y
CONFIG_BALLOON_COMPACTION=y
CONFIG_COMPACTION=y
CONFIG_PAGE_REPORTING=y
CONFIG_MIGRATION=y
CONFIG_CONTIG_ALLOC=y
CONFIG_MMU_NOTIFIER=y
# CONFIG_KSM is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_USE_PERCPU_NUMA_NODE_ID=y
CONFIG_CMA=y
# CONFIG_CMA_DEBUG is not set
# CONFIG_CMA_DEBUGFS is not set
CONFIG_CMA_SYSFS=y
CONFIG_CMA_AREAS=19
CONFIG_GENERIC_EARLY_IOREMAP=y
CONFIG_PAGE_IDLE_FLAG=y
CONFIG_IDLE_PAGE_TRACKING=y
CONFIG_ARCH_HAS_CURRENT_STACK_POINTER=y
CONFIG_GET_FREE_REGION=y
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_PERCPU_STATS is not set
CONFIG_GUP_TEST=y
CONFIG_ARCH_HAS_PTE_SPECIAL=y
# CONFIG_USERFAULTFD is not set

#
# Data Access Monitoring
#
# CONFIG_DAMON is not set
# end of Data Access Monitoring
# end of Memory Management options

# CONFIG_NET is not set

#
# Device Drivers
#
CONFIG_HAVE_PCI=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_DOMAINS_GENERIC=y
CONFIG_PCIEPORTBUS=y
# CONFIG_HOTPLUG_PCI_PCIE is not set
# CONFIG_PCIEAER is not set
# CONFIG_PCIEASPM is not set
# CONFIG_PCIE_PTM is not set
CONFIG_PCI_MSI=y
CONFIG_PCI_MSI_IRQ_DOMAIN=y
CONFIG_PCI_QUIRKS=y
CONFIG_PCI_DEBUG=y
# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
# CONFIG_PCI_STUB is not set
CONFIG_PCI_PF_STUB=m
CONFIG_PCI_ATS=y
CONFIG_PCI_ECAM=y
CONFIG_PCI_BRIDGE_EMUL=y
CONFIG_PCI_IOV=y
# CONFIG_PCI_PRI is not set
# CONFIG_PCI_PASID is not set
# CONFIG_PCIE_BUS_TUNE_OFF is not set
CONFIG_PCIE_BUS_DEFAULT=y
# CONFIG_PCIE_BUS_SAFE is not set
# CONFIG_PCIE_BUS_PERFORMANCE is not set
# CONFIG_PCIE_BUS_PEER2PEER is not set
CONFIG_VGA_ARB=y
CONFIG_VGA_ARB_MAX_GPUS=16
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_CPCI=y
# CONFIG_HOTPLUG_PCI_SHPC is not set

#
# PCI controller drivers
#
CONFIG_PCI_AARDVARK=y
# CONFIG_PCIE_XILINX_NWL is not set
CONFIG_PCI_FTPCI100=y
CONFIG_PCI_TEGRA=y
CONFIG_PCIE_RCAR_HOST=y
# CONFIG_PCIE_RCAR_EP is not set
CONFIG_PCI_HOST_COMMON=y
# CONFIG_PCI_HOST_GENERIC is not set
CONFIG_PCIE_XILINX=y
# CONFIG_PCIE_XILINX_CPM is not set
# CONFIG_PCI_XGENE is not set
# CONFIG_PCI_V3_SEMI is not set
# CONFIG_PCI_VERSATILE is not set
CONFIG_PCIE_ALTERA=m
CONFIG_PCIE_ALTERA_MSI=m
CONFIG_PCI_HOST_THUNDER_PEM=y
CONFIG_PCI_HOST_THUNDER_ECAM=y
CONFIG_PCIE_ROCKCHIP=y
CONFIG_PCIE_ROCKCHIP_HOST=m
CONFIG_PCIE_ROCKCHIP_EP=y
# CONFIG_PCIE_MEDIATEK is not set
# CONFIG_PCIE_MEDIATEK_GEN3 is not set
CONFIG_PCIE_BRCMSTB=y
CONFIG_PCI_LOONGSON=y
CONFIG_PCIE_MICROCHIP_HOST=y
CONFIG_PCIE_APPLE_MSI_DOORBELL_ADDR=0xfffff000
CONFIG_PCIE_APPLE=m
CONFIG_PCIE_MT7621=y

#
# DesignWare PCI Core Support
#
CONFIG_PCIE_DW=y
CONFIG_PCIE_DW_HOST=y
CONFIG_PCIE_DW_EP=y
CONFIG_PCI_DRA7XX=m
CONFIG_PCI_DRA7XX_HOST=m
CONFIG_PCI_DRA7XX_EP=m
CONFIG_PCIE_DW_PLAT=y
CONFIG_PCIE_DW_PLAT_HOST=y
CONFIG_PCIE_DW_PLAT_EP=y
# CONFIG_PCI_EXYNOS is not set
# CONFIG_PCI_IMX6 is not set
# CONFIG_PCIE_SPEAR13XX is not set
CONFIG_PCI_KEYSTONE=y
CONFIG_PCI_KEYSTONE_HOST=y
# CONFIG_PCI_KEYSTONE_EP is not set
CONFIG_PCI_LAYERSCAPE=y
CONFIG_PCI_LAYERSCAPE_EP=y
CONFIG_PCI_HISI=y
CONFIG_PCIE_QCOM=y
CONFIG_PCIE_QCOM_EP=y
CONFIG_PCIE_ARMADA_8K=y
CONFIG_PCIE_ARTPEC6=y
# CONFIG_PCIE_ARTPEC6_HOST is not set
CONFIG_PCIE_ARTPEC6_EP=y
# CONFIG_PCIE_ROCKCHIP_DW_HOST is not set
# CONFIG_PCIE_INTEL_GW is not set
CONFIG_PCIE_KEEMBAY=y
CONFIG_PCIE_KEEMBAY_HOST=y
# CONFIG_PCIE_KEEMBAY_EP is not set
CONFIG_PCIE_KIRIN=y
# CONFIG_PCIE_HISI_STB is not set
CONFIG_PCI_MESON=m
CONFIG_PCIE_TEGRA194=m
CONFIG_PCIE_TEGRA194_HOST=m
# CONFIG_PCIE_TEGRA194_EP is not set
# CONFIG_PCIE_VISCONTI_HOST is not set
# CONFIG_PCIE_UNIPHIER is not set
CONFIG_PCIE_UNIPHIER_EP=y
# CONFIG_PCIE_AL is not set
CONFIG_PCIE_FU740=y
# end of DesignWare PCI Core Support

#
# Mobiveil PCIe Core Support
#
# CONFIG_PCIE_MOBIVEIL_PLAT is not set
# CONFIG_PCIE_LAYERSCAPE_GEN4 is not set
# end of Mobiveil PCIe Core Support

#
# Cadence PCIe controllers support
#
CONFIG_PCIE_CADENCE=y
CONFIG_PCIE_CADENCE_HOST=y
CONFIG_PCIE_CADENCE_EP=y
CONFIG_PCIE_CADENCE_PLAT=y
CONFIG_PCIE_CADENCE_PLAT_HOST=y
CONFIG_PCIE_CADENCE_PLAT_EP=y
CONFIG_PCI_J721E=y
CONFIG_PCI_J721E_HOST=y
CONFIG_PCI_J721E_EP=y
# end of Cadence PCIe controllers support
# end of PCI controller drivers

#
# PCI Endpoint
#
CONFIG_PCI_ENDPOINT=y
# CONFIG_PCI_ENDPOINT_CONFIGFS is not set
CONFIG_PCI_EPF_TEST=m
# CONFIG_PCI_EPF_NTB is not set
# end of PCI Endpoint

#
# PCI switch controller drivers
#
CONFIG_PCI_SW_SWITCHTEC=m
# end of PCI switch controller drivers

CONFIG_CXL_BUS=y
CONFIG_CXL_PCI=m
# CONFIG_CXL_MEM_RAW_COMMANDS is not set
# CONFIG_CXL_MEM is not set
CONFIG_CXL_PORT=y
CONFIG_CXL_REGION=y
# CONFIG_PCCARD is not set
CONFIG_RAPIDIO=m
CONFIG_RAPIDIO_TSI721=m
CONFIG_RAPIDIO_DISC_TIMEOUT=30
CONFIG_RAPIDIO_ENABLE_RX_TX_PORTS=y
CONFIG_RAPIDIO_DMA_ENGINE=y
# CONFIG_RAPIDIO_DEBUG is not set
CONFIG_RAPIDIO_ENUM_BASIC=m
# CONFIG_RAPIDIO_CHMAN is not set
CONFIG_RAPIDIO_MPORT_CDEV=m

#
# RapidIO Switch drivers
#
CONFIG_RAPIDIO_CPS_XX=m
CONFIG_RAPIDIO_CPS_GEN2=m
# CONFIG_RAPIDIO_RXS_GEN3 is not set
# end of RapidIO Switch drivers

#
# Generic Driver Options
#
CONFIG_AUXILIARY_BUS=y
CONFIG_UEVENT_HELPER=y
CONFIG_UEVENT_HELPER_PATH=""
CONFIG_DEVTMPFS=y
# CONFIG_DEVTMPFS_MOUNT is not set
CONFIG_DEVTMPFS_SAFE=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set

#
# Firmware loader
#
CONFIG_FW_LOADER=y
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_FW_LOADER_SYSFS=y
CONFIG_EXTRA_FIRMWARE=""
CONFIG_FW_LOADER_USER_HELPER=y
CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
# CONFIG_FW_LOADER_COMPRESS is not set
CONFIG_FW_UPLOAD=y
# end of Firmware loader

CONFIG_WANT_DEV_COREDUMP=y
CONFIG_ALLOW_DEV_COREDUMP=y
CONFIG_DEV_COREDUMP=y
CONFIG_DEBUG_DRIVER=y
CONFIG_DEBUG_DEVRES=y
# CONFIG_DEBUG_TEST_DRIVER_REMOVE is not set
CONFIG_TEST_ASYNC_DRIVER_PROBE=m
CONFIG_SOC_BUS=y
CONFIG_REGMAP=y
CONFIG_REGMAP_I2C=y
CONFIG_REGMAP_SLIMBUS=m
CONFIG_REGMAP_SPI=y
CONFIG_REGMAP_W1=y
CONFIG_REGMAP_MMIO=y
CONFIG_REGMAP_IRQ=y
CONFIG_REGMAP_SPI_AVMM=y
CONFIG_DMA_SHARED_BUFFER=y
CONFIG_DMA_FENCE_TRACE=y
CONFIG_GENERIC_ARCH_TOPOLOGY=y
CONFIG_GENERIC_ARCH_NUMA=y
# end of Generic Driver Options

#
# Bus devices
#
CONFIG_ARM_INTEGRATOR_LM=y
# CONFIG_BT1_APB is not set
CONFIG_BT1_AXI=y
CONFIG_MOXTET=m
# CONFIG_HISILICON_LPC is not set
# CONFIG_INTEL_IXP4XX_EB is not set
# CONFIG_QCOM_EBI2 is not set
CONFIG_MHI_BUS=y
# CONFIG_MHI_BUS_DEBUG is not set
CONFIG_MHI_BUS_PCI_GENERIC=m
CONFIG_MHI_BUS_EP=m
# end of Bus devices

#
# Firmware Drivers
#

#
# ARM System Control and Management Interface Protocol
#
CONFIG_ARM_SCMI_PROTOCOL=y
CONFIG_ARM_SCMI_HAVE_TRANSPORT=y
CONFIG_ARM_SCMI_HAVE_MSG=y
# CONFIG_ARM_SCMI_TRANSPORT_MAILBOX is not set
CONFIG_ARM_SCMI_TRANSPORT_VIRTIO=y
# CONFIG_ARM_SCMI_TRANSPORT_VIRTIO_VERSION1_COMPLIANCE is not set
CONFIG_ARM_SCMI_TRANSPORT_VIRTIO_ATOMIC_ENABLE=y
CONFIG_ARM_SCMI_POWER_DOMAIN=m
# end of ARM System Control and Management Interface Protocol

# CONFIG_ARM_SCPI_PROTOCOL is not set
CONFIG_ARM_SCPI_POWER_DOMAIN=y
# CONFIG_FIRMWARE_MEMMAP is not set
CONFIG_MTK_ADSP_IPC=m
CONFIG_QCOM_SCM=y
CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT=y
CONFIG_SYSFB=y
CONFIG_SYSFB_SIMPLEFB=y
CONFIG_TURRIS_MOX_RWTM=y
# CONFIG_BCM47XX_NVRAM is not set
CONFIG_TEE_BNXT_FW=m
# CONFIG_GOOGLE_FIRMWARE is not set

#
# EFI (Extensible Firmware Interface) Support
#
CONFIG_EFI_ESRT=y
CONFIG_EFI_PARAMS_FROM_FDT=y
CONFIG_EFI_RUNTIME_WRAPPERS=y
CONFIG_EFI_GENERIC_STUB=y
CONFIG_EFI_BOOTLOADER_CONTROL=m
CONFIG_EFI_CAPSULE_LOADER=m
CONFIG_EFI_TEST=y
CONFIG_RESET_ATTACK_MITIGATION=y
CONFIG_EFI_RCI2_TABLE=y
CONFIG_EFI_DISABLE_PCI_DMA=y
# CONFIG_EFI_DISABLE_RUNTIME is not set
CONFIG_EFI_COCO_SECRET=y
# end of EFI (Extensible Firmware Interface) Support

#
# Tegra firmware driver
#
# end of Tegra firmware driver
# end of Firmware Drivers

CONFIG_GNSS=y
# CONFIG_GNSS_USB is not set
CONFIG_MTD=m
CONFIG_MTD_TESTS=m

#
# Partition parsers
#
CONFIG_MTD_AR7_PARTS=m
# CONFIG_MTD_BCM63XX_PARTS is not set
CONFIG_MTD_CMDLINE_PARTS=m
CONFIG_MTD_OF_PARTS=m
CONFIG_MTD_OF_PARTS_BCM4908=y
# CONFIG_MTD_OF_PARTS_LINKSYS_NS is not set
# CONFIG_MTD_PARSER_IMAGETAG is not set
# CONFIG_MTD_PARSER_TRX is not set
# CONFIG_MTD_SHARPSL_PARTS is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_QCOMSMEM_PARTS=m
# end of Partition parsers

#
# User Modules And Translation Layers
#
CONFIG_MTD_BLKDEVS=m
CONFIG_MTD_BLOCK=m
# CONFIG_MTD_BLOCK_RO is not set

#
# Note that in some cases UBI block is preferred. See MTD_UBI_BLOCK.
#
CONFIG_FTL=m
CONFIG_NFTL=m
# CONFIG_NFTL_RW is not set
# CONFIG_INFTL is not set
CONFIG_RFD_FTL=m
# CONFIG_SSFDC is not set
CONFIG_SM_FTL=m
# CONFIG_MTD_OOPS is not set
# CONFIG_MTD_PARTITIONED_MASTER is not set

#
# RAM/ROM/Flash chip drivers
#
CONFIG_MTD_CFI=m
CONFIG_MTD_JEDECPROBE=m
CONFIG_MTD_GEN_PROBE=m
CONFIG_MTD_CFI_ADV_OPTIONS=y
# CONFIG_MTD_CFI_NOSWAP is not set
# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
CONFIG_MTD_CFI_LE_BYTE_SWAP=y
CONFIG_MTD_CFI_GEOMETRY=y
# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
CONFIG_MTD_MAP_BANK_WIDTH_2=y
# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
CONFIG_MTD_MAP_BANK_WIDTH_16=y
CONFIG_MTD_MAP_BANK_WIDTH_32=y
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
CONFIG_MTD_CFI_I4=y
# CONFIG_MTD_CFI_I8 is not set
# CONFIG_MTD_OTP is not set
CONFIG_MTD_CFI_INTELEXT=m
CONFIG_MTD_CFI_AMDSTD=m
CONFIG_MTD_CFI_STAA=m
CONFIG_MTD_CFI_UTIL=m
CONFIG_MTD_RAM=m
# CONFIG_MTD_ROM is not set
CONFIG_MTD_ABSENT=m
# end of RAM/ROM/Flash chip drivers

#
# Mapping drivers for chip access
#
CONFIG_MTD_COMPLEX_MAPPINGS=y
CONFIG_MTD_PHYSMAP=m
# CONFIG_MTD_PHYSMAP_COMPAT is not set
# CONFIG_MTD_PHYSMAP_OF is not set
# CONFIG_MTD_PHYSMAP_GPIO_ADDR is not set
CONFIG_MTD_SC520CDP=m
CONFIG_MTD_NETSC520=m
CONFIG_MTD_TS5500=m
# CONFIG_MTD_PCI is not set
CONFIG_MTD_INTEL_VR_NOR=m
CONFIG_MTD_PLATRAM=m
# end of Mapping drivers for chip access

#
# Self-contained MTD device drivers
#
CONFIG_MTD_PMC551=m
CONFIG_MTD_PMC551_BUGFIX=y
CONFIG_MTD_PMC551_DEBUG=y
CONFIG_MTD_DATAFLASH=m
# CONFIG_MTD_DATAFLASH_WRITE_VERIFY is not set
# CONFIG_MTD_DATAFLASH_OTP is not set
CONFIG_MTD_MCHP23K256=m
# CONFIG_MTD_MCHP48L640 is not set
CONFIG_MTD_SPEAR_SMI=m
CONFIG_MTD_SST25L=m
CONFIG_MTD_SLRAM=m
CONFIG_MTD_PHRAM=m
CONFIG_MTD_MTDRAM=m
CONFIG_MTDRAM_TOTAL_SIZE=4096
CONFIG_MTDRAM_ERASE_SIZE=128
CONFIG_MTD_BLOCK2MTD=m

#
# Disk-On-Chip Device Drivers
#
CONFIG_MTD_DOCG3=m
CONFIG_BCH_CONST_M=14
CONFIG_BCH_CONST_T=4
# end of Self-contained MTD device drivers

#
# NAND
#
CONFIG_MTD_NAND_CORE=m
CONFIG_MTD_ONENAND=m
# CONFIG_MTD_ONENAND_VERIFY_WRITE is not set
CONFIG_MTD_ONENAND_GENERIC=m
CONFIG_MTD_ONENAND_SAMSUNG=m
# CONFIG_MTD_ONENAND_OTP is not set
CONFIG_MTD_ONENAND_2X_PROGRAM=y
CONFIG_MTD_RAW_NAND=m

#
# Raw/parallel NAND flash controllers
#
CONFIG_MTD_NAND_DENALI=m
# CONFIG_MTD_NAND_DENALI_PCI is not set
CONFIG_MTD_NAND_DENALI_DT=m
CONFIG_MTD_NAND_AMS_DELTA=m
CONFIG_MTD_NAND_OMAP2=m
CONFIG_MTD_NAND_OMAP_BCH=y
CONFIG_MTD_NAND_OMAP_BCH_BUILD=m
# CONFIG_MTD_NAND_SHARPSL is not set
CONFIG_MTD_NAND_CAFE=m
CONFIG_MTD_NAND_ATMEL=m
CONFIG_MTD_NAND_MARVELL=m
# CONFIG_MTD_NAND_SLC_LPC32XX is not set
CONFIG_MTD_NAND_MLC_LPC32XX=m
CONFIG_MTD_NAND_BRCMNAND=m
CONFIG_MTD_NAND_OXNAS=m
CONFIG_MTD_NAND_GPMI_NAND=m
CONFIG_MTD_NAND_FSL_IFC=m
CONFIG_MTD_NAND_VF610_NFC=m
CONFIG_MTD_NAND_MXC=m
CONFIG_MTD_NAND_SH_FLCTL=m
CONFIG_MTD_NAND_DAVINCI=m
# CONFIG_MTD_NAND_TXX9NDFMC is not set
CONFIG_MTD_NAND_JZ4780=m
CONFIG_MTD_NAND_INGENIC_ECC=y
CONFIG_MTD_NAND_JZ4740_ECC=m
CONFIG_MTD_NAND_JZ4725B_BCH=m
CONFIG_MTD_NAND_JZ4780_BCH=m
# CONFIG_MTD_NAND_FSMC is not set
# CONFIG_MTD_NAND_SUNXI is not set
CONFIG_MTD_NAND_HISI504=m
CONFIG_MTD_NAND_QCOM=m
CONFIG_MTD_NAND_MXIC=m
CONFIG_MTD_NAND_TEGRA=m
# CONFIG_MTD_NAND_STM32_FMC2 is not set
CONFIG_MTD_NAND_MESON=m
CONFIG_MTD_NAND_GPIO=m
CONFIG_MTD_NAND_PLATFORM=m
CONFIG_MTD_NAND_CADENCE=m
CONFIG_MTD_NAND_ARASAN=m
# CONFIG_MTD_NAND_INTEL_LGM is not set
CONFIG_MTD_NAND_RENESAS=m

#
# Misc
#
CONFIG_MTD_SM_COMMON=m
CONFIG_MTD_NAND_NANDSIM=m
CONFIG_MTD_NAND_RICOH=m
CONFIG_MTD_NAND_DISKONCHIP=m
# CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADVANCED is not set
CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0
# CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE is not set
# CONFIG_MTD_SPI_NAND is not set

#
# ECC engine support
#
CONFIG_MTD_NAND_ECC=y
CONFIG_MTD_NAND_ECC_SW_HAMMING=y
# CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC is not set
CONFIG_MTD_NAND_ECC_SW_BCH=y
# CONFIG_MTD_NAND_ECC_MXIC is not set
# CONFIG_MTD_NAND_ECC_MEDIATEK is not set
# end of ECC engine support
# end of NAND

#
# LPDDR & LPDDR2 PCM memory drivers
#
CONFIG_MTD_LPDDR=m
CONFIG_MTD_QINFO_PROBE=m
# end of LPDDR & LPDDR2 PCM memory drivers

CONFIG_MTD_SPI_NOR=m
CONFIG_MTD_SPI_NOR_USE_4K_SECTORS=y
# CONFIG_MTD_SPI_NOR_SWP_DISABLE is not set
CONFIG_MTD_SPI_NOR_SWP_DISABLE_ON_VOLATILE=y
# CONFIG_MTD_SPI_NOR_SWP_KEEP is not set
CONFIG_SPI_HISI_SFC=m
CONFIG_SPI_NXP_SPIFI=m
CONFIG_MTD_UBI=m
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MTD_UBI_BEB_LIMIT=20
# CONFIG_MTD_UBI_FASTMAP is not set
CONFIG_MTD_UBI_GLUEBI=m
# CONFIG_MTD_UBI_BLOCK is not set
CONFIG_MTD_HYPERBUS=m
CONFIG_HBMC_AM654=m
CONFIG_DTC=y
CONFIG_OF=y
CONFIG_OF_UNITTEST=y
# CONFIG_OF_ALL_DTBS is not set
CONFIG_OF_FLATTREE=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_KOBJ=y
CONFIG_OF_DYNAMIC=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_IRQ=y
CONFIG_OF_RESERVED_MEM=y
CONFIG_OF_RESOLVE=y
# CONFIG_OF_OVERLAY is not set
CONFIG_OF_NUMA=y
# CONFIG_PARPORT is not set
CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_NULL_BLK=y
CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION=y
CONFIG_CDROM=m
# CONFIG_BLK_DEV_PCIESSD_MTIP32XX is not set
CONFIG_ZRAM=m
# CONFIG_ZRAM_DEF_COMP_LZORLE is not set
# CONFIG_ZRAM_DEF_COMP_ZSTD is not set
# CONFIG_ZRAM_DEF_COMP_LZ4 is not set
CONFIG_ZRAM_DEF_COMP_LZO=y
# CONFIG_ZRAM_DEF_COMP_LZ4HC is not set
# CONFIG_ZRAM_DEF_COMP_842 is not set
CONFIG_ZRAM_DEF_COMP="lzo"
# CONFIG_ZRAM_WRITEBACK is not set
CONFIG_ZRAM_MEMORY_TRACKING=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_LOOP_MIN_COUNT=8

#
# DRBD disabled because PROC_FS or INET not selected
#
CONFIG_BLK_DEV_SX8=m
# CONFIG_BLK_DEV_RAM is not set
# CONFIG_CDROM_PKTCDVD is not set
CONFIG_VIRTIO_BLK=m

#
# NVME Support
#
CONFIG_NVME_CORE=y
CONFIG_BLK_DEV_NVME=y
CONFIG_NVME_MULTIPATH=y
CONFIG_NVME_VERBOSE_ERRORS=y
# CONFIG_NVME_HWMON is not set
CONFIG_NVME_FABRICS=m
CONFIG_NVME_FC=m
# CONFIG_NVME_TARGET is not set
# end of NVME Support

#
# Misc devices
#
CONFIG_SENSORS_LIS3LV02D=m
CONFIG_AD525X_DPOT=y
# CONFIG_AD525X_DPOT_I2C is not set
CONFIG_AD525X_DPOT_SPI=y
CONFIG_DUMMY_IRQ=y
CONFIG_PHANTOM=m
# CONFIG_TIFM_CORE is not set
CONFIG_ICS932S401=y
CONFIG_ATMEL_SSC=m
CONFIG_ENCLOSURE_SERVICES=m
CONFIG_GEHC_ACHC=m
CONFIG_HP_ILO=y
# CONFIG_QCOM_COINCELL is not set
CONFIG_QCOM_FASTRPC=y
# CONFIG_APDS9802ALS is not set
CONFIG_ISL29003=y
# CONFIG_ISL29020 is not set
CONFIG_SENSORS_TSL2550=m
CONFIG_SENSORS_BH1770=y
# CONFIG_SENSORS_APDS990X is not set
CONFIG_HMC6352=m
CONFIG_DS1682=m
CONFIG_PCH_PHUB=y
CONFIG_LATTICE_ECP3_CONFIG=y
# CONFIG_SRAM is not set
CONFIG_DW_XDATA_PCIE=m
CONFIG_PCI_ENDPOINT_TEST=y
# CONFIG_XILINX_SDFEC is not set
CONFIG_MISC_RTSX=y
CONFIG_HISI_HIKEY_USB=m
# CONFIG_OPEN_DICE is not set
# CONFIG_C2PORT is not set

#
# EEPROM support
#
CONFIG_EEPROM_AT24=y
# CONFIG_EEPROM_AT25 is not set
# CONFIG_EEPROM_LEGACY is not set
CONFIG_EEPROM_MAX6875=y
CONFIG_EEPROM_93CX6=y
CONFIG_EEPROM_93XX46=m
# CONFIG_EEPROM_IDT_89HPESX is not set
CONFIG_EEPROM_EE1004=m
# end of EEPROM support

CONFIG_CB710_CORE=m
# CONFIG_CB710_DEBUG is not set
CONFIG_CB710_DEBUG_ASSUMPTIONS=y

#
# Texas Instruments shared transport line discipline
#
# end of Texas Instruments shared transport line discipline

CONFIG_SENSORS_LIS3_SPI=m
# CONFIG_SENSORS_LIS3_I2C is not set
CONFIG_ALTERA_STAPL=y
CONFIG_ECHO=y
CONFIG_BCM_VK=m
CONFIG_MISC_ALCOR_PCI=y
CONFIG_MISC_RTSX_PCI=m
CONFIG_MISC_RTSX_USB=y
# CONFIG_HABANA_AI is not set
CONFIG_UACCE=y
# CONFIG_PVPANIC is not set
# end of Misc devices

#
# SCSI device support
#
CONFIG_SCSI_MOD=y
CONFIG_RAID_ATTRS=y
CONFIG_SCSI_COMMON=y
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
CONFIG_SCSI_PROC_FS=y

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
CONFIG_BLK_DEV_SR=m
CONFIG_CHR_DEV_SG=y
CONFIG_BLK_DEV_BSG=y
CONFIG_CHR_DEV_SCH=y
CONFIG_SCSI_ENCLOSURE=m
# CONFIG_SCSI_CONSTANTS is not set
CONFIG_SCSI_LOGGING=y
# CONFIG_SCSI_SCAN_ASYNC is not set

#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
CONFIG_SCSI_SAS_ATTRS=y
CONFIG_SCSI_SAS_LIBSAS=y
CONFIG_SCSI_SAS_ATA=y
CONFIG_SCSI_SAS_HOST_SMP=y
# CONFIG_SCSI_SRP_ATTRS is not set
# end of SCSI Transports

CONFIG_SCSI_LOWLEVEL=y
CONFIG_ISCSI_BOOT_SYSFS=y
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_HPSA is not set
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_3W_SAS is not set
CONFIG_SCSI_ACARD=m
CONFIG_SCSI_AACRAID=y
CONFIG_SCSI_AIC7XXX=m
CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
CONFIG_AIC7XXX_RESET_DELAY_MS=5000
# CONFIG_AIC7XXX_BUILD_FIRMWARE is not set
CONFIG_AIC7XXX_DEBUG_ENABLE=y
CONFIG_AIC7XXX_DEBUG_MASK=0
# CONFIG_AIC7XXX_REG_PRETTY_PRINT is not set
CONFIG_SCSI_AIC79XX=y
CONFIG_AIC79XX_CMDS_PER_DEVICE=32
CONFIG_AIC79XX_RESET_DELAY_MS=5000
# CONFIG_AIC79XX_BUILD_FIRMWARE is not set
# CONFIG_AIC79XX_DEBUG_ENABLE is not set
CONFIG_AIC79XX_DEBUG_MASK=0
# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
CONFIG_SCSI_AIC94XX=m
# CONFIG_AIC94XX_DEBUG is not set
CONFIG_SCSI_HISI_SAS=y
# CONFIG_SCSI_HISI_SAS_DEBUGFS_DEFAULT_ENABLE is not set
CONFIG_SCSI_MVSAS=y
# CONFIG_SCSI_MVSAS_DEBUG is not set
CONFIG_SCSI_MVSAS_TASKLET=y
# CONFIG_SCSI_MVUMI is not set
CONFIG_SCSI_ADVANSYS=y
CONFIG_SCSI_ARCMSR=y
CONFIG_SCSI_ESAS2R=m
CONFIG_MEGARAID_NEWGEN=y
CONFIG_MEGARAID_MM=y
# CONFIG_MEGARAID_MAILBOX is not set
CONFIG_MEGARAID_LEGACY=y
# CONFIG_MEGARAID_SAS is not set
CONFIG_SCSI_MPT3SAS=y
CONFIG_SCSI_MPT2SAS_MAX_SGE=128
CONFIG_SCSI_MPT3SAS_MAX_SGE=128
CONFIG_SCSI_MPT2SAS=y
CONFIG_SCSI_MPI3MR=m
# CONFIG_SCSI_SMARTPQI is not set
CONFIG_SCSI_HPTIOP=m
# CONFIG_SCSI_MYRB is not set
CONFIG_SCSI_MYRS=y
CONFIG_SCSI_SNIC=m
# CONFIG_SCSI_SNIC_DEBUG_FS is not set
# CONFIG_SCSI_DMX3191D is not set
CONFIG_SCSI_FDOMAIN=y
CONFIG_SCSI_FDOMAIN_PCI=y
CONFIG_SCSI_IPS=y
# CONFIG_SCSI_INITIO is not set
CONFIG_SCSI_INIA100=y
# CONFIG_SCSI_STEX is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
CONFIG_SCSI_QLOGIC_1280=y
CONFIG_SCSI_DC395x=m
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_WD719X is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_PM8001 is not set
CONFIG_SCSI_VIRTIO=m
# CONFIG_SCSI_DH is not set
# end of SCSI device support

CONFIG_ATA=y
CONFIG_SATA_HOST=y
CONFIG_PATA_TIMINGS=y
# CONFIG_ATA_VERBOSE_ERROR is not set
# CONFIG_ATA_FORCE is not set
CONFIG_SATA_PMP=y

#
# Controllers with non-SFF native interface
#
CONFIG_SATA_AHCI=m
CONFIG_SATA_MOBILE_LPM_POLICY=0
CONFIG_SATA_AHCI_PLATFORM=m
# CONFIG_AHCI_BRCM is not set
CONFIG_AHCI_DA850=m
CONFIG_AHCI_DM816=m
# CONFIG_AHCI_IMX is not set
CONFIG_AHCI_CEVA=y
CONFIG_AHCI_MTK=y
CONFIG_AHCI_MVEBU=y
# CONFIG_AHCI_SUNXI is not set
# CONFIG_AHCI_TEGRA is not set
CONFIG_AHCI_XGENE=m
# CONFIG_AHCI_QORIQ is not set
# CONFIG_SATA_FSL is not set
# CONFIG_SATA_GEMINI is not set
CONFIG_SATA_AHCI_SEATTLE=m
# CONFIG_SATA_INIC162X is not set
CONFIG_SATA_ACARD_AHCI=m
# CONFIG_SATA_SIL24 is not set
CONFIG_ATA_SFF=y

#
# SFF controllers with custom DMA interface
#
CONFIG_PDC_ADMA=m
# CONFIG_SATA_QSTOR is not set
CONFIG_SATA_SX4=m
# CONFIG_ATA_BMDMA is not set

#
# PIO-only SFF controllers
#
# CONFIG_PATA_CMD640_PCI is not set
CONFIG_PATA_IXP4XX_CF=y
# CONFIG_PATA_MPIIX is not set
CONFIG_PATA_NS87410=y
CONFIG_PATA_OPTI=m
CONFIG_PATA_PLATFORM=y
CONFIG_PATA_OF_PLATFORM=m
# CONFIG_PATA_RZ1000 is not set
CONFIG_PATA_SAMSUNG_CF=y

#
# Generic fallback / legacy drivers
#
CONFIG_PATA_LEGACY=m
CONFIG_MD=y
# CONFIG_BLK_DEV_MD is not set
CONFIG_BCACHE=y
CONFIG_BCACHE_DEBUG=y
# CONFIG_BCACHE_CLOSURES_DEBUG is not set
# CONFIG_BCACHE_ASYNC_REGISTRATION is not set
# CONFIG_BLK_DEV_DM is not set
CONFIG_TARGET_CORE=y
CONFIG_TCM_IBLOCK=y
CONFIG_TCM_FILEIO=y
# CONFIG_TCM_PSCSI is not set
CONFIG_LOOPBACK_TARGET=y
CONFIG_FUSION=y
CONFIG_FUSION_SPI=y
CONFIG_FUSION_SAS=y
CONFIG_FUSION_MAX_SGE=128
CONFIG_FUSION_CTL=m
# CONFIG_FUSION_LOGGING is not set

#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
CONFIG_FIREWIRE_NOSY=m
# end of IEEE 1394 (FireWire) support

#
# Input device support
#
CONFIG_INPUT=m
CONFIG_INPUT_LEDS=m
CONFIG_INPUT_FF_MEMLESS=m
CONFIG_INPUT_SPARSEKMAP=m
CONFIG_INPUT_MATRIXKMAP=m
CONFIG_INPUT_VIVALDIFMAP=m

#
# Userland interfaces
#
# CONFIG_INPUT_MOUSEDEV is not set
CONFIG_INPUT_JOYDEV=m
CONFIG_INPUT_EVDEV=m
CONFIG_INPUT_EVBUG=m

#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ADC=m
# CONFIG_KEYBOARD_ADP5520 is not set
# CONFIG_KEYBOARD_ADP5588 is not set
CONFIG_KEYBOARD_ADP5589=m
CONFIG_KEYBOARD_ATKBD=m
CONFIG_KEYBOARD_QT1050=m
CONFIG_KEYBOARD_QT1070=m
CONFIG_KEYBOARD_QT2160=m
CONFIG_KEYBOARD_CLPS711X=m
# CONFIG_KEYBOARD_DLINK_DIR685 is not set
CONFIG_KEYBOARD_LKKBD=m
# CONFIG_KEYBOARD_EP93XX is not set
CONFIG_KEYBOARD_GPIO=m
# CONFIG_KEYBOARD_GPIO_POLLED is not set
CONFIG_KEYBOARD_TCA6416=m
CONFIG_KEYBOARD_TCA8418=m
CONFIG_KEYBOARD_MATRIX=m
# CONFIG_KEYBOARD_LM8323 is not set
CONFIG_KEYBOARD_LM8333=m
CONFIG_KEYBOARD_MAX7359=m
# CONFIG_KEYBOARD_MCS is not set
CONFIG_KEYBOARD_MPR121=m
CONFIG_KEYBOARD_SNVS_PWRKEY=m
CONFIG_KEYBOARD_IMX=m
CONFIG_KEYBOARD_NEWTON=m
# CONFIG_KEYBOARD_OPENCORES is not set
CONFIG_KEYBOARD_PMIC8XXX=m
# CONFIG_KEYBOARD_SAMSUNG is not set
# CONFIG_KEYBOARD_GOLDFISH_EVENTS is not set
CONFIG_KEYBOARD_STOWAWAY=m
# CONFIG_KEYBOARD_ST_KEYSCAN is not set
CONFIG_KEYBOARD_SUNKBD=m
CONFIG_KEYBOARD_SH_KEYSC=m
CONFIG_KEYBOARD_STMPE=m
# CONFIG_KEYBOARD_OMAP4 is not set
# CONFIG_KEYBOARD_TC3589X is not set
CONFIG_KEYBOARD_TM2_TOUCHKEY=m
CONFIG_KEYBOARD_TWL4030=m
CONFIG_KEYBOARD_XTKBD=m
CONFIG_KEYBOARD_CAP11XX=m
CONFIG_KEYBOARD_BCM=m
CONFIG_KEYBOARD_MT6779=m
# CONFIG_KEYBOARD_MTK_PMIC is not set
# CONFIG_KEYBOARD_CYPRESS_SF is not set
# CONFIG_INPUT_MOUSE is not set
CONFIG_INPUT_JOYSTICK=y
CONFIG_JOYSTICK_ANALOG=m
# CONFIG_JOYSTICK_A3D is not set
CONFIG_JOYSTICK_ADC=m
# CONFIG_JOYSTICK_ADI is not set
CONFIG_JOYSTICK_COBRA=m
CONFIG_JOYSTICK_GF2K=m
# CONFIG_JOYSTICK_GRIP is not set
CONFIG_JOYSTICK_GRIP_MP=m
# CONFIG_JOYSTICK_GUILLEMOT is not set
CONFIG_JOYSTICK_INTERACT=m
CONFIG_JOYSTICK_SIDEWINDER=m
# CONFIG_JOYSTICK_TMDC is not set
CONFIG_JOYSTICK_IFORCE=m
CONFIG_JOYSTICK_IFORCE_USB=m
CONFIG_JOYSTICK_IFORCE_232=m
CONFIG_JOYSTICK_WARRIOR=m
# CONFIG_JOYSTICK_MAGELLAN is not set
# CONFIG_JOYSTICK_SPACEORB is not set
# CONFIG_JOYSTICK_SPACEBALL is not set
CONFIG_JOYSTICK_STINGER=m
# CONFIG_JOYSTICK_TWIDJOY is not set
CONFIG_JOYSTICK_ZHENHUA=m
CONFIG_JOYSTICK_AS5011=m
# CONFIG_JOYSTICK_JOYDUMP is not set
CONFIG_JOYSTICK_XPAD=m
CONFIG_JOYSTICK_XPAD_FF=y
CONFIG_JOYSTICK_XPAD_LEDS=y
# CONFIG_JOYSTICK_PSXPAD_SPI is not set
CONFIG_JOYSTICK_PXRC=m
# CONFIG_JOYSTICK_QWIIC is not set
CONFIG_JOYSTICK_FSIA6B=m
CONFIG_JOYSTICK_SENSEHAT=m
# CONFIG_INPUT_TABLET is not set
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_ADS7846 is not set
CONFIG_TOUCHSCREEN_AD7877=m
CONFIG_TOUCHSCREEN_AD7879=m
CONFIG_TOUCHSCREEN_AD7879_I2C=m
CONFIG_TOUCHSCREEN_AD7879_SPI=m
CONFIG_TOUCHSCREEN_ADC=m
CONFIG_TOUCHSCREEN_AR1021_I2C=m
CONFIG_TOUCHSCREEN_ATMEL_MXT=m
CONFIG_TOUCHSCREEN_AUO_PIXCIR=m
CONFIG_TOUCHSCREEN_BU21013=m
CONFIG_TOUCHSCREEN_BU21029=m
CONFIG_TOUCHSCREEN_CHIPONE_ICN8318=m
CONFIG_TOUCHSCREEN_CY8CTMA140=m
CONFIG_TOUCHSCREEN_CY8CTMG110=m
# CONFIG_TOUCHSCREEN_CYTTSP_CORE is not set
CONFIG_TOUCHSCREEN_CYTTSP4_CORE=m
CONFIG_TOUCHSCREEN_CYTTSP4_I2C=m
CONFIG_TOUCHSCREEN_CYTTSP4_SPI=m
CONFIG_TOUCHSCREEN_DA9052=m
# CONFIG_TOUCHSCREEN_DYNAPRO is not set
CONFIG_TOUCHSCREEN_HAMPSHIRE=m
# CONFIG_TOUCHSCREEN_EETI is not set
CONFIG_TOUCHSCREEN_EGALAX=m
CONFIG_TOUCHSCREEN_EGALAX_SERIAL=m
CONFIG_TOUCHSCREEN_EXC3000=m
CONFIG_TOUCHSCREEN_FUJITSU=m
CONFIG_TOUCHSCREEN_GOODIX=m
# CONFIG_TOUCHSCREEN_HIDEEP is not set
# CONFIG_TOUCHSCREEN_HYCON_HY46XX is not set
# CONFIG_TOUCHSCREEN_ILI210X is not set
CONFIG_TOUCHSCREEN_ILITEK=m
CONFIG_TOUCHSCREEN_IPROC=m
# CONFIG_TOUCHSCREEN_S6SY761 is not set
CONFIG_TOUCHSCREEN_GUNZE=m
CONFIG_TOUCHSCREEN_EKTF2127=m
CONFIG_TOUCHSCREEN_ELAN=m
# CONFIG_TOUCHSCREEN_ELO is not set
CONFIG_TOUCHSCREEN_WACOM_W8001=m
CONFIG_TOUCHSCREEN_WACOM_I2C=m
CONFIG_TOUCHSCREEN_MAX11801=m
# CONFIG_TOUCHSCREEN_MCS5000 is not set
CONFIG_TOUCHSCREEN_MMS114=m
# CONFIG_TOUCHSCREEN_MELFAS_MIP4 is not set
CONFIG_TOUCHSCREEN_MSG2638=m
CONFIG_TOUCHSCREEN_MTOUCH=m
# CONFIG_TOUCHSCREEN_IMAGIS is not set
CONFIG_TOUCHSCREEN_IMX6UL_TSC=m
CONFIG_TOUCHSCREEN_INEXIO=m
CONFIG_TOUCHSCREEN_MK712=m
CONFIG_TOUCHSCREEN_PENMOUNT=m
CONFIG_TOUCHSCREEN_EDT_FT5X06=m
CONFIG_TOUCHSCREEN_RASPBERRYPI_FW=m
CONFIG_TOUCHSCREEN_MIGOR=m
# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
CONFIG_TOUCHSCREEN_TOUCHWIN=m
# CONFIG_TOUCHSCREEN_TI_AM335X_TSC is not set
# CONFIG_TOUCHSCREEN_UCB1400 is not set
CONFIG_TOUCHSCREEN_PIXCIR=m
CONFIG_TOUCHSCREEN_WDT87XX_I2C=m
# CONFIG_TOUCHSCREEN_WM831X is not set
CONFIG_TOUCHSCREEN_WM97XX=m
CONFIG_TOUCHSCREEN_WM9705=y
# CONFIG_TOUCHSCREEN_WM9712 is not set
CONFIG_TOUCHSCREEN_WM9713=y
CONFIG_TOUCHSCREEN_USB_COMPOSITE=m
CONFIG_TOUCHSCREEN_MXS_LRADC=m
# CONFIG_TOUCHSCREEN_MC13783 is not set
CONFIG_TOUCHSCREEN_USB_EGALAX=y
# CONFIG_TOUCHSCREEN_USB_PANJIT is not set
# CONFIG_TOUCHSCREEN_USB_3M is not set
# CONFIG_TOUCHSCREEN_USB_ITM is not set
# CONFIG_TOUCHSCREEN_USB_ETURBO is not set
# CONFIG_TOUCHSCREEN_USB_GUNZE is not set
# CONFIG_TOUCHSCREEN_USB_DMC_TSC10 is not set
CONFIG_TOUCHSCREEN_USB_IRTOUCH=y
CONFIG_TOUCHSCREEN_USB_IDEALTEK=y
CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH=y
# CONFIG_TOUCHSCREEN_USB_GOTOP is not set
CONFIG_TOUCHSCREEN_USB_JASTEC=y
# CONFIG_TOUCHSCREEN_USB_ELO is not set
# CONFIG_TOUCHSCREEN_USB_E2I is not set
# CONFIG_TOUCHSCREEN_USB_ZYTRONIC is not set
CONFIG_TOUCHSCREEN_USB_ETT_TC45USB=y
CONFIG_TOUCHSCREEN_USB_NEXIO=y
# CONFIG_TOUCHSCREEN_USB_EASYTOUCH is not set
CONFIG_TOUCHSCREEN_TOUCHIT213=m
# CONFIG_TOUCHSCREEN_TS4800 is not set
CONFIG_TOUCHSCREEN_TSC_SERIO=m
# CONFIG_TOUCHSCREEN_TSC2004 is not set
# CONFIG_TOUCHSCREEN_TSC2005 is not set
# CONFIG_TOUCHSCREEN_TSC2007 is not set
CONFIG_TOUCHSCREEN_PCAP=m
CONFIG_TOUCHSCREEN_RM_TS=m
CONFIG_TOUCHSCREEN_SILEAD=m
# CONFIG_TOUCHSCREEN_SIS_I2C is not set
# CONFIG_TOUCHSCREEN_ST1232 is not set
CONFIG_TOUCHSCREEN_STMFTS=m
CONFIG_TOUCHSCREEN_STMPE=m
CONFIG_TOUCHSCREEN_SUN4I=m
CONFIG_TOUCHSCREEN_SURFACE3_SPI=m
# CONFIG_TOUCHSCREEN_SX8654 is not set
# CONFIG_TOUCHSCREEN_TPS6507X is not set
# CONFIG_TOUCHSCREEN_ZET6223 is not set
# CONFIG_TOUCHSCREEN_ZFORCE is not set
CONFIG_TOUCHSCREEN_COLIBRI_VF50=m
# CONFIG_TOUCHSCREEN_ROHM_BU21023 is not set
CONFIG_TOUCHSCREEN_IQS5XX=m
# CONFIG_TOUCHSCREEN_ZINITIX is not set
CONFIG_INPUT_MISC=y
CONFIG_INPUT_88PM80X_ONKEY=m
# CONFIG_INPUT_AD714X is not set
CONFIG_INPUT_ARIEL_PWRBUTTON=m
# CONFIG_INPUT_ATMEL_CAPTOUCH is not set
CONFIG_INPUT_BMA150=m
CONFIG_INPUT_E3X0_BUTTON=m
CONFIG_INPUT_PM8XXX_VIBRATOR=m
CONFIG_INPUT_PMIC8XXX_PWRKEY=m
CONFIG_INPUT_MAX77650_ONKEY=m
CONFIG_INPUT_MAX77693_HAPTIC=m
# CONFIG_INPUT_MAX8925_ONKEY is not set
CONFIG_INPUT_MC13783_PWRBUTTON=m
CONFIG_INPUT_MMA8450=m
CONFIG_INPUT_GPIO_BEEPER=m
CONFIG_INPUT_GPIO_DECODER=m
CONFIG_INPUT_GPIO_VIBRA=m
CONFIG_INPUT_CPCAP_PWRBUTTON=m
# CONFIG_INPUT_ATI_REMOTE2 is not set
CONFIG_INPUT_KEYSPAN_REMOTE=m
CONFIG_INPUT_KXTJ9=m
# CONFIG_INPUT_POWERMATE is not set
CONFIG_INPUT_YEALINK=m
CONFIG_INPUT_CM109=m
CONFIG_INPUT_REGULATOR_HAPTIC=m
CONFIG_INPUT_RETU_PWRBUTTON=m
CONFIG_INPUT_TPS65218_PWRBUTTON=m
CONFIG_INPUT_AXP20X_PEK=m
# CONFIG_INPUT_TWL4030_PWRBUTTON is not set
# CONFIG_INPUT_TWL4030_VIBRA is not set
CONFIG_INPUT_UINPUT=m
CONFIG_INPUT_PCF50633_PMU=m
CONFIG_INPUT_PCF8574=m
CONFIG_INPUT_PWM_BEEPER=m
# CONFIG_INPUT_PWM_VIBRA is not set
CONFIG_INPUT_RK805_PWRKEY=m
CONFIG_INPUT_GPIO_ROTARY_ENCODER=m
CONFIG_INPUT_DA7280_HAPTICS=m
CONFIG_INPUT_DA9052_ONKEY=m
CONFIG_INPUT_DA9063_ONKEY=m
# CONFIG_INPUT_WM831X_ON is not set
# CONFIG_INPUT_PCAP is not set
CONFIG_INPUT_ADXL34X=m
CONFIG_INPUT_ADXL34X_I2C=m
CONFIG_INPUT_ADXL34X_SPI=m
CONFIG_INPUT_IMS_PCU=m
CONFIG_INPUT_IQS269A=m
# CONFIG_INPUT_IQS626A is not set
CONFIG_INPUT_IQS7222=m
CONFIG_INPUT_CMA3000=m
CONFIG_INPUT_CMA3000_I2C=m
CONFIG_INPUT_DRV260X_HAPTICS=m
CONFIG_INPUT_DRV2665_HAPTICS=m
# CONFIG_INPUT_DRV2667_HAPTICS is not set
CONFIG_INPUT_HISI_POWERKEY=m
CONFIG_INPUT_SC27XX_VIBRA=m
CONFIG_INPUT_STPMIC1_ONKEY=m
CONFIG_RMI4_CORE=m
CONFIG_RMI4_I2C=m
# CONFIG_RMI4_SPI is not set
CONFIG_RMI4_SMB=m
# CONFIG_RMI4_F03 is not set
CONFIG_RMI4_2D_SENSOR=y
CONFIG_RMI4_F11=y
CONFIG_RMI4_F12=y
# CONFIG_RMI4_F30 is not set
# CONFIG_RMI4_F34 is not set
# CONFIG_RMI4_F3A is not set
CONFIG_RMI4_F55=y

#
# Hardware I/O ports
#
CONFIG_SERIO=m
CONFIG_SERIO_PCIPS2=m
CONFIG_SERIO_LIBPS2=m
CONFIG_SERIO_RAW=m
CONFIG_SERIO_ALTERA_PS2=m
CONFIG_SERIO_PS2MULT=m
CONFIG_SERIO_ARC_PS2=m
CONFIG_SERIO_APBPS2=m
CONFIG_SERIO_OLPC_APSP=m
# CONFIG_SERIO_SUN4I_PS2 is not set
CONFIG_SERIO_GPIO_PS2=m
CONFIG_USERIO=m
CONFIG_GAMEPORT=y
# CONFIG_GAMEPORT_NS558 is not set
# CONFIG_GAMEPORT_L4 is not set
# CONFIG_GAMEPORT_EMU10K1 is not set
# CONFIG_GAMEPORT_FM801 is not set
# end of Hardware I/O ports
# end of Input device support

#
# Character devices
#
# CONFIG_TTY is not set
# CONFIG_SERIAL_DEV_BUS is not set
CONFIG_IPMI_HANDLER=m
CONFIG_IPMI_PLAT_DATA=y
CONFIG_IPMI_PANIC_EVENT=y
# CONFIG_IPMI_PANIC_STRING is not set
CONFIG_IPMI_DEVICE_INTERFACE=m
CONFIG_IPMI_SI=m
# CONFIG_IPMI_SSIF is not set
# CONFIG_IPMI_IPMB is not set
# CONFIG_IPMI_WATCHDOG is not set
CONFIG_IPMI_POWEROFF=m
CONFIG_IPMI_KCS_BMC=y
CONFIG_ASPEED_KCS_IPMI_BMC=y
CONFIG_NPCM7XX_KCS_IPMI_BMC=y
CONFIG_IPMI_KCS_BMC_CDEV_IPMI=y
CONFIG_IPMI_KCS_BMC_SERIO=m
CONFIG_ASPEED_BT_IPMI_BMC=y
# CONFIG_IPMB_DEVICE_INTERFACE is not set
CONFIG_HW_RANDOM=y
# CONFIG_HW_RANDOM_TIMERIOMEM is not set
CONFIG_HW_RANDOM_ATMEL=m
# CONFIG_HW_RANDOM_BA431 is not set
CONFIG_HW_RANDOM_BCM2835=y
# CONFIG_HW_RANDOM_IPROC_RNG200 is not set
CONFIG_HW_RANDOM_IXP4XX=m
CONFIG_HW_RANDOM_OMAP=y
CONFIG_HW_RANDOM_OMAP3_ROM=y
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_HW_RANDOM_IMX_RNGC=y
# CONFIG_HW_RANDOM_NOMADIK is not set
CONFIG_HW_RANDOM_STM32=m
# CONFIG_HW_RANDOM_MESON is not set
CONFIG_HW_RANDOM_MTK=m
CONFIG_HW_RANDOM_EXYNOS=y
CONFIG_HW_RANDOM_NPCM=m
CONFIG_HW_RANDOM_KEYSTONE=y
CONFIG_HW_RANDOM_CCTRNG=y
CONFIG_HW_RANDOM_XIPHERA=m
# CONFIG_APPLICOM is not set
# CONFIG_DEVMEM is not set
# CONFIG_DEVPORT is not set
CONFIG_TCG_TPM=m
CONFIG_HW_RANDOM_TPM=y
# CONFIG_TCG_TIS is not set
# CONFIG_TCG_TIS_SPI is not set
# CONFIG_TCG_TIS_SYNQUACER is not set
# CONFIG_TCG_TIS_I2C_CR50 is not set
CONFIG_TCG_TIS_I2C_ATMEL=m
CONFIG_TCG_TIS_I2C_INFINEON=m
CONFIG_TCG_TIS_I2C_NUVOTON=m
CONFIG_TCG_ATMEL=m
CONFIG_TCG_VTPM_PROXY=m
CONFIG_TCG_TIS_ST33ZP24=m
CONFIG_TCG_TIS_ST33ZP24_I2C=m
CONFIG_TCG_TIS_ST33ZP24_SPI=m
CONFIG_XILLYBUS_CLASS=m
# CONFIG_XILLYBUS is not set
CONFIG_XILLYUSB=m
# CONFIG_RANDOM_TRUST_BOOTLOADER is not set
# end of Character devices

#
# I2C support
#
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
# CONFIG_I2C_COMPAT is not set
# CONFIG_I2C_CHARDEV is not set
CONFIG_I2C_MUX=y

#
# Multiplexer I2C Chip support
#
CONFIG_I2C_ARB_GPIO_CHALLENGE=m
# CONFIG_I2C_MUX_GPIO is not set
CONFIG_I2C_MUX_GPMUX=m
# CONFIG_I2C_MUX_LTC4306 is not set
# CONFIG_I2C_MUX_PCA9541 is not set
CONFIG_I2C_MUX_PCA954x=y
CONFIG_I2C_MUX_PINCTRL=y
CONFIG_I2C_MUX_REG=y
CONFIG_I2C_DEMUX_PINCTRL=y
CONFIG_I2C_MUX_MLXCPLD=y
# end of Multiplexer I2C Chip support

# CONFIG_I2C_HELPER_AUTO is not set
CONFIG_I2C_SMBUS=y

#
# I2C Algorithms
#
CONFIG_I2C_ALGOBIT=y
CONFIG_I2C_ALGOPCF=m
CONFIG_I2C_ALGOPCA=m
# end of I2C Algorithms

#
# I2C Hardware Bus support
#

#
# PC SMBus host controller drivers
#
CONFIG_I2C_CCGX_UCSI=y
CONFIG_I2C_ALI1535=y
CONFIG_I2C_ALI1563=m
CONFIG_I2C_ALI15X3=m
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
CONFIG_I2C_HIX5HD2=y
CONFIG_I2C_I801=m
CONFIG_I2C_ISCH=m
CONFIG_I2C_PIIX4=y
# CONFIG_I2C_NFORCE2 is not set
CONFIG_I2C_NVIDIA_GPU=y
CONFIG_I2C_SIS5595=y
CONFIG_I2C_SIS630=y
# CONFIG_I2C_SIS96X is not set
CONFIG_I2C_VIA=m
CONFIG_I2C_VIAPRO=y

#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
CONFIG_I2C_ALTERA=m
CONFIG_I2C_ASPEED=y
CONFIG_I2C_AT91=y
# CONFIG_I2C_AT91_SLAVE_EXPERIMENTAL is not set
# CONFIG_I2C_AXXIA is not set
CONFIG_I2C_BCM2835=y
CONFIG_I2C_BCM_IPROC=y
CONFIG_I2C_BCM_KONA=m
CONFIG_I2C_BRCMSTB=y
CONFIG_I2C_CADENCE=m
CONFIG_I2C_CBUS_GPIO=m
# CONFIG_I2C_DAVINCI is not set
CONFIG_I2C_DESIGNWARE_CORE=y
# CONFIG_I2C_DESIGNWARE_SLAVE is not set
CONFIG_I2C_DESIGNWARE_PLATFORM=y
CONFIG_I2C_DESIGNWARE_PCI=y
CONFIG_I2C_DIGICOLOR=y
# CONFIG_I2C_EG20T is not set
CONFIG_I2C_EMEV2=m
CONFIG_I2C_EXYNOS5=y
CONFIG_I2C_GPIO=m
# CONFIG_I2C_GPIO_FAULT_INJECTOR is not set
# CONFIG_I2C_HIGHLANDER is not set
CONFIG_I2C_HISI=m
# CONFIG_I2C_IMG is not set
# CONFIG_I2C_IMX is not set
# CONFIG_I2C_IMX_LPI2C is not set
CONFIG_I2C_IOP3XX=y
CONFIG_I2C_JZ4780=y
# CONFIG_I2C_KEMPLD is not set
CONFIG_I2C_LPC2K=m
CONFIG_I2C_MESON=y
# CONFIG_I2C_MT65XX is not set
CONFIG_I2C_MT7621=m
CONFIG_I2C_MV64XXX=m
CONFIG_I2C_MXS=m
# CONFIG_I2C_NPCM7XX is not set
# CONFIG_I2C_OCORES is not set
CONFIG_I2C_OMAP=y
# CONFIG_I2C_OWL is not set
CONFIG_I2C_APPLE=m
CONFIG_I2C_PCA_PLATFORM=m
CONFIG_I2C_PNX=m
CONFIG_I2C_PXA=m
CONFIG_I2C_PXA_SLAVE=y
CONFIG_I2C_QCOM_CCI=m
CONFIG_I2C_QCOM_GENI=m
CONFIG_I2C_QUP=m
# CONFIG_I2C_RIIC is not set
# CONFIG_I2C_RK3X is not set
CONFIG_I2C_S3C2410=y
CONFIG_I2C_SH_MOBILE=y
CONFIG_I2C_SIMTEC=y
# CONFIG_I2C_SPRD is not set
CONFIG_I2C_ST=y
CONFIG_I2C_STM32F4=m
CONFIG_I2C_STM32F7=m
# CONFIG_I2C_SUN6I_P2WI is not set
CONFIG_I2C_SYNQUACER=y
# CONFIG_I2C_TEGRA is not set
CONFIG_I2C_TEGRA_BPMP=m
CONFIG_I2C_UNIPHIER=y
# CONFIG_I2C_UNIPHIER_F is not set
CONFIG_I2C_VERSATILE=y
# CONFIG_I2C_WMT is not set
CONFIG_I2C_XILINX=m
CONFIG_I2C_XLP9XX=m
CONFIG_I2C_RCAR=m

#
# External I2C/SMBus adapter drivers
#
# CONFIG_I2C_DIOLAN_U2C is not set
# CONFIG_I2C_CP2615 is not set
CONFIG_I2C_ROBOTFUZZ_OSIF=m
CONFIG_I2C_TINY_USB=m
CONFIG_I2C_VIPERBOARD=m

#
# Other I2C/SMBus bus drivers
#
CONFIG_I2C_MLXCPLD=y
CONFIG_I2C_FSI=m
CONFIG_I2C_VIRTIO=y
# end of I2C Hardware Bus support

CONFIG_I2C_STUB=m
CONFIG_I2C_SLAVE=y
CONFIG_I2C_SLAVE_EEPROM=y
CONFIG_I2C_SLAVE_TESTUNIT=y
CONFIG_I2C_DEBUG_CORE=y
CONFIG_I2C_DEBUG_ALGO=y
# CONFIG_I2C_DEBUG_BUS is not set
# end of I2C support

# CONFIG_I3C is not set
CONFIG_SPI=y
CONFIG_SPI_DEBUG=y
CONFIG_SPI_MASTER=y
CONFIG_SPI_MEM=y

#
# SPI Master Controller Drivers
#
CONFIG_SPI_ALTERA=y
CONFIG_SPI_ALTERA_CORE=y
CONFIG_SPI_ALTERA_DFL=m
CONFIG_SPI_AR934X=y
# CONFIG_SPI_ATH79 is not set
# CONFIG_SPI_ARMADA_3700 is not set
CONFIG_SPI_ASPEED_SMC=y
CONFIG_SPI_ATMEL=m
# CONFIG_SPI_ATMEL_QUADSPI is not set
CONFIG_SPI_AXI_SPI_ENGINE=m
# CONFIG_SPI_BCM2835 is not set
CONFIG_SPI_BCM2835AUX=y
# CONFIG_SPI_BCM63XX is not set
CONFIG_SPI_BCM63XX_HSSPI=m
# CONFIG_SPI_BCM_QSPI is not set
CONFIG_SPI_BITBANG=y
CONFIG_SPI_CADENCE=m
# CONFIG_SPI_CADENCE_QUADSPI is not set
CONFIG_SPI_CADENCE_XSPI=y
# CONFIG_SPI_CLPS711X is not set
# CONFIG_SPI_DESIGNWARE is not set
CONFIG_SPI_EP93XX=y
CONFIG_SPI_FSI=m
# CONFIG_SPI_FSL_LPSPI is not set
CONFIG_SPI_FSL_QUADSPI=y
CONFIG_SPI_HISI_KUNPENG=y
CONFIG_SPI_HISI_SFC_V3XX=m
CONFIG_SPI_NXP_FLEXSPI=y
# CONFIG_SPI_GPIO is not set
CONFIG_SPI_IMG_SPFI=m
# CONFIG_SPI_IMX is not set
CONFIG_SPI_INGENIC=y
CONFIG_SPI_INTEL=y
CONFIG_SPI_INTEL_PCI=y
# CONFIG_SPI_INTEL_PLATFORM is not set
# CONFIG_SPI_JCORE is not set
CONFIG_SPI_LP8841_RTC=m
CONFIG_SPI_FSL_LIB=m
CONFIG_SPI_FSL_SPI=m
CONFIG_SPI_FSL_DSPI=y
CONFIG_SPI_MESON_SPICC=m
CONFIG_SPI_MESON_SPIFC=y
# CONFIG_SPI_MT65XX is not set
CONFIG_SPI_MT7621=y
# CONFIG_SPI_MTK_NOR is not set
CONFIG_SPI_NPCM_FIU=m
CONFIG_SPI_NPCM_PSPI=y
# CONFIG_SPI_LANTIQ_SSC is not set
# CONFIG_SPI_OC_TINY is not set
# CONFIG_SPI_OMAP24XX is not set
CONFIG_SPI_TI_QSPI=y
# CONFIG_SPI_OMAP_100K is not set
CONFIG_SPI_ORION=m
CONFIG_SPI_PIC32=m
CONFIG_SPI_PIC32_SQI=y
CONFIG_SPI_PXA2XX=y
CONFIG_SPI_PXA2XX_PCI=y
CONFIG_SPI_ROCKCHIP=y
CONFIG_SPI_ROCKCHIP_SFC=y
CONFIG_SPI_RSPI=y
# CONFIG_SPI_QUP is not set
# CONFIG_SPI_QCOM_GENI is not set
CONFIG_SPI_S3C64XX=m
CONFIG_SPI_SC18IS602=m
CONFIG_SPI_SH_MSIOF=y
CONFIG_SPI_SH=m
CONFIG_SPI_SH_HSPI=m
CONFIG_SPI_SIFIVE=m
CONFIG_SPI_SLAVE_MT27XX=y
CONFIG_SPI_SPRD=m
# CONFIG_SPI_SPRD_ADI is not set
CONFIG_SPI_STM32=m
# CONFIG_SPI_STM32_QSPI is not set
CONFIG_SPI_ST_SSC4=y
CONFIG_SPI_SUN4I=m
CONFIG_SPI_SUN6I=y
CONFIG_SPI_SUNPLUS_SP7021=m
CONFIG_SPI_SYNQUACER=m
CONFIG_SPI_MXIC=y
# CONFIG_SPI_TEGRA210_QUAD is not set
CONFIG_SPI_TEGRA114=y
# CONFIG_SPI_TEGRA20_SFLASH is not set
CONFIG_SPI_TEGRA20_SLINK=m
# CONFIG_SPI_TOPCLIFF_PCH is not set
CONFIG_SPI_UNIPHIER=y
# CONFIG_SPI_XCOMM is not set
CONFIG_SPI_XILINX=y
CONFIG_SPI_XLP=m
CONFIG_SPI_XTENSA_XTFPGA=y
CONFIG_SPI_ZYNQ_QSPI=y
# CONFIG_SPI_ZYNQMP_GQSPI is not set
# CONFIG_SPI_AMD is not set

#
# SPI Multiplexer support
#
# CONFIG_SPI_MUX is not set

#
# SPI Protocol Masters
#
# CONFIG_SPI_SPIDEV is not set
CONFIG_SPI_LOOPBACK_TEST=m
# CONFIG_SPI_TLE62X0 is not set
CONFIG_SPI_SLAVE=y
# CONFIG_SPI_SLAVE_TIME is not set
# CONFIG_SPI_SLAVE_SYSTEM_CONTROL is not set
CONFIG_SPI_DYNAMIC=y
# CONFIG_SPMI is not set
CONFIG_HSI=y
CONFIG_HSI_BOARDINFO=y

#
# HSI controllers
#

#
# HSI clients
#
CONFIG_HSI_CHAR=m
CONFIG_PPS=y
CONFIG_PPS_DEBUG=y

#
# PPS clients support
#
CONFIG_PPS_CLIENT_KTIMER=y
CONFIG_PPS_CLIENT_GPIO=m

#
# PPS generators support
#

#
# PTP clock support
#
CONFIG_PTP_1588_CLOCK_OPTIONAL=y

#
# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks.
#
# end of PTP clock support

CONFIG_PINCTRL=y
CONFIG_GENERIC_PINCTRL_GROUPS=y
CONFIG_PINMUX=y
CONFIG_GENERIC_PINMUX_FUNCTIONS=y
CONFIG_PINCONF=y
CONFIG_GENERIC_PINCONF=y
# CONFIG_DEBUG_PINCTRL is not set
# CONFIG_PINCTRL_AMD is not set
CONFIG_PINCTRL_AS3722=m
CONFIG_PINCTRL_AT91PIO4=y
CONFIG_PINCTRL_AXP209=m
CONFIG_PINCTRL_BM1880=y
CONFIG_PINCTRL_DA850_PUPD=y
# CONFIG_PINCTRL_DA9062 is not set
CONFIG_PINCTRL_EQUILIBRIUM=m
# CONFIG_PINCTRL_INGENIC is not set
CONFIG_PINCTRL_LPC18XX=y
CONFIG_PINCTRL_MCP23S08_I2C=y
CONFIG_PINCTRL_MCP23S08_SPI=y
CONFIG_PINCTRL_MCP23S08=y
CONFIG_PINCTRL_MICROCHIP_SGPIO=y
# CONFIG_PINCTRL_OCELOT is not set
# CONFIG_PINCTRL_PISTACHIO is not set
# CONFIG_PINCTRL_RK805 is not set
# CONFIG_PINCTRL_ROCKCHIP is not set
# CONFIG_PINCTRL_SINGLE is not set
# CONFIG_PINCTRL_STARFIVE is not set
# CONFIG_PINCTRL_STMFX is not set
# CONFIG_PINCTRL_SX150X is not set
# CONFIG_PINCTRL_OWL is not set
CONFIG_PINCTRL_ASPEED=y
CONFIG_PINCTRL_ASPEED_G4=y
CONFIG_PINCTRL_ASPEED_G5=y
# CONFIG_PINCTRL_ASPEED_G6 is not set
CONFIG_PINCTRL_BCM281XX=y
CONFIG_PINCTRL_BCM2835=y
CONFIG_PINCTRL_BCM4908=y
CONFIG_PINCTRL_BCM63XX=y
CONFIG_PINCTRL_BCM6318=y
CONFIG_PINCTRL_BCM6328=y
CONFIG_PINCTRL_BCM6358=y
# CONFIG_PINCTRL_BCM6362 is not set
CONFIG_PINCTRL_BCM6368=y
CONFIG_PINCTRL_BCM63268=y
CONFIG_PINCTRL_IPROC_GPIO=y
# CONFIG_PINCTRL_CYGNUS_MUX is not set
# CONFIG_PINCTRL_NS is not set
CONFIG_PINCTRL_NSP_GPIO=y
CONFIG_PINCTRL_NS2_MUX=y
CONFIG_PINCTRL_NSP_MUX=y
CONFIG_PINCTRL_BERLIN=y
# CONFIG_PINCTRL_AS370 is not set
CONFIG_PINCTRL_BERLIN_BG4CT=y

#
# Intel pinctrl drivers
#
# end of Intel pinctrl drivers

#
# MediaTek pinctrl drivers
#
CONFIG_EINT_MTK=y
CONFIG_PINCTRL_MTK=y
CONFIG_PINCTRL_MTK_V2=y
CONFIG_PINCTRL_MTK_MOORE=y
CONFIG_PINCTRL_MTK_PARIS=y
CONFIG_PINCTRL_MT2701=y
CONFIG_PINCTRL_MT7623=y
CONFIG_PINCTRL_MT7629=y
# CONFIG_PINCTRL_MT8135 is not set
# CONFIG_PINCTRL_MT8127 is not set
# CONFIG_PINCTRL_MT2712 is not set
CONFIG_PINCTRL_MT6765=m
# CONFIG_PINCTRL_MT6779 is not set
CONFIG_PINCTRL_MT6795=y
# CONFIG_PINCTRL_MT6797 is not set
# CONFIG_PINCTRL_MT7622 is not set
CONFIG_PINCTRL_MT7986=y
# CONFIG_PINCTRL_MT8167 is not set
# CONFIG_PINCTRL_MT8173 is not set
# CONFIG_PINCTRL_MT8183 is not set
# CONFIG_PINCTRL_MT8186 is not set
# CONFIG_PINCTRL_MT8192 is not set
CONFIG_PINCTRL_MT8195=y
CONFIG_PINCTRL_MT8365=y
# CONFIG_PINCTRL_MT8516 is not set
# CONFIG_PINCTRL_MT6397 is not set
# end of MediaTek pinctrl drivers

CONFIG_PINCTRL_MESON=y
CONFIG_PINCTRL_WPCM450=y
# CONFIG_PINCTRL_NPCM7XX is not set
CONFIG_PINCTRL_PXA=y
# CONFIG_PINCTRL_PXA25X is not set
CONFIG_PINCTRL_PXA27X=y
CONFIG_PINCTRL_MSM=y
CONFIG_PINCTRL_APQ8064=y
CONFIG_PINCTRL_APQ8084=m
# CONFIG_PINCTRL_IPQ4019 is not set
CONFIG_PINCTRL_IPQ8064=y
# CONFIG_PINCTRL_IPQ8074 is not set
CONFIG_PINCTRL_IPQ6018=m
CONFIG_PINCTRL_MSM8226=m
# CONFIG_PINCTRL_MSM8660 is not set
# CONFIG_PINCTRL_MSM8960 is not set
CONFIG_PINCTRL_MDM9607=y
# CONFIG_PINCTRL_MDM9615 is not set
# CONFIG_PINCTRL_MSM8X74 is not set
CONFIG_PINCTRL_MSM8916=m
# CONFIG_PINCTRL_MSM8953 is not set
# CONFIG_PINCTRL_MSM8976 is not set
CONFIG_PINCTRL_MSM8994=y
CONFIG_PINCTRL_MSM8996=y
# CONFIG_PINCTRL_MSM8998 is not set
CONFIG_PINCTRL_QCM2290=m
CONFIG_PINCTRL_QCS404=m
# CONFIG_PINCTRL_QCOM_SSBI_PMIC is not set
CONFIG_PINCTRL_SC7180=y
CONFIG_PINCTRL_SC7280=m
CONFIG_PINCTRL_SC7280_LPASS_LPI=m
# CONFIG_PINCTRL_SC8180X is not set
# CONFIG_PINCTRL_SC8280XP is not set
CONFIG_PINCTRL_SDM660=y
# CONFIG_PINCTRL_SDM845 is not set
# CONFIG_PINCTRL_SDX55 is not set
CONFIG_PINCTRL_SM6115=y
CONFIG_PINCTRL_SM6125=y
CONFIG_PINCTRL_SM6350=y
CONFIG_PINCTRL_SDX65=y
CONFIG_PINCTRL_SM8150=m
# CONFIG_PINCTRL_SM8250 is not set
# CONFIG_PINCTRL_SM8250_LPASS_LPI is not set
CONFIG_PINCTRL_SM8350=y
CONFIG_PINCTRL_SM8450=m
CONFIG_PINCTRL_LPASS_LPI=y

#
# Renesas pinctrl drivers
#
CONFIG_PINCTRL_RENESAS=y
CONFIG_PINCTRL_SH_PFC=y
CONFIG_PINCTRL_SH_PFC_GPIO=y
CONFIG_PINCTRL_SH_FUNC_GPIO=y
CONFIG_PINCTRL_PFC_EMEV2=y
# CONFIG_PINCTRL_PFC_R8A77995 is not set
CONFIG_PINCTRL_PFC_R8A7794=y
# CONFIG_PINCTRL_PFC_R8A77990 is not set
# CONFIG_PINCTRL_PFC_R8A7779 is not set
CONFIG_PINCTRL_PFC_R8A7790=y
# CONFIG_PINCTRL_PFC_R8A77950 is not set
# CONFIG_PINCTRL_PFC_R8A77951 is not set
# CONFIG_PINCTRL_PFC_R8A7778 is not set
CONFIG_PINCTRL_PFC_R8A7793=y
# CONFIG_PINCTRL_PFC_R8A7791 is not set
# CONFIG_PINCTRL_PFC_R8A77965 is not set
CONFIG_PINCTRL_PFC_R8A77960=y
# CONFIG_PINCTRL_PFC_R8A77961 is not set
# CONFIG_PINCTRL_PFC_R8A779F0 is not set
CONFIG_PINCTRL_PFC_R8A7792=y
# CONFIG_PINCTRL_PFC_R8A77980 is not set
CONFIG_PINCTRL_PFC_R8A77970=y
CONFIG_PINCTRL_PFC_R8A779A0=y
# CONFIG_PINCTRL_PFC_R8A7740 is not set
CONFIG_PINCTRL_PFC_R8A73A4=y
# CONFIG_PINCTRL_RZA1 is not set
# CONFIG_PINCTRL_RZA2 is not set
CONFIG_PINCTRL_RZG2L=y
# CONFIG_PINCTRL_PFC_R8A77470 is not set
CONFIG_PINCTRL_PFC_R8A7745=y
CONFIG_PINCTRL_PFC_R8A7742=y
CONFIG_PINCTRL_PFC_R8A7743=y
CONFIG_PINCTRL_PFC_R8A7744=y
CONFIG_PINCTRL_PFC_R8A774C0=y
# CONFIG_PINCTRL_PFC_R8A774E1 is not set
# CONFIG_PINCTRL_PFC_R8A774A1 is not set
CONFIG_PINCTRL_PFC_R8A774B1=y
# CONFIG_PINCTRL_RZN1 is not set
CONFIG_PINCTRL_PFC_SH7203=y
CONFIG_PINCTRL_PFC_SH7264=y
CONFIG_PINCTRL_PFC_SH7269=y
CONFIG_PINCTRL_PFC_SH7720=y
CONFIG_PINCTRL_PFC_SH7722=y
# CONFIG_PINCTRL_PFC_SH7734 is not set
CONFIG_PINCTRL_PFC_SH7757=y
# CONFIG_PINCTRL_PFC_SH7785 is not set
CONFIG_PINCTRL_PFC_SH7786=y
# CONFIG_PINCTRL_PFC_SH73A0 is not set
# CONFIG_PINCTRL_PFC_SH7723 is not set
CONFIG_PINCTRL_PFC_SH7724=y
# CONFIG_PINCTRL_PFC_SHX3 is not set
# end of Renesas pinctrl drivers

CONFIG_PINCTRL_SAMSUNG=y
CONFIG_PINCTRL_EXYNOS=y
# CONFIG_PINCTRL_EXYNOS_ARM is not set
# CONFIG_PINCTRL_EXYNOS_ARM64 is not set
# CONFIG_PINCTRL_S3C24XX is not set
CONFIG_PINCTRL_S3C64XX=y
CONFIG_PINCTRL_SPRD=m
CONFIG_PINCTRL_SPRD_SC9860=m
CONFIG_PINCTRL_STM32=y
CONFIG_PINCTRL_STM32F429=y
# CONFIG_PINCTRL_STM32F469 is not set
# CONFIG_PINCTRL_STM32F746 is not set
# CONFIG_PINCTRL_STM32F769 is not set
# CONFIG_PINCTRL_STM32H743 is not set
# CONFIG_PINCTRL_STM32MP135 is not set
# CONFIG_PINCTRL_STM32MP157 is not set
# CONFIG_PINCTRL_TI_IODELAY is not set
# CONFIG_PINCTRL_UNIPHIER is not set
# CONFIG_PINCTRL_TMPV7700 is not set
CONFIG_GPIOLIB=y
CONFIG_GPIOLIB_FASTPATH_LIMIT=512
CONFIG_OF_GPIO=y
CONFIG_GPIOLIB_IRQCHIP=y
CONFIG_DEBUG_GPIO=y
# CONFIG_GPIO_SYSFS is not set
# CONFIG_GPIO_CDEV is not set
CONFIG_GPIO_GENERIC=y
CONFIG_GPIO_REGMAP=y
CONFIG_GPIO_MAX730X=y

#
# Memory mapped GPIO drivers
#
CONFIG_GPIO_74XX_MMIO=y
CONFIG_GPIO_ALTERA=m
CONFIG_GPIO_ASPEED=y
# CONFIG_GPIO_ASPEED_SGPIO is not set
CONFIG_GPIO_ATH79=y
CONFIG_GPIO_RASPBERRYPI_EXP=m
CONFIG_GPIO_BCM_KONA=y
CONFIG_GPIO_BCM_XGS_IPROC=m
CONFIG_GPIO_BRCMSTB=m
# CONFIG_GPIO_CADENCE is not set
# CONFIG_GPIO_CLPS711X is not set
# CONFIG_GPIO_DWAPB is not set
CONFIG_GPIO_EIC_SPRD=m
# CONFIG_GPIO_EM is not set
# CONFIG_GPIO_FTGPIO010 is not set
CONFIG_GPIO_GENERIC_PLATFORM=m
# CONFIG_GPIO_GRGPIO is not set
CONFIG_GPIO_HISI=y
# CONFIG_GPIO_HLWD is not set
CONFIG_GPIO_IOP=m
# CONFIG_GPIO_LOGICVC is not set
CONFIG_GPIO_LPC18XX=y
# CONFIG_GPIO_LPC32XX is not set
CONFIG_GPIO_MB86S7X=y
# CONFIG_GPIO_MENZ127 is not set
# CONFIG_GPIO_MPC8XXX is not set
CONFIG_GPIO_MT7621=y
CONFIG_GPIO_MXC=m
# CONFIG_GPIO_MXS is not set
# CONFIG_GPIO_PMIC_EIC_SPRD is not set
# CONFIG_GPIO_PXA is not set
CONFIG_GPIO_RCAR=m
# CONFIG_GPIO_RDA is not set
CONFIG_GPIO_ROCKCHIP=m
# CONFIG_GPIO_SAMA5D2_PIOBU is not set
# CONFIG_GPIO_SIFIVE is not set
CONFIG_GPIO_SIOX=y
# CONFIG_GPIO_SNPS_CREG is not set
CONFIG_GPIO_SPRD=m
CONFIG_GPIO_STP_XWAY=y
CONFIG_GPIO_SYSCON=y
CONFIG_GPIO_TEGRA=m
# CONFIG_GPIO_TEGRA186 is not set
# CONFIG_GPIO_TS4800 is not set
CONFIG_GPIO_UNIPHIER=y
CONFIG_GPIO_VISCONTI=y
CONFIG_GPIO_VX855=m
CONFIG_GPIO_WCD934X=m
CONFIG_GPIO_XGENE_SB=y
CONFIG_GPIO_XILINX=y
CONFIG_GPIO_XLP=y
CONFIG_GPIO_AMD_FCH=m
CONFIG_GPIO_IDT3243X=m
# end of Memory mapped GPIO drivers

#
# I2C GPIO expanders
#
CONFIG_GPIO_ADP5588=y
CONFIG_GPIO_ADP5588_IRQ=y
# CONFIG_GPIO_ADNP is not set
CONFIG_GPIO_GW_PLD=y
CONFIG_GPIO_MAX7300=y
CONFIG_GPIO_MAX732X=y
# CONFIG_GPIO_MAX732X_IRQ is not set
CONFIG_GPIO_PCA953X=m
CONFIG_GPIO_PCA953X_IRQ=y
# CONFIG_GPIO_PCA9570 is not set
CONFIG_GPIO_PCF857X=m
# CONFIG_GPIO_TPIC2810 is not set
# CONFIG_GPIO_TS4900 is not set
# end of I2C GPIO expanders

#
# MFD GPIO expanders
#
CONFIG_GPIO_ADP5520=y
CONFIG_GPIO_ARIZONA=m
CONFIG_GPIO_BD9571MWV=y
CONFIG_GPIO_DA9052=m
CONFIG_GPIO_JANZ_TTL=m
CONFIG_GPIO_KEMPLD=m
CONFIG_GPIO_LP3943=m
CONFIG_GPIO_LP873X=y
CONFIG_GPIO_LP87565=y
CONFIG_GPIO_MAX77650=m
# CONFIG_GPIO_RC5T583 is not set
CONFIG_GPIO_SL28CPLD=y
CONFIG_GPIO_STMPE=y
CONFIG_GPIO_TC3589X=y
CONFIG_GPIO_TPS65086=m
CONFIG_GPIO_TPS65218=m
# CONFIG_GPIO_TPS6586X is not set
CONFIG_GPIO_TPS65912=m
CONFIG_GPIO_TQMX86=m
CONFIG_GPIO_TWL4030=y
CONFIG_GPIO_UCB1400=m
CONFIG_GPIO_WM831X=y
CONFIG_GPIO_WM8350=m
# end of MFD GPIO expanders

#
# PCI GPIO expanders
#
CONFIG_GPIO_AMD8111=y
# CONFIG_GPIO_BT8XX is not set
CONFIG_GPIO_ML_IOH=y
CONFIG_GPIO_PCH=y
CONFIG_GPIO_PCI_IDIO_16=y
# CONFIG_GPIO_PCIE_IDIO_24 is not set
# CONFIG_GPIO_RDC321X is not set
# end of PCI GPIO expanders

#
# SPI GPIO expanders
#
CONFIG_GPIO_74X164=m
CONFIG_GPIO_MAX3191X=m
# CONFIG_GPIO_MAX7301 is not set
CONFIG_GPIO_MC33880=y
# CONFIG_GPIO_PISOSR is not set
# CONFIG_GPIO_XRA1403 is not set
CONFIG_GPIO_MOXTET=m
# end of SPI GPIO expanders

#
# USB GPIO expanders
#
# CONFIG_GPIO_VIPERBOARD is not set
# end of USB GPIO expanders

#
# Virtual GPIO drivers
#
CONFIG_GPIO_AGGREGATOR=m
CONFIG_GPIO_MOCKUP=m
# CONFIG_GPIO_VIRTIO is not set
# CONFIG_GPIO_SIM is not set
# end of Virtual GPIO drivers

CONFIG_W1=y

#
# 1-wire Bus Masters
#
CONFIG_W1_MASTER_MATROX=m
CONFIG_W1_MASTER_DS2490=y
CONFIG_W1_MASTER_DS2482=y
CONFIG_W1_MASTER_MXC=m
CONFIG_W1_MASTER_DS1WM=y
# CONFIG_W1_MASTER_GPIO is not set
CONFIG_W1_MASTER_SGI=y
# end of 1-wire Bus Masters

#
# 1-wire Slaves
#
CONFIG_W1_SLAVE_THERM=y
CONFIG_W1_SLAVE_SMEM=m
CONFIG_W1_SLAVE_DS2405=y
CONFIG_W1_SLAVE_DS2408=y
# CONFIG_W1_SLAVE_DS2408_READBACK is not set
CONFIG_W1_SLAVE_DS2413=m
# CONFIG_W1_SLAVE_DS2406 is not set
# CONFIG_W1_SLAVE_DS2423 is not set
CONFIG_W1_SLAVE_DS2805=m
CONFIG_W1_SLAVE_DS2430=m
CONFIG_W1_SLAVE_DS2431=y
CONFIG_W1_SLAVE_DS2433=y
CONFIG_W1_SLAVE_DS2433_CRC=y
CONFIG_W1_SLAVE_DS2438=m
CONFIG_W1_SLAVE_DS250X=m
CONFIG_W1_SLAVE_DS2780=y
CONFIG_W1_SLAVE_DS2781=y
# CONFIG_W1_SLAVE_DS28E04 is not set
# CONFIG_W1_SLAVE_DS28E17 is not set
# end of 1-wire Slaves

# CONFIG_POWER_RESET is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
# CONFIG_POWER_SUPPLY_HWMON is not set
# CONFIG_PDA_POWER is not set
CONFIG_GENERIC_ADC_BATTERY=m
CONFIG_IP5XXX_POWER=y
CONFIG_MAX8925_POWER=m
CONFIG_WM831X_BACKUP=m
CONFIG_WM831X_POWER=m
CONFIG_WM8350_POWER=y
CONFIG_TEST_POWER=y
# CONFIG_CHARGER_ADP5061 is not set
CONFIG_BATTERY_ACT8945A=m
CONFIG_BATTERY_CPCAP=m
CONFIG_BATTERY_CW2015=y
# CONFIG_BATTERY_DS2760 is not set
CONFIG_BATTERY_DS2780=y
CONFIG_BATTERY_DS2781=y
CONFIG_BATTERY_DS2782=m
CONFIG_BATTERY_LEGO_EV3=m
# CONFIG_BATTERY_SAMSUNG_SDI is not set
# CONFIG_BATTERY_INGENIC is not set
# CONFIG_BATTERY_SBS is not set
CONFIG_CHARGER_SBS=y
CONFIG_MANAGER_SBS=m
CONFIG_BATTERY_BQ27XXX=y
# CONFIG_BATTERY_BQ27XXX_I2C is not set
# CONFIG_BATTERY_BQ27XXX_HDQ is not set
CONFIG_BATTERY_DA9052=m
CONFIG_BATTERY_DA9150=y
CONFIG_CHARGER_AXP20X=m
# CONFIG_BATTERY_AXP20X is not set
CONFIG_AXP20X_POWER=m
CONFIG_BATTERY_MAX17040=y
CONFIG_BATTERY_MAX17042=y
CONFIG_BATTERY_MAX1721X=y
# CONFIG_BATTERY_TWL4030_MADC is not set
# CONFIG_CHARGER_PCF50633 is not set
CONFIG_BATTERY_RX51=m
CONFIG_CHARGER_CPCAP=m
CONFIG_CHARGER_ISP1704=y
CONFIG_CHARGER_MAX8903=y
# CONFIG_CHARGER_TWL4030 is not set
# CONFIG_CHARGER_LP8727 is not set
# CONFIG_CHARGER_GPIO is not set
CONFIG_CHARGER_MANAGER=y
# CONFIG_CHARGER_LT3651 is not set
CONFIG_CHARGER_LTC4162L=m
# CONFIG_CHARGER_MAX14577 is not set
CONFIG_CHARGER_DETECTOR_MAX14656=y
CONFIG_CHARGER_MAX77650=m
# CONFIG_CHARGER_MAX77693 is not set
# CONFIG_CHARGER_MAX77976 is not set
# CONFIG_CHARGER_MAX8998 is not set
CONFIG_CHARGER_MP2629=m
CONFIG_CHARGER_MT6360=m
CONFIG_CHARGER_QCOM_SMBB=y
CONFIG_CHARGER_BQ2415X=y
CONFIG_CHARGER_BQ24190=m
# CONFIG_CHARGER_BQ24257 is not set
CONFIG_CHARGER_BQ24735=m
CONFIG_CHARGER_BQ2515X=m
CONFIG_CHARGER_BQ25890=y
# CONFIG_CHARGER_BQ25980 is not set
CONFIG_CHARGER_BQ256XX=m
CONFIG_CHARGER_SMB347=y
CONFIG_CHARGER_TPS65090=y
CONFIG_BATTERY_GAUGE_LTC2941=y
CONFIG_BATTERY_GOLDFISH=m
CONFIG_BATTERY_RT5033=y
CONFIG_CHARGER_RT9455=m
CONFIG_CHARGER_SC2731=m
CONFIG_FUEL_GAUGE_SC27XX=m
CONFIG_CHARGER_UCS1002=y
CONFIG_CHARGER_BD99954=y
# CONFIG_RN5T618_POWER is not set
# CONFIG_BATTERY_ACER_A500 is not set
CONFIG_BATTERY_UG3105=m
CONFIG_HWMON=y
CONFIG_HWMON_VID=y
CONFIG_HWMON_DEBUG_CHIP=y

#
# Native drivers
#
CONFIG_SENSORS_AD7314=m
CONFIG_SENSORS_AD7414=y
CONFIG_SENSORS_AD7418=y
CONFIG_SENSORS_ADM1021=m
# CONFIG_SENSORS_ADM1025 is not set
CONFIG_SENSORS_ADM1026=m
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
CONFIG_SENSORS_ADM1177=y
CONFIG_SENSORS_ADM9240=m
# CONFIG_SENSORS_ADT7310 is not set
# CONFIG_SENSORS_ADT7410 is not set
CONFIG_SENSORS_ADT7411=y
CONFIG_SENSORS_ADT7462=y
CONFIG_SENSORS_ADT7470=y
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_AHT10 is not set
# CONFIG_SENSORS_AQUACOMPUTER_D5NEXT is not set
# CONFIG_SENSORS_AS370 is not set
CONFIG_SENSORS_ASC7621=m
CONFIG_SENSORS_AXI_FAN_CONTROL=m
CONFIG_SENSORS_ARM_SCMI=y
CONFIG_SENSORS_ASPEED=m
CONFIG_SENSORS_ATXP1=m
# CONFIG_SENSORS_BT1_PVT is not set
# CONFIG_SENSORS_CORSAIR_CPRO is not set
CONFIG_SENSORS_CORSAIR_PSU=m
CONFIG_SENSORS_DRIVETEMP=m
# CONFIG_SENSORS_DS620 is not set
CONFIG_SENSORS_DS1621=m
CONFIG_SENSORS_DA9052_ADC=y
CONFIG_SENSORS_I5K_AMB=m
CONFIG_SENSORS_SPARX5=m
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_F71882FG is not set
CONFIG_SENSORS_F75375S=m
CONFIG_SENSORS_MC13783_ADC=m
# CONFIG_SENSORS_GL518SM is not set
CONFIG_SENSORS_GL520SM=m
CONFIG_SENSORS_G760A=m
CONFIG_SENSORS_G762=m
CONFIG_SENSORS_GPIO_FAN=y
CONFIG_SENSORS_HIH6130=m
CONFIG_SENSORS_IBMAEM=m
CONFIG_SENSORS_IBMPEX=m
CONFIG_SENSORS_IIO_HWMON=m
CONFIG_SENSORS_IT87=y
CONFIG_SENSORS_JC42=y
CONFIG_SENSORS_POWR1220=m
CONFIG_SENSORS_LAN966X=m
CONFIG_SENSORS_LINEAGE=y
CONFIG_SENSORS_LTC2945=m
CONFIG_SENSORS_LTC2947=y
# CONFIG_SENSORS_LTC2947_I2C is not set
CONFIG_SENSORS_LTC2947_SPI=y
# CONFIG_SENSORS_LTC2990 is not set
# CONFIG_SENSORS_LTC2992 is not set
# CONFIG_SENSORS_LTC4151 is not set
CONFIG_SENSORS_LTC4215=y
# CONFIG_SENSORS_LTC4222 is not set
CONFIG_SENSORS_LTC4245=m
CONFIG_SENSORS_LTC4260=y
# CONFIG_SENSORS_LTC4261 is not set
CONFIG_SENSORS_MAX1111=m
CONFIG_SENSORS_MAX127=m
# CONFIG_SENSORS_MAX16065 is not set
CONFIG_SENSORS_MAX1619=y
# CONFIG_SENSORS_MAX1668 is not set
CONFIG_SENSORS_MAX197=m
# CONFIG_SENSORS_MAX31722 is not set
CONFIG_SENSORS_MAX31730=m
CONFIG_SENSORS_MAX6620=m
# CONFIG_SENSORS_MAX6621 is not set
CONFIG_SENSORS_MAX6639=y
CONFIG_SENSORS_MAX6642=m
# CONFIG_SENSORS_MAX6650 is not set
CONFIG_SENSORS_MAX6697=y
# CONFIG_SENSORS_MAX31790 is not set
# CONFIG_SENSORS_MCP3021 is not set
# CONFIG_SENSORS_MLXREG_FAN is not set
CONFIG_SENSORS_TC654=m
# CONFIG_SENSORS_TPS23861 is not set
# CONFIG_SENSORS_MENF21BMC_HWMON is not set
CONFIG_SENSORS_MR75203=y
CONFIG_SENSORS_ADCXX=y
CONFIG_SENSORS_LM63=m
CONFIG_SENSORS_LM70=y
# CONFIG_SENSORS_LM73 is not set
CONFIG_SENSORS_LM75=m
# CONFIG_SENSORS_LM77 is not set
CONFIG_SENSORS_LM78=y
CONFIG_SENSORS_LM80=m
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
CONFIG_SENSORS_LM87=m
# CONFIG_SENSORS_LM90 is not set
CONFIG_SENSORS_LM92=m
CONFIG_SENSORS_LM93=m
CONFIG_SENSORS_LM95234=m
# CONFIG_SENSORS_LM95241 is not set
# CONFIG_SENSORS_LM95245 is not set
CONFIG_SENSORS_PC87360=y
# CONFIG_SENSORS_PC87427 is not set
# CONFIG_SENSORS_NTC_THERMISTOR is not set
CONFIG_SENSORS_NCT6683=y
CONFIG_SENSORS_NCT6775_CORE=m
CONFIG_SENSORS_NCT6775=m
CONFIG_SENSORS_NCT6775_I2C=m
CONFIG_SENSORS_NCT7802=m
# CONFIG_SENSORS_NPCM7XX is not set
CONFIG_SENSORS_NSA320=m
CONFIG_SENSORS_NZXT_KRAKEN2=m
CONFIG_SENSORS_NZXT_SMART2=m
# CONFIG_SENSORS_OCC_P8_I2C is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_PMBUS is not set
CONFIG_SENSORS_PWM_FAN=m
CONFIG_SENSORS_RASPBERRYPI_HWMON=y
# CONFIG_SENSORS_SL28CPLD is not set
CONFIG_SENSORS_SBTSI=m
CONFIG_SENSORS_SBRMI=m
CONFIG_SENSORS_SHT15=m
CONFIG_SENSORS_SHT21=m
CONFIG_SENSORS_SHT3x=y
CONFIG_SENSORS_SHT4x=y
CONFIG_SENSORS_SHTC1=m
CONFIG_SENSORS_SIS5595=y
CONFIG_SENSORS_SY7636A=y
# CONFIG_SENSORS_DME1737 is not set
# CONFIG_SENSORS_EMC1403 is not set
CONFIG_SENSORS_EMC2103=m
# CONFIG_SENSORS_EMC6W201 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
CONFIG_SENSORS_SMSC47M192=m
# CONFIG_SENSORS_SMSC47B397 is not set
CONFIG_SENSORS_STTS751=m
CONFIG_SENSORS_SMM665=m
CONFIG_SENSORS_ADC128D818=y
# CONFIG_SENSORS_ADS7828 is not set
CONFIG_SENSORS_ADS7871=y
CONFIG_SENSORS_AMC6821=m
# CONFIG_SENSORS_INA209 is not set
CONFIG_SENSORS_INA2XX=y
CONFIG_SENSORS_INA238=y
CONFIG_SENSORS_INA3221=m
# CONFIG_SENSORS_TC74 is not set
CONFIG_SENSORS_THMC50=m
CONFIG_SENSORS_TMP102=m
CONFIG_SENSORS_TMP103=m
CONFIG_SENSORS_TMP108=y
CONFIG_SENSORS_TMP401=y
CONFIG_SENSORS_TMP421=y
CONFIG_SENSORS_TMP464=y
CONFIG_SENSORS_TMP513=y
CONFIG_SENSORS_VIA686A=y
# CONFIG_SENSORS_VT1211 is not set
CONFIG_SENSORS_VT8231=y
CONFIG_SENSORS_W83773G=y
CONFIG_SENSORS_W83781D=y
CONFIG_SENSORS_W83791D=y
# CONFIG_SENSORS_W83792D is not set
CONFIG_SENSORS_W83793=y
CONFIG_SENSORS_W83795=y
# CONFIG_SENSORS_W83795_FANCTRL is not set
CONFIG_SENSORS_W83L785TS=m
CONFIG_SENSORS_W83L786NG=m
CONFIG_SENSORS_W83627HF=m
CONFIG_SENSORS_W83627EHF=m
CONFIG_SENSORS_WM831X=y
CONFIG_SENSORS_WM8350=y
CONFIG_SENSORS_INTEL_M10_BMC_HWMON=m
CONFIG_THERMAL=y
CONFIG_THERMAL_STATISTICS=y
CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=0
# CONFIG_THERMAL_HWMON is not set
CONFIG_THERMAL_OF=y
CONFIG_THERMAL_WRITABLE_TRIPS=y
# CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE is not set
# CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE is not set
CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE=y
CONFIG_THERMAL_GOV_FAIR_SHARE=y
CONFIG_THERMAL_GOV_STEP_WISE=y
CONFIG_THERMAL_GOV_BANG_BANG=y
CONFIG_THERMAL_GOV_USER_SPACE=y
CONFIG_CPU_THERMAL=y
# CONFIG_DEVFREQ_THERMAL is not set
# CONFIG_THERMAL_EMULATION is not set
CONFIG_THERMAL_MMIO=y
# CONFIG_HISI_THERMAL is not set
CONFIG_IMX_THERMAL=y
CONFIG_IMX8MM_THERMAL=y
# CONFIG_K3_THERMAL is not set
CONFIG_QORIQ_THERMAL=m
# CONFIG_SPEAR_THERMAL is not set
CONFIG_SUN8I_THERMAL=y
CONFIG_ROCKCHIP_THERMAL=m
# CONFIG_RCAR_THERMAL is not set
CONFIG_RCAR_GEN3_THERMAL=y
CONFIG_RZG2L_THERMAL=y
CONFIG_KIRKWOOD_THERMAL=y
# CONFIG_DOVE_THERMAL is not set
CONFIG_ARMADA_THERMAL=y
CONFIG_DA9062_THERMAL=m
# CONFIG_MTK_THERMAL is not set

#
# Intel thermal drivers
#

#
# ACPI INT340X thermal drivers
#
# end of ACPI INT340X thermal drivers
# end of Intel thermal drivers

#
# Broadcom thermal drivers
#
CONFIG_BCM2711_THERMAL=y
# CONFIG_BCM2835_THERMAL is not set
CONFIG_BRCMSTB_THERMAL=m
CONFIG_BCM_NS_THERMAL=y
CONFIG_BCM_SR_THERMAL=m
# end of Broadcom thermal drivers

#
# Texas Instruments thermal drivers
#
CONFIG_TI_SOC_THERMAL=m
# CONFIG_TI_THERMAL is not set
# CONFIG_OMAP3_THERMAL is not set
# CONFIG_OMAP4_THERMAL is not set
CONFIG_OMAP5_THERMAL=y
# CONFIG_DRA752_THERMAL is not set
# end of Texas Instruments thermal drivers

#
# Samsung thermal drivers
#
# CONFIG_EXYNOS_THERMAL is not set
# end of Samsung thermal drivers

#
# NVIDIA Tegra thermal drivers
#
CONFIG_TEGRA_SOCTHERM=y
# CONFIG_TEGRA_BPMP_THERMAL is not set
CONFIG_TEGRA30_TSENSOR=m
# end of NVIDIA Tegra thermal drivers

CONFIG_GENERIC_ADC_THERMAL=m

#
# Qualcomm thermal drivers
#
CONFIG_QCOM_TSENS=m
# end of Qualcomm thermal drivers

# CONFIG_UNIPHIER_THERMAL is not set
CONFIG_SPRD_THERMAL=y
# CONFIG_KHADAS_MCU_FAN_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
CONFIG_SSB=y
CONFIG_SSB_SPROM=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
CONFIG_SSB_PCIHOST=y
CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
# CONFIG_SSB_DRIVER_PCICORE is not set
# CONFIG_SSB_DRIVER_GPIO is not set
CONFIG_BCMA_POSSIBLE=y
CONFIG_BCMA=m
CONFIG_BCMA_HOST_PCI_POSSIBLE=y
CONFIG_BCMA_HOST_PCI=y
CONFIG_BCMA_HOST_SOC=y
CONFIG_BCMA_DRIVER_PCI=y
# CONFIG_BCMA_DRIVER_MIPS is not set
# CONFIG_BCMA_SFLASH is not set
CONFIG_BCMA_DRIVER_GMAC_CMN=y
CONFIG_BCMA_DRIVER_GPIO=y
# CONFIG_BCMA_DEBUG is not set

#
# Multifunction device drivers
#
CONFIG_MFD_CORE=y
CONFIG_MFD_ACT8945A=y
# CONFIG_MFD_SUN4I_GPADC is not set
# CONFIG_MFD_AS3711 is not set
CONFIG_MFD_AS3722=y
CONFIG_PMIC_ADP5520=y
CONFIG_MFD_AAT2870_CORE=y
# CONFIG_MFD_AT91_USART is not set
# CONFIG_MFD_ATMEL_FLEXCOM is not set
CONFIG_MFD_ATMEL_HLCDC=m
CONFIG_MFD_ATMEL_SMC=y
CONFIG_MFD_BCM590XX=y
CONFIG_MFD_BD9571MWV=y
CONFIG_MFD_AXP20X=m
CONFIG_MFD_AXP20X_I2C=m
# CONFIG_MFD_MADERA is not set
CONFIG_MFD_ASIC3=y
# CONFIG_PMIC_DA903X is not set
CONFIG_PMIC_DA9052=y
# CONFIG_MFD_DA9052_SPI is not set
CONFIG_MFD_DA9052_I2C=y
# CONFIG_MFD_DA9055 is not set
CONFIG_MFD_DA9062=m
# CONFIG_MFD_DA9063 is not set
CONFIG_MFD_DA9150=y
# CONFIG_MFD_DLN2 is not set
CONFIG_MFD_ENE_KB3930=m
# CONFIG_MFD_EXYNOS_LPASS is not set
# CONFIG_MFD_GATEWORKS_GSC is not set
CONFIG_MFD_MC13XXX=y
CONFIG_MFD_MC13XXX_SPI=y
CONFIG_MFD_MC13XXX_I2C=m
CONFIG_MFD_MP2629=y
CONFIG_MFD_MXS_LRADC=m
# CONFIG_MFD_MX25_TSADC is not set
CONFIG_MFD_HI6421_PMIC=y
CONFIG_MFD_HI655X_PMIC=y
# CONFIG_HTC_PASIC3 is not set
CONFIG_HTC_I2CPLD=y
CONFIG_LPC_ICH=m
CONFIG_LPC_SCH=m
# CONFIG_MFD_IQS62X is not set
CONFIG_MFD_JANZ_CMODIO=y
CONFIG_MFD_KEMPLD=y
CONFIG_MFD_88PM800=y
CONFIG_MFD_88PM805=m
# CONFIG_MFD_88PM860X is not set
CONFIG_MFD_MAX14577=m
# CONFIG_MFD_MAX77620 is not set
CONFIG_MFD_MAX77650=y
# CONFIG_MFD_MAX77686 is not set
CONFIG_MFD_MAX77693=y
CONFIG_MFD_MAX77714=y
CONFIG_MFD_MAX77843=y
CONFIG_MFD_MAX8907=y
CONFIG_MFD_MAX8925=y
# CONFIG_MFD_MAX8997 is not set
CONFIG_MFD_MAX8998=y
CONFIG_MFD_MT6360=m
CONFIG_MFD_MT6397=y
CONFIG_MFD_MENF21BMC=m
CONFIG_EZX_PCAP=y
CONFIG_MFD_CPCAP=m
CONFIG_MFD_VIPERBOARD=m
# CONFIG_MFD_NTXEC is not set
CONFIG_MFD_RETU=y
CONFIG_MFD_PCF50633=y
CONFIG_PCF50633_ADC=m
CONFIG_PCF50633_GPIO=m
CONFIG_UCB1400_CORE=m
CONFIG_MFD_PM8XXX=y
# CONFIG_MFD_RDC321X is not set
CONFIG_MFD_RT4831=m
# CONFIG_MFD_RT5033 is not set
CONFIG_MFD_RC5T583=y
CONFIG_MFD_RK808=m
CONFIG_MFD_RN5T618=m
# CONFIG_MFD_SEC_CORE is not set
# CONFIG_MFD_SI476X_CORE is not set
CONFIG_MFD_SIMPLE_MFD_I2C=y
CONFIG_MFD_SL28CPLD=y
# CONFIG_MFD_SM501 is not set
CONFIG_MFD_SKY81452=y
# CONFIG_MFD_SC27XX_PMIC is not set
# CONFIG_ABX500_CORE is not set
CONFIG_MFD_STMPE=y

#
# STMicroelectronics STMPE Interface Drivers
#
CONFIG_STMPE_I2C=y
CONFIG_STMPE_SPI=y
# end of STMicroelectronics STMPE Interface Drivers

CONFIG_MFD_SUN6I_PRCM=y
CONFIG_MFD_SYSCON=y
CONFIG_MFD_TI_AM335X_TSCADC=m
CONFIG_MFD_LP3943=m
# CONFIG_MFD_LP8788 is not set
CONFIG_MFD_TI_LMU=y
# CONFIG_MFD_PALMAS is not set
CONFIG_TPS6105X=y
# CONFIG_TPS65010 is not set
CONFIG_TPS6507X=y
CONFIG_MFD_TPS65086=m
CONFIG_MFD_TPS65090=y
# CONFIG_MFD_TPS65217 is not set
CONFIG_MFD_TI_LP873X=y
CONFIG_MFD_TI_LP87565=y
CONFIG_MFD_TPS65218=m
CONFIG_MFD_TPS6586X=y
# CONFIG_MFD_TPS65910 is not set
CONFIG_MFD_TPS65912=y
# CONFIG_MFD_TPS65912_I2C is not set
CONFIG_MFD_TPS65912_SPI=y
CONFIG_TWL4030_CORE=y
# CONFIG_MFD_TWL4030_AUDIO is not set
# CONFIG_TWL6040_CORE is not set
CONFIG_MFD_WL1273_CORE=y
CONFIG_MFD_LM3533=m
# CONFIG_MFD_TIMBERDALE is not set
CONFIG_MFD_TC3589X=y
# CONFIG_MFD_TQMX86 is not set
CONFIG_MFD_VX855=m
# CONFIG_MFD_LOCHNAGAR is not set
CONFIG_MFD_ARIZONA=m
CONFIG_MFD_ARIZONA_I2C=m
# CONFIG_MFD_ARIZONA_SPI is not set
CONFIG_MFD_CS47L24=y
CONFIG_MFD_WM5102=y
# CONFIG_MFD_WM5110 is not set
CONFIG_MFD_WM8997=y
# CONFIG_MFD_WM8998 is not set
# CONFIG_MFD_WM8400 is not set
CONFIG_MFD_WM831X=y
# CONFIG_MFD_WM831X_I2C is not set
CONFIG_MFD_WM831X_SPI=y
CONFIG_MFD_WM8350=y
CONFIG_MFD_WM8350_I2C=y
# CONFIG_MFD_WM8994 is not set
CONFIG_MFD_STW481X=y
CONFIG_MFD_ROHM_BD718XX=y
# CONFIG_MFD_ROHM_BD71828 is not set
# CONFIG_MFD_ROHM_BD957XMUF is not set
CONFIG_MFD_STM32_LPTIMER=m
# CONFIG_MFD_STM32_TIMERS is not set
CONFIG_MFD_STPMIC1=y
CONFIG_MFD_STMFX=m
CONFIG_MFD_WCD934X=m
# CONFIG_MFD_ATC260X_I2C is not set
CONFIG_MFD_KHADAS_MCU=m
CONFIG_MFD_ACER_A500_EC=m
CONFIG_MFD_QCOM_PM8008=m
CONFIG_MFD_INTEL_M10_BMC=y
# CONFIG_MFD_RSMU_I2C is not set
CONFIG_MFD_RSMU_SPI=m
# end of Multifunction device drivers

CONFIG_REGULATOR=y
# CONFIG_REGULATOR_DEBUG is not set
CONFIG_REGULATOR_FIXED_VOLTAGE=y
# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
CONFIG_REGULATOR_88PG86X=y
CONFIG_REGULATOR_88PM800=y
CONFIG_REGULATOR_ACT8865=y
# CONFIG_REGULATOR_ACT8945A is not set
# CONFIG_REGULATOR_AD5398 is not set
# CONFIG_REGULATOR_ANATOP is not set
# CONFIG_REGULATOR_AAT2870 is not set
CONFIG_REGULATOR_ARM_SCMI=m
# CONFIG_REGULATOR_AS3722 is not set
CONFIG_REGULATOR_AXP20X=m
CONFIG_REGULATOR_BCM590XX=y
CONFIG_REGULATOR_BD718XX=m
CONFIG_REGULATOR_BD9571MWV=y
CONFIG_REGULATOR_CPCAP=m
CONFIG_REGULATOR_DA9052=y
# CONFIG_REGULATOR_DA9062 is not set
# CONFIG_REGULATOR_DA9121 is not set
# CONFIG_REGULATOR_DA9210 is not set
CONFIG_REGULATOR_DA9211=m
CONFIG_REGULATOR_FAN53555=m
CONFIG_REGULATOR_FAN53880=m
CONFIG_REGULATOR_GPIO=m
CONFIG_REGULATOR_HI6421=m
CONFIG_REGULATOR_HI6421V530=m
CONFIG_REGULATOR_HI655X=m
# CONFIG_REGULATOR_ISL9305 is not set
CONFIG_REGULATOR_ISL6271A=y
# CONFIG_REGULATOR_LM363X is not set
CONFIG_REGULATOR_LP3971=m
CONFIG_REGULATOR_LP3972=m
# CONFIG_REGULATOR_LP872X is not set
# CONFIG_REGULATOR_LP873X is not set
CONFIG_REGULATOR_LP8755=m
CONFIG_REGULATOR_LP87565=y
CONFIG_REGULATOR_LTC3589=m
# CONFIG_REGULATOR_LTC3676 is not set
CONFIG_REGULATOR_MAX14577=m
# CONFIG_REGULATOR_MAX1586 is not set
# CONFIG_REGULATOR_MAX77620 is not set
CONFIG_REGULATOR_MAX77650=y
CONFIG_REGULATOR_MAX8649=y
# CONFIG_REGULATOR_MAX8660 is not set
CONFIG_REGULATOR_MAX8893=m
# CONFIG_REGULATOR_MAX8907 is not set
CONFIG_REGULATOR_MAX8925=m
CONFIG_REGULATOR_MAX8952=m
CONFIG_REGULATOR_MAX8973=m
CONFIG_REGULATOR_MAX8998=y
CONFIG_REGULATOR_MAX20086=y
# CONFIG_REGULATOR_MAX77686 is not set
# CONFIG_REGULATOR_MAX77693 is not set
CONFIG_REGULATOR_MAX77802=y
CONFIG_REGULATOR_MAX77826=m
CONFIG_REGULATOR_MC13XXX_CORE=y
# CONFIG_REGULATOR_MC13783 is not set
CONFIG_REGULATOR_MC13892=y
CONFIG_REGULATOR_MCP16502=y
# CONFIG_REGULATOR_MP5416 is not set
CONFIG_REGULATOR_MP8859=m
CONFIG_REGULATOR_MP886X=y
# CONFIG_REGULATOR_MPQ7920 is not set
CONFIG_REGULATOR_MT6311=m
# CONFIG_REGULATOR_MT6323 is not set
CONFIG_REGULATOR_MT6358=y
# CONFIG_REGULATOR_MT6359 is not set
CONFIG_REGULATOR_MT6360=m
# CONFIG_REGULATOR_MT6380 is not set
# CONFIG_REGULATOR_MT6397 is not set
CONFIG_REGULATOR_PBIAS=y
CONFIG_REGULATOR_PCA9450=y
CONFIG_REGULATOR_PCAP=y
# CONFIG_REGULATOR_PCF50633 is not set
# CONFIG_REGULATOR_PF8X00 is not set
CONFIG_REGULATOR_PFUZE100=m
CONFIG_REGULATOR_PV88060=m
# CONFIG_REGULATOR_PV88080 is not set
# CONFIG_REGULATOR_PV88090 is not set
CONFIG_REGULATOR_PWM=m
CONFIG_REGULATOR_QCOM_RPMH=m
CONFIG_REGULATOR_QCOM_SMD_RPM=y
CONFIG_REGULATOR_QCOM_SPMI=y
CONFIG_REGULATOR_QCOM_USB_VBUS=m
CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_ATTINY=m
CONFIG_REGULATOR_RC5T583=y
CONFIG_REGULATOR_RK808=m
# CONFIG_REGULATOR_RN5T618 is not set
CONFIG_REGULATOR_ROHM=m
CONFIG_REGULATOR_RT4801=m
CONFIG_REGULATOR_RT4831=m
# CONFIG_REGULATOR_RT5190A is not set
# CONFIG_REGULATOR_RT5759 is not set
CONFIG_REGULATOR_RT6160=y
CONFIG_REGULATOR_RT6245=m
CONFIG_REGULATOR_RTQ2134=y
# CONFIG_REGULATOR_RTMV20 is not set
# CONFIG_REGULATOR_RTQ6752 is not set
CONFIG_REGULATOR_S2MPA01=y
# CONFIG_REGULATOR_S2MPS11 is not set
CONFIG_REGULATOR_S5M8767=m
CONFIG_REGULATOR_SC2731=y
CONFIG_REGULATOR_SKY81452=m
CONFIG_REGULATOR_SLG51000=y
CONFIG_REGULATOR_STM32_BOOSTER=y
CONFIG_REGULATOR_STM32_VREFBUF=y
# CONFIG_REGULATOR_STM32_PWR is not set
CONFIG_REGULATOR_STPMIC1=y
# CONFIG_REGULATOR_TI_ABB is not set
# CONFIG_REGULATOR_STW481X_VMMC is not set
# CONFIG_REGULATOR_SY7636A is not set
CONFIG_REGULATOR_SY8106A=m
CONFIG_REGULATOR_SY8824X=m
CONFIG_REGULATOR_SY8827N=m
# CONFIG_REGULATOR_TPS51632 is not set
# CONFIG_REGULATOR_TPS6105X is not set
CONFIG_REGULATOR_TPS62360=y
# CONFIG_REGULATOR_TPS6286X is not set
CONFIG_REGULATOR_TPS65023=m
CONFIG_REGULATOR_TPS6507X=y
CONFIG_REGULATOR_TPS65086=m
# CONFIG_REGULATOR_TPS65090 is not set
CONFIG_REGULATOR_TPS65132=y
# CONFIG_REGULATOR_TPS65218 is not set
CONFIG_REGULATOR_TPS6524X=m
CONFIG_REGULATOR_TPS6586X=m
CONFIG_REGULATOR_TPS65912=m
CONFIG_REGULATOR_TPS68470=m
CONFIG_REGULATOR_TWL4030=y
CONFIG_REGULATOR_UNIPHIER=y
CONFIG_REGULATOR_VCTRL=m
CONFIG_REGULATOR_WM831X=m
CONFIG_REGULATOR_WM8350=y
CONFIG_REGULATOR_QCOM_LABIBB=m
CONFIG_RC_CORE=m
# CONFIG_LIRC is not set
CONFIG_RC_MAP=m
CONFIG_RC_DECODERS=y
CONFIG_IR_IMON_DECODER=m
CONFIG_IR_JVC_DECODER=m
CONFIG_IR_MCE_KBD_DECODER=m
# CONFIG_IR_NEC_DECODER is not set
CONFIG_IR_RC5_DECODER=m
# CONFIG_IR_RC6_DECODER is not set
CONFIG_IR_RCMM_DECODER=m
CONFIG_IR_SANYO_DECODER=m
CONFIG_IR_SHARP_DECODER=m
CONFIG_IR_SONY_DECODER=m
# CONFIG_IR_XMP_DECODER is not set
CONFIG_RC_DEVICES=y
# CONFIG_IR_ENE is not set
CONFIG_IR_FINTEK=m
CONFIG_IR_GPIO_CIR=m
# CONFIG_IR_HIX5HD2 is not set
CONFIG_IR_IGORPLUGUSB=m
# CONFIG_IR_IGUANA is not set
# CONFIG_IR_IMON is not set
# CONFIG_IR_IMON_RAW is not set
# CONFIG_IR_ITE_CIR is not set
CONFIG_IR_MCEUSB=m
CONFIG_IR_MESON=m
CONFIG_IR_MESON_TX=m
CONFIG_IR_MTK=m
CONFIG_IR_NUVOTON=m
# CONFIG_IR_REDRAT3 is not set
CONFIG_IR_RX51=m
CONFIG_IR_SERIAL=m
# CONFIG_IR_SERIAL_TRANSMITTER is not set
CONFIG_IR_STREAMZAP=m
CONFIG_IR_SUNXI=m
CONFIG_IR_TOY=m
CONFIG_IR_TTUSBIR=m
# CONFIG_IR_WINBOND_CIR is not set
CONFIG_RC_ATI_REMOTE=m
# CONFIG_RC_LOOPBACK is not set
# CONFIG_RC_ST is not set
CONFIG_RC_XBOX_DVD=m
CONFIG_IR_IMG=m
# CONFIG_IR_IMG_RAW is not set
CONFIG_IR_IMG_HW=y
CONFIG_IR_IMG_NEC=y
# CONFIG_IR_IMG_JVC is not set
# CONFIG_IR_IMG_SONY is not set
CONFIG_IR_IMG_SHARP=y
# CONFIG_IR_IMG_SANYO is not set
CONFIG_IR_IMG_RC5=y
CONFIG_IR_IMG_RC6=y
CONFIG_CEC_CORE=y
CONFIG_CEC_NOTIFIER=y
CONFIG_CEC_PIN=y

#
# CEC support
#
# CONFIG_CEC_PIN_ERROR_INJ is not set
CONFIG_MEDIA_CEC_SUPPORT=y
# CONFIG_CEC_CH7322 is not set
# CONFIG_CEC_MESON_AO is not set
CONFIG_CEC_MESON_G12A_AO=y
CONFIG_CEC_GPIO=m
# CONFIG_CEC_SAMSUNG_S5P is not set
CONFIG_CEC_STI=m
# CONFIG_CEC_STM32 is not set
# CONFIG_CEC_TEGRA is not set
# end of CEC support

# CONFIG_MEDIA_SUPPORT is not set

#
# Graphics support
#
CONFIG_IMX_IPUV3_CORE=m
CONFIG_DRM=m
CONFIG_DRM_MIPI_DBI=m
CONFIG_DRM_MIPI_DSI=y
CONFIG_DRM_DEBUG_SELFTEST=m
CONFIG_DRM_KMS_HELPER=m
CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS=y
# CONFIG_DRM_DEBUG_MODESET_LOCK is not set
# CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
CONFIG_DRM_DP_AUX_BUS=m
CONFIG_DRM_DISPLAY_HELPER=m
CONFIG_DRM_DISPLAY_DP_HELPER=y
CONFIG_DRM_DISPLAY_HDCP_HELPER=y
CONFIG_DRM_DISPLAY_HDMI_HELPER=y
# CONFIG_DRM_DP_AUX_CHARDEV is not set
CONFIG_DRM_DP_CEC=y
CONFIG_DRM_TTM=m
CONFIG_DRM_BUDDY=m
CONFIG_DRM_VRAM_HELPER=m
CONFIG_DRM_TTM_HELPER=m
CONFIG_DRM_GEM_CMA_HELPER=m
CONFIG_DRM_GEM_SHMEM_HELPER=m
CONFIG_DRM_SCHED=m

#
# I2C encoder or helper chips
#
CONFIG_DRM_I2C_CH7006=m
CONFIG_DRM_I2C_SIL164=m
CONFIG_DRM_I2C_NXP_TDA998X=m
CONFIG_DRM_I2C_NXP_TDA9950=m
# end of I2C encoder or helper chips

#
# ARM devices
#
CONFIG_DRM_HDLCD=m
# CONFIG_DRM_HDLCD_SHOW_UNDERRUN is not set
CONFIG_DRM_MALI_DISPLAY=m
CONFIG_DRM_KOMEDA=m
# end of ARM devices

CONFIG_DRM_RADEON=m
CONFIG_DRM_RADEON_USERPTR=y
CONFIG_DRM_AMDGPU=m
# CONFIG_DRM_AMDGPU_SI is not set
# CONFIG_DRM_AMDGPU_CIK is not set
# CONFIG_DRM_AMDGPU_USERPTR is not set

#
# ACP (Audio CoProcessor) Configuration
#
CONFIG_DRM_AMD_ACP=y
# end of ACP (Audio CoProcessor) Configuration

#
# Display Engine Configuration
#
CONFIG_DRM_AMD_DC=y
CONFIG_DRM_AMD_DC_HDCP=y
# end of Display Engine Configuration

CONFIG_DRM_NOUVEAU=m
# CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT is not set
CONFIG_NOUVEAU_DEBUG=5
CONFIG_NOUVEAU_DEBUG_DEFAULT=3
# CONFIG_NOUVEAU_DEBUG_MMU is not set
# CONFIG_NOUVEAU_DEBUG_PUSH is not set
CONFIG_DRM_NOUVEAU_BACKLIGHT=y
CONFIG_DRM_KMB_DISPLAY=m
CONFIG_DRM_VGEM=m
CONFIG_DRM_VKMS=m
CONFIG_DRM_EXYNOS=m

#
# CRTCs
#
CONFIG_DRM_EXYNOS_FIMD=y
# CONFIG_DRM_EXYNOS5433_DECON is not set
CONFIG_DRM_EXYNOS7_DECON=y
CONFIG_DRM_EXYNOS_MIXER=y
CONFIG_DRM_EXYNOS_VIDI=y

#
# Encoders and Bridges
#
# CONFIG_DRM_EXYNOS_DPI is not set
# CONFIG_DRM_EXYNOS_DSI is not set
CONFIG_DRM_EXYNOS_DP=y
# CONFIG_DRM_EXYNOS_HDMI is not set

#
# Sub-drivers
#
CONFIG_DRM_EXYNOS_G2D=y
CONFIG_DRM_EXYNOS_IPP=y
# CONFIG_DRM_EXYNOS_FIMC is not set
CONFIG_DRM_EXYNOS_ROTATOR=y
CONFIG_DRM_EXYNOS_SCALER=y
# CONFIG_DRM_EXYNOS_GSC is not set
# CONFIG_DRM_UDL is not set
CONFIG_DRM_AST=m
CONFIG_DRM_MGAG200=m
CONFIG_DRM_RCAR_DW_HDMI=m
# CONFIG_DRM_RCAR_USE_LVDS is not set
# CONFIG_DRM_RCAR_MIPI_DSI is not set
# CONFIG_DRM_SUN4I is not set
# CONFIG_DRM_QXL is not set
# CONFIG_DRM_VIRTIO_GPU is not set
CONFIG_DRM_MSM=m
CONFIG_DRM_MSM_GPU_STATE=y
CONFIG_DRM_MSM_GPU_SUDO=y
CONFIG_DRM_MSM_MDSS=y
# CONFIG_DRM_MSM_MDP4 is not set
CONFIG_DRM_MSM_MDP5=y
CONFIG_DRM_MSM_DPU=y
# CONFIG_DRM_MSM_DP is not set
# CONFIG_DRM_MSM_DSI is not set
# CONFIG_DRM_MSM_HDMI is not set
CONFIG_DRM_PANEL=y

#
# Display Panels
#
CONFIG_DRM_PANEL_ABT_Y030XX067A=m
CONFIG_DRM_PANEL_ARM_VERSATILE=m
# CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596 is not set
# CONFIG_DRM_PANEL_BOE_BF060Y8M_AJ0 is not set
CONFIG_DRM_PANEL_BOE_HIMAX8279D=m
# CONFIG_DRM_PANEL_BOE_TV101WUM_NL6 is not set
CONFIG_DRM_PANEL_DSI_CM=m
CONFIG_DRM_PANEL_LVDS=m
# CONFIG_DRM_PANEL_ELIDA_KD35T133 is not set
CONFIG_DRM_PANEL_FEIXIN_K101_IM2BA02=m
# CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D is not set
CONFIG_DRM_PANEL_ILITEK_IL9322=m
# CONFIG_DRM_PANEL_ILITEK_ILI9341 is not set
CONFIG_DRM_PANEL_ILITEK_ILI9881C=m
CONFIG_DRM_PANEL_INNOLUX_EJ030NA=m
CONFIG_DRM_PANEL_INNOLUX_P079ZCA=m
CONFIG_DRM_PANEL_JDI_LT070ME05000=m
CONFIG_DRM_PANEL_JDI_R63452=m
CONFIG_DRM_PANEL_KHADAS_TS050=m
CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04=m
CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W=m
# CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829 is not set
CONFIG_DRM_PANEL_SAMSUNG_LD9040=m
CONFIG_DRM_PANEL_LG_LB035Q02=m
CONFIG_DRM_PANEL_LG_LG4573=m
CONFIG_DRM_PANEL_NEC_NL8048HL11=m
CONFIG_DRM_PANEL_NEWVISION_NV3052C=m
CONFIG_DRM_PANEL_NOVATEK_NT35510=m
# CONFIG_DRM_PANEL_NOVATEK_NT35560 is not set
CONFIG_DRM_PANEL_NOVATEK_NT35950=m
CONFIG_DRM_PANEL_NOVATEK_NT36672A=m
CONFIG_DRM_PANEL_NOVATEK_NT39016=m
CONFIG_DRM_PANEL_MANTIX_MLAF057WE51=m
CONFIG_DRM_PANEL_OLIMEX_LCD_OLINUXINO=m
CONFIG_DRM_PANEL_ORISETECH_OTM8009A=m
CONFIG_DRM_PANEL_OSD_OSD101T2587_53TS=m
CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00=m
# CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN is not set
CONFIG_DRM_PANEL_RAYDIUM_RM67191=m
CONFIG_DRM_PANEL_RAYDIUM_RM68200=m
CONFIG_DRM_PANEL_RONBO_RB070D30=m
CONFIG_DRM_PANEL_SAMSUNG_DB7430=m
# CONFIG_DRM_PANEL_SAMSUNG_S6D16D0 is not set
CONFIG_DRM_PANEL_SAMSUNG_S6D27A1=m
CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2=m
# CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E63M0 is not set
CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01=m
# CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0 is not set
CONFIG_DRM_PANEL_SAMSUNG_SOFEF00=m
# CONFIG_DRM_PANEL_SEIKO_43WVF1G is not set
CONFIG_DRM_PANEL_SHARP_LQ101R1SX01=m
# CONFIG_DRM_PANEL_SHARP_LS037V7DW01 is not set
# CONFIG_DRM_PANEL_SHARP_LS043T1LE01 is not set
CONFIG_DRM_PANEL_SHARP_LS060T1SX01=m
# CONFIG_DRM_PANEL_SITRONIX_ST7701 is not set
CONFIG_DRM_PANEL_SITRONIX_ST7703=m
# CONFIG_DRM_PANEL_SITRONIX_ST7789V is not set
CONFIG_DRM_PANEL_SONY_ACX565AKM=m
CONFIG_DRM_PANEL_SONY_TULIP_TRULY_NT35521=m
# CONFIG_DRM_PANEL_TDO_TL070WSH30 is not set
CONFIG_DRM_PANEL_TPO_TD028TTEC1=m
# CONFIG_DRM_PANEL_TPO_TD043MTEA1 is not set
CONFIG_DRM_PANEL_TPO_TPG110=m
# CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA is not set
# CONFIG_DRM_PANEL_VISIONOX_RM69299 is not set
CONFIG_DRM_PANEL_WIDECHIPS_WS2401=m
CONFIG_DRM_PANEL_XINPENG_XPP055C272=m
# end of Display Panels

CONFIG_DRM_BRIDGE=y
CONFIG_DRM_PANEL_BRIDGE=y

#
# Display Interface Bridges
#
# CONFIG_DRM_CDNS_DSI is not set
CONFIG_DRM_CHIPONE_ICN6211=m
# CONFIG_DRM_CHRONTEL_CH7033 is not set
# CONFIG_DRM_CROS_EC_ANX7688 is not set
# CONFIG_DRM_DISPLAY_CONNECTOR is not set
CONFIG_DRM_FSL_LDB=m
# CONFIG_DRM_ITE_IT6505 is not set
CONFIG_DRM_LONTIUM_LT8912B=m
CONFIG_DRM_LONTIUM_LT9211=m
CONFIG_DRM_LONTIUM_LT9611=m
# CONFIG_DRM_LONTIUM_LT9611UXC is not set
CONFIG_DRM_ITE_IT66121=m
CONFIG_DRM_LVDS_CODEC=m
# CONFIG_DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW is not set
# CONFIG_DRM_NWL_MIPI_DSI is not set
CONFIG_DRM_NXP_PTN3460=m
CONFIG_DRM_PARADE_PS8622=m
# CONFIG_DRM_PARADE_PS8640 is not set
# CONFIG_DRM_SIL_SII8620 is not set
CONFIG_DRM_SII902X=m
# CONFIG_DRM_SII9234 is not set
# CONFIG_DRM_SIMPLE_BRIDGE is not set
CONFIG_DRM_THINE_THC63LVD1024=m
CONFIG_DRM_TOSHIBA_TC358762=m
# CONFIG_DRM_TOSHIBA_TC358764 is not set
# CONFIG_DRM_TOSHIBA_TC358767 is not set
CONFIG_DRM_TOSHIBA_TC358768=m
CONFIG_DRM_TOSHIBA_TC358775=m
CONFIG_DRM_TI_TFP410=m
# CONFIG_DRM_TI_SN65DSI83 is not set
CONFIG_DRM_TI_SN65DSI86=m
CONFIG_DRM_TI_TPD12S015=m
CONFIG_DRM_ANALOGIX_ANX6345=m
# CONFIG_DRM_ANALOGIX_ANX78XX is not set
CONFIG_DRM_ANALOGIX_DP=m
# CONFIG_DRM_ANALOGIX_ANX7625 is not set
# CONFIG_DRM_I2C_ADV7511 is not set
CONFIG_DRM_CDNS_MHDP8546=m
CONFIG_DRM_CDNS_MHDP8546_J721E=y
CONFIG_DRM_DW_HDMI=m
# CONFIG_DRM_DW_HDMI_AHB_AUDIO is not set
CONFIG_DRM_DW_HDMI_GP_AUDIO=m
CONFIG_DRM_DW_HDMI_CEC=m
# end of Display Interface Bridges

CONFIG_DRM_IMX=m
CONFIG_DRM_IMX_PARALLEL_DISPLAY=m
CONFIG_DRM_IMX_TVE=m
# CONFIG_DRM_IMX_LDB is not set
CONFIG_DRM_IMX_HDMI=m
# CONFIG_DRM_INGENIC is not set
CONFIG_DRM_V3D=m
# CONFIG_DRM_ETNAVIV is not set
CONFIG_DRM_HISI_HIBMC=m
# CONFIG_DRM_MXSFB is not set
CONFIG_DRM_ARCPGU=m
CONFIG_DRM_BOCHS=m
CONFIG_DRM_CIRRUS_QEMU=m
CONFIG_DRM_GM12U320=m
CONFIG_DRM_PANEL_MIPI_DBI=m
# CONFIG_DRM_SIMPLEDRM is not set
# CONFIG_TINYDRM_HX8357D is not set
CONFIG_TINYDRM_ILI9163=m
CONFIG_TINYDRM_ILI9225=m
CONFIG_TINYDRM_ILI9341=m
CONFIG_TINYDRM_ILI9486=m
# CONFIG_TINYDRM_MI0283QT is not set
# CONFIG_TINYDRM_REPAPER is not set
# CONFIG_TINYDRM_ST7586 is not set
CONFIG_TINYDRM_ST7735R=m
CONFIG_DRM_PL111=m
CONFIG_DRM_TVE200=m
CONFIG_DRM_LIMA=m
CONFIG_DRM_ASPEED_GFX=m
CONFIG_DRM_MCDE=m
CONFIG_DRM_TIDSS=m
# CONFIG_DRM_GUD is not set
# CONFIG_DRM_SSD130X is not set
CONFIG_DRM_SPRD=m
CONFIG_DRM_LEGACY=y
CONFIG_DRM_TDFX=m
CONFIG_DRM_R128=m
CONFIG_DRM_MGA=m
CONFIG_DRM_VIA=m
CONFIG_DRM_SAVAGE=m
CONFIG_DRM_EXPORT_FOR_TESTS=y
CONFIG_DRM_PANEL_ORIENTATION_QUIRKS=m
CONFIG_DRM_NOMODESET=y
CONFIG_DRM_LIB_RANDOM=y

#
# Frame buffer Devices
#
CONFIG_FB_CMDLINE=y
# CONFIG_FB is not set
# CONFIG_MMP_DISP is not set
# end of Frame buffer Devices

#
# Backlight & LCD device support
#
CONFIG_LCD_CLASS_DEVICE=m
CONFIG_LCD_L4F00242T03=m
# CONFIG_LCD_LMS283GF05 is not set
# CONFIG_LCD_LTV350QV is not set
CONFIG_LCD_ILI922X=m
CONFIG_LCD_ILI9320=m
CONFIG_LCD_TDO24M=m
CONFIG_LCD_VGG2432A4=m
# CONFIG_LCD_PLATFORM is not set
CONFIG_LCD_AMS369FG06=m
CONFIG_LCD_LMS501KF03=m
CONFIG_LCD_HX8357=m
# CONFIG_LCD_OTM3225A is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=m
# CONFIG_BACKLIGHT_KTD253 is not set
# CONFIG_BACKLIGHT_LM3533 is not set
CONFIG_BACKLIGHT_OMAP1=m
CONFIG_BACKLIGHT_PWM=m
CONFIG_BACKLIGHT_DA9052=m
CONFIG_BACKLIGHT_MAX8925=m
CONFIG_BACKLIGHT_QCOM_WLED=m
CONFIG_BACKLIGHT_RT4831=m
# CONFIG_BACKLIGHT_WM831X is not set
CONFIG_BACKLIGHT_ADP5520=m
CONFIG_BACKLIGHT_ADP8860=m
CONFIG_BACKLIGHT_ADP8870=m
CONFIG_BACKLIGHT_PCF50633=m
CONFIG_BACKLIGHT_AAT2870=m
CONFIG_BACKLIGHT_LM3630A=m
CONFIG_BACKLIGHT_LM3639=m
# CONFIG_BACKLIGHT_LP855X is not set
CONFIG_BACKLIGHT_PANDORA=m
# CONFIG_BACKLIGHT_SKY81452 is not set
CONFIG_BACKLIGHT_GPIO=m
# CONFIG_BACKLIGHT_LV5207LP is not set
CONFIG_BACKLIGHT_BD6107=m
# CONFIG_BACKLIGHT_ARCXCNN is not set
# CONFIG_BACKLIGHT_LED is not set
# end of Backlight & LCD device support

CONFIG_VIDEOMODE_HELPERS=y
CONFIG_HDMI=y
# end of Graphics support

CONFIG_SOUND=m
CONFIG_SND=m
CONFIG_SND_TIMER=m
CONFIG_SND_PCM=m
CONFIG_SND_PCM_ELD=y
CONFIG_SND_PCM_IEC958=y
CONFIG_SND_HWDEP=m
CONFIG_SND_SEQ_DEVICE=m
CONFIG_SND_RAWMIDI=m
CONFIG_SND_JACK=y
CONFIG_SND_JACK_INPUT_DEV=y
# CONFIG_SND_OSSEMUL is not set
CONFIG_SND_PCM_TIMER=y
CONFIG_SND_HRTIMER=m
CONFIG_SND_DYNAMIC_MINORS=y
CONFIG_SND_MAX_CARDS=32
CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_PROC_FS=y
# CONFIG_SND_VERBOSE_PROCFS is not set
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set
CONFIG_SND_VMASTER=y
CONFIG_SND_SEQUENCER=m
CONFIG_SND_SEQ_DUMMY=m
# CONFIG_SND_SEQ_HRTIMER_DEFAULT is not set
CONFIG_SND_SEQ_MIDI_EVENT=m
CONFIG_SND_SEQ_MIDI=m
CONFIG_SND_SEQ_MIDI_EMUL=m
CONFIG_SND_MPU401_UART=m
CONFIG_SND_OPL3_LIB=m
CONFIG_SND_OPL3_LIB_SEQ=m
CONFIG_SND_VX_LIB=m
CONFIG_SND_AC97_CODEC=m
# CONFIG_SND_DRIVERS is not set
CONFIG_SND_PCI=y
CONFIG_SND_AD1889=m
# CONFIG_SND_ATIIXP is not set
# CONFIG_SND_ATIIXP_MODEM is not set
# CONFIG_SND_AU8810 is not set
CONFIG_SND_AU8820=m
CONFIG_SND_AU8830=m
# CONFIG_SND_AW2 is not set
CONFIG_SND_BT87X=m
CONFIG_SND_BT87X_OVERCLOCK=y
# CONFIG_SND_CA0106 is not set
# CONFIG_SND_CMIPCI is not set
CONFIG_SND_OXYGEN_LIB=m
CONFIG_SND_OXYGEN=m
CONFIG_SND_CS4281=m
CONFIG_SND_CS46XX=m
# CONFIG_SND_CS46XX_NEW_DSP is not set
# CONFIG_SND_CS5535AUDIO is not set
CONFIG_SND_CTXFI=m
CONFIG_SND_DARLA20=m
# CONFIG_SND_GINA20 is not set
# CONFIG_SND_LAYLA20 is not set
CONFIG_SND_DARLA24=m
CONFIG_SND_GINA24=m
CONFIG_SND_LAYLA24=m
# CONFIG_SND_MONA is not set
CONFIG_SND_MIA=m
# CONFIG_SND_ECHO3G is not set
# CONFIG_SND_INDIGO is not set
CONFIG_SND_INDIGOIO=m
CONFIG_SND_INDIGODJ=m
CONFIG_SND_INDIGOIOX=m
# CONFIG_SND_INDIGODJX is not set
# CONFIG_SND_ENS1370 is not set
CONFIG_SND_ENS1371=m
CONFIG_SND_FM801=m
CONFIG_SND_HDSP=m
CONFIG_SND_HDSPM=m
CONFIG_SND_ICE1724=m
CONFIG_SND_INTEL8X0=m
CONFIG_SND_INTEL8X0M=m
CONFIG_SND_KORG1212=m
CONFIG_SND_LOLA=m
CONFIG_SND_LX6464ES=m
CONFIG_SND_MIXART=m
# CONFIG_SND_NM256 is not set
CONFIG_SND_PCXHR=m
CONFIG_SND_RIPTIDE=m
# CONFIG_SND_RME32 is not set
CONFIG_SND_RME96=m
CONFIG_SND_RME9652=m
CONFIG_SND_VIA82XX=m
CONFIG_SND_VIA82XX_MODEM=m
# CONFIG_SND_VIRTUOSO is not set
CONFIG_SND_VX222=m
CONFIG_SND_YMFPCI=m

#
# HD-Audio
#
# CONFIG_SND_HDA_INTEL is not set
# end of HD-Audio

CONFIG_SND_HDA_PREALLOC_SIZE=64
CONFIG_SND_SPI=y
# CONFIG_SND_AT73C213 is not set
CONFIG_SND_USB=y
CONFIG_SND_USB_AUDIO=m
CONFIG_SND_USB_UA101=m
CONFIG_SND_USB_CAIAQ=m
# CONFIG_SND_USB_CAIAQ_INPUT is not set
# CONFIG_SND_USB_US122L is not set
CONFIG_SND_USB_6FIRE=m
CONFIG_SND_USB_HIFACE=m
# CONFIG_SND_BCD2000 is not set
CONFIG_SND_USB_LINE6=m
CONFIG_SND_USB_POD=m
CONFIG_SND_USB_PODHD=m
CONFIG_SND_USB_TONEPORT=m
# CONFIG_SND_USB_VARIAX is not set
# CONFIG_SND_SOC is not set
CONFIG_SND_VIRTIO=m
CONFIG_AC97_BUS=m

#
# HID support
#
CONFIG_HID=m
CONFIG_HID_BATTERY_STRENGTH=y
# CONFIG_HIDRAW is not set
CONFIG_UHID=m
# CONFIG_HID_GENERIC is not set

#
# Special HID drivers
#
CONFIG_HID_A4TECH=m
CONFIG_HID_ACCUTOUCH=m
CONFIG_HID_ACRUX=m
# CONFIG_HID_ACRUX_FF is not set
CONFIG_HID_APPLE=m
CONFIG_HID_APPLEIR=m
# CONFIG_HID_ASUS is not set
CONFIG_HID_AUREAL=m
# CONFIG_HID_BELKIN is not set
# CONFIG_HID_BETOP_FF is not set
CONFIG_HID_BIGBEN_FF=m
# CONFIG_HID_CHERRY is not set
CONFIG_HID_CHICONY=m
CONFIG_HID_CORSAIR=m
CONFIG_HID_COUGAR=m
CONFIG_HID_MACALLY=m
CONFIG_HID_PRODIKEYS=m
CONFIG_HID_CMEDIA=m
CONFIG_HID_CREATIVE_SB0540=m
CONFIG_HID_CYPRESS=m
# CONFIG_HID_DRAGONRISE is not set
# CONFIG_HID_EMS_FF is not set
# CONFIG_HID_ELAN is not set
CONFIG_HID_ELECOM=m
CONFIG_HID_ELO=m
CONFIG_HID_EZKEY=m
CONFIG_HID_GEMBIRD=m
CONFIG_HID_GFRM=m
# CONFIG_HID_GLORIOUS is not set
CONFIG_HID_HOLTEK=m
CONFIG_HOLTEK_FF=y
# CONFIG_HID_VIVALDI is not set
CONFIG_HID_GT683R=m
CONFIG_HID_KEYTOUCH=m
CONFIG_HID_KYE=m
CONFIG_HID_UCLOGIC=m
CONFIG_HID_WALTOP=m
CONFIG_HID_VIEWSONIC=m
CONFIG_HID_XIAOMI=m
CONFIG_HID_GYRATION=m
CONFIG_HID_ICADE=m
# CONFIG_HID_ITE is not set
# CONFIG_HID_JABRA is not set
CONFIG_HID_TWINHAN=m
# CONFIG_HID_KENSINGTON is not set
CONFIG_HID_LCPOWER=m
CONFIG_HID_LED=m
CONFIG_HID_LENOVO=m
CONFIG_HID_LETSKETCH=m
CONFIG_HID_LOGITECH=m
CONFIG_HID_LOGITECH_HIDPP=m
CONFIG_LOGITECH_FF=y
# CONFIG_LOGIRUMBLEPAD2_FF is not set
CONFIG_LOGIG940_FF=y
CONFIG_LOGIWHEELS_FF=y
# CONFIG_HID_MAGICMOUSE is not set
# CONFIG_HID_MALTRON is not set
CONFIG_HID_MAYFLASH=m
# CONFIG_HID_MEGAWORLD_FF is not set
# CONFIG_HID_REDRAGON is not set
CONFIG_HID_MICROSOFT=m
# CONFIG_HID_MONTEREY is not set
CONFIG_HID_MULTITOUCH=m
CONFIG_HID_NINTENDO=m
# CONFIG_NINTENDO_FF is not set
CONFIG_HID_NTI=m
CONFIG_HID_NTRIG=m
CONFIG_HID_ORTEK=m
CONFIG_HID_PANTHERLORD=m
# CONFIG_PANTHERLORD_FF is not set
# CONFIG_HID_PENMOUNT is not set
# CONFIG_HID_PETALYNX is not set
CONFIG_HID_PICOLCD=m
# CONFIG_HID_PICOLCD_BACKLIGHT is not set
# CONFIG_HID_PICOLCD_LCD is not set
CONFIG_HID_PICOLCD_LEDS=y
CONFIG_HID_PICOLCD_CIR=y
# CONFIG_HID_PLANTRONICS is not set
CONFIG_HID_PLAYSTATION=m
# CONFIG_PLAYSTATION_FF is not set
CONFIG_HID_RAZER=m
# CONFIG_HID_PRIMAX is not set
# CONFIG_HID_RETRODE is not set
CONFIG_HID_ROCCAT=m
# CONFIG_HID_SAITEK is not set
# CONFIG_HID_SAMSUNG is not set
# CONFIG_HID_SEMITEK is not set
CONFIG_HID_SIGMAMICRO=m
# CONFIG_HID_SONY is not set
# CONFIG_HID_SPEEDLINK is not set
CONFIG_HID_STEAM=m
# CONFIG_HID_STEELSERIES is not set
CONFIG_HID_SUNPLUS=m
# CONFIG_HID_RMI is not set
CONFIG_HID_GREENASIA=m
# CONFIG_GREENASIA_FF is not set
CONFIG_HID_SMARTJOYPLUS=m
# CONFIG_SMARTJOYPLUS_FF is not set
# CONFIG_HID_TIVO is not set
CONFIG_HID_TOPSEED=m
CONFIG_HID_THINGM=m
CONFIG_HID_THRUSTMASTER=m
CONFIG_THRUSTMASTER_FF=y
# CONFIG_HID_UDRAW_PS3 is not set
CONFIG_HID_U2FZERO=m
# CONFIG_HID_WACOM is not set
# CONFIG_HID_WIIMOTE is not set
# CONFIG_HID_XINMO is not set
CONFIG_HID_ZEROPLUS=m
CONFIG_ZEROPLUS_FF=y
# CONFIG_HID_ZYDACRON is not set
CONFIG_HID_SENSOR_HUB=m
# CONFIG_HID_SENSOR_CUSTOM_SENSOR is not set
CONFIG_HID_ALPS=m
# CONFIG_HID_MCP2221 is not set
# end of Special HID drivers

#
# USB HID support
#
CONFIG_USB_HID=m
CONFIG_HID_PID=y
CONFIG_USB_HIDDEV=y

#
# USB HID Boot Protocol drivers
#
# CONFIG_USB_KBD is not set
CONFIG_USB_MOUSE=m
# end of USB HID Boot Protocol drivers
# end of USB HID support

#
# I2C HID support
#
CONFIG_I2C_HID_OF=m
CONFIG_I2C_HID_OF_GOODIX=m
# end of I2C HID support

CONFIG_I2C_HID_CORE=m

#
# Intel ISH HID support
#
# end of Intel ISH HID support

#
# AMD SFH HID Support
#
CONFIG_AMD_SFH_HID=m
# end of AMD SFH HID Support
# end of HID support

CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_COMMON=y
CONFIG_USB_ULPI_BUS=y
# CONFIG_USB_CONN_GPIO is not set
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB=y
CONFIG_USB_PCI=y
# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set

#
# Miscellaneous USB options
#
# CONFIG_USB_DEFAULT_PERSIST is not set
# CONFIG_USB_FEW_INIT_RETRIES is not set
CONFIG_USB_DYNAMIC_MINORS=y
# CONFIG_USB_OTG_PRODUCTLIST is not set
CONFIG_USB_OTG_DISABLE_EXTERNAL_HUB=y
CONFIG_USB_AUTOSUSPEND_DELAY=2
# CONFIG_USB_MON is not set

#
# USB Host Controller Drivers
#
CONFIG_USB_C67X00_HCD=m
# CONFIG_USB_XHCI_HCD is not set
# CONFIG_USB_BRCMSTB is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_PCI=y
CONFIG_USB_EHCI_FSL=y
# CONFIG_USB_EHCI_HCD_NPCM7XX is not set
CONFIG_USB_EHCI_HCD_ORION=y
CONFIG_USB_EHCI_HCD_SPEAR=m
CONFIG_USB_EHCI_HCD_STI=y
CONFIG_USB_EHCI_HCD_AT91=y
# CONFIG_USB_EHCI_SH is not set
CONFIG_USB_EHCI_EXYNOS=y
CONFIG_USB_EHCI_MV=y
CONFIG_USB_CNS3XXX_EHCI=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OXU210HP_HCD=y
CONFIG_USB_ISP116X_HCD=m
# CONFIG_USB_ISP1362_HCD is not set
# CONFIG_USB_FOTG210_HCD is not set
CONFIG_USB_MAX3421_HCD=m
# CONFIG_USB_OHCI_HCD is not set
CONFIG_USB_UHCI_HCD=m
# CONFIG_USB_U132_HCD is not set
CONFIG_USB_SL811_HCD=y
# CONFIG_USB_SL811_HCD_ISO is not set
CONFIG_USB_R8A66597_HCD=m
CONFIG_USB_RENESAS_USBHS_HCD=m
CONFIG_USB_HCD_BCMA=m
# CONFIG_USB_HCD_SSB is not set
# CONFIG_USB_HCD_TEST_MODE is not set
CONFIG_USB_RENESAS_USBHS=y

#
# USB Device Class drivers
#
CONFIG_USB_PRINTER=m
CONFIG_USB_WDM=m
CONFIG_USB_TMC=m

#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#

#
# also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_STORAGE=m
CONFIG_USB_STORAGE_DEBUG=y
CONFIG_USB_STORAGE_REALTEK=m
CONFIG_USB_STORAGE_DATAFAB=m
CONFIG_USB_STORAGE_FREECOM=m
CONFIG_USB_STORAGE_ISD200=m
# CONFIG_USB_STORAGE_USBAT is not set
# CONFIG_USB_STORAGE_SDDR09 is not set
# CONFIG_USB_STORAGE_SDDR55 is not set
# CONFIG_USB_STORAGE_JUMPSHOT is not set
CONFIG_USB_STORAGE_ALAUDA=m
CONFIG_USB_STORAGE_ONETOUCH=m
# CONFIG_USB_STORAGE_KARMA is not set
# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
CONFIG_USB_STORAGE_ENE_UB6250=m
# CONFIG_USB_UAS is not set

#
# USB Imaging devices
#
CONFIG_USB_MDC800=m
CONFIG_USB_MICROTEK=y
CONFIG_USB_CDNS_SUPPORT=y
CONFIG_USB_CDNS3=m
CONFIG_USB_CDNS3_GADGET=y
# CONFIG_USB_CDNS3_HOST is not set
# CONFIG_USB_CDNS3_TI is not set
CONFIG_USB_CDNS3_IMX=m
CONFIG_USB_MTU3=m
# CONFIG_USB_MTU3_HOST is not set
# CONFIG_USB_MTU3_GADGET is not set
CONFIG_USB_MTU3_DUAL_ROLE=y
# CONFIG_USB_MTU3_DEBUG is not set
# CONFIG_USB_MUSB_HDRC is not set
CONFIG_USB_DWC3=m
CONFIG_USB_DWC3_ULPI=y
CONFIG_USB_DWC3_HOST=y
# CONFIG_USB_DWC3_GADGET is not set
# CONFIG_USB_DWC3_DUAL_ROLE is not set

#
# Platform Glue Driver Support
#
CONFIG_USB_DWC3_OMAP=m
# CONFIG_USB_DWC3_EXYNOS is not set
CONFIG_USB_DWC3_HAPS=m
CONFIG_USB_DWC3_KEYSTONE=m
CONFIG_USB_DWC3_MESON_G12A=m
CONFIG_USB_DWC3_OF_SIMPLE=m
# CONFIG_USB_DWC3_ST is not set
# CONFIG_USB_DWC3_QCOM is not set
CONFIG_USB_DWC3_IMX8MP=m
# CONFIG_USB_DWC3_AM62 is not set
# CONFIG_USB_DWC2 is not set
# CONFIG_USB_CHIPIDEA is not set
CONFIG_USB_ISP1760=m
CONFIG_USB_ISP1760_HCD=y
CONFIG_USB_ISP1760_HOST_ROLE=y
# CONFIG_USB_ISP1760_GADGET_ROLE is not set
# CONFIG_USB_ISP1760_DUAL_ROLE is not set

#
# USB port drivers
#

#
# USB Miscellaneous drivers
#
CONFIG_USB_EMI62=m
CONFIG_USB_EMI26=m
CONFIG_USB_ADUTUX=m
CONFIG_USB_SEVSEG=y
CONFIG_USB_LEGOTOWER=y
CONFIG_USB_LCD=y
# CONFIG_USB_CYPRESS_CY7C63 is not set
CONFIG_USB_CYTHERM=m
# CONFIG_USB_IDMOUSE is not set
CONFIG_USB_FTDI_ELAN=y
# CONFIG_USB_APPLEDISPLAY is not set
CONFIG_USB_QCOM_EUD=y
CONFIG_APPLE_MFI_FASTCHARGE=m
CONFIG_USB_SISUSBVGA=y
CONFIG_USB_LD=m
# CONFIG_USB_TRANCEVIBRATOR is not set
CONFIG_USB_IOWARRIOR=m
CONFIG_USB_TEST=y
# CONFIG_USB_EHSET_TEST_FIXTURE is not set
CONFIG_USB_ISIGHTFW=y
CONFIG_USB_YUREX=m
# CONFIG_USB_EZUSB_FX2 is not set
CONFIG_USB_HUB_USB251XB=m
# CONFIG_USB_HSIC_USB3503 is not set
# CONFIG_USB_HSIC_USB4604 is not set
# CONFIG_USB_LINK_LAYER_TEST is not set
CONFIG_USB_CHAOSKEY=m
# CONFIG_BRCM_USB_PINMAP is not set

#
# USB Physical Layer drivers
#
CONFIG_USB_PHY=y
# CONFIG_NOP_USB_XCEIV is not set
# CONFIG_USB_GPIO_VBUS is not set
CONFIG_TAHVO_USB=m
# CONFIG_TAHVO_USB_HOST_BY_DEFAULT is not set
CONFIG_USB_ISP1301=m
CONFIG_USB_TEGRA_PHY=m
CONFIG_USB_ULPI=y
CONFIG_USB_ULPI_VIEWPORT=y
CONFIG_JZ4770_PHY=m
# end of USB Physical Layer drivers

CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_DEBUG=y
CONFIG_USB_GADGET_VERBOSE=y
# CONFIG_USB_GADGET_DEBUG_FILES is not set
CONFIG_USB_GADGET_DEBUG_FS=y
CONFIG_USB_GADGET_VBUS_DRAW=2
CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2

#
# USB Peripheral Controller
#
# CONFIG_USB_LPC32XX is not set
CONFIG_USB_FUSB300=m
# CONFIG_USB_FOTG210_UDC is not set
# CONFIG_USB_GR_UDC is not set
# CONFIG_USB_R8A66597 is not set
CONFIG_USB_RENESAS_USBHS_UDC=m
CONFIG_USB_RENESAS_USB3=y
CONFIG_USB_PXA27X=m
# CONFIG_USB_MV_UDC is not set
CONFIG_USB_MV_U3D=y
CONFIG_USB_SNP_CORE=m
CONFIG_USB_SNP_UDC_PLAT=m
CONFIG_USB_M66592=y
CONFIG_USB_BDC_UDC=y
# CONFIG_USB_AMD5536UDC is not set
# CONFIG_USB_NET2272 is not set
# CONFIG_USB_NET2280 is not set
CONFIG_USB_GOKU=y
CONFIG_USB_EG20T=y
# CONFIG_USB_GADGET_XILINX is not set
CONFIG_USB_MAX3420_UDC=m
# CONFIG_USB_ASPEED_VHUB is not set
CONFIG_USB_DUMMY_HCD=y
# end of USB Peripheral Controller

CONFIG_USB_LIBCOMPOSITE=y
CONFIG_USB_F_SS_LB=m
CONFIG_USB_U_AUDIO=m
CONFIG_USB_F_MASS_STORAGE=m
CONFIG_USB_F_FS=y
CONFIG_USB_F_UAC1=m
CONFIG_USB_F_UAC1_LEGACY=m
CONFIG_USB_F_UAC2=m
CONFIG_USB_F_MIDI=m
CONFIG_USB_F_HID=y
CONFIG_USB_F_PRINTER=m
CONFIG_USB_CONFIGFS=m
CONFIG_USB_CONFIGFS_MASS_STORAGE=y
CONFIG_USB_CONFIGFS_F_LB_SS=y
# CONFIG_USB_CONFIGFS_F_FS is not set
CONFIG_USB_CONFIGFS_F_UAC1=y
CONFIG_USB_CONFIGFS_F_UAC1_LEGACY=y
CONFIG_USB_CONFIGFS_F_UAC2=y
CONFIG_USB_CONFIGFS_F_MIDI=y
CONFIG_USB_CONFIGFS_F_HID=y
CONFIG_USB_CONFIGFS_F_PRINTER=y
# CONFIG_USB_CONFIGFS_F_TCM is not set

#
# USB Gadget precomposed configurations
#
CONFIG_USB_ZERO=m
CONFIG_USB_AUDIO=m
# CONFIG_GADGET_UAC1 is not set
CONFIG_USB_GADGETFS=y
CONFIG_USB_FUNCTIONFS=y
CONFIG_USB_FUNCTIONFS_GENERIC=y
# CONFIG_USB_MASS_STORAGE is not set
# CONFIG_USB_GADGET_TARGET is not set
# CONFIG_USB_MIDI_GADGET is not set
# CONFIG_USB_G_PRINTER is not set
CONFIG_USB_G_HID=y
CONFIG_USB_RAW_GADGET=m
# end of USB Gadget precomposed configurations

CONFIG_TYPEC=m
CONFIG_TYPEC_TCPM=m
# CONFIG_TYPEC_TCPCI is not set
CONFIG_TYPEC_FUSB302=m
CONFIG_TYPEC_UCSI=m
CONFIG_UCSI_CCG=m
CONFIG_TYPEC_TPS6598X=m
CONFIG_TYPEC_RT1719=m
CONFIG_TYPEC_HD3SS3220=m
# CONFIG_TYPEC_STUSB160X is not set
# CONFIG_TYPEC_QCOM_PMIC is not set
# CONFIG_TYPEC_WUSB3801 is not set

#
# USB Type-C Multiplexer/DeMultiplexer Switch support
#
CONFIG_TYPEC_MUX_FSA4480=m
# CONFIG_TYPEC_MUX_PI3USB30532 is not set
# end of USB Type-C Multiplexer/DeMultiplexer Switch support

#
# USB Type-C Alternate Mode drivers
#
CONFIG_TYPEC_DP_ALTMODE=m
# CONFIG_TYPEC_NVIDIA_ALTMODE is not set
# end of USB Type-C Alternate Mode drivers

CONFIG_USB_ROLE_SWITCH=y
# CONFIG_MMC is not set
CONFIG_SCSI_UFSHCD=m
# CONFIG_SCSI_UFS_BSG is not set
# CONFIG_SCSI_UFS_HPB is not set
# CONFIG_SCSI_UFS_FAULT_INJECTION is not set
# CONFIG_SCSI_UFS_HWMON is not set
# CONFIG_SCSI_UFSHCD_PCI is not set
CONFIG_SCSI_UFSHCD_PLATFORM=m
CONFIG_SCSI_UFS_CDNS_PLATFORM=m
CONFIG_SCSI_UFS_DWC_TC_PLATFORM=m
# CONFIG_SCSI_UFS_HISI is not set
CONFIG_SCSI_UFS_TI_J721E=m
CONFIG_SCSI_UFS_EXYNOS=m
# CONFIG_MEMSTICK is not set
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=m
CONFIG_LEDS_CLASS_FLASH=m
CONFIG_LEDS_CLASS_MULTICOLOR=m
CONFIG_LEDS_BRIGHTNESS_HW_CHANGED=y

#
# LED drivers
#
# CONFIG_LEDS_AN30259A is not set
CONFIG_LEDS_ARIEL=m
CONFIG_LEDS_AW2013=m
CONFIG_LEDS_BCM6328=m
# CONFIG_LEDS_BCM6358 is not set
# CONFIG_LEDS_CPCAP is not set
CONFIG_LEDS_CR0014114=m
CONFIG_LEDS_EL15203000=m
# CONFIG_LEDS_TURRIS_OMNIA is not set
CONFIG_LEDS_LM3530=m
# CONFIG_LEDS_LM3532 is not set
CONFIG_LEDS_LM3533=m
CONFIG_LEDS_LM3642=m
CONFIG_LEDS_LM3692X=m
CONFIG_LEDS_MT6323=m
CONFIG_LEDS_S3C24XX=m
CONFIG_LEDS_COBALT_QUBE=m
CONFIG_LEDS_PCA9532=m
# CONFIG_LEDS_PCA9532_GPIO is not set
CONFIG_LEDS_GPIO=m
CONFIG_LEDS_LP3944=m
CONFIG_LEDS_LP3952=m
CONFIG_LEDS_LP50XX=m
CONFIG_LEDS_LP55XX_COMMON=m
CONFIG_LEDS_LP5521=m
CONFIG_LEDS_LP5523=m
# CONFIG_LEDS_LP5562 is not set
# CONFIG_LEDS_LP8501 is not set
CONFIG_LEDS_LP8860=m
# CONFIG_LEDS_PCA955X is not set
CONFIG_LEDS_PCA963X=m
CONFIG_LEDS_WM831X_STATUS=m
# CONFIG_LEDS_WM8350 is not set
# CONFIG_LEDS_DA9052 is not set
# CONFIG_LEDS_DAC124S085 is not set
CONFIG_LEDS_PWM=m
# CONFIG_LEDS_REGULATOR is not set
# CONFIG_LEDS_BD2802 is not set
CONFIG_LEDS_LT3593=m
CONFIG_LEDS_ADP5520=m
CONFIG_LEDS_MC13783=m
CONFIG_LEDS_NS2=m
# CONFIG_LEDS_NETXBIG is not set
CONFIG_LEDS_TCA6507=m
# CONFIG_LEDS_TLC591XX is not set
CONFIG_LEDS_MAX77650=m
# CONFIG_LEDS_LM355x is not set
# CONFIG_LEDS_OT200 is not set
# CONFIG_LEDS_MENF21BMC is not set
CONFIG_LEDS_IS31FL319X=m
CONFIG_LEDS_IS31FL32XX=m

#
# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)
#
# CONFIG_LEDS_BLINKM is not set
CONFIG_LEDS_PM8058=m
# CONFIG_LEDS_MLXREG is not set
CONFIG_LEDS_USER=m
CONFIG_LEDS_SPI_BYTE=m
CONFIG_LEDS_TI_LMU_COMMON=m
CONFIG_LEDS_LM3697=m
CONFIG_LEDS_LM36274=m
# CONFIG_LEDS_TPS6105X is not set
# CONFIG_LEDS_IP30 is not set
CONFIG_LEDS_ACER_A500=m
CONFIG_LEDS_LGM=m

#
# Flash and Torch LED drivers
#
CONFIG_LEDS_AAT1290=m
# CONFIG_LEDS_AS3645A is not set
# CONFIG_LEDS_KTD2692 is not set
CONFIG_LEDS_LM3601X=m
CONFIG_LEDS_MAX77693=m
# CONFIG_LEDS_MT6360 is not set
CONFIG_LEDS_RT4505=m
# CONFIG_LEDS_RT8515 is not set
CONFIG_LEDS_SGM3140=m

#
# RGB LED drivers
#
# CONFIG_LEDS_PWM_MULTICOLOR is not set

#
# LED Triggers
#
# CONFIG_LEDS_TRIGGERS is not set

#
# Simple LED drivers
#
CONFIG_ACCESSIBILITY=y

#
# Speakup console speech
#
# end of Speakup console speech

CONFIG_EDAC_SUPPORT=y
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
# CONFIG_RTC_HCTOSYS is not set
# CONFIG_RTC_SYSTOHC is not set
CONFIG_RTC_DEBUG=y
# CONFIG_RTC_NVMEM is not set

#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
# CONFIG_RTC_INTF_DEV is not set
# CONFIG_RTC_DRV_TEST is not set

#
# I2C RTC drivers
#
# CONFIG_RTC_DRV_88PM80X is not set
CONFIG_RTC_DRV_ABB5ZES3=m
# CONFIG_RTC_DRV_ABEOZ9 is not set
# CONFIG_RTC_DRV_ABX80X is not set
CONFIG_RTC_DRV_BRCMSTB=y
CONFIG_RTC_DRV_AS3722=m
CONFIG_RTC_DRV_DS1307=m
CONFIG_RTC_DRV_DS1307_CENTURY=y
CONFIG_RTC_DRV_DS1374=y
CONFIG_RTC_DRV_DS1672=m
CONFIG_RTC_DRV_HYM8563=m
CONFIG_RTC_DRV_MAX6900=m
CONFIG_RTC_DRV_MAX8907=y
# CONFIG_RTC_DRV_MAX8925 is not set
# CONFIG_RTC_DRV_MAX8998 is not set
CONFIG_RTC_DRV_MAX77686=y
CONFIG_RTC_DRV_RK808=m
# CONFIG_RTC_DRV_RS5C372 is not set
CONFIG_RTC_DRV_ISL1208=y
CONFIG_RTC_DRV_ISL12022=y
CONFIG_RTC_DRV_ISL12026=y
# CONFIG_RTC_DRV_X1205 is not set
CONFIG_RTC_DRV_PCF8523=y
# CONFIG_RTC_DRV_PCF85063 is not set
# CONFIG_RTC_DRV_PCF85363 is not set
# CONFIG_RTC_DRV_PCF8563 is not set
CONFIG_RTC_DRV_PCF8583=y
CONFIG_RTC_DRV_M41T80=m
CONFIG_RTC_DRV_M41T80_WDT=y
# CONFIG_RTC_DRV_BQ32K is not set
# CONFIG_RTC_DRV_TWL4030 is not set
CONFIG_RTC_DRV_TPS6586X=y
CONFIG_RTC_DRV_RC5T583=y
CONFIG_RTC_DRV_RC5T619=m
# CONFIG_RTC_DRV_S35390A is not set
CONFIG_RTC_DRV_FM3130=m
# CONFIG_RTC_DRV_RX8010 is not set
# CONFIG_RTC_DRV_RX8581 is not set
# CONFIG_RTC_DRV_RX8025 is not set
CONFIG_RTC_DRV_EM3027=y
CONFIG_RTC_DRV_RV3028=m
# CONFIG_RTC_DRV_RV3032 is not set
CONFIG_RTC_DRV_RV8803=m
# CONFIG_RTC_DRV_S5M is not set
# CONFIG_RTC_DRV_SD3078 is not set

#
# SPI RTC drivers
#
CONFIG_RTC_DRV_M41T93=m
CONFIG_RTC_DRV_M41T94=m
# CONFIG_RTC_DRV_DS1302 is not set
CONFIG_RTC_DRV_DS1305=m
CONFIG_RTC_DRV_DS1343=y
CONFIG_RTC_DRV_DS1347=y
CONFIG_RTC_DRV_DS1390=m
CONFIG_RTC_DRV_MAX6916=m
# CONFIG_RTC_DRV_R9701 is not set
CONFIG_RTC_DRV_RX4581=y
CONFIG_RTC_DRV_RS5C348=y
CONFIG_RTC_DRV_MAX6902=y
CONFIG_RTC_DRV_PCF2123=y
CONFIG_RTC_DRV_MCP795=y
CONFIG_RTC_I2C_AND_SPI=y

#
# SPI and I2C RTC drivers
#
CONFIG_RTC_DRV_DS3232=m
CONFIG_RTC_DRV_DS3232_HWMON=y
CONFIG_RTC_DRV_PCF2127=y
CONFIG_RTC_DRV_RV3029C2=y
CONFIG_RTC_DRV_RV3029_HWMON=y
CONFIG_RTC_DRV_RX6110=m

#
# Platform RTC drivers
#
CONFIG_RTC_DRV_DS1286=y
CONFIG_RTC_DRV_DS1511=m
CONFIG_RTC_DRV_DS1553=y
CONFIG_RTC_DRV_DS1685_FAMILY=m
# CONFIG_RTC_DRV_DS1685 is not set
# CONFIG_RTC_DRV_DS1689 is not set
# CONFIG_RTC_DRV_DS17285 is not set
CONFIG_RTC_DRV_DS17485=y
# CONFIG_RTC_DRV_DS17885 is not set
CONFIG_RTC_DRV_DS1742=y
# CONFIG_RTC_DRV_DS2404 is not set
CONFIG_RTC_DRV_DA9052=m
# CONFIG_RTC_DRV_DA9063 is not set
CONFIG_RTC_DRV_EFI=y
CONFIG_RTC_DRV_STK17TA8=y
CONFIG_RTC_DRV_M48T86=y
CONFIG_RTC_DRV_M48T35=m
CONFIG_RTC_DRV_M48T59=m
# CONFIG_RTC_DRV_MSM6242 is not set
CONFIG_RTC_DRV_BQ4802=m
CONFIG_RTC_DRV_RP5C01=y
CONFIG_RTC_DRV_V3020=y
# CONFIG_RTC_DRV_GAMECUBE is not set
# CONFIG_RTC_DRV_WM831X is not set
CONFIG_RTC_DRV_WM8350=y
CONFIG_RTC_DRV_SC27XX=y
CONFIG_RTC_DRV_SPEAR=m
# CONFIG_RTC_DRV_PCF50633 is not set
# CONFIG_RTC_DRV_ZYNQMP is not set

#
# on-CPU RTC drivers
#
CONFIG_RTC_DRV_ASM9260=m
CONFIG_RTC_DRV_DAVINCI=m
CONFIG_RTC_DRV_DIGICOLOR=y
CONFIG_RTC_DRV_FSL_FTM_ALARM=y
# CONFIG_RTC_DRV_MESON is not set
CONFIG_RTC_DRV_MESON_VRTC=m
# CONFIG_RTC_DRV_OMAP is not set
# CONFIG_RTC_DRV_S3C is not set
CONFIG_RTC_DRV_EP93XX=m
CONFIG_RTC_DRV_VR41XX=y
# CONFIG_RTC_DRV_AT91RM9200 is not set
CONFIG_RTC_DRV_AT91SAM9=y
CONFIG_RTC_DRV_RZN1=y
# CONFIG_RTC_DRV_GENERIC is not set
CONFIG_RTC_DRV_VT8500=m
CONFIG_RTC_DRV_SUN6I=y
# CONFIG_RTC_DRV_SUNXI is not set
CONFIG_RTC_DRV_MV=m
# CONFIG_RTC_DRV_ARMADA38X is not set
CONFIG_RTC_DRV_CADENCE=m
# CONFIG_RTC_DRV_FTRTC010 is not set
# CONFIG_RTC_DRV_STMP is not set
CONFIG_RTC_DRV_PCAP=m
# CONFIG_RTC_DRV_MC13XXX is not set
CONFIG_RTC_DRV_JZ4740=m
CONFIG_RTC_DRV_LPC24XX=y
# CONFIG_RTC_DRV_LPC32XX is not set
CONFIG_RTC_DRV_PM8XXX=m
CONFIG_RTC_DRV_TEGRA=m
CONFIG_RTC_DRV_MXC=y
CONFIG_RTC_DRV_MXC_V2=y
CONFIG_RTC_DRV_SNVS=y
# CONFIG_RTC_DRV_MOXART is not set
CONFIG_RTC_DRV_MT2712=y
CONFIG_RTC_DRV_MT6397=m
CONFIG_RTC_DRV_MT7622=y
# CONFIG_RTC_DRV_XGENE is not set
# CONFIG_RTC_DRV_R7301 is not set
# CONFIG_RTC_DRV_STM32 is not set
CONFIG_RTC_DRV_CPCAP=m
# CONFIG_RTC_DRV_RTD119X is not set
CONFIG_RTC_DRV_ASPEED=m

#
# HID Sensor RTC drivers
#
# CONFIG_RTC_DRV_HID_SENSOR_TIME is not set
CONFIG_RTC_DRV_GOLDFISH=y
CONFIG_RTC_DRV_MSC313=m
CONFIG_DMADEVICES=y
# CONFIG_DMADEVICES_DEBUG is not set

#
# DMA Devices
#
CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=y
CONFIG_DMA_ENGINE=y
CONFIG_DMA_VIRTUAL_CHANNELS=y
CONFIG_DMA_OF=y
CONFIG_ALTERA_MSGDMA=y
CONFIG_AXI_DMAC=m
CONFIG_BCM_SBA_RAID=m
CONFIG_DMA_JZ4780=y
CONFIG_DMA_SA11X0=y
CONFIG_DMA_SUN6I=m
CONFIG_DW_AXI_DMAC=m
# CONFIG_EP93XX_DMA is not set
CONFIG_FSL_EDMA=y
CONFIG_HISI_DMA=y
# CONFIG_IMG_MDC_DMA is not set
# CONFIG_INTEL_IDMA64 is not set
# CONFIG_INTEL_IOP_ADMA is not set
CONFIG_K3_DMA=y
# CONFIG_MCF_EDMA is not set
CONFIG_MILBEAUT_HDMAC=y
CONFIG_MILBEAUT_XDMAC=m
CONFIG_MMP_PDMA=y
# CONFIG_MMP_TDMA is not set
CONFIG_MV_XOR=y
CONFIG_MXS_DMA=y
CONFIG_NBPFAXI_DMA=y
CONFIG_PCH_DMA=y
CONFIG_PLX_DMA=y
# CONFIG_STM32_DMA is not set
# CONFIG_STM32_DMAMUX is not set
CONFIG_STM32_MDMA=y
CONFIG_SPRD_DMA=y
# CONFIG_S3C24XX_DMAC is not set
CONFIG_TEGRA20_APB_DMA=y
# CONFIG_TEGRA210_ADMA is not set
CONFIG_TIMB_DMA=m
CONFIG_UNIPHIER_MDMAC=m
# CONFIG_UNIPHIER_XDMAC is not set
CONFIG_XGENE_DMA=m
CONFIG_XILINX_ZYNQMP_DMA=y
# CONFIG_XILINX_ZYNQMP_DPDMA is not set
CONFIG_MTK_HSDMA=m
CONFIG_MTK_CQDMA=m
CONFIG_QCOM_ADM=m
CONFIG_QCOM_HIDMA_MGMT=m
# CONFIG_QCOM_HIDMA is not set
# CONFIG_DW_DMAC is not set
# CONFIG_DW_DMAC_PCI is not set
CONFIG_DW_EDMA=m
CONFIG_DW_EDMA_PCIE=m
CONFIG_SF_PDMA=m
CONFIG_RENESAS_DMA=y
CONFIG_SH_DMAE_BASE=y
CONFIG_SH_DMAE=m
# CONFIG_RCAR_DMAC is not set
# CONFIG_RENESAS_USB_DMAC is not set
CONFIG_RZ_DMAC=y
CONFIG_TI_EDMA=y
# CONFIG_DMA_OMAP is not set
CONFIG_TI_DMA_CROSSBAR=y
# CONFIG_INTEL_LDMA is not set

#
# DMA Clients
#
# CONFIG_ASYNC_TX_DMA is not set
CONFIG_DMATEST=y
CONFIG_DMA_ENGINE_RAID=y

#
# DMABUF options
#
CONFIG_SYNC_FILE=y
CONFIG_SW_SYNC=y
CONFIG_UDMABUF=y
CONFIG_DMABUF_MOVE_NOTIFY=y
CONFIG_DMABUF_DEBUG=y
CONFIG_DMABUF_SELFTESTS=m
CONFIG_DMABUF_HEAPS=y
# CONFIG_DMABUF_SYSFS_STATS is not set
CONFIG_DMABUF_HEAPS_SYSTEM=y
CONFIG_DMABUF_HEAPS_CMA=y
# end of DMABUF options

CONFIG_AUXDISPLAY=y
CONFIG_CHARLCD=y
CONFIG_LINEDISP=y
CONFIG_HD44780_COMMON=y
CONFIG_HD44780=y
CONFIG_IMG_ASCII_LCD=y
CONFIG_LCD2S=y
# CONFIG_PANEL_CHANGE_MESSAGE is not set
# CONFIG_CHARLCD_BL_OFF is not set
CONFIG_CHARLCD_BL_ON=y
# CONFIG_CHARLCD_BL_FLASH is not set
# CONFIG_UIO is not set
CONFIG_VFIO=y
CONFIG_VFIO_VIRQFD=m
CONFIG_VFIO_NOIOMMU=y
CONFIG_VFIO_PCI_CORE=m
CONFIG_VFIO_PCI_MMAP=y
CONFIG_VFIO_PCI_INTX=y
CONFIG_VFIO_PCI=m
# CONFIG_VFIO_PLATFORM is not set
CONFIG_VFIO_MDEV=m
CONFIG_IRQ_BYPASS_MANAGER=m
# CONFIG_VIRT_DRIVERS is not set
CONFIG_VIRTIO=y
CONFIG_VIRTIO_MENU=y
# CONFIG_VIRTIO_PCI is not set
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=m
# CONFIG_VIRTIO_MMIO is not set
CONFIG_VHOST_MENU=y
# CONFIG_VHOST_SCSI is not set
CONFIG_VHOST_CROSS_ENDIAN_LEGACY=y

#
# Microsoft Hyper-V guest support
#
# end of Microsoft Hyper-V guest support

CONFIG_GREYBUS=y
CONFIG_GREYBUS_ES2=y
CONFIG_COMEDI=m
CONFIG_COMEDI_DEBUG=y
CONFIG_COMEDI_DEFAULT_BUF_SIZE_KB=2048
CONFIG_COMEDI_DEFAULT_BUF_MAXSIZE_KB=20480
# CONFIG_COMEDI_MISC_DRIVERS is not set
# CONFIG_COMEDI_ISA_DRIVERS is not set
CONFIG_COMEDI_PCI_DRIVERS=m
CONFIG_COMEDI_8255_PCI=m
CONFIG_COMEDI_ADDI_WATCHDOG=m
CONFIG_COMEDI_ADDI_APCI_1032=m
CONFIG_COMEDI_ADDI_APCI_1500=m
CONFIG_COMEDI_ADDI_APCI_1516=m
# CONFIG_COMEDI_ADDI_APCI_1564 is not set
CONFIG_COMEDI_ADDI_APCI_16XX=m
# CONFIG_COMEDI_ADDI_APCI_2032 is not set
CONFIG_COMEDI_ADDI_APCI_2200=m
CONFIG_COMEDI_ADDI_APCI_3120=m
CONFIG_COMEDI_ADDI_APCI_3501=m
CONFIG_COMEDI_ADDI_APCI_3XXX=m
CONFIG_COMEDI_ADL_PCI6208=m
CONFIG_COMEDI_ADL_PCI7X3X=m
# CONFIG_COMEDI_ADL_PCI8164 is not set
CONFIG_COMEDI_ADL_PCI9111=m
# CONFIG_COMEDI_ADL_PCI9118 is not set
CONFIG_COMEDI_ADV_PCI1710=m
CONFIG_COMEDI_ADV_PCI1720=m
# CONFIG_COMEDI_ADV_PCI1723 is not set
CONFIG_COMEDI_ADV_PCI1724=m
# CONFIG_COMEDI_ADV_PCI1760 is not set
# CONFIG_COMEDI_ADV_PCI_DIO is not set
CONFIG_COMEDI_AMPLC_DIO200_PCI=m
# CONFIG_COMEDI_AMPLC_PC236_PCI is not set
CONFIG_COMEDI_AMPLC_PC263_PCI=m
CONFIG_COMEDI_AMPLC_PCI224=m
CONFIG_COMEDI_AMPLC_PCI230=m
# CONFIG_COMEDI_CONTEC_PCI_DIO is not set
CONFIG_COMEDI_DAS08_PCI=m
CONFIG_COMEDI_DT3000=m
CONFIG_COMEDI_DYNA_PCI10XX=m
CONFIG_COMEDI_GSC_HPDI=m
CONFIG_COMEDI_MF6X4=m
CONFIG_COMEDI_ICP_MULTI=m
CONFIG_COMEDI_DAQBOARD2000=m
CONFIG_COMEDI_JR3_PCI=m
CONFIG_COMEDI_KE_COUNTER=m
CONFIG_COMEDI_CB_PCIDAS64=m
CONFIG_COMEDI_CB_PCIDAS=m
CONFIG_COMEDI_CB_PCIDDA=m
CONFIG_COMEDI_CB_PCIMDAS=m
# CONFIG_COMEDI_CB_PCIMDDA is not set
# CONFIG_COMEDI_ME4000 is not set
CONFIG_COMEDI_ME_DAQ=m
CONFIG_COMEDI_NI_6527=m
CONFIG_COMEDI_NI_65XX=m
# CONFIG_COMEDI_NI_660X is not set
CONFIG_COMEDI_NI_670X=m
CONFIG_COMEDI_NI_LABPC_PCI=m
CONFIG_COMEDI_NI_PCIDIO=m
CONFIG_COMEDI_NI_PCIMIO=m
# CONFIG_COMEDI_RTD520 is not set
CONFIG_COMEDI_S626=m
CONFIG_COMEDI_MITE=m
CONFIG_COMEDI_NI_TIOCMD=m
CONFIG_COMEDI_USB_DRIVERS=m
# CONFIG_COMEDI_DT9812 is not set
CONFIG_COMEDI_NI_USB6501=m
# CONFIG_COMEDI_USBDUX is not set
CONFIG_COMEDI_USBDUXFAST=m
# CONFIG_COMEDI_USBDUXSIGMA is not set
CONFIG_COMEDI_VMK80XX=m
CONFIG_COMEDI_8254=m
CONFIG_COMEDI_8255=m
CONFIG_COMEDI_8255_SA=m
CONFIG_COMEDI_KCOMEDILIB=m
CONFIG_COMEDI_AMPLC_DIO200=m
CONFIG_COMEDI_DAS08=m
CONFIG_COMEDI_NI_LABPC=m
CONFIG_COMEDI_NI_TIO=m
CONFIG_COMEDI_NI_ROUTING=m
CONFIG_COMEDI_TESTS=m
CONFIG_COMEDI_TESTS_EXAMPLE=m
# CONFIG_COMEDI_TESTS_NI_ROUTES is not set
# CONFIG_STAGING is not set
CONFIG_GOLDFISH=y
CONFIG_GOLDFISH_PIPE=m
# CONFIG_CHROME_PLATFORMS is not set
CONFIG_MELLANOX_PLATFORM=y
CONFIG_MLXREG_HOTPLUG=m
CONFIG_MLXREG_IO=m
# CONFIG_MLXREG_LC is not set
# CONFIG_NVSW_SN2201 is not set
# CONFIG_OLPC_XO175 is not set
# CONFIG_SURFACE_PLATFORMS is not set
CONFIG_HAVE_CLK=y
CONFIG_HAVE_CLK_PREPARE=y
CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_WM831X=m

#
# Clock driver for ARM Reference designs
#
# CONFIG_CLK_ICST is not set
# CONFIG_CLK_SP810 is not set
# end of Clock driver for ARM Reference designs

# CONFIG_CLK_HSDK is not set
# CONFIG_LMK04832 is not set
# CONFIG_COMMON_CLK_APPLE_NCO is not set
CONFIG_COMMON_CLK_MAX77686=y
CONFIG_COMMON_CLK_MAX9485=m
# CONFIG_COMMON_CLK_RK808 is not set
# CONFIG_COMMON_CLK_HI655X is not set
# CONFIG_COMMON_CLK_SCMI is not set
CONFIG_COMMON_CLK_SCPI=m
CONFIG_COMMON_CLK_SI5341=y
CONFIG_COMMON_CLK_SI5351=y
# CONFIG_COMMON_CLK_SI514 is not set
# CONFIG_COMMON_CLK_SI544 is not set
# CONFIG_COMMON_CLK_SI570 is not set
# CONFIG_COMMON_CLK_BM1880 is not set
CONFIG_COMMON_CLK_CDCE706=y
CONFIG_COMMON_CLK_TPS68470=m
CONFIG_COMMON_CLK_CDCE925=y
CONFIG_COMMON_CLK_CS2000_CP=y
# CONFIG_COMMON_CLK_EN7523 is not set
CONFIG_COMMON_CLK_FSL_FLEXSPI=m
CONFIG_COMMON_CLK_FSL_SAI=y
# CONFIG_COMMON_CLK_GEMINI is not set
CONFIG_COMMON_CLK_LAN966X=y
CONFIG_COMMON_CLK_ASPEED=y
CONFIG_COMMON_CLK_S2MPS11=m
CONFIG_COMMON_CLK_AXI_CLKGEN=m
# CONFIG_CLK_QORIQ is not set
# CONFIG_CLK_LS1028A_PLLDIG is not set
CONFIG_COMMON_CLK_XGENE=y
CONFIG_COMMON_CLK_PWM=m
CONFIG_COMMON_CLK_OXNAS=y
CONFIG_COMMON_CLK_RS9_PCIE=m
# CONFIG_COMMON_CLK_VC5 is not set
CONFIG_COMMON_CLK_MMP2_AUDIO=y
# CONFIG_COMMON_CLK_BD718XX is not set
# CONFIG_COMMON_CLK_FIXED_MMIO is not set
CONFIG_CLK_ACTIONS=y
CONFIG_CLK_OWL_S500=y
CONFIG_CLK_OWL_S700=y
CONFIG_CLK_OWL_S900=y
# CONFIG_CLK_BAIKAL_T1 is not set
# CONFIG_CLK_BCM2711_DVP is not set
CONFIG_CLK_BCM2835=y
CONFIG_CLK_BCM_63XX=y
# CONFIG_CLK_BCM_63XX_GATE is not set
# CONFIG_CLK_BCM_KONA is not set
CONFIG_COMMON_CLK_IPROC=y
# CONFIG_CLK_BCM_CYGNUS is not set
CONFIG_CLK_BCM_HR2=y
# CONFIG_CLK_BCM_NSP is not set
CONFIG_CLK_BCM_NS2=y
# CONFIG_CLK_BCM_SR is not set
CONFIG_CLK_RASPBERRYPI=y
CONFIG_COMMON_CLK_HI3516CV300=y
CONFIG_COMMON_CLK_HI3519=y
# CONFIG_COMMON_CLK_HI3559A is not set
# CONFIG_COMMON_CLK_HI3660 is not set
# CONFIG_COMMON_CLK_HI3670 is not set
CONFIG_COMMON_CLK_HI3798CV200=y
# CONFIG_COMMON_CLK_HI6220 is not set
CONFIG_RESET_HISI=y
# CONFIG_STUB_CLK_HI6220 is not set
# CONFIG_STUB_CLK_HI3660 is not set
CONFIG_COMMON_CLK_BOSTON=y
CONFIG_MXC_CLK=y
CONFIG_CLK_IMX8MM=y
CONFIG_CLK_IMX8MN=m
# CONFIG_CLK_IMX8MP is not set
CONFIG_CLK_IMX8MQ=y
# CONFIG_CLK_IMX8ULP is not set
CONFIG_CLK_IMX93=m

#
# Ingenic SoCs drivers
#
CONFIG_INGENIC_CGU_COMMON=y
# CONFIG_INGENIC_CGU_JZ4740 is not set
# CONFIG_INGENIC_CGU_JZ4725B is not set
CONFIG_INGENIC_CGU_JZ4760=y
CONFIG_INGENIC_CGU_JZ4770=y
# CONFIG_INGENIC_CGU_JZ4780 is not set
CONFIG_INGENIC_CGU_X1000=y
# CONFIG_INGENIC_CGU_X1830 is not set
# CONFIG_INGENIC_TCU_CLK is not set
# end of Ingenic SoCs drivers

CONFIG_COMMON_CLK_KEYSTONE=m
CONFIG_TI_SYSCON_CLK=m

#
# Clock driver for MediaTek SoC
#
CONFIG_COMMON_CLK_MEDIATEK=y
CONFIG_COMMON_CLK_MT2701=y
CONFIG_COMMON_CLK_MT2701_MMSYS=y
CONFIG_COMMON_CLK_MT2701_IMGSYS=y
CONFIG_COMMON_CLK_MT2701_VDECSYS=y
# CONFIG_COMMON_CLK_MT2701_HIFSYS is not set
# CONFIG_COMMON_CLK_MT2701_ETHSYS is not set
# CONFIG_COMMON_CLK_MT2701_BDPSYS is not set
# CONFIG_COMMON_CLK_MT2701_AUDSYS is not set
# CONFIG_COMMON_CLK_MT2701_G3DSYS is not set
CONFIG_COMMON_CLK_MT2712=y
CONFIG_COMMON_CLK_MT2712_BDPSYS=y
CONFIG_COMMON_CLK_MT2712_IMGSYS=y
# CONFIG_COMMON_CLK_MT2712_JPGDECSYS is not set
# CONFIG_COMMON_CLK_MT2712_MFGCFG is not set
# CONFIG_COMMON_CLK_MT2712_MMSYS is not set
# CONFIG_COMMON_CLK_MT2712_VDECSYS is not set
# CONFIG_COMMON_CLK_MT2712_VENCSYS is not set
# CONFIG_COMMON_CLK_MT6765 is not set
CONFIG_COMMON_CLK_MT6779=y
CONFIG_COMMON_CLK_MT6779_MMSYS=y
CONFIG_COMMON_CLK_MT6779_IMGSYS=m
# CONFIG_COMMON_CLK_MT6779_IPESYS is not set
CONFIG_COMMON_CLK_MT6779_CAMSYS=y
CONFIG_COMMON_CLK_MT6779_VDECSYS=y
CONFIG_COMMON_CLK_MT6779_VENCSYS=m
CONFIG_COMMON_CLK_MT6779_MFGCFG=m
CONFIG_COMMON_CLK_MT6779_AUDSYS=m
# CONFIG_COMMON_CLK_MT6797 is not set
# CONFIG_COMMON_CLK_MT7622 is not set
# CONFIG_COMMON_CLK_MT7629 is not set
CONFIG_COMMON_CLK_MT7986=y
# CONFIG_COMMON_CLK_MT7986_ETHSYS is not set
CONFIG_COMMON_CLK_MT8135=y
# CONFIG_COMMON_CLK_MT8167 is not set
# CONFIG_COMMON_CLK_MT8173 is not set
CONFIG_COMMON_CLK_MT8183=y
# CONFIG_COMMON_CLK_MT8183_AUDIOSYS is not set
# CONFIG_COMMON_CLK_MT8183_CAMSYS is not set
CONFIG_COMMON_CLK_MT8183_IMGSYS=y
# CONFIG_COMMON_CLK_MT8183_IPU_CORE0 is not set
# CONFIG_COMMON_CLK_MT8183_IPU_CORE1 is not set
CONFIG_COMMON_CLK_MT8183_IPU_ADL=y
# CONFIG_COMMON_CLK_MT8183_IPU_CONN is not set
# CONFIG_COMMON_CLK_MT8183_MFGCFG is not set
CONFIG_COMMON_CLK_MT8183_MMSYS=y
CONFIG_COMMON_CLK_MT8183_VDECSYS=y
CONFIG_COMMON_CLK_MT8183_VENCSYS=y
# CONFIG_COMMON_CLK_MT8186 is not set
# CONFIG_COMMON_CLK_MT8192 is not set
# CONFIG_COMMON_CLK_MT8195 is not set
CONFIG_COMMON_CLK_MT8516=y
# CONFIG_COMMON_CLK_MT8516_AUDSYS is not set
# end of Clock driver for MediaTek SoC

#
# Clock support for Amlogic platforms
#
# end of Clock support for Amlogic platforms

CONFIG_MSTAR_MSC313_MPLL=y
# CONFIG_MCHP_CLK_MPFS is not set
# CONFIG_COMMON_CLK_PISTACHIO is not set
# CONFIG_COMMON_CLK_QCOM is not set
CONFIG_CLK_MT7621=y
CONFIG_CLK_RENESAS=y
# CONFIG_CLK_EMEV2 is not set
CONFIG_CLK_RZA1=y
CONFIG_CLK_R7S9210=y
# CONFIG_CLK_R8A73A4 is not set
# CONFIG_CLK_R8A7740 is not set
# CONFIG_CLK_R8A7742 is not set
# CONFIG_CLK_R8A7743 is not set
CONFIG_CLK_R8A7745=y
# CONFIG_CLK_R8A77470 is not set
CONFIG_CLK_R8A774A1=y
# CONFIG_CLK_R8A774B1 is not set
# CONFIG_CLK_R8A774C0 is not set
# CONFIG_CLK_R8A774E1 is not set
CONFIG_CLK_R8A7778=y
CONFIG_CLK_R8A7779=y
# CONFIG_CLK_R8A7790 is not set
# CONFIG_CLK_R8A7791 is not set
CONFIG_CLK_R8A7792=y
# CONFIG_CLK_R8A7794 is not set
CONFIG_CLK_R8A7795=y
# CONFIG_CLK_R8A77960 is not set
# CONFIG_CLK_R8A77961 is not set
CONFIG_CLK_R8A77965=y
CONFIG_CLK_R8A77970=y
# CONFIG_CLK_R8A77980 is not set
# CONFIG_CLK_R8A77990 is not set
# CONFIG_CLK_R8A77995 is not set
CONFIG_CLK_R8A779A0=y
# CONFIG_CLK_R8A779F0 is not set
# CONFIG_CLK_R8A779G0 is not set
# CONFIG_CLK_R9A06G032 is not set
CONFIG_CLK_R9A07G043=y
CONFIG_CLK_R9A07G044=y
CONFIG_CLK_R9A07G054=y
CONFIG_CLK_R9A09G011=y
CONFIG_CLK_SH73A0=y
CONFIG_CLK_RCAR_CPG_LIB=y
CONFIG_CLK_RCAR_GEN2_CPG=y
CONFIG_CLK_RCAR_GEN3_CPG=y
CONFIG_CLK_RCAR_GEN4_CPG=y
CONFIG_CLK_RCAR_USB2_CLOCK_SEL=y
CONFIG_CLK_RZG2L=y
CONFIG_CLK_RENESAS_CPG_MSSR=y
CONFIG_CLK_RENESAS_CPG_MSTP=y
CONFIG_CLK_RENESAS_DIV6=y
CONFIG_COMMON_CLK_SAMSUNG=y
CONFIG_S3C64XX_COMMON_CLK=y
# CONFIG_S5PV210_COMMON_CLK is not set
CONFIG_EXYNOS_3250_COMMON_CLK=y
CONFIG_EXYNOS_4_COMMON_CLK=y
# CONFIG_EXYNOS_5250_COMMON_CLK is not set
CONFIG_EXYNOS_5260_COMMON_CLK=y
# CONFIG_EXYNOS_5410_COMMON_CLK is not set
CONFIG_EXYNOS_5420_COMMON_CLK=y
# CONFIG_EXYNOS_ARM64_COMMON_CLK is not set
CONFIG_EXYNOS_AUDSS_CLK_CON=m
# CONFIG_EXYNOS_CLKOUT is not set
CONFIG_S3C2410_COMMON_CLK=y
CONFIG_S3C2412_COMMON_CLK=y
# CONFIG_S3C2443_COMMON_CLK is not set
CONFIG_CLK_SIFIVE=y
# CONFIG_CLK_SIFIVE_PRCI is not set
# CONFIG_CLK_INTEL_SOCFPGA is not set
CONFIG_SPRD_COMMON_CLK=m
# CONFIG_SPRD_SC9860_CLK is not set
CONFIG_SPRD_SC9863A_CLK=m
# CONFIG_CLK_STARFIVE_JH7100 is not set
CONFIG_CLK_SUNXI=y
# CONFIG_CLK_SUNXI_CLOCKS is not set
CONFIG_CLK_SUNXI_PRCM_SUN6I=y
# CONFIG_CLK_SUNXI_PRCM_SUN8I is not set
# CONFIG_CLK_SUNXI_PRCM_SUN9I is not set
# CONFIG_SUNXI_CCU is not set
# CONFIG_COMMON_CLK_TI_ADPLL is not set
# CONFIG_CLK_UNIPHIER is not set
# CONFIG_COMMON_CLK_VISCONTI is not set
# CONFIG_CLK_LGM_CGU is not set
CONFIG_XILINX_VCU=y
CONFIG_COMMON_CLK_ZYNQMP=y
CONFIG_HWSPINLOCK=y
# CONFIG_HWSPINLOCK_OMAP is not set
# CONFIG_HWSPINLOCK_QCOM is not set
# CONFIG_HWSPINLOCK_SPRD is not set
CONFIG_HWSPINLOCK_STM32=y
CONFIG_HWSPINLOCK_SUN6I=y
CONFIG_HSEM_U8500=y

#
# Clock Source drivers
#
CONFIG_TIMER_OF=y
CONFIG_TIMER_PROBE=y
CONFIG_CLKSRC_MMIO=y
# CONFIG_BCM2835_TIMER is not set
# CONFIG_BCM_KONA_TIMER is not set
# CONFIG_DAVINCI_TIMER is not set
CONFIG_DIGICOLOR_TIMER=y
CONFIG_DW_APB_TIMER=y
# CONFIG_FTTMR010_TIMER is not set
# CONFIG_IXP4XX_TIMER is not set
CONFIG_MESON6_TIMER=y
CONFIG_OWL_TIMER=y
# CONFIG_RDA_TIMER is not set
# CONFIG_SUN4I_TIMER is not set
# CONFIG_SUN5I_HSTIMER is not set
# CONFIG_TEGRA_TIMER is not set
# CONFIG_VT8500_TIMER is not set
# CONFIG_NPCM7XX_TIMER is not set
# CONFIG_CADENCE_TTC_TIMER is not set
CONFIG_ASM9260_TIMER=y
# CONFIG_CLKSRC_DBX500_PRCMU is not set
CONFIG_CLPS711X_TIMER=y
# CONFIG_MXS_TIMER is not set
# CONFIG_NSPIRE_TIMER is not set
# CONFIG_INTEGRATOR_AP_TIMER is not set
# CONFIG_CLKSRC_PISTACHIO is not set
# CONFIG_CLKSRC_TI_32K is not set
CONFIG_CLKSRC_STM32_LP=y
# CONFIG_CLKSRC_MPS2 is not set
CONFIG_ARC_TIMERS=y
CONFIG_ARC_TIMERS_64BIT=y
CONFIG_ARM_TIMER_SP804=y
CONFIG_ARMV7M_SYSTICK=y
# CONFIG_ATMEL_PIT is not set
# CONFIG_ATMEL_ST is not set
CONFIG_CLKSRC_SAMSUNG_PWM=y
# CONFIG_FSL_FTM_TIMER is not set
CONFIG_OXNAS_RPS_TIMER=y
# CONFIG_MTK_TIMER is not set
CONFIG_SPRD_TIMER=y
CONFIG_CLKSRC_JCORE_PIT=y
CONFIG_SH_TIMER_CMT=y
# CONFIG_SH_TIMER_MTU2 is not set
# CONFIG_RENESAS_OSTM is not set
CONFIG_SH_TIMER_TMU=y
CONFIG_EM_TIMER_STI=y
CONFIG_CLKSRC_VERSATILE=y
CONFIG_CLKSRC_PXA=y
# CONFIG_TIMER_IMX_SYS_CTR is not set
CONFIG_CLKSRC_ST_LPC=y
# CONFIG_GXP_TIMER is not set
CONFIG_RISCV_TIMER=y
CONFIG_CLINT_TIMER=y
# CONFIG_MSC313E_TIMER is not set
CONFIG_INGENIC_TIMER=y
# CONFIG_INGENIC_SYSOST is not set
CONFIG_INGENIC_OST=y
# CONFIG_MICROCHIP_PIT64B is not set
CONFIG_GOLDFISH_TIMER=y
# end of Clock Source drivers

CONFIG_MAILBOX=y
# CONFIG_IMX_MBOX is not set
CONFIG_PLATFORM_MHU=y
CONFIG_ARMADA_37XX_RWTM_MBOX=y
# CONFIG_ROCKCHIP_MBOX is not set
CONFIG_ALTERA_MBOX=m
CONFIG_HI3660_MBOX=m
# CONFIG_HI6220_MBOX is not set
CONFIG_MAILBOX_TEST=m
# CONFIG_POLARFIRE_SOC_MAILBOX is not set
CONFIG_QCOM_APCS_IPC=m
# CONFIG_BCM_PDC_MBOX is not set
# CONFIG_STM32_IPCC is not set
CONFIG_MTK_ADSP_MBOX=m
CONFIG_MTK_CMDQ_MBOX=y
# CONFIG_SUN6I_MSGBOX is not set
# CONFIG_SPRD_MBOX is not set
CONFIG_QCOM_IPCC=m
CONFIG_IOMMU_API=y
CONFIG_IOMMU_SUPPORT=y

#
# Generic IOMMU Pagetable Support
#
CONFIG_IOMMU_IO_PGTABLE=y
# CONFIG_IOMMU_IO_PGTABLE_ARMV7S is not set
# end of Generic IOMMU Pagetable Support

CONFIG_IOMMU_DEBUGFS=y
# CONFIG_IOMMU_DEFAULT_DMA_STRICT is not set
# CONFIG_IOMMU_DEFAULT_DMA_LAZY is not set
CONFIG_IOMMU_DEFAULT_PASSTHROUGH=y
CONFIG_OF_IOMMU=y
# CONFIG_OMAP_IOMMU is not set
# CONFIG_ROCKCHIP_IOMMU is not set
# CONFIG_SUN50I_IOMMU is not set
# CONFIG_EXYNOS_IOMMU is not set
# CONFIG_S390_CCW_IOMMU is not set
CONFIG_S390_AP_IOMMU=y
# CONFIG_MTK_IOMMU is not set
CONFIG_SPRD_IOMMU=y

#
# Remoteproc drivers
#
# CONFIG_REMOTEPROC is not set
# end of Remoteproc drivers

#
# Rpmsg drivers
#
CONFIG_RPMSG=y
CONFIG_RPMSG_CTRL=m
CONFIG_RPMSG_NS=y
CONFIG_RPMSG_QCOM_GLINK=m
CONFIG_RPMSG_QCOM_GLINK_RPM=m
CONFIG_RPMSG_QCOM_GLINK_SMEM=m
# CONFIG_RPMSG_QCOM_SMD is not set
CONFIG_RPMSG_VIRTIO=y
# end of Rpmsg drivers

# CONFIG_SOUNDWIRE is not set

#
# SOC (System On Chip) specific Drivers
#

#
# Amlogic SoC drivers
#
CONFIG_MESON_CANVAS=m
CONFIG_MESON_CLK_MEASURE=m
CONFIG_MESON_GX_SOCINFO=y
# CONFIG_MESON_MX_SOCINFO is not set
# end of Amlogic SoC drivers

#
# Apple SoC drivers
#
# CONFIG_APPLE_RTKIT is not set
CONFIG_APPLE_SART=m
# end of Apple SoC drivers

#
# ASPEED SoC drivers
#
CONFIG_ASPEED_LPC_CTRL=m
CONFIG_ASPEED_LPC_SNOOP=y
# CONFIG_ASPEED_UART_ROUTING is not set
CONFIG_ASPEED_P2A_CTRL=y
CONFIG_ASPEED_SOCINFO=y
# end of ASPEED SoC drivers

CONFIG_AT91_SOC_ID=y
CONFIG_AT91_SOC_SFR=m

#
# Broadcom SoC drivers
#
CONFIG_BCM2835_POWER=y
CONFIG_SOC_BCM63XX=y
# CONFIG_SOC_BRCMSTB is not set
# CONFIG_BCM63XX_POWER is not set
CONFIG_BCM_PMB=y
# end of Broadcom SoC drivers

#
# NXP/Freescale QorIQ SoC drivers
#
CONFIG_QUICC_ENGINE=y
# CONFIG_DPAA2_CONSOLE is not set
# end of NXP/Freescale QorIQ SoC drivers

#
# i.MX SoC drivers
#
# CONFIG_SOC_IMX8M is not set
# end of i.MX SoC drivers

#
# IXP4xx SoC drivers
#
# CONFIG_IXP4XX_QMGR is not set
CONFIG_IXP4XX_NPE=y
# end of IXP4xx SoC drivers

#
# Enable LiteX SoC Builder specific drivers
#
# CONFIG_LITEX_SOC_CONTROLLER is not set
# end of Enable LiteX SoC Builder specific drivers

#
# MediaTek SoC drivers
#
CONFIG_MTK_CMDQ=y
CONFIG_MTK_DEVAPC=y
CONFIG_MTK_INFRACFG=y
CONFIG_MTK_PMIC_WRAP=m
# CONFIG_MTK_SCPSYS is not set
# CONFIG_MTK_MMSYS is not set
# end of MediaTek SoC drivers

#
# Qualcomm SoC drivers
#
# CONFIG_QCOM_COMMAND_DB is not set
CONFIG_QCOM_GENI_SE=m
# CONFIG_QCOM_GSBI is not set
CONFIG_QCOM_LLCC=y
# CONFIG_QCOM_RPMH is not set
CONFIG_QCOM_RPMPD=y
CONFIG_QCOM_SMEM=m
CONFIG_QCOM_SMD_RPM=y
CONFIG_QCOM_SMEM_STATE=y
CONFIG_QCOM_SMP2P=m
CONFIG_QCOM_SMSM=m
# CONFIG_QCOM_SOCINFO is not set
# CONFIG_QCOM_SPM is not set
CONFIG_QCOM_STATS=m
CONFIG_QCOM_WCNSS_CTRL=y
# end of Qualcomm SoC drivers

CONFIG_SOC_RENESAS=y
# CONFIG_RST_RCAR is not set
CONFIG_SYSC_RCAR=y
CONFIG_SYSC_RCAR_GEN4=y
# CONFIG_SYSC_R8A77995 is not set
# CONFIG_SYSC_R8A7794 is not set
CONFIG_SYSC_R8A77990=y
CONFIG_SYSC_R8A7779=y
# CONFIG_SYSC_R8A7790 is not set
CONFIG_SYSC_R8A7795=y
# CONFIG_SYSC_R8A7791 is not set
CONFIG_SYSC_R8A77965=y
# CONFIG_SYSC_R8A77960 is not set
# CONFIG_SYSC_R8A77961 is not set
CONFIG_SYSC_R8A779F0=y
# CONFIG_SYSC_R8A7792 is not set
# CONFIG_SYSC_R8A77980 is not set
CONFIG_SYSC_R8A77970=y
# CONFIG_SYSC_R8A779A0 is not set
CONFIG_SYSC_R8A779G0=y
# CONFIG_SYSC_RMOBILE is not set
# CONFIG_SYSC_R8A77470 is not set
# CONFIG_SYSC_R8A7745 is not set
CONFIG_SYSC_R8A7742=y
# CONFIG_SYSC_R8A7743 is not set
CONFIG_SYSC_R8A774C0=y
# CONFIG_SYSC_R8A774E1 is not set
CONFIG_SYSC_R8A774A1=y
CONFIG_SYSC_R8A774B1=y
# CONFIG_ROCKCHIP_GRF is not set
CONFIG_ROCKCHIP_IODOMAIN=y
# CONFIG_SOC_SAMSUNG is not set
CONFIG_SOC_TEGRA20_VOLTAGE_COUPLER=y
# CONFIG_SOC_TEGRA30_VOLTAGE_COUPLER is not set
# CONFIG_SOC_TI is not set
# CONFIG_UX500_SOC_ID is not set

#
# Xilinx SoC drivers
#
# end of Xilinx SoC drivers
# end of SOC (System On Chip) specific Drivers

CONFIG_PM_DEVFREQ=y

#
# DEVFREQ Governors
#
CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
CONFIG_DEVFREQ_GOV_PERFORMANCE=y
CONFIG_DEVFREQ_GOV_POWERSAVE=m
CONFIG_DEVFREQ_GOV_USERSPACE=y
CONFIG_DEVFREQ_GOV_PASSIVE=y

#
# DEVFREQ Drivers
#
# CONFIG_ARM_EXYNOS_BUS_DEVFREQ is not set
CONFIG_ARM_IMX_BUS_DEVFREQ=m
# CONFIG_ARM_TEGRA_DEVFREQ is not set
# CONFIG_ARM_SUN8I_A33_MBUS_DEVFREQ is not set
# CONFIG_PM_DEVFREQ_EVENT is not set
CONFIG_EXTCON=y

#
# Extcon Device Drivers
#
CONFIG_EXTCON_ADC_JACK=m
# CONFIG_EXTCON_FSA9480 is not set
# CONFIG_EXTCON_GPIO is not set
# CONFIG_EXTCON_MAX14577 is not set
# CONFIG_EXTCON_MAX3355 is not set
CONFIG_EXTCON_MAX77693=m
# CONFIG_EXTCON_MAX77843 is not set
# CONFIG_EXTCON_PTN5150 is not set
CONFIG_EXTCON_QCOM_SPMI_MISC=m
CONFIG_EXTCON_RT8973A=y
CONFIG_EXTCON_SM5502=y
CONFIG_EXTCON_USB_GPIO=m
CONFIG_EXTCON_USBC_TUSB320=y
CONFIG_MEMORY=y
CONFIG_DDR=y
CONFIG_ATMEL_SDRAMC=y
# CONFIG_ATMEL_EBI is not set
CONFIG_BRCMSTB_DPFE=y
CONFIG_BT1_L2_CTL=y
CONFIG_TI_AEMIF=y
CONFIG_TI_EMIF=m
CONFIG_OMAP_GPMC=m
# CONFIG_OMAP_GPMC_DEBUG is not set
CONFIG_FPGA_DFL_EMIF=m
CONFIG_MVEBU_DEVBUS=y
CONFIG_FSL_CORENET_CF=y
CONFIG_FSL_IFC=y
CONFIG_JZ4780_NEMC=y
# CONFIG_MTK_SMI is not set
# CONFIG_DA8XX_DDRCTL is not set
# CONFIG_RENESAS_RPCIF is not set
CONFIG_STM32_FMC2_EBI=m
CONFIG_SAMSUNG_MC=y
CONFIG_EXYNOS_SROM=y
# CONFIG_TEGRA_MC is not set
CONFIG_IIO=m
CONFIG_IIO_BUFFER=y
CONFIG_IIO_BUFFER_CB=m
CONFIG_IIO_BUFFER_DMA=m
CONFIG_IIO_BUFFER_DMAENGINE=m
CONFIG_IIO_BUFFER_HW_CONSUMER=m
CONFIG_IIO_KFIFO_BUF=m
CONFIG_IIO_TRIGGERED_BUFFER=m
CONFIG_IIO_CONFIGFS=m
CONFIG_IIO_TRIGGER=y
CONFIG_IIO_CONSUMERS_PER_TRIGGER=2
# CONFIG_IIO_SW_DEVICE is not set
# CONFIG_IIO_SW_TRIGGER is not set
# CONFIG_IIO_TRIGGERED_EVENT is not set

#
# Accelerometers
#
# CONFIG_ADIS16201 is not set
CONFIG_ADIS16209=m
CONFIG_ADXL313=m
CONFIG_ADXL313_I2C=m
# CONFIG_ADXL313_SPI is not set
# CONFIG_ADXL355_I2C is not set
# CONFIG_ADXL355_SPI is not set
CONFIG_ADXL367=m
# CONFIG_ADXL367_SPI is not set
CONFIG_ADXL367_I2C=m
CONFIG_ADXL372=m
CONFIG_ADXL372_SPI=m
CONFIG_ADXL372_I2C=m
# CONFIG_BMA220 is not set
CONFIG_BMA400=m
CONFIG_BMA400_I2C=m
CONFIG_BMA400_SPI=m
CONFIG_BMC150_ACCEL=m
CONFIG_BMC150_ACCEL_I2C=m
CONFIG_BMC150_ACCEL_SPI=m
CONFIG_BMI088_ACCEL=m
CONFIG_BMI088_ACCEL_SPI=m
CONFIG_DA280=m
CONFIG_DA311=m
CONFIG_DMARD06=m
CONFIG_DMARD09=m
CONFIG_DMARD10=m
CONFIG_FXLS8962AF=m
CONFIG_FXLS8962AF_I2C=m
# CONFIG_FXLS8962AF_SPI is not set
CONFIG_HID_SENSOR_ACCEL_3D=m
CONFIG_IIO_ST_ACCEL_3AXIS=m
# CONFIG_IIO_ST_ACCEL_I2C_3AXIS is not set
CONFIG_IIO_ST_ACCEL_SPI_3AXIS=m
CONFIG_KXSD9=m
# CONFIG_KXSD9_SPI is not set
CONFIG_KXSD9_I2C=m
CONFIG_KXCJK1013=m
CONFIG_MC3230=m
CONFIG_MMA7455=m
CONFIG_MMA7455_I2C=m
CONFIG_MMA7455_SPI=m
CONFIG_MMA7660=m
CONFIG_MMA8452=m
# CONFIG_MMA9551 is not set
# CONFIG_MMA9553 is not set
# CONFIG_MXC4005 is not set
CONFIG_MXC6255=m
# CONFIG_SCA3000 is not set
CONFIG_SCA3300=m
CONFIG_STK8312=m
# CONFIG_STK8BA50 is not set
# end of Accelerometers

#
# Analog to digital converters
#
CONFIG_AD_SIGMA_DELTA=m
CONFIG_AD7091R5=m
CONFIG_AD7124=m
CONFIG_AD7192=m
# CONFIG_AD7266 is not set
# CONFIG_AD7280 is not set
CONFIG_AD7291=m
CONFIG_AD7292=m
CONFIG_AD7298=m
CONFIG_AD7476=m
CONFIG_AD7606=m
CONFIG_AD7606_IFACE_PARALLEL=m
# CONFIG_AD7606_IFACE_SPI is not set
CONFIG_AD7766=m
CONFIG_AD7768_1=m
CONFIG_AD7780=m
CONFIG_AD7791=m
CONFIG_AD7793=m
# CONFIG_AD7887 is not set
CONFIG_AD7923=m
CONFIG_AD7949=m
CONFIG_AD799X=m
CONFIG_AD9467=m
CONFIG_ADI_AXI_ADC=m
# CONFIG_ASPEED_ADC is not set
CONFIG_AT91_ADC=m
# CONFIG_AT91_SAMA5D2_ADC is not set
CONFIG_AXP20X_ADC=m
CONFIG_AXP288_ADC=m
CONFIG_BCM_IPROC_ADC=m
CONFIG_BERLIN2_ADC=m
# CONFIG_CC10001_ADC is not set
CONFIG_CPCAP_ADC=m
# CONFIG_DA9150_GPADC is not set
CONFIG_ENVELOPE_DETECTOR=m
# CONFIG_EXYNOS_ADC is not set
# CONFIG_MXS_LRADC_ADC is not set
# CONFIG_HI8435 is not set
CONFIG_HX711=m
CONFIG_INGENIC_ADC=m
# CONFIG_IMX7D_ADC is not set
CONFIG_IMX8QXP_ADC=m
CONFIG_LPC18XX_ADC=m
CONFIG_LPC32XX_ADC=m
# CONFIG_LTC2471 is not set
CONFIG_LTC2485=m
# CONFIG_LTC2496 is not set
CONFIG_LTC2497=m
CONFIG_MAX1027=m
CONFIG_MAX11100=m
CONFIG_MAX1118=m
# CONFIG_MAX1241 is not set
CONFIG_MAX1363=m
# CONFIG_MAX9611 is not set
CONFIG_MCP320X=m
CONFIG_MCP3422=m
CONFIG_MCP3911=m
# CONFIG_MEDIATEK_MT6360_ADC is not set
CONFIG_MEDIATEK_MT6577_AUXADC=m
CONFIG_MEN_Z188_ADC=m
# CONFIG_MESON_SARADC is not set
CONFIG_MP2629_ADC=m
CONFIG_NAU7802=m
# CONFIG_NPCM_ADC is not set
CONFIG_QCOM_VADC_COMMON=m
CONFIG_QCOM_PM8XXX_XOADC=m
CONFIG_RCAR_GYRO_ADC=m
CONFIG_RN5T618_ADC=m
CONFIG_ROCKCHIP_SARADC=m
CONFIG_RZG2L_ADC=m
CONFIG_SC27XX_ADC=m
CONFIG_SPEAR_ADC=m
CONFIG_SD_ADC_MODULATOR=m
# CONFIG_STM32_ADC_CORE is not set
# CONFIG_STM32_DFSDM_CORE is not set
# CONFIG_STM32_DFSDM_ADC is not set
CONFIG_STMPE_ADC=m
CONFIG_TI_ADC081C=m
CONFIG_TI_ADC0832=m
# CONFIG_TI_ADC084S021 is not set
# CONFIG_TI_ADC12138 is not set
CONFIG_TI_ADC108S102=m
# CONFIG_TI_ADC128S052 is not set
CONFIG_TI_ADC161S626=m
CONFIG_TI_ADS1015=m
CONFIG_TI_ADS7950=m
# CONFIG_TI_ADS8344 is not set
CONFIG_TI_ADS8688=m
# CONFIG_TI_ADS124S08 is not set
CONFIG_TI_ADS131E08=m
# CONFIG_TI_AM335X_ADC is not set
CONFIG_TI_TLC4541=m
# CONFIG_TI_TSC2046 is not set
CONFIG_TWL4030_MADC=m
CONFIG_TWL6030_GPADC=m
CONFIG_VF610_ADC=m
CONFIG_VIPERBOARD_ADC=m
CONFIG_XILINX_XADC=m
# CONFIG_XILINX_AMS is not set
# end of Analog to digital converters

#
# Analog to digital and digital to analog converters
#
# CONFIG_AD74413R is not set
# end of Analog to digital and digital to analog converters

#
# Analog Front Ends
#
CONFIG_IIO_RESCALE=m
# end of Analog Front Ends

#
# Amplifiers
#
CONFIG_AD8366=m
CONFIG_ADA4250=m
CONFIG_HMC425=m
# end of Amplifiers

#
# Capacitance to digital converters
#
CONFIG_AD7150=m
# end of Capacitance to digital converters

#
# Chemical Sensors
#
CONFIG_ATLAS_PH_SENSOR=m
CONFIG_ATLAS_EZO_SENSOR=m
CONFIG_BME680=m
CONFIG_BME680_I2C=m
CONFIG_BME680_SPI=m
CONFIG_CCS811=m
CONFIG_IAQCORE=m
CONFIG_SCD30_CORE=m
# CONFIG_SCD30_I2C is not set
CONFIG_SCD4X=m
CONFIG_SENSIRION_SGP30=m
CONFIG_SENSIRION_SGP40=m
# CONFIG_SPS30_I2C is not set
CONFIG_SENSEAIR_SUNRISE_CO2=m
# CONFIG_VZ89X is not set
# end of Chemical Sensors

#
# Hid Sensor IIO Common
#
CONFIG_HID_SENSOR_IIO_COMMON=m
CONFIG_HID_SENSOR_IIO_TRIGGER=m
# end of Hid Sensor IIO Common

CONFIG_IIO_MS_SENSORS_I2C=m

#
# IIO SCMI Sensors
#
CONFIG_IIO_SCMI=m
# end of IIO SCMI Sensors

#
# SSP Sensor Common
#
CONFIG_IIO_SSP_SENSORS_COMMONS=m
CONFIG_IIO_SSP_SENSORHUB=m
# end of SSP Sensor Common

CONFIG_IIO_ST_SENSORS_I2C=m
CONFIG_IIO_ST_SENSORS_SPI=m
CONFIG_IIO_ST_SENSORS_CORE=m

#
# Digital to analog converters
#
CONFIG_AD3552R=m
# CONFIG_AD5064 is not set
CONFIG_AD5360=m
# CONFIG_AD5380 is not set
# CONFIG_AD5421 is not set
# CONFIG_AD5446 is not set
CONFIG_AD5449=m
CONFIG_AD5592R_BASE=m
# CONFIG_AD5592R is not set
CONFIG_AD5593R=m
CONFIG_AD5504=m
CONFIG_AD5624R_SPI=m
CONFIG_LTC2688=m
CONFIG_AD5686=m
CONFIG_AD5686_SPI=m
# CONFIG_AD5696_I2C is not set
CONFIG_AD5755=m
CONFIG_AD5758=m
# CONFIG_AD5761 is not set
# CONFIG_AD5764 is not set
# CONFIG_AD5766 is not set
CONFIG_AD5770R=m
# CONFIG_AD5791 is not set
CONFIG_AD7293=m
CONFIG_AD7303=m
# CONFIG_AD8801 is not set
CONFIG_DPOT_DAC=m
# CONFIG_DS4424 is not set
# CONFIG_LPC18XX_DAC is not set
CONFIG_LTC1660=m
# CONFIG_LTC2632 is not set
CONFIG_M62332=m
# CONFIG_MAX517 is not set
# CONFIG_MAX5821 is not set
CONFIG_MCP4725=m
# CONFIG_MCP4922 is not set
CONFIG_STM32_DAC=m
CONFIG_STM32_DAC_CORE=m
CONFIG_TI_DAC082S085=m
CONFIG_TI_DAC5571=m
CONFIG_TI_DAC7311=m
# CONFIG_TI_DAC7612 is not set
# CONFIG_VF610_DAC is not set
# end of Digital to analog converters

#
# IIO dummy driver
#
# end of IIO dummy driver

#
# Filters
#
# end of Filters

#
# Frequency Synthesizers DDS/PLL
#

#
# Clock Generator/Distribution
#
CONFIG_AD9523=m
# end of Clock Generator/Distribution

#
# Phase-Locked Loop (PLL) frequency synthesizers
#
CONFIG_ADF4350=m
CONFIG_ADF4371=m
CONFIG_ADMV1013=m
# CONFIG_ADMV4420 is not set
CONFIG_ADRF6780=m
# end of Phase-Locked Loop (PLL) frequency synthesizers
# end of Frequency Synthesizers DDS/PLL

#
# Digital gyroscope sensors
#
# CONFIG_ADIS16080 is not set
CONFIG_ADIS16130=m
# CONFIG_ADIS16136 is not set
CONFIG_ADIS16260=m
# CONFIG_ADXRS290 is not set
CONFIG_ADXRS450=m
CONFIG_BMG160=m
CONFIG_BMG160_I2C=m
CONFIG_BMG160_SPI=m
CONFIG_FXAS21002C=m
CONFIG_FXAS21002C_I2C=m
CONFIG_FXAS21002C_SPI=m
CONFIG_HID_SENSOR_GYRO_3D=m
CONFIG_MPU3050=m
CONFIG_MPU3050_I2C=m
CONFIG_IIO_ST_GYRO_3AXIS=m
CONFIG_IIO_ST_GYRO_I2C_3AXIS=m
CONFIG_IIO_ST_GYRO_SPI_3AXIS=m
CONFIG_ITG3200=m
# end of Digital gyroscope sensors

#
# Health Sensors
#

#
# Heart Rate Monitors
#
CONFIG_AFE4403=m
CONFIG_AFE4404=m
# CONFIG_MAX30100 is not set
# CONFIG_MAX30102 is not set
# end of Heart Rate Monitors
# end of Health Sensors

#
# Humidity sensors
#
CONFIG_AM2315=m
# CONFIG_DHT11 is not set
CONFIG_HDC100X=m
# CONFIG_HDC2010 is not set
CONFIG_HID_SENSOR_HUMIDITY=m
CONFIG_HTS221=m
CONFIG_HTS221_I2C=m
CONFIG_HTS221_SPI=m
CONFIG_HTU21=m
# CONFIG_SI7005 is not set
CONFIG_SI7020=m
# end of Humidity sensors

#
# Inertial measurement units
#
CONFIG_ADIS16400=m
# CONFIG_ADIS16460 is not set
CONFIG_ADIS16475=m
CONFIG_ADIS16480=m
CONFIG_BMI160=m
# CONFIG_BMI160_I2C is not set
CONFIG_BMI160_SPI=m
CONFIG_FXOS8700=m
CONFIG_FXOS8700_I2C=m
# CONFIG_FXOS8700_SPI is not set
# CONFIG_KMX61 is not set
CONFIG_INV_ICM42600=m
CONFIG_INV_ICM42600_I2C=m
CONFIG_INV_ICM42600_SPI=m
CONFIG_INV_MPU6050_IIO=m
# CONFIG_INV_MPU6050_I2C is not set
CONFIG_INV_MPU6050_SPI=m
CONFIG_IIO_ST_LSM6DSX=m
CONFIG_IIO_ST_LSM6DSX_I2C=m
CONFIG_IIO_ST_LSM6DSX_SPI=m
# CONFIG_IIO_ST_LSM9DS0 is not set
# end of Inertial measurement units

CONFIG_IIO_ADIS_LIB=m
CONFIG_IIO_ADIS_LIB_BUFFER=y

#
# Light sensors
#
CONFIG_ADJD_S311=m
# CONFIG_ADUX1020 is not set
CONFIG_AL3010=m
CONFIG_AL3320A=m
# CONFIG_APDS9300 is not set
# CONFIG_APDS9960 is not set
CONFIG_AS73211=m
CONFIG_BH1750=m
# CONFIG_BH1780 is not set
CONFIG_CM32181=m
CONFIG_CM3232=m
CONFIG_CM3323=m
CONFIG_CM3605=m
# CONFIG_CM36651 is not set
CONFIG_GP2AP002=m
CONFIG_GP2AP020A00F=m
# CONFIG_IQS621_ALS is not set
CONFIG_SENSORS_ISL29018=m
CONFIG_SENSORS_ISL29028=m
CONFIG_ISL29125=m
# CONFIG_HID_SENSOR_ALS is not set
# CONFIG_HID_SENSOR_PROX is not set
CONFIG_JSA1212=m
# CONFIG_RPR0521 is not set
CONFIG_SENSORS_LM3533=m
# CONFIG_LTR501 is not set
# CONFIG_LV0104CS is not set
# CONFIG_MAX44000 is not set
CONFIG_MAX44009=m
CONFIG_NOA1305=m
# CONFIG_OPT3001 is not set
CONFIG_PA12203001=m
# CONFIG_SI1133 is not set
# CONFIG_SI1145 is not set
CONFIG_STK3310=m
CONFIG_ST_UVIS25=m
CONFIG_ST_UVIS25_I2C=m
CONFIG_ST_UVIS25_SPI=m
CONFIG_TCS3414=m
CONFIG_TCS3472=m
CONFIG_SENSORS_TSL2563=m
CONFIG_TSL2583=m
# CONFIG_TSL2591 is not set
CONFIG_TSL2772=m
CONFIG_TSL4531=m
CONFIG_US5182D=m
CONFIG_VCNL4000=m
# CONFIG_VCNL4035 is not set
# CONFIG_VEML6030 is not set
# CONFIG_VEML6070 is not set
# CONFIG_VL6180 is not set
# CONFIG_ZOPT2201 is not set
# end of Light sensors

#
# Magnetometer sensors
#
CONFIG_AK8974=m
CONFIG_AK8975=m
CONFIG_AK09911=m
CONFIG_BMC150_MAGN=m
CONFIG_BMC150_MAGN_I2C=m
CONFIG_BMC150_MAGN_SPI=m
# CONFIG_MAG3110 is not set
# CONFIG_HID_SENSOR_MAGNETOMETER_3D is not set
CONFIG_MMC35240=m
# CONFIG_IIO_ST_MAGN_3AXIS is not set
CONFIG_SENSORS_HMC5843=m
# CONFIG_SENSORS_HMC5843_I2C is not set
CONFIG_SENSORS_HMC5843_SPI=m
CONFIG_SENSORS_RM3100=m
CONFIG_SENSORS_RM3100_I2C=m
CONFIG_SENSORS_RM3100_SPI=m
CONFIG_YAMAHA_YAS530=m
# end of Magnetometer sensors

#
# Multiplexers
#
CONFIG_IIO_MUX=m
# end of Multiplexers

#
# Inclinometer sensors
#
CONFIG_HID_SENSOR_INCLINOMETER_3D=m
CONFIG_HID_SENSOR_DEVICE_ROTATION=m
# end of Inclinometer sensors

#
# Triggers - standalone
#
CONFIG_IIO_INTERRUPT_TRIGGER=m
# CONFIG_IIO_STM32_LPTIMER_TRIGGER is not set
# CONFIG_IIO_STM32_TIMER_TRIGGER is not set
CONFIG_IIO_SYSFS_TRIGGER=m
# end of Triggers - standalone

#
# Linear and angular position sensors
#
CONFIG_IQS624_POS=m
CONFIG_HID_SENSOR_CUSTOM_INTEL_HINGE=m
# end of Linear and angular position sensors

#
# Digital potentiometers
#
CONFIG_AD5110=m
CONFIG_AD5272=m
# CONFIG_DS1803 is not set
CONFIG_MAX5432=m
CONFIG_MAX5481=m
CONFIG_MAX5487=m
# CONFIG_MCP4018 is not set
CONFIG_MCP4131=m
CONFIG_MCP4531=m
CONFIG_MCP41010=m
CONFIG_TPL0102=m
# end of Digital potentiometers

#
# Digital potentiostats
#
CONFIG_LMP91000=m
# end of Digital potentiostats

#
# Pressure sensors
#
CONFIG_ABP060MG=m
CONFIG_BMP280=m
CONFIG_BMP280_I2C=m
CONFIG_BMP280_SPI=m
CONFIG_DLHL60D=m
CONFIG_DPS310=m
CONFIG_HID_SENSOR_PRESS=m
CONFIG_HP03=m
CONFIG_ICP10100=m
# CONFIG_MPL115_I2C is not set
# CONFIG_MPL115_SPI is not set
# CONFIG_MPL3115 is not set
CONFIG_MS5611=m
# CONFIG_MS5611_I2C is not set
CONFIG_MS5611_SPI=m
CONFIG_MS5637=m
CONFIG_IIO_ST_PRESS=m
CONFIG_IIO_ST_PRESS_I2C=m
CONFIG_IIO_ST_PRESS_SPI=m
CONFIG_T5403=m
# CONFIG_HP206C is not set
CONFIG_ZPA2326=m
CONFIG_ZPA2326_I2C=m
CONFIG_ZPA2326_SPI=m
# end of Pressure sensors

#
# Lightning sensors
#
CONFIG_AS3935=m
# end of Lightning sensors

#
# Proximity and distance sensors
#
# CONFIG_ISL29501 is not set
# CONFIG_LIDAR_LITE_V2 is not set
CONFIG_MB1232=m
CONFIG_PING=m
CONFIG_RFD77402=m
# CONFIG_SRF04 is not set
CONFIG_SX_COMMON=m
CONFIG_SX9310=m
CONFIG_SX9324=m
# CONFIG_SX9360 is not set
CONFIG_SX9500=m
CONFIG_SRF08=m
CONFIG_VCNL3020=m
# CONFIG_VL53L0X_I2C is not set
# end of Proximity and distance sensors

#
# Resolver to digital converters
#
CONFIG_AD2S90=m
# CONFIG_AD2S1200 is not set
# end of Resolver to digital converters

#
# Temperature sensors
#
CONFIG_IQS620AT_TEMP=m
CONFIG_LTC2983=m
# CONFIG_MAXIM_THERMOCOUPLE is not set
# CONFIG_HID_SENSOR_TEMP is not set
CONFIG_MLX90614=m
# CONFIG_MLX90632 is not set
CONFIG_TMP006=m
CONFIG_TMP007=m
# CONFIG_TMP117 is not set
CONFIG_TSYS01=m
CONFIG_TSYS02D=m
# CONFIG_MAX31856 is not set
# CONFIG_MAX31865 is not set
# end of Temperature sensors

CONFIG_NTB=m
CONFIG_NTB_MSI=y
CONFIG_NTB_IDT=m
CONFIG_NTB_EPF=m
CONFIG_NTB_SWITCHTEC=m
# CONFIG_NTB_PINGPONG is not set
CONFIG_NTB_TOOL=m
CONFIG_NTB_PERF=m
# CONFIG_NTB_MSI_TEST is not set
CONFIG_NTB_TRANSPORT=m
CONFIG_VME_BUS=y

#
# VME Bridge Drivers
#
CONFIG_VME_TSI148=m
CONFIG_VME_FAKE=y

#
# VME Board Drivers
#
# CONFIG_VMIVME_7805 is not set
CONFIG_PWM=y
CONFIG_PWM_SYSFS=y
# CONFIG_PWM_DEBUG is not set
CONFIG_PWM_ATMEL=y
# CONFIG_PWM_ATMEL_HLCDC_PWM is not set
CONFIG_PWM_ATMEL_TCB=m
CONFIG_PWM_BCM_IPROC=y
CONFIG_PWM_BCM_KONA=m
CONFIG_PWM_BCM2835=y
# CONFIG_PWM_BERLIN is not set
CONFIG_PWM_BRCMSTB=m
CONFIG_PWM_CLPS711X=m
# CONFIG_PWM_DWC is not set
# CONFIG_PWM_EP93XX is not set
CONFIG_PWM_FSL_FTM=m
CONFIG_PWM_HIBVT=m
CONFIG_PWM_IMG=y
# CONFIG_PWM_IMX1 is not set
CONFIG_PWM_IMX27=m
CONFIG_PWM_IMX_TPM=y
CONFIG_PWM_INTEL_LGM=y
# CONFIG_PWM_IQS620A is not set
CONFIG_PWM_JZ4740=m
CONFIG_PWM_KEEMBAY=y
CONFIG_PWM_LP3943=m
CONFIG_PWM_LPC18XX_SCT=m
CONFIG_PWM_LPC32XX=y
CONFIG_PWM_LPSS=m
CONFIG_PWM_LPSS_PCI=m
# CONFIG_PWM_LPSS_PLATFORM is not set
# CONFIG_PWM_MESON is not set
CONFIG_PWM_MTK_DISP=y
CONFIG_PWM_MEDIATEK=y
# CONFIG_PWM_MXS is not set
# CONFIG_PWM_OMAP_DMTIMER is not set
CONFIG_PWM_PCA9685=y
CONFIG_PWM_PXA=y
# CONFIG_PWM_RASPBERRYPI_POE is not set
# CONFIG_PWM_RCAR is not set
# CONFIG_PWM_RENESAS_TPU is not set
# CONFIG_PWM_ROCKCHIP is not set
CONFIG_PWM_SAMSUNG=y
CONFIG_PWM_SIFIVE=y
CONFIG_PWM_SL28CPLD=y
CONFIG_PWM_SPEAR=m
CONFIG_PWM_SPRD=m
# CONFIG_PWM_STI is not set
CONFIG_PWM_STM32=m
CONFIG_PWM_STM32_LP=y
# CONFIG_PWM_STMPE is not set
CONFIG_PWM_SUN4I=y
# CONFIG_PWM_SUNPLUS is not set
CONFIG_PWM_TEGRA=y
CONFIG_PWM_TIECAP=m
# CONFIG_PWM_TIEHRPWM is not set
# CONFIG_PWM_TWL is not set
CONFIG_PWM_TWL_LED=y
# CONFIG_PWM_VISCONTI is not set
CONFIG_PWM_VT8500=m
# CONFIG_PWM_XILINX is not set

#
# IRQ chip support
#
CONFIG_IRQCHIP=y
CONFIG_AL_FIC=y
CONFIG_JCORE_AIC=y
CONFIG_RENESAS_INTC_IRQPIN=y
# CONFIG_RENESAS_IRQC is not set
CONFIG_RENESAS_RZA1_IRQC=y
CONFIG_SL28CPLD_INTC=y
CONFIG_TS4800_IRQ=y
# CONFIG_XILINX_INTC is not set
# CONFIG_INGENIC_TCU_IRQ is not set
CONFIG_IRQ_UNIPHIER_AIDET=y
CONFIG_MESON_IRQ_GPIO=m
CONFIG_IMX_IRQSTEER=y
# CONFIG_IMX_INTMUX is not set
CONFIG_RISCV_INTC=y
CONFIG_SIFIVE_PLIC=y
# CONFIG_EXYNOS_IRQ_COMBINER is not set
CONFIG_LOONGSON_PCH_PIC=y
CONFIG_LOONGSON_PCH_MSI=y
CONFIG_MST_IRQ=y
# CONFIG_MCHP_EIC is not set
# end of IRQ chip support

CONFIG_IPACK_BUS=m
# CONFIG_BOARD_TPCI200 is not set
CONFIG_RESET_CONTROLLER=y
# CONFIG_RESET_ATH79 is not set
# CONFIG_RESET_AXS10X is not set
CONFIG_RESET_BCM6345=y
CONFIG_RESET_BERLIN=y
# CONFIG_RESET_BRCMSTB is not set
CONFIG_RESET_BRCMSTB_RESCAL=m
CONFIG_RESET_HSDK=y
# CONFIG_RESET_IMX7 is not set
# CONFIG_RESET_INTEL_GW is not set
# CONFIG_RESET_K210 is not set
# CONFIG_RESET_LANTIQ is not set
CONFIG_RESET_LPC18XX=y
CONFIG_RESET_MCHP_SPARX5=y
CONFIG_RESET_MESON=y
# CONFIG_RESET_MESON_AUDIO_ARB is not set
# CONFIG_RESET_NPCM is not set
CONFIG_RESET_PISTACHIO=y
# CONFIG_RESET_QCOM_AOSS is not set
# CONFIG_RESET_QCOM_PDC is not set
# CONFIG_RESET_RASPBERRYPI is not set
CONFIG_RESET_RZG2L_USBPHY_CTRL=m
CONFIG_RESET_SCMI=m
CONFIG_RESET_SIMPLE=y
CONFIG_RESET_SOCFPGA=y
# CONFIG_RESET_STARFIVE_JH7100 is not set
# CONFIG_RESET_SUNXI is not set
CONFIG_RESET_TI_SCI=y
CONFIG_RESET_TI_SYSCON=y
CONFIG_RESET_TN48M_CPLD=y
CONFIG_RESET_UNIPHIER=y
CONFIG_RESET_UNIPHIER_GLUE=y
CONFIG_RESET_ZYNQ=y
CONFIG_COMMON_RESET_HI3660=m
CONFIG_COMMON_RESET_HI6220=m

#
# PHY Subsystem
#
CONFIG_GENERIC_PHY=y
CONFIG_GENERIC_PHY_MIPI_DPHY=y
# CONFIG_PHY_LPC18XX_USB_OTG is not set
CONFIG_PHY_PISTACHIO_USB=y
CONFIG_PHY_XGENE=y
CONFIG_USB_LGM_PHY=y
# CONFIG_PHY_CAN_TRANSCEIVER is not set
CONFIG_PHY_SUN4I_USB=y
# CONFIG_PHY_SUN6I_MIPI_DPHY is not set
# CONFIG_PHY_SUN9I_USB is not set
# CONFIG_PHY_SUN50I_USB3 is not set
CONFIG_PHY_MESON8_HDMI_TX=y
CONFIG_PHY_MESON8B_USB2=y
# CONFIG_PHY_MESON_GXL_USB2 is not set
CONFIG_PHY_MESON_G12A_USB2=y
CONFIG_PHY_MESON_G12A_USB3_PCIE=y
CONFIG_PHY_MESON_AXG_PCIE=m
# CONFIG_PHY_MESON_AXG_MIPI_PCIE_ANALOG is not set
CONFIG_PHY_MESON_AXG_MIPI_DPHY=y

#
# PHY drivers for Broadcom platforms
#
CONFIG_PHY_BCM63XX_USBH=y
CONFIG_PHY_CYGNUS_PCIE=y
CONFIG_PHY_BCM_SR_USB=m
# CONFIG_BCM_KONA_USB2_PHY is not set
CONFIG_PHY_BCM_NS_USB2=m
# CONFIG_PHY_NS2_USB_DRD is not set
CONFIG_PHY_BRCM_SATA=m
# CONFIG_PHY_BRCM_USB is not set
# CONFIG_PHY_BCM_SR_PCIE is not set
# end of PHY drivers for Broadcom platforms

CONFIG_PHY_CADENCE_TORRENT=m
CONFIG_PHY_CADENCE_DPHY=y
CONFIG_PHY_CADENCE_DPHY_RX=y
CONFIG_PHY_CADENCE_SIERRA=y
CONFIG_PHY_CADENCE_SALVO=y
# CONFIG_PHY_FSL_IMX8MQ_USB is not set
CONFIG_PHY_MIXEL_MIPI_DPHY=y
# CONFIG_PHY_FSL_IMX8M_PCIE is not set
# CONFIG_PHY_FSL_LYNX_28G is not set
CONFIG_PHY_HI6220_USB=m
CONFIG_PHY_HI3660_USB=y
# CONFIG_PHY_HI3670_USB is not set
CONFIG_PHY_HI3670_PCIE=y
# CONFIG_PHY_HISTB_COMBPHY is not set
CONFIG_PHY_HISI_INNO_USB2=y
CONFIG_PHY_INGENIC_USB=m
# CONFIG_PHY_LANTIQ_VRX200_PCIE is not set
# CONFIG_PHY_LANTIQ_RCU_USB2 is not set
# CONFIG_ARMADA375_USBCLUSTER_PHY is not set
# CONFIG_PHY_BERLIN_SATA is not set
# CONFIG_PHY_BERLIN_USB is not set
# CONFIG_PHY_MVEBU_A3700_UTMI is not set
# CONFIG_PHY_MVEBU_A38X_COMPHY is not set
CONFIG_PHY_MVEBU_CP110_UTMI=y
# CONFIG_PHY_PXA_28NM_HSIC is not set
CONFIG_PHY_PXA_28NM_USB2=m
CONFIG_PHY_PXA_USB=m
CONFIG_PHY_MMP3_USB=m
CONFIG_PHY_MMP3_HSIC=m
CONFIG_PHY_MTK_TPHY=m
# CONFIG_PHY_MTK_UFS is not set
CONFIG_PHY_MTK_XSPHY=m
CONFIG_PHY_MTK_HDMI=y
# CONFIG_PHY_MTK_MIPI_DSI is not set
CONFIG_PHY_SPARX5_SERDES=y
CONFIG_PHY_LAN966X_SERDES=m
CONFIG_PHY_CPCAP_USB=m
CONFIG_PHY_MAPPHONE_MDM6600=m
# CONFIG_PHY_OCELOT_SERDES is not set
CONFIG_PHY_ATH79_USB=m
# CONFIG_PHY_QCOM_EDP is not set
CONFIG_PHY_QCOM_IPQ4019_USB=m
CONFIG_PHY_QCOM_PCIE2=m
# CONFIG_PHY_QCOM_QMP is not set
CONFIG_PHY_QCOM_QUSB2=m
# CONFIG_PHY_QCOM_USB_HS is not set
CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2=y
CONFIG_PHY_QCOM_USB_HSIC=y
CONFIG_PHY_QCOM_USB_HS_28NM=y
CONFIG_PHY_QCOM_USB_SS=y
# CONFIG_PHY_QCOM_IPQ806X_USB is not set
CONFIG_PHY_MT7621_PCI=y
CONFIG_PHY_RALINK_USB=m
# CONFIG_PHY_RCAR_GEN3_USB3 is not set
CONFIG_PHY_ROCKCHIP_DPHY_RX0=y
# CONFIG_PHY_ROCKCHIP_INNO_HDMI is not set
CONFIG_PHY_ROCKCHIP_INNO_USB2=m
# CONFIG_PHY_ROCKCHIP_INNO_CSIDPHY is not set
CONFIG_PHY_ROCKCHIP_INNO_DSIDPHY=m
CONFIG_PHY_ROCKCHIP_PCIE=m
CONFIG_PHY_ROCKCHIP_TYPEC=y
CONFIG_PHY_EXYNOS_DP_VIDEO=y
CONFIG_PHY_EXYNOS_MIPI_VIDEO=m
# CONFIG_PHY_EXYNOS_PCIE is not set
CONFIG_PHY_SAMSUNG_UFS=m
CONFIG_PHY_SAMSUNG_USB2=m
CONFIG_PHY_S5PV210_USB2=y
# CONFIG_PHY_UNIPHIER_USB2 is not set
CONFIG_PHY_UNIPHIER_USB3=y
CONFIG_PHY_UNIPHIER_PCIE=y
CONFIG_PHY_UNIPHIER_AHCI=m
CONFIG_PHY_ST_SPEAR1310_MIPHY=m
CONFIG_PHY_ST_SPEAR1340_MIPHY=m
CONFIG_PHY_STIH407_USB=y
# CONFIG_PHY_STM32_USBPHYC is not set
CONFIG_PHY_TEGRA194_P2U=m
# CONFIG_PHY_DA8XX_USB is not set
CONFIG_PHY_DM816X_USB=y
# CONFIG_PHY_AM654_SERDES is not set
CONFIG_PHY_J721E_WIZ=m
CONFIG_OMAP_CONTROL_PHY=y
CONFIG_TI_PIPE3=m
# CONFIG_PHY_TUSB1210 is not set
CONFIG_PHY_INTEL_KEEMBAY_EMMC=y
# CONFIG_PHY_INTEL_KEEMBAY_USB is not set
CONFIG_PHY_INTEL_LGM_COMBO=y
# CONFIG_PHY_INTEL_LGM_EMMC is not set
# CONFIG_PHY_INTEL_THUNDERBAY_EMMC is not set
CONFIG_PHY_XILINX_ZYNQMP=m
# end of PHY Subsystem

# CONFIG_POWERCAP is not set
CONFIG_MCB=y
CONFIG_MCB_PCI=m
CONFIG_MCB_LPC=y
# CONFIG_RAS is not set
CONFIG_USB4=y
# CONFIG_USB4_DEBUGFS_WRITE is not set
CONFIG_USB4_DMA_TEST=y

#
# Android
#
# CONFIG_ANDROID is not set
# end of Android

# CONFIG_DAX is not set
CONFIG_NVMEM=y
CONFIG_NVMEM_SYSFS=y
# CONFIG_NVMEM_IMX_IIM is not set
CONFIG_NVMEM_IMX_OCOTP=y
# CONFIG_JZ4780_EFUSE is not set
# CONFIG_NVMEM_LPC18XX_EEPROM is not set
CONFIG_NVMEM_LPC18XX_OTP=y
CONFIG_NVMEM_MXS_OCOTP=y
# CONFIG_MTK_EFUSE is not set
CONFIG_NVMEM_NINTENDO_OTP=y
CONFIG_QCOM_QFPROM=y
# CONFIG_ROCKCHIP_EFUSE is not set
# CONFIG_ROCKCHIP_OTP is not set
CONFIG_NVMEM_BCM_OCOTP=y
# CONFIG_NVMEM_STM32_ROMEM is not set
# CONFIG_UNIPHIER_EFUSE is not set
# CONFIG_NVMEM_VF610_OCOTP is not set
CONFIG_MESON_MX_EFUSE=y
CONFIG_NVMEM_SNVS_LPGPR=y
CONFIG_SC27XX_EFUSE=y
CONFIG_SPRD_EFUSE=m
CONFIG_NVMEM_RMEM=m
CONFIG_NVMEM_BRCM_NVRAM=y
CONFIG_NVMEM_LAYERSCAPE_SFP=m
CONFIG_NVMEM_SUNPLUS_OCOTP=m
# CONFIG_NVMEM_APPLE_EFUSES is not set

#
# HW tracing support
#
CONFIG_STM=y
CONFIG_STM_PROTO_BASIC=m
CONFIG_STM_PROTO_SYS_T=m
CONFIG_STM_DUMMY=m
# CONFIG_STM_SOURCE_CONSOLE is not set
# CONFIG_STM_SOURCE_HEARTBEAT is not set
# CONFIG_STM_SOURCE_FTRACE is not set
# CONFIG_INTEL_TH is not set
# end of HW tracing support

CONFIG_FPGA=y
CONFIG_FPGA_MGR_SOCFPGA=m
CONFIG_FPGA_MGR_SOCFPGA_A10=m
# CONFIG_ALTERA_PR_IP_CORE is not set
CONFIG_FPGA_MGR_ALTERA_PS_SPI=m
CONFIG_FPGA_MGR_ALTERA_CVP=y
CONFIG_FPGA_MGR_ZYNQ_FPGA=m
# CONFIG_FPGA_MGR_XILINX_SPI is not set
CONFIG_FPGA_MGR_ICE40_SPI=m
CONFIG_FPGA_MGR_MACHXO2_SPI=y
CONFIG_FPGA_BRIDGE=m
CONFIG_ALTERA_FREEZE_BRIDGE=m
CONFIG_XILINX_PR_DECOUPLER=m
CONFIG_FPGA_REGION=m
CONFIG_OF_FPGA_REGION=m
CONFIG_FPGA_DFL=m
CONFIG_FPGA_DFL_AFU=m
CONFIG_FPGA_DFL_NIOS_INTEL_PAC_N3000=m
# CONFIG_FPGA_DFL_PCI is not set
CONFIG_FPGA_MGR_ZYNQMP_FPGA=y
# CONFIG_FPGA_MGR_VERSAL_FPGA is not set
CONFIG_FSI=m
CONFIG_FSI_NEW_DEV_NODE=y
CONFIG_FSI_MASTER_GPIO=m
CONFIG_FSI_MASTER_HUB=m
CONFIG_FSI_MASTER_AST_CF=m
CONFIG_FSI_MASTER_ASPEED=m
CONFIG_FSI_SCOM=m
CONFIG_FSI_SBEFIFO=m
# CONFIG_FSI_OCC is not set
CONFIG_TEE=m
CONFIG_MULTIPLEXER=m

#
# Multiplexer drivers
#
CONFIG_MUX_ADG792A=m
CONFIG_MUX_ADGS1408=m
CONFIG_MUX_GPIO=m
CONFIG_MUX_MMIO=m
# end of Multiplexer drivers

CONFIG_PM_OPP=y
CONFIG_SIOX=y
# CONFIG_SIOX_BUS_GPIO is not set
CONFIG_SLIMBUS=m
CONFIG_SLIM_QCOM_CTRL=m
CONFIG_INTERCONNECT=y
# CONFIG_INTERCONNECT_IMX is not set
# CONFIG_INTERCONNECT_QCOM_OSM_L3 is not set
CONFIG_INTERCONNECT_SAMSUNG=y
# CONFIG_INTERCONNECT_EXYNOS is not set
CONFIG_COUNTER=m
CONFIG_104_QUAD_8=m
# CONFIG_INTERRUPT_CNT is not set
# CONFIG_STM32_TIMER_CNT is not set
CONFIG_STM32_LPTIMER_CNT=m
CONFIG_TI_EQEP=m
CONFIG_FTM_QUADDEC=m
# CONFIG_MICROCHIP_TCB_CAPTURE is not set
CONFIG_INTEL_QEP=m
# CONFIG_MOST is not set
# CONFIG_PECI is not set
# CONFIG_HTE is not set
# end of Device Drivers

#
# File systems
#
CONFIG_VALIDATE_FS_PARSER=y
CONFIG_FS_IOMAP=y
# CONFIG_EXT2_FS is not set
# CONFIG_EXT3_FS is not set
CONFIG_EXT4_FS=y
CONFIG_EXT4_USE_FOR_EXT2=y
CONFIG_EXT4_FS_POSIX_ACL=y
# CONFIG_EXT4_FS_SECURITY is not set
# CONFIG_EXT4_DEBUG is not set
CONFIG_JBD2=y
CONFIG_JBD2_DEBUG=y
CONFIG_FS_MBCACHE=y
CONFIG_REISERFS_FS=m
CONFIG_REISERFS_CHECK=y
# CONFIG_REISERFS_PROC_INFO is not set
CONFIG_REISERFS_FS_XATTR=y
# CONFIG_REISERFS_FS_POSIX_ACL is not set
# CONFIG_REISERFS_FS_SECURITY is not set
CONFIG_JFS_FS=y
CONFIG_JFS_POSIX_ACL=y
# CONFIG_JFS_SECURITY is not set
CONFIG_JFS_DEBUG=y
CONFIG_JFS_STATISTICS=y
CONFIG_XFS_FS=y
# CONFIG_XFS_SUPPORT_V4 is not set
CONFIG_XFS_QUOTA=y
# CONFIG_XFS_POSIX_ACL is not set
CONFIG_XFS_RT=y
# CONFIG_XFS_ONLINE_SCRUB is not set
CONFIG_XFS_DEBUG=y
# CONFIG_XFS_ASSERT_FATAL is not set
CONFIG_GFS2_FS=y
CONFIG_BTRFS_FS=m
# CONFIG_BTRFS_FS_POSIX_ACL is not set
CONFIG_BTRFS_FS_CHECK_INTEGRITY=y
# CONFIG_BTRFS_FS_RUN_SANITY_TESTS is not set
CONFIG_BTRFS_DEBUG=y
# CONFIG_BTRFS_ASSERT is not set
# CONFIG_BTRFS_FS_REF_VERIFY is not set
CONFIG_NILFS2_FS=y
CONFIG_F2FS_FS=m
# CONFIG_F2FS_STAT_FS is not set
CONFIG_F2FS_FS_XATTR=y
# CONFIG_F2FS_FS_POSIX_ACL is not set
# CONFIG_F2FS_FS_SECURITY is not set
# CONFIG_F2FS_CHECK_FS is not set
# CONFIG_F2FS_FAULT_INJECTION is not set
# CONFIG_F2FS_FS_COMPRESSION is not set
CONFIG_F2FS_IOSTAT=y
CONFIG_FS_POSIX_ACL=y
CONFIG_EXPORTFS=y
CONFIG_EXPORTFS_BLOCK_OPS=y
CONFIG_FILE_LOCKING=y
CONFIG_FS_ENCRYPTION=y
CONFIG_FS_ENCRYPTION_ALGS=y
CONFIG_FS_VERITY=y
CONFIG_FS_VERITY_DEBUG=y
# CONFIG_FS_VERITY_BUILTIN_SIGNATURES is not set
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_FANOTIFY is not set
# CONFIG_QUOTA is not set
CONFIG_QUOTACTL=y
CONFIG_AUTOFS4_FS=y
CONFIG_AUTOFS_FS=y
CONFIG_FUSE_FS=m
CONFIG_CUSE=m
CONFIG_VIRTIO_FS=m
CONFIG_OVERLAY_FS=y
CONFIG_OVERLAY_FS_REDIRECT_DIR=y
CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW=y
CONFIG_OVERLAY_FS_INDEX=y
# CONFIG_OVERLAY_FS_NFS_EXPORT is not set
# CONFIG_OVERLAY_FS_METACOPY is not set

#
# Caches
#
# CONFIG_FSCACHE is not set
# end of Caches

#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
# CONFIG_UDF_FS is not set
# end of CD-ROM/DVD Filesystems

#
# DOS/FAT/EXFAT/NT Filesystems
#
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_FAT_DEFAULT_UTF8 is not set
CONFIG_EXFAT_FS=m
CONFIG_EXFAT_DEFAULT_IOCHARSET="utf8"
# CONFIG_NTFS_FS is not set
CONFIG_NTFS3_FS=m
# CONFIG_NTFS3_LZX_XPRESS is not set
CONFIG_NTFS3_FS_POSIX_ACL=y
# end of DOS/FAT/EXFAT/NT Filesystems

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
# CONFIG_PROC_KCORE is not set
# CONFIG_PROC_VMCORE is not set
CONFIG_PROC_SYSCTL=y
# CONFIG_PROC_PAGE_MONITOR is not set
CONFIG_PROC_CHILDREN=y
CONFIG_KERNFS=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
CONFIG_TMPFS_XATTR=y
CONFIG_ARCH_SUPPORTS_HUGETLBFS=y
# CONFIG_HUGETLBFS is not set
CONFIG_MEMFD_CREATE=y
CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
CONFIG_CONFIGFS_FS=y
CONFIG_EFIVAR_FS=m
# end of Pseudo filesystems

# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_737=y
CONFIG_NLS_CODEPAGE_775=m
# CONFIG_NLS_CODEPAGE_850 is not set
CONFIG_NLS_CODEPAGE_852=m
CONFIG_NLS_CODEPAGE_855=m
CONFIG_NLS_CODEPAGE_857=m
CONFIG_NLS_CODEPAGE_860=m
CONFIG_NLS_CODEPAGE_861=m
CONFIG_NLS_CODEPAGE_862=y
CONFIG_NLS_CODEPAGE_863=y
# CONFIG_NLS_CODEPAGE_864 is not set
CONFIG_NLS_CODEPAGE_865=y
CONFIG_NLS_CODEPAGE_866=y
CONFIG_NLS_CODEPAGE_869=y
CONFIG_NLS_CODEPAGE_936=y
CONFIG_NLS_CODEPAGE_950=y
CONFIG_NLS_CODEPAGE_932=y
CONFIG_NLS_CODEPAGE_949=y
# CONFIG_NLS_CODEPAGE_874 is not set
CONFIG_NLS_ISO8859_8=y
CONFIG_NLS_CODEPAGE_1250=m
# CONFIG_NLS_CODEPAGE_1251 is not set
CONFIG_NLS_ASCII=m
# CONFIG_NLS_ISO8859_1 is not set
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
CONFIG_NLS_ISO8859_4=y
CONFIG_NLS_ISO8859_5=m
# CONFIG_NLS_ISO8859_6 is not set
CONFIG_NLS_ISO8859_7=y
CONFIG_NLS_ISO8859_9=y
CONFIG_NLS_ISO8859_13=y
# CONFIG_NLS_ISO8859_14 is not set
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=y
CONFIG_NLS_MAC_ROMAN=y
CONFIG_NLS_MAC_CELTIC=y
CONFIG_NLS_MAC_CENTEURO=m
# CONFIG_NLS_MAC_CROATIAN is not set
# CONFIG_NLS_MAC_CYRILLIC is not set
CONFIG_NLS_MAC_GAELIC=y
# CONFIG_NLS_MAC_GREEK is not set
# CONFIG_NLS_MAC_ICELAND is not set
CONFIG_NLS_MAC_INUIT=y
# CONFIG_NLS_MAC_ROMANIAN is not set
CONFIG_NLS_MAC_TURKISH=m
CONFIG_NLS_UTF8=y
CONFIG_UNICODE=m
# CONFIG_UNICODE_NORMALIZATION_SELFTEST is not set
# end of File systems

#
# Security options
#
CONFIG_KEYS=y
# CONFIG_KEYS_REQUEST_CACHE is not set
# CONFIG_PERSISTENT_KEYRINGS is not set
CONFIG_TRUSTED_KEYS=m
# CONFIG_TRUSTED_KEYS_TPM is not set
CONFIG_TRUSTED_KEYS_TEE=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_USER_DECRYPTED_DATA=y
# CONFIG_KEY_DH_OPERATIONS is not set
CONFIG_SECURITY_DMESG_RESTRICT=y
CONFIG_SECURITYFS=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_STATIC_USERMODEHELPER=y
CONFIG_STATIC_USERMODEHELPER_PATH="/sbin/usermode-helper"
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_LSM="landlock,lockdown,yama,loadpin,safesetid,integrity,bpf"

#
# Kernel hardening options
#

#
# Memory initialization
#
CONFIG_CC_HAS_AUTO_VAR_INIT_PATTERN=y
CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO=y
CONFIG_INIT_STACK_NONE=y
# CONFIG_INIT_STACK_ALL_PATTERN is not set
# CONFIG_INIT_STACK_ALL_ZERO is not set
CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
# CONFIG_INIT_ON_FREE_DEFAULT_ON is not set
# end of Memory initialization

CONFIG_CC_HAS_RANDSTRUCT=y
CONFIG_RANDSTRUCT_NONE=y
# CONFIG_RANDSTRUCT_FULL is not set
# end of Kernel hardening options
# end of Security options

CONFIG_XOR_BLOCKS=y
CONFIG_ASYNC_TX_DISABLE_PQ_VAL_DMA=y
CONFIG_ASYNC_TX_DISABLE_XOR_VAL_DMA=y
CONFIG_CRYPTO=y

#
# Crypto core or helper
#
# CONFIG_CRYPTO_FIPS is not set
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_SKCIPHER=y
CONFIG_CRYPTO_SKCIPHER2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_RNG_DEFAULT=y
CONFIG_CRYPTO_AKCIPHER2=y
CONFIG_CRYPTO_AKCIPHER=y
CONFIG_CRYPTO_KPP2=y
CONFIG_CRYPTO_KPP=m
CONFIG_CRYPTO_ACOMP2=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
# CONFIG_CRYPTO_MANAGER_EXTRA_TESTS is not set
CONFIG_CRYPTO_GF128MUL=m
CONFIG_CRYPTO_NULL=y
CONFIG_CRYPTO_NULL2=y
# CONFIG_CRYPTO_PCRYPT is not set
# CONFIG_CRYPTO_CRYPTD is not set
CONFIG_CRYPTO_AUTHENC=y
CONFIG_CRYPTO_TEST=y

#
# Public-key cryptography
#
CONFIG_CRYPTO_RSA=y
# CONFIG_CRYPTO_DH is not set
CONFIG_CRYPTO_ECC=y
CONFIG_CRYPTO_ECDH=m
CONFIG_CRYPTO_ECDSA=y
CONFIG_CRYPTO_ECRDSA=y
CONFIG_CRYPTO_SM2=y
# CONFIG_CRYPTO_CURVE25519 is not set

#
# Authenticated Encryption with Associated Data
#
CONFIG_CRYPTO_CCM=y
# CONFIG_CRYPTO_GCM is not set
CONFIG_CRYPTO_CHACHA20POLY1305=y
CONFIG_CRYPTO_AEGIS128=m
CONFIG_CRYPTO_SEQIV=m
# CONFIG_CRYPTO_ECHAINIV is not set

#
# Block modes
#
CONFIG_CRYPTO_CBC=m
CONFIG_CRYPTO_CFB=y
CONFIG_CRYPTO_CTR=y
CONFIG_CRYPTO_CTS=y
CONFIG_CRYPTO_ECB=y
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_OFB=m
# CONFIG_CRYPTO_PCBC is not set
# CONFIG_CRYPTO_XTS is not set
CONFIG_CRYPTO_KEYWRAP=y
CONFIG_CRYPTO_NHPOLY1305=y
CONFIG_CRYPTO_ADIANTUM=y
# CONFIG_CRYPTO_ESSIV is not set

#
# Hash modes
#
# CONFIG_CRYPTO_CMAC is not set
CONFIG_CRYPTO_HMAC=y
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_VMAC is not set

#
# Digest
#
CONFIG_CRYPTO_CRC32C=y
CONFIG_CRYPTO_CRC32=m
CONFIG_CRYPTO_XXHASH=m
CONFIG_CRYPTO_BLAKE2B=y
CONFIG_CRYPTO_BLAKE2S=y
CONFIG_CRYPTO_CRCT10DIF=y
CONFIG_CRYPTO_CRC64_ROCKSOFT=y
# CONFIG_CRYPTO_GHASH is not set
CONFIG_CRYPTO_POLY1305=y
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_RMD160 is not set
CONFIG_CRYPTO_SHA1=y
CONFIG_CRYPTO_SHA256=y
CONFIG_CRYPTO_SHA512=y
CONFIG_CRYPTO_SHA3=y
CONFIG_CRYPTO_SM3=y
CONFIG_CRYPTO_SM3_GENERIC=y
CONFIG_CRYPTO_STREEBOG=y
CONFIG_CRYPTO_WP512=y

#
# Ciphers
#
CONFIG_CRYPTO_AES=y
# CONFIG_CRYPTO_AES_TI is not set
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_BLOWFISH_COMMON=m
# CONFIG_CRYPTO_CAMELLIA is not set
CONFIG_CRYPTO_CAST_COMMON=m
# CONFIG_CRYPTO_CAST5 is not set
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_DES=y
CONFIG_CRYPTO_FCRYPT=y
CONFIG_CRYPTO_CHACHA20=y
CONFIG_CRYPTO_SERPENT=y
CONFIG_CRYPTO_SM4=m
CONFIG_CRYPTO_SM4_GENERIC=m
# CONFIG_CRYPTO_TWOFISH is not set

#
# Compression
#
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=m
CONFIG_CRYPTO_842=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_ZSTD=m

#
# Random Number Generation
#
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_DRBG_MENU=y
CONFIG_CRYPTO_DRBG_HMAC=y
# CONFIG_CRYPTO_DRBG_HASH is not set
CONFIG_CRYPTO_DRBG_CTR=y
CONFIG_CRYPTO_DRBG=y
CONFIG_CRYPTO_JITTERENTROPY=y
CONFIG_CRYPTO_HASH_INFO=y
# CONFIG_CRYPTO_HW is not set
CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
CONFIG_X509_CERTIFICATE_PARSER=y
# CONFIG_PKCS8_PRIVATE_KEY_PARSER is not set
CONFIG_PKCS7_MESSAGE_PARSER=y
CONFIG_PKCS7_TEST_KEY=y
# CONFIG_SIGNED_PE_FILE_VERIFICATION is not set

#
# Certificates for signature checking
#
CONFIG_MODULE_SIG_KEY="certs/signing_key.pem"
CONFIG_MODULE_SIG_KEY_TYPE_RSA=y
# CONFIG_MODULE_SIG_KEY_TYPE_ECDSA is not set
CONFIG_SYSTEM_TRUSTED_KEYRING=y
CONFIG_SYSTEM_TRUSTED_KEYS=""
CONFIG_SYSTEM_EXTRA_CERTIFICATE=y
CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE=4096
CONFIG_SECONDARY_TRUSTED_KEYRING=y
# CONFIG_SYSTEM_BLACKLIST_KEYRING is not set
# end of Certificates for signature checking

CONFIG_BINARY_PRINTF=y

#
# Library routines
#
CONFIG_RAID6_PQ=m
# CONFIG_RAID6_PQ_BENCHMARK is not set
CONFIG_LINEAR_RANGES=y
CONFIG_PACKING=y
CONFIG_BITREVERSE=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_NET_UTILS=y
CONFIG_CORDIC=m
CONFIG_PRIME_NUMBERS=y
CONFIG_RATIONAL=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_STMP_DEVICE=y

#
# Crypto library routines
#
CONFIG_CRYPTO_LIB_AES=y
CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
CONFIG_CRYPTO_LIB_CHACHA_GENERIC=y
CONFIG_CRYPTO_LIB_CHACHA=y
CONFIG_CRYPTO_LIB_CURVE25519_GENERIC=y
CONFIG_CRYPTO_LIB_CURVE25519=y
CONFIG_CRYPTO_LIB_DES=y
CONFIG_CRYPTO_LIB_POLY1305_RSIZE=1
CONFIG_CRYPTO_LIB_POLY1305_GENERIC=y
# CONFIG_CRYPTO_LIB_POLY1305 is not set
# CONFIG_CRYPTO_LIB_CHACHA20POLY1305 is not set
CONFIG_CRYPTO_LIB_SHA256=y
# end of Crypto library routines

CONFIG_LIB_MEMNEQ=y
CONFIG_CRC_CCITT=m
CONFIG_CRC16=y
CONFIG_CRC_T10DIF=y
CONFIG_CRC64_ROCKSOFT=y
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC32_SELFTEST is not set
# CONFIG_CRC32_SLICEBY8 is not set
CONFIG_CRC32_SLICEBY4=y
# CONFIG_CRC32_SARWATE is not set
# CONFIG_CRC32_BIT is not set
CONFIG_CRC64=y
CONFIG_CRC4=y
CONFIG_CRC7=y
CONFIG_LIBCRC32C=y
CONFIG_CRC8=y
CONFIG_XXHASH=y
CONFIG_RANDOM32_SELFTEST=y
CONFIG_842_COMPRESS=m
CONFIG_842_DECOMPRESS=m
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_LZO_COMPRESS=m
CONFIG_LZO_DECOMPRESS=m
CONFIG_LZ4_COMPRESS=m
CONFIG_LZ4HC_COMPRESS=m
CONFIG_LZ4_DECOMPRESS=m
CONFIG_ZSTD_COMPRESS=m
CONFIG_ZSTD_DECOMPRESS=y
CONFIG_XZ_DEC=y
CONFIG_XZ_DEC_X86=y
# CONFIG_XZ_DEC_POWERPC is not set
# CONFIG_XZ_DEC_IA64 is not set
# CONFIG_XZ_DEC_ARM is not set
CONFIG_XZ_DEC_ARMTHUMB=y
CONFIG_XZ_DEC_SPARC=y
# CONFIG_XZ_DEC_MICROLZMA is not set
CONFIG_XZ_DEC_BCJ=y
# CONFIG_XZ_DEC_TEST is not set
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_ZSTD=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_REED_SOLOMON=m
CONFIG_REED_SOLOMON_DEC16=y
CONFIG_BCH=m
CONFIG_INTERVAL_TREE=y
CONFIG_ASSOCIATIVE_ARRAY=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HAS_DMA=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_DMA_DECLARE_COHERENT=y
CONFIG_DMA_CMA=y
CONFIG_DMA_PERNUMA_CMA=y

#
# Default contiguous memory area size:
#
CONFIG_CMA_SIZE_PERCENTAGE=10
# CONFIG_CMA_SIZE_SEL_MBYTES is not set
CONFIG_CMA_SIZE_SEL_PERCENTAGE=y
# CONFIG_CMA_SIZE_SEL_MIN is not set
# CONFIG_CMA_SIZE_SEL_MAX is not set
CONFIG_CMA_ALIGNMENT=8
CONFIG_DMA_API_DEBUG=y
# CONFIG_DMA_API_DEBUG_SG is not set
# CONFIG_DMA_MAP_BENCHMARK is not set
CONFIG_SGL_ALLOC=y
CONFIG_GLOB=y
# CONFIG_GLOB_SELFTEST is not set
CONFIG_GENERIC_ATOMIC64=y
CONFIG_CLZ_TAB=y
CONFIG_IRQ_POLL=y
CONFIG_MPILIB=y
CONFIG_LIBFDT=y
CONFIG_OID_REGISTRY=y
CONFIG_UCS2_STRING=y
CONFIG_SG_POOL=y
CONFIG_MEMREGION=y
CONFIG_ARCH_STACKWALK=y
CONFIG_STACKDEPOT=y
CONFIG_STACK_HASH_ORDER=20
CONFIG_SBITMAP=y
CONFIG_PARMAN=m
# CONFIG_OBJAGG is not set
# end of Library routines

CONFIG_GENERIC_IOREMAP=y
CONFIG_GENERIC_LIB_ASHLDI3=y
CONFIG_GENERIC_LIB_ASHRDI3=y
CONFIG_GENERIC_LIB_LSHRDI3=y
CONFIG_GENERIC_LIB_UCMPDI2=y
CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED=y
CONFIG_POLYNOMIAL=m

#
# Kernel hacking
#

#
# printk and dmesg options
#
CONFIG_PRINTK_TIME=y
# CONFIG_PRINTK_CALLER is not set
# CONFIG_STACKTRACE_BUILD_ID is not set
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
CONFIG_CONSOLE_LOGLEVEL_QUIET=4
CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_DYNAMIC_DEBUG is not set
CONFIG_DYNAMIC_DEBUG_CORE=y
CONFIG_SYMBOLIC_ERRNAME=y
# end of printk and dmesg options

CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_MISC is not set

#
# Compile-time checks and compiler options
#
CONFIG_DEBUG_INFO_NONE=y
# CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is not set
# CONFIG_DEBUG_INFO_DWARF4 is not set
# CONFIG_DEBUG_INFO_DWARF5 is not set
CONFIG_FRAME_WARN=1024
CONFIG_STRIP_ASM_SYMS=y
CONFIG_HEADERS_INSTALL=y
CONFIG_SECTION_MISMATCH_WARN_ONLY=y
CONFIG_ARCH_WANT_FRAME_POINTERS=y
CONFIG_FRAME_POINTER=y
# CONFIG_VMLINUX_MAP is not set
CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
# end of Compile-time checks and compiler options

#
# Generic Kernel Debugging Instruments
#
CONFIG_MAGIC_SYSRQ=y
CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1
# CONFIG_MAGIC_SYSRQ_SERIAL is not set
CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_FS_ALLOW_ALL is not set
CONFIG_DEBUG_FS_DISALLOW_MOUNT=y
# CONFIG_DEBUG_FS_ALLOW_NONE is not set
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_HAVE_ARCH_KGDB_QXFER_PKT=y
# CONFIG_KGDB is not set
CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y
CONFIG_UBSAN=y
CONFIG_CC_HAS_UBSAN_BOUNDS=y
CONFIG_CC_HAS_UBSAN_ARRAY_BOUNDS=y
# CONFIG_UBSAN_BOUNDS is not set
# CONFIG_UBSAN_SHIFT is not set
# CONFIG_UBSAN_DIV_ZERO is not set
# CONFIG_UBSAN_UNREACHABLE is not set
# CONFIG_UBSAN_BOOL is not set
# CONFIG_UBSAN_ENUM is not set
# CONFIG_UBSAN_SANITIZE_ALL is not set
CONFIG_TEST_UBSAN=m
# end of Generic Kernel Debugging Instruments

#
# Networking Debugging
#
# CONFIG_NET_DEV_REFCNT_TRACKER is not set
# CONFIG_NET_NS_REFCNT_TRACKER is not set
# end of Networking Debugging

#
# Memory Debugging
#
CONFIG_PAGE_EXTENSION=y
# CONFIG_DEBUG_PAGEALLOC is not set
CONFIG_PAGE_OWNER=y
# CONFIG_PAGE_TABLE_CHECK is not set
CONFIG_PAGE_POISONING=y
# CONFIG_DEBUG_PAGE_REF is not set
# CONFIG_DEBUG_RODATA_TEST is not set
CONFIG_ARCH_HAS_DEBUG_WX=y
CONFIG_DEBUG_WX=y
CONFIG_GENERIC_PTDUMP=y
CONFIG_PTDUMP_CORE=y
# CONFIG_PTDUMP_DEBUGFS is not set
# CONFIG_DEBUG_OBJECTS is not set
CONFIG_HAVE_DEBUG_KMEMLEAK=y
# CONFIG_DEBUG_KMEMLEAK is not set
# CONFIG_DEBUG_STACK_USAGE is not set
CONFIG_SCHED_STACK_END_CHECK=y
CONFIG_ARCH_HAS_DEBUG_VM_PGTABLE=y
CONFIG_DEBUG_VM=y
# CONFIG_DEBUG_VM_VMACACHE is not set
# CONFIG_DEBUG_VM_RB is not set
# CONFIG_DEBUG_VM_PGFLAGS is not set
# CONFIG_DEBUG_VM_PGTABLE is not set
CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y
# CONFIG_DEBUG_VIRTUAL is not set
CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_PER_CPU_MAPS is not set
CONFIG_CC_HAS_KASAN_GENERIC=y
CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=y
# end of Memory Debugging

CONFIG_DEBUG_SHIRQ=y

#
# Debug Oops, Lockups and Hangs
#
# CONFIG_PANIC_ON_OOPS is not set
CONFIG_PANIC_ON_OOPS_VALUE=0
CONFIG_PANIC_TIMEOUT=0
CONFIG_LOCKUP_DETECTOR=y
CONFIG_SOFTLOCKUP_DETECTOR=y
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
CONFIG_WQ_WATCHDOG=y
# CONFIG_TEST_LOCKUP is not set
# end of Debug Oops, Lockups and Hangs

#
# Scheduler Debugging
#
# CONFIG_SCHED_DEBUG is not set
# CONFIG_SCHEDSTATS is not set
# end of Scheduler Debugging

# CONFIG_DEBUG_TIMEKEEPING is not set

#
# Lock Debugging (spinlocks, mutexes, etc...)
#
CONFIG_LOCK_DEBUGGING_SUPPORT=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RAW_LOCK_NESTING=y
CONFIG_LOCK_STAT=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y
CONFIG_DEBUG_RWSEMS=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_LOCKDEP=y
CONFIG_LOCKDEP_BITS=15
CONFIG_LOCKDEP_CHAINS_BITS=16
CONFIG_LOCKDEP_STACK_TRACE_BITS=19
CONFIG_LOCKDEP_STACK_TRACE_HASH_BITS=14
CONFIG_LOCKDEP_CIRCULAR_QUEUE_BITS=12
CONFIG_DEBUG_LOCKDEP=y
CONFIG_DEBUG_ATOMIC_SLEEP=y
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_LOCK_TORTURE_TEST is not set
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_SCF_TORTURE_TEST=y
# end of Lock Debugging (spinlocks, mutexes, etc...)

CONFIG_TRACE_IRQFLAGS=y
CONFIG_DEBUG_IRQFLAGS=y
CONFIG_STACKTRACE=y
CONFIG_WARN_ALL_UNSEEDED_RANDOM=y
# CONFIG_DEBUG_KOBJECT is not set

#
# Debug kernel data structures
#
CONFIG_DEBUG_LIST=y
# CONFIG_DEBUG_PLIST is not set
CONFIG_DEBUG_SG=y
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_BUG_ON_DATA_CORRUPTION is not set
# end of Debug kernel data structures

CONFIG_DEBUG_CREDENTIALS=y

#
# RCU Debugging
#
CONFIG_PROVE_RCU=y
CONFIG_PROVE_RCU_LIST=y
CONFIG_TORTURE_TEST=y
CONFIG_RCU_SCALE_TEST=y
CONFIG_RCU_TORTURE_TEST=y
CONFIG_RCU_REF_SCALE_TEST=m
CONFIG_RCU_CPU_STALL_TIMEOUT=21
CONFIG_RCU_EXP_CPU_STALL_TIMEOUT=0
# CONFIG_RCU_TRACE is not set
CONFIG_RCU_EQS_DEBUG=y
# end of RCU Debugging

CONFIG_DEBUG_WQ_FORCE_RR_CPU=y
CONFIG_CPU_HOTPLUG_STATE_CONTROL=y
# CONFIG_LATENCYTOP is not set
CONFIG_NOP_TRACER=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_TRACER_MAX_TRACE=y
CONFIG_TRACE_CLOCK=y
CONFIG_RING_BUFFER=y
CONFIG_EVENT_TRACING=y
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_RING_BUFFER_ALLOW_SWAP=y
CONFIG_PREEMPTIRQ_TRACEPOINTS=y
CONFIG_TRACING=y
CONFIG_GENERIC_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_BOOTTIME_TRACING is not set
CONFIG_IRQSOFF_TRACER=y
# CONFIG_SCHED_TRACER is not set
CONFIG_HWLAT_TRACER=y
# CONFIG_OSNOISE_TRACER is not set
# CONFIG_TIMERLAT_TRACER is not set
# CONFIG_FTRACE_SYSCALLS is not set
CONFIG_TRACER_SNAPSHOT=y
CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP=y
CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
CONFIG_BLK_DEV_IO_TRACE=y
# CONFIG_KPROBE_EVENTS is not set
CONFIG_DYNAMIC_EVENTS=y
CONFIG_SYNTH_EVENTS=y
# CONFIG_USER_EVENTS is not set
# CONFIG_TRACE_EVENT_INJECT is not set
CONFIG_TRACEPOINT_BENCHMARK=y
CONFIG_RING_BUFFER_BENCHMARK=m
CONFIG_TRACE_EVAL_MAP_FILE=y
CONFIG_GCOV_PROFILE_FTRACE=y
CONFIG_FTRACE_SELFTEST=y
CONFIG_FTRACE_STARTUP_TEST=y
CONFIG_EVENT_TRACE_STARTUP_TEST=y
CONFIG_EVENT_TRACE_TEST_SYSCALLS=y
# CONFIG_RING_BUFFER_STARTUP_TEST is not set
# CONFIG_RING_BUFFER_VALIDATE_TIME_DELTAS is not set
CONFIG_PREEMPTIRQ_DELAY_TEST=m
# CONFIG_SYNTH_EVENT_GEN_TEST is not set
# CONFIG_SAMPLES is not set

#
# riscv Debugging
#
# end of riscv Debugging

#
# Kernel Testing and Coverage
#
# CONFIG_KUNIT is not set
# CONFIG_NOTIFIER_ERROR_INJECTION is not set
CONFIG_FUNCTION_ERROR_INJECTION=y
CONFIG_FAULT_INJECTION=y
# CONFIG_FAIL_PAGE_ALLOC is not set
CONFIG_FAULT_INJECTION_USERCOPY=y
# CONFIG_FAIL_MAKE_REQUEST is not set
CONFIG_FAIL_IO_TIMEOUT=y
# CONFIG_FAIL_FUTEX is not set
CONFIG_FAULT_INJECTION_DEBUG_FS=y
# CONFIG_FAIL_FUNCTION is not set
CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
CONFIG_ARCH_HAS_KCOV=y
CONFIG_CC_HAS_SANCOV_TRACE_PC=y
# CONFIG_KCOV is not set
# CONFIG_RUNTIME_TESTING_MENU is not set
CONFIG_ARCH_USE_MEMTEST=y
# CONFIG_MEMTEST is not set
# end of Kernel Testing and Coverage

CONFIG_WARN_MISSING_DOCUMENTS=y
CONFIG_WARN_ABI_ERRORS=y
# end of Kernel hacking

Re: [PATCH v2 03/28] cxl/acpi: Track CXL resources in iomem_resource

[Greg Kroah-Hartman]

On Thu, Jul 14, 2022 at 05:00:59PM -0700, Dan Williams wrote:
> Recall that CXL capable address ranges, on ACPI platforms, are published
> in the CEDT.CFMWS (CXL Early Discovery Table: CXL Fixed Memory Window
> Structures). These windows represent both the actively mapped capacity
> and the potential address space that can be dynamically assigned to a
> new CXL decode configuration (region / interleave-set).
> 
> CXL endpoints like DDR DIMMs can be mapped at any physical address
> including 0 and legacy ranges.
> 
> There is an expectation and requirement that the /proc/iomem interface
> and the iomem_resource tree in the kernel reflect the full set of
> platform address ranges. I.e. that every address range that platform
> firmware and bus drivers enumerate be reflected as an iomem_resource
> entry. The hard requirement to do this for CXL arises from the fact that
> facilities like CONFIG_DEVICE_PRIVATE expect to be able to treat empty
> iomem_resource ranges as free for software to use as proxy address
> space. Without CXL publishing its potential address ranges in
> iomem_resource, the CONFIG_DEVICE_PRIVATE mechanism may inadvertently
> steal capacity reserved for runtime provisioning of new CXL regions.
> 
> So, iomem_resource needs to know about both active and potential CXL
> resource ranges. The active CXL resources might already be reflected in
> iomem_resource as "System RAM". insert_resource_expand_to_fit() handles
> re-parenting "System RAM" underneath a CXL window.
> 
> The "_expand_to_fit()" behavior handles cases where a CXL window is not
> a strict superset of an existing entry in the iomem_resource tree. The
> "_expand_to_fit()" behavior is acceptable from the perspective of
> resource allocation. The expansion happens because a conflicting
> resource range is already populated, which means the resource boundary
> expansion does not result in any additional free CXL address space being
> made available. CXL address space allocation is always bounded by the
> orginal unexpanded address range.
> 
> However, the potential for expansion does mean that something like
> walk_iomem_res_desc(IORES_DESC_CXL...) can only return fuzzy answers on
> corner case platforms that cause the resource tree to expand a CXL
> window resource over a range that is not decoded by CXL. This would be
> an odd platform configuration, but if it becomes a problem in practice
> the CXL subsytem could just publish an API that returns definitive
> answers.
> 
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Jason Gunthorpe <jgg@nvidia.com>
> Cc: Tony Luck <tony.luck@intel.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>


Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Re: [PATCH v2 21/28] cxl/region: Enable the assignment of endpoint decoders to regions

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 11860 bytes --]

CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
In-Reply-To: <165784336184.1758207.16403282029203949622.stgit@dwillia2-xfh.jf.intel.com>
References: <165784336184.1758207.16403282029203949622.stgit@dwillia2-xfh.jf.intel.com>
TO: Dan Williams <dan.j.williams@intel.com>

Hi Dan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on b060edfd8cdd52bc8648392500bf152a8dd6d4c5]

url:    https://github.com/intel-lab-lkp/linux/commits/Dan-Williams/CXL-PMEM-Region-Provisioning/20220715-080748
base:   b060edfd8cdd52bc8648392500bf152a8dd6d4c5
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220717/202207170330.t0wEfL2u-lkp(a)intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/cxl/core/hdm.c:342 cxl_dpa_free() error: uninitialized symbol 'rc'.
drivers/cxl/core/hdm.c:459 cxl_dpa_alloc() error: uninitialized symbol 'rc'.

vim +/rc +342 drivers/cxl/core/hdm.c

5ccc075e8e0da0 Dan Williams 2022-07-14  310  
5ccc075e8e0da0 Dan Williams 2022-07-14  311  int cxl_dpa_free(struct cxl_endpoint_decoder *cxled)
5ccc075e8e0da0 Dan Williams 2022-07-14  312  {
5ccc075e8e0da0 Dan Williams 2022-07-14  313  	struct cxl_port *port = cxled_to_port(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  314  	struct device *dev = &cxled->cxld.dev;
5ccc075e8e0da0 Dan Williams 2022-07-14  315  	int rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  316  
5ccc075e8e0da0 Dan Williams 2022-07-14  317  	down_write(&cxl_dpa_rwsem);
5ccc075e8e0da0 Dan Williams 2022-07-14  318  	if (!cxled->dpa_res) {
5ccc075e8e0da0 Dan Williams 2022-07-14  319  		rc = 0;
5ccc075e8e0da0 Dan Williams 2022-07-14  320  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  321  	}
e8f8f1fa762fad Dan Williams 2022-07-14  322  	if (cxled->cxld.region) {
e8f8f1fa762fad Dan Williams 2022-07-14  323  		dev_dbg(dev, "decoder assigned to: %s\n",
e8f8f1fa762fad Dan Williams 2022-07-14  324  			dev_name(&cxled->cxld.region->dev));
e8f8f1fa762fad Dan Williams 2022-07-14  325  		goto out;
e8f8f1fa762fad Dan Williams 2022-07-14  326  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  327  	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
5ccc075e8e0da0 Dan Williams 2022-07-14  328  		dev_dbg(dev, "decoder enabled\n");
5ccc075e8e0da0 Dan Williams 2022-07-14  329  		rc = -EBUSY;
5ccc075e8e0da0 Dan Williams 2022-07-14  330  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  331  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  332  	if (cxled->cxld.id != port->hdm_end) {
5ccc075e8e0da0 Dan Williams 2022-07-14  333  		dev_dbg(dev, "expected decoder%d.%d\n", port->id,
5ccc075e8e0da0 Dan Williams 2022-07-14  334  			port->hdm_end);
5ccc075e8e0da0 Dan Williams 2022-07-14  335  		rc = -EBUSY;
5ccc075e8e0da0 Dan Williams 2022-07-14  336  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  337  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  338  	devm_cxl_dpa_release(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  339  	rc = 0;
5ccc075e8e0da0 Dan Williams 2022-07-14  340  out:
5ccc075e8e0da0 Dan Williams 2022-07-14  341  	up_write(&cxl_dpa_rwsem);
5ccc075e8e0da0 Dan Williams 2022-07-14 @342  	return rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  343  }
5ccc075e8e0da0 Dan Williams 2022-07-14  344  
5ccc075e8e0da0 Dan Williams 2022-07-14  345  int cxl_dpa_set_mode(struct cxl_endpoint_decoder *cxled,
5ccc075e8e0da0 Dan Williams 2022-07-14  346  		     enum cxl_decoder_mode mode)
5ccc075e8e0da0 Dan Williams 2022-07-14  347  {
5ccc075e8e0da0 Dan Williams 2022-07-14  348  	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  349  	struct cxl_dev_state *cxlds = cxlmd->cxlds;
5ccc075e8e0da0 Dan Williams 2022-07-14  350  	struct device *dev = &cxled->cxld.dev;
5ccc075e8e0da0 Dan Williams 2022-07-14  351  	int rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  352  
5ccc075e8e0da0 Dan Williams 2022-07-14  353  	switch (mode) {
5ccc075e8e0da0 Dan Williams 2022-07-14  354  	case CXL_DECODER_RAM:
5ccc075e8e0da0 Dan Williams 2022-07-14  355  	case CXL_DECODER_PMEM:
5ccc075e8e0da0 Dan Williams 2022-07-14  356  		break;
5ccc075e8e0da0 Dan Williams 2022-07-14  357  	default:
5ccc075e8e0da0 Dan Williams 2022-07-14  358  		dev_dbg(dev, "unsupported mode: %d\n", mode);
5ccc075e8e0da0 Dan Williams 2022-07-14  359  		return -EINVAL;
5ccc075e8e0da0 Dan Williams 2022-07-14  360  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  361  
5ccc075e8e0da0 Dan Williams 2022-07-14  362  	down_write(&cxl_dpa_rwsem);
5ccc075e8e0da0 Dan Williams 2022-07-14  363  	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
5ccc075e8e0da0 Dan Williams 2022-07-14  364  		rc = -EBUSY;
5ccc075e8e0da0 Dan Williams 2022-07-14  365  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  366  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  367  
5ccc075e8e0da0 Dan Williams 2022-07-14  368  	/*
5ccc075e8e0da0 Dan Williams 2022-07-14  369  	 * Only allow modes that are supported by the current partition
5ccc075e8e0da0 Dan Williams 2022-07-14  370  	 * configuration
5ccc075e8e0da0 Dan Williams 2022-07-14  371  	 */
5ccc075e8e0da0 Dan Williams 2022-07-14  372  	if (mode == CXL_DECODER_PMEM && !resource_size(&cxlds->pmem_res)) {
5ccc075e8e0da0 Dan Williams 2022-07-14  373  		dev_dbg(dev, "no available pmem capacity\n");
5ccc075e8e0da0 Dan Williams 2022-07-14  374  		rc = -ENXIO;
5ccc075e8e0da0 Dan Williams 2022-07-14  375  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  376  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  377  	if (mode == CXL_DECODER_RAM && !resource_size(&cxlds->ram_res)) {
5ccc075e8e0da0 Dan Williams 2022-07-14  378  		dev_dbg(dev, "no available ram capacity\n");
5ccc075e8e0da0 Dan Williams 2022-07-14  379  		rc = -ENXIO;
5ccc075e8e0da0 Dan Williams 2022-07-14  380  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  381  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  382  
5ccc075e8e0da0 Dan Williams 2022-07-14  383  	cxled->mode = mode;
5ccc075e8e0da0 Dan Williams 2022-07-14  384  	rc = 0;
5ccc075e8e0da0 Dan Williams 2022-07-14  385  out:
5ccc075e8e0da0 Dan Williams 2022-07-14  386  	up_write(&cxl_dpa_rwsem);
5ccc075e8e0da0 Dan Williams 2022-07-14  387  
5ccc075e8e0da0 Dan Williams 2022-07-14  388  	return rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  389  }
5ccc075e8e0da0 Dan Williams 2022-07-14  390  
5ccc075e8e0da0 Dan Williams 2022-07-14  391  int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size)
5ccc075e8e0da0 Dan Williams 2022-07-14  392  {
5ccc075e8e0da0 Dan Williams 2022-07-14  393  	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  394  	resource_size_t free_ram_start, free_pmem_start;
5ccc075e8e0da0 Dan Williams 2022-07-14  395  	struct cxl_port *port = cxled_to_port(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  396  	struct cxl_dev_state *cxlds = cxlmd->cxlds;
5ccc075e8e0da0 Dan Williams 2022-07-14  397  	struct device *dev = &cxled->cxld.dev;
5ccc075e8e0da0 Dan Williams 2022-07-14  398  	resource_size_t start, avail, skip;
5ccc075e8e0da0 Dan Williams 2022-07-14  399  	struct resource *p, *last;
5ccc075e8e0da0 Dan Williams 2022-07-14  400  	int rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  401  
5ccc075e8e0da0 Dan Williams 2022-07-14  402  	down_write(&cxl_dpa_rwsem);
e8f8f1fa762fad Dan Williams 2022-07-14  403  	if (cxled->cxld.region) {
e8f8f1fa762fad Dan Williams 2022-07-14  404  		dev_dbg(dev, "decoder attached to %s\n",
e8f8f1fa762fad Dan Williams 2022-07-14  405  			dev_name(&cxled->cxld.region->dev));
e8f8f1fa762fad Dan Williams 2022-07-14  406  		goto out;
e8f8f1fa762fad Dan Williams 2022-07-14  407  	}
e8f8f1fa762fad Dan Williams 2022-07-14  408  
5ccc075e8e0da0 Dan Williams 2022-07-14  409  	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
5ccc075e8e0da0 Dan Williams 2022-07-14  410  		dev_dbg(dev, "decoder enabled\n");
5ccc075e8e0da0 Dan Williams 2022-07-14  411  		rc = -EBUSY;
5ccc075e8e0da0 Dan Williams 2022-07-14  412  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  413  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  414  
5ccc075e8e0da0 Dan Williams 2022-07-14  415  	for (p = cxlds->ram_res.child, last = NULL; p; p = p->sibling)
5ccc075e8e0da0 Dan Williams 2022-07-14  416  		last = p;
5ccc075e8e0da0 Dan Williams 2022-07-14  417  	if (last)
5ccc075e8e0da0 Dan Williams 2022-07-14  418  		free_ram_start = last->end + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  419  	else
5ccc075e8e0da0 Dan Williams 2022-07-14  420  		free_ram_start = cxlds->ram_res.start;
5ccc075e8e0da0 Dan Williams 2022-07-14  421  
5ccc075e8e0da0 Dan Williams 2022-07-14  422  	for (p = cxlds->pmem_res.child, last = NULL; p; p = p->sibling)
5ccc075e8e0da0 Dan Williams 2022-07-14  423  		last = p;
5ccc075e8e0da0 Dan Williams 2022-07-14  424  	if (last)
5ccc075e8e0da0 Dan Williams 2022-07-14  425  		free_pmem_start = last->end + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  426  	else
5ccc075e8e0da0 Dan Williams 2022-07-14  427  		free_pmem_start = cxlds->pmem_res.start;
5ccc075e8e0da0 Dan Williams 2022-07-14  428  
5ccc075e8e0da0 Dan Williams 2022-07-14  429  	if (cxled->mode == CXL_DECODER_RAM) {
5ccc075e8e0da0 Dan Williams 2022-07-14  430  		start = free_ram_start;
5ccc075e8e0da0 Dan Williams 2022-07-14  431  		avail = cxlds->ram_res.end - start + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  432  		skip = 0;
5ccc075e8e0da0 Dan Williams 2022-07-14  433  	} else if (cxled->mode == CXL_DECODER_PMEM) {
5ccc075e8e0da0 Dan Williams 2022-07-14  434  		resource_size_t skip_start, skip_end;
5ccc075e8e0da0 Dan Williams 2022-07-14  435  
5ccc075e8e0da0 Dan Williams 2022-07-14  436  		start = free_pmem_start;
5ccc075e8e0da0 Dan Williams 2022-07-14  437  		avail = cxlds->pmem_res.end - start + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  438  		skip_start = free_ram_start;
5ccc075e8e0da0 Dan Williams 2022-07-14  439  		skip_end = start - 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  440  		skip = skip_end - skip_start + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  441  	} else {
5ccc075e8e0da0 Dan Williams 2022-07-14  442  		dev_dbg(dev, "mode not set\n");
5ccc075e8e0da0 Dan Williams 2022-07-14  443  		rc = -EINVAL;
5ccc075e8e0da0 Dan Williams 2022-07-14  444  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  445  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  446  
5ccc075e8e0da0 Dan Williams 2022-07-14  447  	if (size > avail) {
5ccc075e8e0da0 Dan Williams 2022-07-14  448  		dev_dbg(dev, "%pa exceeds available %s capacity: %pa\n", &size,
5ccc075e8e0da0 Dan Williams 2022-07-14  449  			cxled->mode == CXL_DECODER_RAM ? "ram" : "pmem",
5ccc075e8e0da0 Dan Williams 2022-07-14  450  			&avail);
5ccc075e8e0da0 Dan Williams 2022-07-14  451  		rc = -ENOSPC;
5ccc075e8e0da0 Dan Williams 2022-07-14  452  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  453  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  454  
5ccc075e8e0da0 Dan Williams 2022-07-14  455  	rc = __cxl_dpa_reserve(cxled, start, size, skip);
5ccc075e8e0da0 Dan Williams 2022-07-14  456  out:
5ccc075e8e0da0 Dan Williams 2022-07-14  457  	up_write(&cxl_dpa_rwsem);
5ccc075e8e0da0 Dan Williams 2022-07-14  458  
5ccc075e8e0da0 Dan Williams 2022-07-14 @459  	if (rc)
5ccc075e8e0da0 Dan Williams 2022-07-14  460  		return rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  461  
5ccc075e8e0da0 Dan Williams 2022-07-14  462  	return devm_add_action_or_reset(&port->dev, cxl_dpa_release, cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  463  }
5ccc075e8e0da0 Dan Williams 2022-07-14  464  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

Re: [PATCH v2 21/28] cxl/region: Enable the assignment of endpoint decoders to regions

[Dan Carpenter]

[-- Attachment #1: Type: text/plain, Size: 8210 bytes --]

Hi Dan,

url:    https://github.com/intel-lab-lkp/linux/commits/Dan-Williams/CXL-PMEM-Region-Provisioning/20220715-080748
base:   b060edfd8cdd52bc8648392500bf152a8dd6d4c5
config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220717/202207170330.t0wEfL2u-lkp(a)intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/cxl/core/hdm.c:342 cxl_dpa_free() error: uninitialized symbol 'rc'.
drivers/cxl/core/hdm.c:459 cxl_dpa_alloc() error: uninitialized symbol 'rc'.

vim +/rc +342 drivers/cxl/core/hdm.c

5ccc075e8e0da0 Dan Williams 2022-07-14  311  int cxl_dpa_free(struct cxl_endpoint_decoder *cxled)
5ccc075e8e0da0 Dan Williams 2022-07-14  312  {
5ccc075e8e0da0 Dan Williams 2022-07-14  313  	struct cxl_port *port = cxled_to_port(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  314  	struct device *dev = &cxled->cxld.dev;
5ccc075e8e0da0 Dan Williams 2022-07-14  315  	int rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  316  
5ccc075e8e0da0 Dan Williams 2022-07-14  317  	down_write(&cxl_dpa_rwsem);
5ccc075e8e0da0 Dan Williams 2022-07-14  318  	if (!cxled->dpa_res) {
5ccc075e8e0da0 Dan Williams 2022-07-14  319  		rc = 0;
5ccc075e8e0da0 Dan Williams 2022-07-14  320  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  321  	}
e8f8f1fa762fad Dan Williams 2022-07-14  322  	if (cxled->cxld.region) {
e8f8f1fa762fad Dan Williams 2022-07-14  323  		dev_dbg(dev, "decoder assigned to: %s\n",
e8f8f1fa762fad Dan Williams 2022-07-14  324  			dev_name(&cxled->cxld.region->dev));

rc = ?

e8f8f1fa762fad Dan Williams 2022-07-14  325  		goto out;
e8f8f1fa762fad Dan Williams 2022-07-14  326  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  327  	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
5ccc075e8e0da0 Dan Williams 2022-07-14  328  		dev_dbg(dev, "decoder enabled\n");
5ccc075e8e0da0 Dan Williams 2022-07-14  329  		rc = -EBUSY;
5ccc075e8e0da0 Dan Williams 2022-07-14  330  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  331  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  332  	if (cxled->cxld.id != port->hdm_end) {
5ccc075e8e0da0 Dan Williams 2022-07-14  333  		dev_dbg(dev, "expected decoder%d.%d\n", port->id,
5ccc075e8e0da0 Dan Williams 2022-07-14  334  			port->hdm_end);
5ccc075e8e0da0 Dan Williams 2022-07-14  335  		rc = -EBUSY;
5ccc075e8e0da0 Dan Williams 2022-07-14  336  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  337  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  338  	devm_cxl_dpa_release(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  339  	rc = 0;
5ccc075e8e0da0 Dan Williams 2022-07-14  340  out:
5ccc075e8e0da0 Dan Williams 2022-07-14  341  	up_write(&cxl_dpa_rwsem);
5ccc075e8e0da0 Dan Williams 2022-07-14 @342  	return rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  343  }

[ snip ]

5ccc075e8e0da0 Dan Williams 2022-07-14  391  int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size)
5ccc075e8e0da0 Dan Williams 2022-07-14  392  {
5ccc075e8e0da0 Dan Williams 2022-07-14  393  	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  394  	resource_size_t free_ram_start, free_pmem_start;
5ccc075e8e0da0 Dan Williams 2022-07-14  395  	struct cxl_port *port = cxled_to_port(cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  396  	struct cxl_dev_state *cxlds = cxlmd->cxlds;
5ccc075e8e0da0 Dan Williams 2022-07-14  397  	struct device *dev = &cxled->cxld.dev;
5ccc075e8e0da0 Dan Williams 2022-07-14  398  	resource_size_t start, avail, skip;
5ccc075e8e0da0 Dan Williams 2022-07-14  399  	struct resource *p, *last;
5ccc075e8e0da0 Dan Williams 2022-07-14  400  	int rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  401  
5ccc075e8e0da0 Dan Williams 2022-07-14  402  	down_write(&cxl_dpa_rwsem);
e8f8f1fa762fad Dan Williams 2022-07-14  403  	if (cxled->cxld.region) {
e8f8f1fa762fad Dan Williams 2022-07-14  404  		dev_dbg(dev, "decoder attached to %s\n",
e8f8f1fa762fad Dan Williams 2022-07-14  405  			dev_name(&cxled->cxld.region->dev));

rc = ?

e8f8f1fa762fad Dan Williams 2022-07-14  406  		goto out;
e8f8f1fa762fad Dan Williams 2022-07-14  407  	}
e8f8f1fa762fad Dan Williams 2022-07-14  408  
5ccc075e8e0da0 Dan Williams 2022-07-14  409  	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {
5ccc075e8e0da0 Dan Williams 2022-07-14  410  		dev_dbg(dev, "decoder enabled\n");
5ccc075e8e0da0 Dan Williams 2022-07-14  411  		rc = -EBUSY;
5ccc075e8e0da0 Dan Williams 2022-07-14  412  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  413  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  414  
5ccc075e8e0da0 Dan Williams 2022-07-14  415  	for (p = cxlds->ram_res.child, last = NULL; p; p = p->sibling)
5ccc075e8e0da0 Dan Williams 2022-07-14  416  		last = p;
5ccc075e8e0da0 Dan Williams 2022-07-14  417  	if (last)
5ccc075e8e0da0 Dan Williams 2022-07-14  418  		free_ram_start = last->end + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  419  	else
5ccc075e8e0da0 Dan Williams 2022-07-14  420  		free_ram_start = cxlds->ram_res.start;
5ccc075e8e0da0 Dan Williams 2022-07-14  421  
5ccc075e8e0da0 Dan Williams 2022-07-14  422  	for (p = cxlds->pmem_res.child, last = NULL; p; p = p->sibling)
5ccc075e8e0da0 Dan Williams 2022-07-14  423  		last = p;
5ccc075e8e0da0 Dan Williams 2022-07-14  424  	if (last)
5ccc075e8e0da0 Dan Williams 2022-07-14  425  		free_pmem_start = last->end + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  426  	else
5ccc075e8e0da0 Dan Williams 2022-07-14  427  		free_pmem_start = cxlds->pmem_res.start;
5ccc075e8e0da0 Dan Williams 2022-07-14  428  
5ccc075e8e0da0 Dan Williams 2022-07-14  429  	if (cxled->mode == CXL_DECODER_RAM) {
5ccc075e8e0da0 Dan Williams 2022-07-14  430  		start = free_ram_start;
5ccc075e8e0da0 Dan Williams 2022-07-14  431  		avail = cxlds->ram_res.end - start + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  432  		skip = 0;
5ccc075e8e0da0 Dan Williams 2022-07-14  433  	} else if (cxled->mode == CXL_DECODER_PMEM) {
5ccc075e8e0da0 Dan Williams 2022-07-14  434  		resource_size_t skip_start, skip_end;
5ccc075e8e0da0 Dan Williams 2022-07-14  435  
5ccc075e8e0da0 Dan Williams 2022-07-14  436  		start = free_pmem_start;
5ccc075e8e0da0 Dan Williams 2022-07-14  437  		avail = cxlds->pmem_res.end - start + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  438  		skip_start = free_ram_start;
5ccc075e8e0da0 Dan Williams 2022-07-14  439  		skip_end = start - 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  440  		skip = skip_end - skip_start + 1;
5ccc075e8e0da0 Dan Williams 2022-07-14  441  	} else {
5ccc075e8e0da0 Dan Williams 2022-07-14  442  		dev_dbg(dev, "mode not set\n");
5ccc075e8e0da0 Dan Williams 2022-07-14  443  		rc = -EINVAL;
5ccc075e8e0da0 Dan Williams 2022-07-14  444  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  445  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  446  
5ccc075e8e0da0 Dan Williams 2022-07-14  447  	if (size > avail) {
5ccc075e8e0da0 Dan Williams 2022-07-14  448  		dev_dbg(dev, "%pa exceeds available %s capacity: %pa\n", &size,
5ccc075e8e0da0 Dan Williams 2022-07-14  449  			cxled->mode == CXL_DECODER_RAM ? "ram" : "pmem",
5ccc075e8e0da0 Dan Williams 2022-07-14  450  			&avail);
5ccc075e8e0da0 Dan Williams 2022-07-14  451  		rc = -ENOSPC;
5ccc075e8e0da0 Dan Williams 2022-07-14  452  		goto out;
5ccc075e8e0da0 Dan Williams 2022-07-14  453  	}
5ccc075e8e0da0 Dan Williams 2022-07-14  454  
5ccc075e8e0da0 Dan Williams 2022-07-14  455  	rc = __cxl_dpa_reserve(cxled, start, size, skip);
5ccc075e8e0da0 Dan Williams 2022-07-14  456  out:
5ccc075e8e0da0 Dan Williams 2022-07-14  457  	up_write(&cxl_dpa_rwsem);
5ccc075e8e0da0 Dan Williams 2022-07-14  458  
5ccc075e8e0da0 Dan Williams 2022-07-14 @459  	if (rc)
5ccc075e8e0da0 Dan Williams 2022-07-14  460  		return rc;
5ccc075e8e0da0 Dan Williams 2022-07-14  461  
5ccc075e8e0da0 Dan Williams 2022-07-14  462  	return devm_add_action_or_reset(&port->dev, cxl_dpa_release, cxled);
5ccc075e8e0da0 Dan Williams 2022-07-14  463  }

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

Re: [PATCH v2 01/28] Documentation/cxl: Use a double line break between entries

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:00:47 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Make it easier to read delineations between the "Description" line
> break, new paragraph line breaks, and new entries.
> 
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

I'm not that fussed either way on this (indentation was enough for my
brain), but this is at least consistent and I can't see it breaking
the docs build or similar.  Just hope no one decides this is a 'fix' they
want to propagate to all the other ABI docs!

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  Documentation/ABI/testing/sysfs-bus-cxl |   15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
> index 1fd5984b6158..16d9ffa94bbd 100644
> --- a/Documentation/ABI/testing/sysfs-bus-cxl
> +++ b/Documentation/ABI/testing/sysfs-bus-cxl
> @@ -7,6 +7,7 @@ Description:
>  		all descendant memdevs for unbind. Writing '1' to this attribute
>  		flushes that work.
>  
> +
>  What:		/sys/bus/cxl/devices/memX/firmware_version
>  Date:		December, 2020
>  KernelVersion:	v5.12
> @@ -16,6 +17,7 @@ Description:
>  		Memory Device Output Payload in the CXL-2.0
>  		specification.
>  
> +
>  What:		/sys/bus/cxl/devices/memX/ram/size
>  Date:		December, 2020
>  KernelVersion:	v5.12
> @@ -25,6 +27,7 @@ Description:
>  		identically named field in the Identify Memory Device Output
>  		Payload in the CXL-2.0 specification.
>  
> +
>  What:		/sys/bus/cxl/devices/memX/pmem/size
>  Date:		December, 2020
>  KernelVersion:	v5.12
> @@ -34,6 +37,7 @@ Description:
>  		identically named field in the Identify Memory Device Output
>  		Payload in the CXL-2.0 specification.
>  
> +
>  What:		/sys/bus/cxl/devices/memX/serial
>  Date:		January, 2022
>  KernelVersion:	v5.18
> @@ -43,6 +47,7 @@ Description:
>  		capability. Mandatory for CXL devices, see CXL 2.0 8.1.12.2
>  		Memory Device PCIe Capabilities and Extended Capabilities.
>  
> +
>  What:		/sys/bus/cxl/devices/memX/numa_node
>  Date:		January, 2022
>  KernelVersion:	v5.18
> @@ -52,6 +57,7 @@ Description:
>  		host PCI device for this memory device, emit the CPU node
>  		affinity for this device.
>  
> +
>  What:		/sys/bus/cxl/devices/*/devtype
>  Date:		June, 2021
>  KernelVersion:	v5.14
> @@ -61,6 +67,7 @@ Description:
>  		mirrors the same value communicated in the DEVTYPE environment
>  		variable for uevents for devices on the "cxl" bus.
>  
> +
>  What:		/sys/bus/cxl/devices/*/modalias
>  Date:		December, 2021
>  KernelVersion:	v5.18
> @@ -70,6 +77,7 @@ Description:
>  		mirrors the same value communicated in the MODALIAS environment
>  		variable for uevents for devices on the "cxl" bus.
>  
> +
>  What:		/sys/bus/cxl/devices/portX/uport
>  Date:		June, 2021
>  KernelVersion:	v5.14
> @@ -81,6 +89,7 @@ Description:
>  		the CXL portX object to the device that published the CXL port
>  		capability.
>  
> +
>  What:		/sys/bus/cxl/devices/portX/dportY
>  Date:		June, 2021
>  KernelVersion:	v5.14
> @@ -94,6 +103,7 @@ Description:
>  		integer reflects the hardware port unique-id used in the
>  		hardware decoder target list.
>  
> +
>  What:		/sys/bus/cxl/devices/decoderX.Y
>  Date:		June, 2021
>  KernelVersion:	v5.14
> @@ -106,6 +116,7 @@ Description:
>  		cxl_port container of this decoder, and 'Y' represents the
>  		instance id of a given decoder resource.
>  
> +
>  What:		/sys/bus/cxl/devices/decoderX.Y/{start,size}
>  Date:		June, 2021
>  KernelVersion:	v5.14
> @@ -120,6 +131,7 @@ Description:
>  		and dynamically updates based on the active memory regions in
>  		that address space.
>  
> +
>  What:		/sys/bus/cxl/devices/decoderX.Y/locked
>  Date:		June, 2021
>  KernelVersion:	v5.14
> @@ -132,6 +144,7 @@ Description:
>  		secondary bus reset, of the PCIe bridge that provides the bus
>  		for this decoders uport, unlocks / resets the decoder.
>  
> +
>  What:		/sys/bus/cxl/devices/decoderX.Y/target_list
>  Date:		June, 2021
>  KernelVersion:	v5.14
> @@ -142,6 +155,7 @@ Description:
>  		configured interleave order of the decoder's dport instances.
>  		Each entry in the list is a dport id.
>  
> +
>  What:		/sys/bus/cxl/devices/decoderX.Y/cap_{pmem,ram,type2,type3}
>  Date:		June, 2021
>  KernelVersion:	v5.14
> @@ -154,6 +168,7 @@ Description:
>  		memory, volatile memory, accelerator memory, and / or expander
>  		memory may be mapped behind this decoder's memory window.
>  
> +
>  What:		/sys/bus/cxl/devices/decoderX.Y/target_type
>  Date:		June, 2021
>  KernelVersion:	v5.14
> 

Re: [PATCH v2 02/28] cxl/core: Define a 'struct cxl_switch_decoder'

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:00:53 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Currently 'struct cxl_decoder' contains the superset of attributes
> needed for all decoder types. Before more type-specific attributes are
> added to the common definition, reorganize 'struct cxl_decoder' into type
> specific objects.
> 
> This patch, the first of three, factors out a cxl_switch_decoder type.
> See the new kdoc for what a 'struct cxl_switch_decoder' represents in a
> CXL topology.
> 
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 03/28] cxl/acpi: Track CXL resources in iomem_resource

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:00:59 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Recall that CXL capable address ranges, on ACPI platforms, are published
> in the CEDT.CFMWS (CXL Early Discovery Table: CXL Fixed Memory Window
> Structures). These windows represent both the actively mapped capacity
> and the potential address space that can be dynamically assigned to a
> new CXL decode configuration (region / interleave-set).
> 
> CXL endpoints like DDR DIMMs can be mapped at any physical address
> including 0 and legacy ranges.
> 
> There is an expectation and requirement that the /proc/iomem interface
> and the iomem_resource tree in the kernel reflect the full set of
> platform address ranges. I.e. that every address range that platform
> firmware and bus drivers enumerate be reflected as an iomem_resource
> entry. The hard requirement to do this for CXL arises from the fact that
> facilities like CONFIG_DEVICE_PRIVATE expect to be able to treat empty
> iomem_resource ranges as free for software to use as proxy address
> space. Without CXL publishing its potential address ranges in
> iomem_resource, the CONFIG_DEVICE_PRIVATE mechanism may inadvertently
> steal capacity reserved for runtime provisioning of new CXL regions.
> 
> So, iomem_resource needs to know about both active and potential CXL
> resource ranges. The active CXL resources might already be reflected in
> iomem_resource as "System RAM". insert_resource_expand_to_fit() handles
> re-parenting "System RAM" underneath a CXL window.
> 
> The "_expand_to_fit()" behavior handles cases where a CXL window is not
> a strict superset of an existing entry in the iomem_resource tree. The
> "_expand_to_fit()" behavior is acceptable from the perspective of
> resource allocation. The expansion happens because a conflicting
> resource range is already populated, which means the resource boundary
> expansion does not result in any additional free CXL address space being
> made available. CXL address space allocation is always bounded by the
> orginal unexpanded address range.
> 
> However, the potential for expansion does mean that something like
> walk_iomem_res_desc(IORES_DESC_CXL...) can only return fuzzy answers on
> corner case platforms that cause the resource tree to expand a CXL
> window resource over a range that is not decoded by CXL. This would be
> an odd platform configuration, but if it becomes a problem in practice
> the CXL subsytem could just publish an API that returns definitive
> answers.
> 
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Jason Gunthorpe <jgg@nvidia.com>
> Cc: Tony Luck <tony.luck@intel.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

I wish this was a bit simpler, (particularly the complex relationship
between the places res is added vs single cleanup location) but having
stared at it for a while I can't figure out a way that works.. *defeated*
:)
 

Re: [PATCH v2 04/28] cxl/core: Define a 'struct cxl_root_decoder'

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:01:05 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Previously the target routing specifics of switch decoders were factored
> out of 'struct cxl_decoder' into 'struct cxl_switch_decoder'.
> 
> This patch, 2 of 3, adds a 'struct cxl_root_decoder' as a superset of a
> switch decoder that also track the associated CXL window platform
> resource.
> 
> Note that the reason the resource for a given root decoder needs to be
> looked up after the fact (i.e. after cxl_parse_cfmws() and
> add_cxl_resource()) is because add_cxl_resource() may have merged CXL
> windows in order to keep them at the top of the resource tree / decode
> hierarchy.
> 
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 05/28] cxl/core: Define a 'struct cxl_endpoint_decoder'

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:01:10 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Previously the target routing specifics of switch decoders and platform
> CXL window resource tracking of root decoders were factored out of
> 'struct cxl_decoder'. While switch decoders translate from SPA to
> downstream ports, endpoint decoders translate from SPA to DPA.
> 
> This patch, 3 of 3, adds a 'struct cxl_endpoint_decoder' that tracks an
> endpoint-specific Device Physical Address (DPA) resource. For now this
> just defines ->dpa_res, a follow-on patch will handle requesting DPA
> resource ranges from a device-DPA resource tree.
> 
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 06/28] cxl/hdm: Enumerate allocated DPA

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:01:16 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> In preparation for provisioning CXL regions, add accounting for the DPA
> space consumed by existing regions / decoders. Recall, a CXL region is a
> memory range comprised from one or more endpoint devices contributing a
> mapping of their DPA into HPA space through a decoder.
> 
> Record the DPA ranges covered by committed decoders at initial probe of
> endpoint ports relative to a per-device resource tree of the DPA type
> (pmem or volatile-ram).
> 
> The cxl_dpa_rwsem semaphore is introduced to globally synchronize DPA
> state across all endpoints and their decoders at once. The vast majority
> of DPA operations are reads as region creation is expected to be as rare
> as disk partitioning and volume creation. The device_lock() for this
> synchronization is specifically avoided for concern of entangling with
> sysfs attribute removal.
> 
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 

One trivial ordering question inline. I'm not that bothered whether you
do anything about it though as it's all very local.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  drivers/cxl/core/hdm.c |  143 ++++++++++++++++++++++++++++++++++++++++++++----
>  drivers/cxl/cxl.h      |    2 +
>  drivers/cxl/cxlmem.h   |   13 ++++
>  3 files changed, 147 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
> index 650363d5272f..d4c17325001b 100644
> --- a/drivers/cxl/core/hdm.c
> +++ b/drivers/cxl/core/hdm.c
> @@ -153,10 +153,105 @@ void cxl_dpa_debug(struct seq_file *file, struct cxl_dev_state *cxlds)
>  }
>  EXPORT_SYMBOL_NS_GPL(cxl_dpa_debug, CXL);
>  
> +/*
> + * Must be called in a context that synchronizes against this decoder's
> + * port ->remove() callback (like an endpoint decoder sysfs attribute)
> + */
> +static void __cxl_dpa_release(struct cxl_endpoint_decoder *cxled)
> +{
> +	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
> +	struct cxl_dev_state *cxlds = cxlmd->cxlds;
> +	struct resource *res = cxled->dpa_res;
> +
> +	lockdep_assert_held_write(&cxl_dpa_rwsem);
> +
> +	if (cxled->skip)
> +		__release_region(&cxlds->dpa_res, res->start - cxled->skip,
> +				 cxled->skip);
> +	cxled->skip = 0;
> +	__release_region(&cxlds->dpa_res, res->start, resource_size(res));

Minor but I think the ordering in here is unnecessarily not the opposite
of what is going on in __cxl_dpa_reserve()  Should be releasing the
actual rs first, then releasing the skip.

> +	cxled->dpa_res = NULL;
> +}
> +
> +static void cxl_dpa_release(void *cxled)
> +{
> +	down_write(&cxl_dpa_rwsem);
> +	__cxl_dpa_release(cxled);
> +	up_write(&cxl_dpa_rwsem);
> +}
> +
> +static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
> +			     resource_size_t base, resource_size_t len,
> +			     resource_size_t skipped)
> +{
> +	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
> +	struct cxl_port *port = cxled_to_port(cxled);
> +	struct cxl_dev_state *cxlds = cxlmd->cxlds;
> +	struct device *dev = &port->dev;
> +	struct resource *res;
> +
> +	lockdep_assert_held_write(&cxl_dpa_rwsem);
> +
> +	if (!len)
> +		return 0;
> +
> +	if (cxled->dpa_res) {
> +		dev_dbg(dev, "decoder%d.%d: existing allocation %pr assigned\n",
> +			port->id, cxled->cxld.id, cxled->dpa_res);
> +		return -EBUSY;
> +	}
> +
> +	if (skipped) {
> +		res = __request_region(&cxlds->dpa_res, base - skipped, skipped,
> +				       dev_name(&cxled->cxld.dev), 0);
> +		if (!res) {
> +			dev_dbg(dev,
> +				"decoder%d.%d: failed to reserve skipped space\n",
> +				port->id, cxled->cxld.id);
> +			return -EBUSY;
> +		}
> +	}
> +	res = __request_region(&cxlds->dpa_res, base, len,
> +			       dev_name(&cxled->cxld.dev), 0);
> +	if (!res) {
> +		dev_dbg(dev, "decoder%d.%d: failed to reserve allocation\n",
> +			port->id, cxled->cxld.id);
> +		if (skipped)
> +			__release_region(&cxlds->dpa_res, base - skipped,
> +					 skipped);
> +		return -EBUSY;
> +	}
> +	cxled->dpa_res = res;
> +	cxled->skip = skipped;
> +
> +	return 0;
> +}
> +

...

Re: [PATCH v2 08/28] cxl/hdm: Track next decoder to allocate

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:01:28 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> The CXL specification enforces that endpoint decoders are committed in
> hw instance id order. In preparation for adding dynamic DPA allocation,
> record the hw instance id in endpoint decoders, and enforce allocations
> to occur in hw instance id order.
> 
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Lifting from v1 thread to ease picking it up.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  drivers/cxl/core/hdm.c  |   15 +++++++++++++++
>  drivers/cxl/core/port.c |    1 +
>  drivers/cxl/cxl.h       |    2 ++
>  3 files changed, 18 insertions(+)
> 
> diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
> index acd46b0d69c6..582f48141767 100644
> --- a/drivers/cxl/core/hdm.c
> +++ b/drivers/cxl/core/hdm.c
> @@ -160,6 +160,7 @@ EXPORT_SYMBOL_NS_GPL(cxl_dpa_debug, CXL);
>  static void __cxl_dpa_release(struct cxl_endpoint_decoder *cxled)
>  {
>  	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
> +	struct cxl_port *port = cxled_to_port(cxled);
>  	struct cxl_dev_state *cxlds = cxlmd->cxlds;
>  	struct resource *res = cxled->dpa_res;
>  
> @@ -171,6 +172,7 @@ static void __cxl_dpa_release(struct cxl_endpoint_decoder *cxled)
>  	cxled->skip = 0;
>  	__release_region(&cxlds->dpa_res, res->start, resource_size(res));
>  	cxled->dpa_res = NULL;
> +	port->hdm_end--;
>  }
>  
>  static void cxl_dpa_release(void *cxled)
> @@ -201,6 +203,18 @@ static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
>  		return -EBUSY;
>  	}
>  
> +	if (port->hdm_end + 1 != cxled->cxld.id) {
> +		/*
> +		 * Assumes alloc and commit order is always in hardware instance
> +		 * order per expectations from 8.2.5.12.20 Committing Decoder
> +		 * Programming that enforce decoder[m] committed before
> +		 * decoder[m+1] commit start.
> +		 */
> +		dev_dbg(dev, "decoder%d.%d: expected decoder%d.%d\n", port->id,
> +			cxled->cxld.id, port->id, port->hdm_end + 1);
> +		return -EBUSY;
> +	}
> +
>  	if (skipped) {
>  		res = __request_region(&cxlds->dpa_res, base - skipped, skipped,
>  				       dev_name(&cxled->cxld.dev), 0);
> @@ -233,6 +247,7 @@ static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,
>  			cxled->cxld.id, cxled->dpa_res);
>  		cxled->mode = CXL_DECODER_MIXED;
>  	}
> +	port->hdm_end++;
>  
>  	return 0;
>  }
> diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
> index 0ac5dcd612e0..109611318760 100644
> --- a/drivers/cxl/core/port.c
> +++ b/drivers/cxl/core/port.c
> @@ -502,6 +502,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
>  
>  	port->component_reg_phys = component_reg_phys;
>  	ida_init(&port->decoder_ida);
> +	port->hdm_end = -1;
>  	INIT_LIST_HEAD(&port->dports);
>  	INIT_LIST_HEAD(&port->endpoints);
>  
> diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
> index 3e7363dde80f..70cd24e4f3ce 100644
> --- a/drivers/cxl/cxl.h
> +++ b/drivers/cxl/cxl.h
> @@ -333,6 +333,7 @@ struct cxl_nvdimm {
>   * @dports: cxl_dport instances referenced by decoders
>   * @endpoints: cxl_ep instances, endpoints that are a descendant of this port
>   * @decoder_ida: allocator for decoder ids
> + * @hdm_end: track last allocated HDM decoder instance for allocation ordering
>   * @component_reg_phys: component register capability base address (optional)
>   * @dead: last ep has been removed, force port re-creation
>   * @depth: How deep this port is relative to the root. depth 0 is the root.
> @@ -345,6 +346,7 @@ struct cxl_port {
>  	struct list_head dports;
>  	struct list_head endpoints;
>  	struct ida decoder_ida;
> +	int hdm_end;
>  	resource_size_t component_reg_phys;
>  	bool dead;
>  	unsigned int depth;
> 

Re: [PATCH v2 09/28] cxl/hdm: Add support for allocating DPA to an endpoint decoder

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:01:34 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> The region provisioning flow will roughly follow a sequence of:
> 
> 1/ Allocate DPA to a set of decoders
> 
> 2/ Allocate HPA to a region
> 
> 3/ Associate decoders with a region and validate that the DPA allocations
>    and topologies match the parameters of the region.
> 
> For now, this change (step 1) arranges for DPA capacity to be allocated
> and deleted from non-committed decoders based on the decoder's mode /
> partition selection. Capacity is allocated from the lowest DPA in the
> partition and any 'pmem' allocation blocks out all remaining ram
> capacity in its 'skip' setting. DPA allocations are enforced in decoder
> instance order. I.e. decoder N + 1 always starts at a higher DPA than
> instance N, and deleting allocations must proceed from the
> highest-instance allocated decoder to the lowest.
> 
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 10/28] cxl/port: Record dport in endpoint references

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:01:39 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Recall that the primary role of the cxl_mem driver is to probe if the
> given endpoint is connected to a CXL port topology. In that process it
> walks its device ancestry to its PCI root port. If that root port is
> also a CXL root port then the probe process adds cxl_port object
> instances at switch in the path between to the root and the endpoint. As
> those cxl_port instances are added, or if a previous enumeration
> attempt already created the port, a 'struct cxl_ep' instance is
> registered with that port to track the endpoints interested in that
> port.
> 
> At the time the cxl_ep is registered the downstream egress path from the
> port to the endpoint is known. Take the opportunity to record that
> information as it will be needed for dynamic programming of decoder
> targets during region provisioning.
> 
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
You answered my queries on previous version, so I'm happy with this.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  drivers/cxl/core/port.c |   52 ++++++++++++++++++++++++++++++++---------------
>  drivers/cxl/cxl.h       |    2 ++
>  2 files changed, 37 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
> index fdc1be7db917..a8d350361548 100644
> --- a/drivers/cxl/core/port.c
> +++ b/drivers/cxl/core/port.c
> @@ -882,8 +882,9 @@ static struct cxl_ep *find_ep(struct cxl_port *port, struct device *ep_dev)
>  	return NULL;
>  }
>  
> -static int add_ep(struct cxl_port *port, struct cxl_ep *new)
> +static int add_ep(struct cxl_ep *new)
>  {
> +	struct cxl_port *port = new->dport->port;
>  	struct cxl_ep *dup;
>  
>  	device_lock(&port->dev);
> @@ -901,14 +902,14 @@ static int add_ep(struct cxl_port *port, struct cxl_ep *new)
>  
>  /**
>   * cxl_add_ep - register an endpoint's interest in a port
> - * @port: a port in the endpoint's topology ancestry
> + * @dport: the dport that routes to @ep_dev
>   * @ep_dev: device representing the endpoint
>   *
>   * Intermediate CXL ports are scanned based on the arrival of endpoints.
>   * When those endpoints depart the port can be destroyed once all
>   * endpoints that care about that port have been removed.
>   */
> -static int cxl_add_ep(struct cxl_port *port, struct device *ep_dev)
> +static int cxl_add_ep(struct cxl_dport *dport, struct device *ep_dev)
>  {
>  	struct cxl_ep *ep;
>  	int rc;
> @@ -919,8 +920,9 @@ static int cxl_add_ep(struct cxl_port *port, struct device *ep_dev)
>  
>  	INIT_LIST_HEAD(&ep->list);
>  	ep->ep = get_device(ep_dev);
> +	ep->dport = dport;
>  
> -	rc = add_ep(port, ep);
> +	rc = add_ep(ep);
>  	if (rc)
>  		cxl_ep_release(ep);
>  	return rc;
> @@ -929,11 +931,13 @@ static int cxl_add_ep(struct cxl_port *port, struct device *ep_dev)
>  struct cxl_find_port_ctx {
>  	const struct device *dport_dev;
>  	const struct cxl_port *parent_port;
> +	struct cxl_dport **dport;
>  };
>  
>  static int match_port_by_dport(struct device *dev, const void *data)
>  {
>  	const struct cxl_find_port_ctx *ctx = data;
> +	struct cxl_dport *dport;
>  	struct cxl_port *port;
>  
>  	if (!is_cxl_port(dev))
> @@ -942,7 +946,10 @@ static int match_port_by_dport(struct device *dev, const void *data)
>  		return 0;
>  
>  	port = to_cxl_port(dev);
> -	return cxl_find_dport_by_dev(port, ctx->dport_dev) != NULL;
> +	dport = cxl_find_dport_by_dev(port, ctx->dport_dev);
> +	if (ctx->dport)
> +		*ctx->dport = dport;
> +	return dport != NULL;
>  }
>  
>  static struct cxl_port *__find_cxl_port(struct cxl_find_port_ctx *ctx)
> @@ -958,24 +965,32 @@ static struct cxl_port *__find_cxl_port(struct cxl_find_port_ctx *ctx)
>  	return NULL;
>  }
>  
> -static struct cxl_port *find_cxl_port(struct device *dport_dev)
> +static struct cxl_port *find_cxl_port(struct device *dport_dev,
> +				      struct cxl_dport **dport)
>  {
>  	struct cxl_find_port_ctx ctx = {
>  		.dport_dev = dport_dev,
> +		.dport = dport,
>  	};
> +	struct cxl_port *port;
>  
> -	return __find_cxl_port(&ctx);
> +	port = __find_cxl_port(&ctx);
> +	return port;
>  }
>  
>  static struct cxl_port *find_cxl_port_at(struct cxl_port *parent_port,
> -					 struct device *dport_dev)
> +					 struct device *dport_dev,
> +					 struct cxl_dport **dport)
>  {
>  	struct cxl_find_port_ctx ctx = {
>  		.dport_dev = dport_dev,
>  		.parent_port = parent_port,
> +		.dport = dport,
>  	};
> +	struct cxl_port *port;
>  
> -	return __find_cxl_port(&ctx);
> +	port = __find_cxl_port(&ctx);
> +	return port;
>  }
>  
>  /*
> @@ -1060,7 +1075,7 @@ static void cxl_detach_ep(void *data)
>  		if (!dport_dev)
>  			break;
>  
> -		port = find_cxl_port(dport_dev);
> +		port = find_cxl_port(dport_dev, NULL);
>  		if (!port)
>  			continue;
>  
> @@ -1135,6 +1150,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
>  	struct device *dparent = grandparent(dport_dev);
>  	struct cxl_port *port, *parent_port = NULL;
>  	resource_size_t component_reg_phys;
> +	struct cxl_dport *dport;
>  	int rc;
>  
>  	if (!dparent) {
> @@ -1148,7 +1164,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
>  		return -ENXIO;
>  	}
>  
> -	parent_port = find_cxl_port(dparent);
> +	parent_port = find_cxl_port(dparent, NULL);
>  	if (!parent_port) {
>  		/* iterate to create this parent_port */
>  		return -EAGAIN;
> @@ -1163,13 +1179,14 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
>  		goto out;
>  	}
>  
> -	port = find_cxl_port_at(parent_port, dport_dev);
> +	port = find_cxl_port_at(parent_port, dport_dev, &dport);
>  	if (!port) {
>  		component_reg_phys = find_component_registers(uport_dev);
>  		port = devm_cxl_add_port(&parent_port->dev, uport_dev,
>  					 component_reg_phys, parent_port);
> +		/* retry find to pick up the new dport information */
>  		if (!IS_ERR(port))
> -			get_device(&port->dev);
> +			port = find_cxl_port_at(parent_port, dport_dev, &dport);
>  	}
>  out:
>  	device_unlock(&parent_port->dev);
> @@ -1179,7 +1196,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
>  	else {
>  		dev_dbg(&cxlmd->dev, "add to new port %s:%s\n",
>  			dev_name(&port->dev), dev_name(port->uport));
> -		rc = cxl_add_ep(port, &cxlmd->dev);
> +		rc = cxl_add_ep(dport, &cxlmd->dev);
>  		if (rc == -EEXIST) {
>  			/*
>  			 * "can't" happen, but this error code means
> @@ -1213,6 +1230,7 @@ int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd)
>  	for (iter = dev; iter; iter = grandparent(iter)) {
>  		struct device *dport_dev = grandparent(iter);
>  		struct device *uport_dev;
> +		struct cxl_dport *dport;
>  		struct cxl_port *port;
>  
>  		if (!dport_dev)
> @@ -1228,12 +1246,12 @@ int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd)
>  		dev_dbg(dev, "scan: iter: %s dport_dev: %s parent: %s\n",
>  			dev_name(iter), dev_name(dport_dev),
>  			dev_name(uport_dev));
> -		port = find_cxl_port(dport_dev);
> +		port = find_cxl_port(dport_dev, &dport);
>  		if (port) {
>  			dev_dbg(&cxlmd->dev,
>  				"found already registered port %s:%s\n",
>  				dev_name(&port->dev), dev_name(port->uport));
> -			rc = cxl_add_ep(port, &cxlmd->dev);
> +			rc = cxl_add_ep(dport, &cxlmd->dev);
>  
>  			/*
>  			 * If the endpoint already exists in the port's list,
> @@ -1274,7 +1292,7 @@ EXPORT_SYMBOL_NS_GPL(devm_cxl_enumerate_ports, CXL);
>  
>  struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd)
>  {
> -	return find_cxl_port(grandparent(&cxlmd->dev));
> +	return find_cxl_port(grandparent(&cxlmd->dev), NULL);
>  }
>  EXPORT_SYMBOL_NS_GPL(cxl_mem_find_port, CXL);
>  
> diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
> index 70cd24e4f3ce..31f33844279a 100644
> --- a/drivers/cxl/cxl.h
> +++ b/drivers/cxl/cxl.h
> @@ -371,10 +371,12 @@ struct cxl_dport {
>  /**
>   * struct cxl_ep - track an endpoint's interest in a port
>   * @ep: device that hosts a generic CXL endpoint (expander or accelerator)
> + * @dport: which dport routes to this endpoint on @port
>   * @list: node on port->endpoints list
>   */
>  struct cxl_ep {
>  	struct device *ep;
> +	struct cxl_dport *dport;
>  	struct list_head list;
>  };
>  
> 

Re: [PATCH v2 13/28] cxl/port: Move dport tracking to an xarray

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:01:56 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Reduce the complexity and the overhead of walking the topology to
> determine endpoint connectivity to root decoder interleave
> configurations.
> 
> Note that cxl_detach_ep(), after it determines that the last @ep has
> departed and decides to delete the port, now needs to walk the dport
> array with the device_lock() held to remove entries. Previously
> list_splice_init() could be used atomically delete all dport entries at
> once and then perform entry tear down outside the lock. There is no
> list_splice_init() equivalent for the xarray.
> 
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 14/28] cxl/hdm: Add sysfs attributes for interleave ways + granularity

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:02:02 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> From: Ben Widawsky <bwidawsk@kernel.org>
> 
> The region provisioning flow involves selecting interleave ways +
> granularity settings for a region, and then programming the decoder
> topology to meet those constraints, if possible. For example, root
> decoders set the minimum interleave ways + granularity for any hosted
> regions.
> 
> Given decoder programming is not atomic and collisions can occur between
> multiple requesting regions userspace will be responsible for conflict
> resolution and it needs these attributes to make those decisions.
> 
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> [djbw: reword changelog, make read-only, add sysfs ABI documentaion]
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 16/28] resource: Introduce alloc_free_mem_region()

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:02:13 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> The core of devm_request_free_mem_region() is a helper that searches for
> free space in iomem_resource and performs __request_region_locked() on
> the result of that search. The policy choices of the implementation
> conform to what CONFIG_DEVICE_PRIVATE users want which is memory that is
> immediately marked busy, and a preference to search for the first-fit
> free range in descending order from the top of the physical address
> space.
> 
> CXL has a need for a similar allocator, but with the following tweaks:
> 
> 1/ Search for free space in ascending order
> 
> 2/ Search for free space relative to a given CXL window
> 
> 3/ 'insert' rather than 'request' the new resource given downstream
>    drivers from the CXL Region driver (like the pmem or dax drivers) are
>    responsible for request_mem_region() when they activate the memory
>    range.
> 
> Rework __request_free_mem_region() into get_free_mem_region() which
> takes a set of GFR_* (Get Free Region) flags to control the allocation
> policy (ascending vs descending), and "busy" policy (insert_resource()
> vs request_region()).
> 
> As part of the consolidation of the legacy GFR_REQUEST_REGION case with
> the new default of just inserting a new resource into the free space
> some minor cleanups like not checking for NULL before calling
> devres_free() (which does its own check) is included.
> 
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Link: https://lore.kernel.org/linux-cxl/20220420143406.GY2120790@nvidia.com/
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Given you answered all my questions on v1, I'm fine with this.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 17/28] cxl/region: Add region creation support

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:02:19 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> From: Ben Widawsky <bwidawsk@kernel.org>
> 
> CXL 2.0 allows for dynamic provisioning of new memory regions (system
> physical address resources like "System RAM" and "Persistent Memory").
> Whereas DDR and PMEM resources are conveyed statically at boot, CXL
> allows for assembling and instantiating new regions from the available
> capacity of CXL memory expanders in the system.
> 
> Sysfs with an "echo $region_name > $create_region_attribute" interface
> is chosen as the mechanism to initiate the provisioning process. This
> was chosen over ioctl() and netlink() to keep the configuration
> interface entirely in a pseudo-fs interface, and it was chosen over
> configfs since, aside from this one creation event, the interface is
> read-mostly. I.e. configfs supports cases where an object is designed to
> be provisioned each boot, like an iSCSI storage target, and CXL region
> creation is mostly for PMEM regions which are created usually once
> per-lifetime of a server instance. This is an improvement over nvdimm
> that pre-created "seed" devices that tended to confuse users looking to
> determine which devices are active and which are idle.
> 
> Recall that the major change that CXL brings over previous persistent
> memory architectures is the ability to dynamically define new regions.
> Compare that to drivers like 'nfit' where the region configuration is
> statically defined by platform firmware.
> 
> Regions are created as a child of a root decoder that encompasses an
> address space with constraints. When created through sysfs, the root
> decoder is explicit. When created from an LSA's region structure a root
> decoder will possibly need to be inferred by the driver.
> 
> Upon region creation through sysfs, a vacant region is created with a
> unique name. Regions have a number of attributes that must be configured
> before the region can be bound to the driver where HDM decoder program
> is completed.
> 
> An example of creating a new region:
> 
> - Allocate a new region name:
> region=$(cat /sys/bus/cxl/devices/decoder0.0/create_pmem_region)
> 
> - Create a new region by name:
> while
> region=$(cat /sys/bus/cxl/devices/decoder0.0/create_pmem_region)
> ! echo $region > /sys/bus/cxl/devices/decoder0.0/create_pmem_region
> do true; done
> 
> - Region now exists in sysfs:
> stat -t /sys/bus/cxl/devices/decoder0.0/$region
> 
> - Delete the region, and name:
> echo $region > /sys/bus/cxl/devices/decoder0.0/delete_region
> 
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> [djbw: simplify locking, reword changelog]
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
V1 comments all addressed so
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 18/28] cxl/region: Add a 'uuid' attribute

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:02:24 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> From: Ben Widawsky <bwidawsk@kernel.org>
> 
> The process of provisioning a region involves triggering the creation of
> a new region object, pouring in the configuration, and then binding that
> configured object to the region driver to start its operation. For
> persistent memory regions the CXL specification mandates that it
> identified by a uuid. Add an ABI for userspace to specify a region's
> uuid.
> 
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> [djbw: simplify locking]
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 20/28] cxl/region: Allocate HPA capacity to regions

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:02:36 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> After a region's interleave parameters (ways and granularity) are set,
> add a way for regions to allocate HPA (host physical address space) from
> the free capacity in their parent root-decoder. The allocator for this
> capacity reuses the 'struct resource' based allocator used for
> CONFIG_DEVICE_PRIVATE.
> 
> Once the tuple of "ways, granularity, and size" is set the
> region configuration transitions to the CXL_CONFIG_INTERLEAVE_ACTIVE
> state which is a precursor to allowing endpoint decoders to be added to
> a region.
> 
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Comments all look to be addressed either in reply to v1 review or here so LGTM

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  Documentation/ABI/testing/sysfs-bus-cxl |   29 ++++++
>  drivers/cxl/Kconfig                     |    3 +
>  drivers/cxl/core/region.c               |  150 +++++++++++++++++++++++++++++++
>  drivers/cxl/cxl.h                       |    2 
>  4 files changed, 183 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
> index bfa42bcc8383..0c6c3da4da5a 100644
> --- a/Documentation/ABI/testing/sysfs-bus-cxl
> +++ b/Documentation/ABI/testing/sysfs-bus-cxl
> @@ -313,3 +313,32 @@ Description:
>  		(RW) Configures the number of devices participating in the
>  		region is set by writing this value. Each device will provide
>  		1/interleave_ways of storage for the region.
> +
> +
> +What:		/sys/bus/cxl/devices/regionZ/size
> +Date:		May, 2022
> +KernelVersion:	v5.20
> +Contact:	linux-cxl@vger.kernel.org
> +Description:
> +		(RW) System physical address space to be consumed by the region.
> +		When written trigger the driver to allocate space out of the
> +		parent root decoder's address space. When read the size of the
> +		address space is reported and should match the span of the
> +		region's resource attribute. Size shall be set after the
> +		interleave configuration parameters. Once set it cannot be
> +		changed, only freed by writing 0. The kernel makes no guarantees
> +		that data is maintained over an address space freeing event, and
> +		there is no guarantee that a free followed by an allocate
> +		results in the same address being allocated.
> +
> +
> +What:		/sys/bus/cxl/devices/regionZ/resource
> +Date:		May, 2022
> +KernelVersion:	v5.20
> +Contact:	linux-cxl@vger.kernel.org
> +Description:
> +		(RO) A region is a contiguous partition of a CXL root decoder
> +		address space. Region capacity is allocated by writing to the
> +		size attribute, the resulting physical address space determined
> +		by the driver is reflected here. It is therefore not useful to
> +		read this before writing a value to the size attribute.
> diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig
> index aa2728de419e..74c2cd069d9d 100644
> --- a/drivers/cxl/Kconfig
> +++ b/drivers/cxl/Kconfig
> @@ -105,6 +105,9 @@ config CXL_SUSPEND
>  config CXL_REGION
>  	bool
>  	default CXL_BUS
> +	# For MAX_PHYSMEM_BITS
> +	depends on SPARSEMEM
>  	select MEMREGION
> +	select GET_FREE_REGION
>  
>  endif
> diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> index 3289caa5d882..b1e847827c6b 100644
> --- a/drivers/cxl/core/region.c
> +++ b/drivers/cxl/core/region.c
> @@ -244,10 +244,152 @@ static ssize_t interleave_granularity_store(struct device *dev,
>  }
>  static DEVICE_ATTR_RW(interleave_granularity);
>  
> +static ssize_t resource_show(struct device *dev, struct device_attribute *attr,
> +			     char *buf)
> +{
> +	struct cxl_region *cxlr = to_cxl_region(dev);
> +	struct cxl_region_params *p = &cxlr->params;
> +	u64 resource = -1ULL;
> +	ssize_t rc;
> +
> +	rc = down_read_interruptible(&cxl_region_rwsem);
> +	if (rc)
> +		return rc;
> +	if (p->res)
> +		resource = p->res->start;
> +	rc = sysfs_emit(buf, "%#llx\n", resource);
> +	up_read(&cxl_region_rwsem);
> +
> +	return rc;
> +}
> +static DEVICE_ATTR_RO(resource);
> +
> +static int alloc_hpa(struct cxl_region *cxlr, resource_size_t size)
> +{
> +	struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(cxlr->dev.parent);
> +	struct cxl_region_params *p = &cxlr->params;
> +	struct resource *res;
> +	u32 remainder = 0;
> +
> +	lockdep_assert_held_write(&cxl_region_rwsem);
> +
> +	/* Nothing to do... */
> +	if (p->res && resource_size(res) == size)
> +		return 0;
> +
> +	/* To change size the old size must be freed first */
> +	if (p->res)
> +		return -EBUSY;
> +
> +	if (p->state >= CXL_CONFIG_INTERLEAVE_ACTIVE)
> +		return -EBUSY;
> +
> +	/* ways, granularity and uuid (if PMEM) need to be set before HPA */
> +	if (!p->interleave_ways || !p->interleave_granularity ||
> +	    (cxlr->mode == CXL_DECODER_PMEM && uuid_is_null(&p->uuid)))
> +		return -ENXIO;
> +
> +	div_u64_rem(size, SZ_256M * p->interleave_ways, &remainder);
> +	if (remainder)
> +		return -EINVAL;
> +
> +	res = alloc_free_mem_region(cxlrd->res, size, SZ_256M,
> +				    dev_name(&cxlr->dev));
> +	if (IS_ERR(res)) {
> +		dev_dbg(&cxlr->dev, "failed to allocate HPA: %ld\n",
> +			PTR_ERR(res));
> +		return PTR_ERR(res);
> +	}
> +
> +	p->res = res;
> +	p->state = CXL_CONFIG_INTERLEAVE_ACTIVE;
> +
> +	return 0;
> +}
> +
> +static void cxl_region_iomem_release(struct cxl_region *cxlr)
> +{
> +	struct cxl_region_params *p = &cxlr->params;
> +
> +	if (device_is_registered(&cxlr->dev))
> +		lockdep_assert_held_write(&cxl_region_rwsem);
> +	if (p->res) {
> +		remove_resource(p->res);
> +		kfree(p->res);
> +		p->res = NULL;
> +	}
> +}
> +
> +static int free_hpa(struct cxl_region *cxlr)
> +{
> +	struct cxl_region_params *p = &cxlr->params;
> +
> +	lockdep_assert_held_write(&cxl_region_rwsem);
> +
> +	if (!p->res)
> +		return 0;
> +
> +	if (p->state >= CXL_CONFIG_ACTIVE)
> +		return -EBUSY;
> +
> +	cxl_region_iomem_release(cxlr);
> +	p->state = CXL_CONFIG_IDLE;
> +	return 0;
> +}
> +
> +static ssize_t size_store(struct device *dev, struct device_attribute *attr,
> +			  const char *buf, size_t len)
> +{
> +	struct cxl_region *cxlr = to_cxl_region(dev);
> +	u64 val;
> +	int rc;
> +
> +	rc = kstrtou64(buf, 0, &val);
> +	if (rc)
> +		return rc;
> +
> +	rc = down_write_killable(&cxl_region_rwsem);
> +	if (rc)
> +		return rc;
> +
> +	if (val)
> +		rc = alloc_hpa(cxlr, val);
> +	else
> +		rc = free_hpa(cxlr);
> +	up_write(&cxl_region_rwsem);
> +
> +	if (rc)
> +		return rc;
> +
> +	return len;
> +}
> +
> +static ssize_t size_show(struct device *dev, struct device_attribute *attr,
> +			 char *buf)
> +{
> +	struct cxl_region *cxlr = to_cxl_region(dev);
> +	struct cxl_region_params *p = &cxlr->params;
> +	u64 size = 0;
> +	ssize_t rc;
> +
> +	rc = down_read_interruptible(&cxl_region_rwsem);
> +	if (rc)
> +		return rc;
> +	if (p->res)
> +		size = resource_size(p->res);
> +	rc = sysfs_emit(buf, "%#llx\n", size);
> +	up_read(&cxl_region_rwsem);
> +
> +	return rc;
> +}
> +static DEVICE_ATTR_RW(size);
> +
>  static struct attribute *cxl_region_attrs[] = {
>  	&dev_attr_uuid.attr,
>  	&dev_attr_interleave_ways.attr,
>  	&dev_attr_interleave_granularity.attr,
> +	&dev_attr_resource.attr,
> +	&dev_attr_size.attr,
>  	NULL,
>  };
>  
> @@ -293,7 +435,11 @@ static struct cxl_region *to_cxl_region(struct device *dev)
>  
>  static void unregister_region(void *dev)
>  {
> -	device_unregister(dev);
> +	struct cxl_region *cxlr = to_cxl_region(dev);
> +
> +	device_del(dev);
> +	cxl_region_iomem_release(cxlr);
> +	put_device(dev);
>  }
>  
>  static struct lock_class_key cxl_region_key;
> @@ -445,3 +591,5 @@ static ssize_t delete_region_store(struct device *dev,
>  	return len;
>  }
>  DEVICE_ATTR_WO(delete_region);
> +
> +MODULE_IMPORT_NS(CXL);
> diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
> index a4e65c102bed..837bfa67f469 100644
> --- a/drivers/cxl/cxl.h
> +++ b/drivers/cxl/cxl.h
> @@ -341,6 +341,7 @@ enum cxl_config_state {
>   * @uuid: unique id for persistent regions
>   * @interleave_ways: number of endpoints in the region
>   * @interleave_granularity: capacity each endpoint contributes to a stripe
> + * @res: allocated iomem capacity for this region
>   *
>   * State transitions are protected by the cxl_region_rwsem
>   */
> @@ -349,6 +350,7 @@ struct cxl_region_params {
>  	uuid_t uuid;
>  	int interleave_ways;
>  	int interleave_granularity;
> +	struct resource *res;
>  };
>  
>  /**
> 

Re: [PATCH v2 21/28] cxl/region: Enable the assignment of endpoint decoders to regions

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:02:41 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> The region provisioning process involves allocating DPA to a set of
> endpoint decoders, and HPA plus the region geometry to a region device.
> Then the decoder is assigned to the region. At this point several
> validation steps can be performed to validate that the decoder is
> suitable to participate in the region.
> 
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

I think you've lost some planned changes here as typos from v1 review
still here as is the stale comment.

With those fixed
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>


 
> diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> index b1e847827c6b..871bfdbb9bc8 100644
> --- a/drivers/cxl/core/region.c
> +++ b/drivers/cxl/core/region.c

> +/*
> + * - Check that the given endpoint is attached to a host-bridge identified
> + *   in the root interleave.

In reply to v1 review I think you said you had dropped this comment as stale?

> + */
> +static int cxl_region_attach(struct cxl_region *cxlr,
> +			     struct cxl_endpoint_decoder *cxled, int pos)
> +{
> +	struct cxl_region_params *p = &cxlr->params;
> +
> +	if (cxled->mode == CXL_DECODER_DEAD) {
> +		dev_dbg(&cxlr->dev, "%s dead\n", dev_name(&cxled->cxld.dev));
> +		return -ENODEV;
> +	}
> +
> +	if (pos >= p->interleave_ways) {
> +		dev_dbg(&cxlr->dev, "position %d out of range %d\n", pos,
> +			p->interleave_ways);
> +		return -ENXIO;
> +	}
> +
> +	if (p->targets[pos] == cxled)
> +		return 0;
> +
> +	if (p->targets[pos]) {
> +		struct cxl_endpoint_decoder *cxled_target = p->targets[pos];
> +		struct cxl_memdev *cxlmd_target = cxled_to_memdev(cxled_target);
> +
> +		dev_dbg(&cxlr->dev, "position %d already assigned to %s:%s\n",
> +			pos, dev_name(&cxlmd_target->dev),
> +			dev_name(&cxled_target->cxld.dev));
> +		return -EBUSY;
> +	}
> +
> +	p->targets[pos] = cxled;
> +	cxled->pos = pos;
> +	p->nr_targets++;
> +
> +	return 0;
> +}
> +
> +static void cxl_region_detach(struct cxl_endpoint_decoder *cxled)
> +{
> +	struct cxl_region *cxlr = cxled->cxld.region;
> +	struct cxl_region_params *p;
> +
> +	lockdep_assert_held_write(&cxl_region_rwsem);
> +
> +	if (!cxlr)
> +		return;
> +
> +	p = &cxlr->params;
> +	get_device(&cxlr->dev);
> +
> +	if (cxled->pos < 0 || cxled->pos >= p->interleave_ways ||
> +	    p->targets[cxled->pos] != cxled) {
> +		struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
> +
> +		dev_WARN_ONCE(&cxlr->dev, 1, "expected %s:%s at position %d\n",
> +			      dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev),
> +			      cxled->pos);
> +		goto out;
> +	}
> +
> +	p->targets[cxled->pos] = NULL;
> +	p->nr_targets--;
> +
> +	/* notify the region driver that one of its targets has deparated */
typo still here.

> +	up_write(&cxl_region_rwsem);
> +	device_release_driver(&cxlr->dev);
> +	down_write(&cxl_region_rwsem);
> +out:
> +	put_device(&cxlr->dev);
> +}

Re: [PATCH v2 23/28] cxl/region: Attach endpoint decoders

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:02:52 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> CXL regions (interleave sets) are made up of a set of memory devices
> where each device maps a portion of the interleave with one of its
> decoders (see CXL 2.0 8.2.5.12 CXL HDM Decoder Capability Structure).
> As endpoint decoders are identified by a provisioning tool they can be
> added to a region provided the region interleave properties are set
> (way, granularity, HPA) and DPA has been assigned to the decoder.
> 
> The attach event triggers several validation checks, for example:
> - is the DPA sized appropriately for the region
> - is the decoder reachable via the host-bridges identified by the
>   region's root decoder
> - is the device already active in a different region position slot
> - are there already regions with a higher HPA active on a given port
>   (per CXL 2.0 8.2.5.12.20 Committing Decoder Programming)
> 
> ...and the attach event affords an opportunity to collect data and
> resources relevant to later programming the target lists in switch
> decoders, for example:
> - allocate a decoder at each cxl_port in the decode chain
> - for a given switch port, how many the region's endpoints are hosted
>   through the port
> - how many unique targets (next hops) does a port need to map to reach
>   those endpoints
> 
> The act of reconciling this information and deploying it to the decoder
> configuration is saved for a follow-on patch.
> 
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
All the review comment resolutions from v1 look good to me.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Thanks,

Jonathan

Re: [PATCH v2 24/28] cxl/region: Program target lists

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:02:58 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Once the region's interleave geometry (ways, granularity, size) is
> established and all the endpoint decoder targets are assigned, the next
> phase is to program all the intermediate decoders. Specifically, each
> CXL switch in the path between the endpoint and its CXL host-bridge
> (including the logical switch internal to the host-bridge) needs to have
> its decoders programmed and the target list order assigned.
> 
> The difficulty in this implementation lies in determining which endpoint
> decoder ordering combinations are valid. Consider the cxl_test case of 2
> host bridges, each of those host-bridges attached to 2 switches, and
> each of those switches attached to 2 endpoints for a potential 8-way
> interleave. The x2 interleave at the host-bridge level requires that all
> even numbered endpoint decoder positions be located on the "left" hand
> side of the topology tree, and the odd numbered positions on the other.
> The endpoints that are peers on the same switch need to have a position
> that can be routed with a dedicated address bit per-endpoint. See
> check_last_peer() for the details.
> 
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

I'm less confident on this one than most the other patches (and I see I skipped
reviewing it in v1) as I haven't closely checked the verification logic
but except for one trivial comment inline it looks fine to me.
I want to hit the whole series with a wide range of test cases (I'm sure you
already have) to build that confidence, but won't have time to do that till early
August. However, if there are gremlins hiding, I'd expect them to be minor.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> index 8ac0c557f6aa..225340529fc3 100644
> --- a/drivers/cxl/core/region.c
> +++ b/drivers/cxl/core/region.c
> @@ -485,6 +485,7 @@ static struct cxl_region_ref *alloc_region_ref(struct cxl_port *port,
>  		return NULL;
>  	cxl_rr->port = port;
>  	cxl_rr->region = cxlr;
> +	cxl_rr->nr_targets = 1;
>  	xa_init(&cxl_rr->endpoints);
>  
>  	rc = xa_insert(&port->regions, (unsigned long)cxlr, cxl_rr, GFP_KERNEL);
> @@ -525,10 +526,12 @@ static int cxl_rr_ep_add(struct cxl_region_ref *cxl_rr,
>  	struct cxl_decoder *cxld = cxl_rr->decoder;
>  	struct cxl_ep *ep = cxl_ep_load(port, cxled_to_memdev(cxled));
>  
> -	rc = xa_insert(&cxl_rr->endpoints, (unsigned long)cxled, ep,
> -			 GFP_KERNEL);
> -	if (rc)
> -		return rc;
> +	if (ep) {
> +		rc = xa_insert(&cxl_rr->endpoints, (unsigned long)cxled, ep,
> +			       GFP_KERNEL);
> +		if (rc)
> +			return rc;
> +	}
>  	cxl_rr->nr_eps++;
>  
>  	if (!cxld->region) {
> @@ -565,7 +568,7 @@ static int cxl_port_attach_region(struct cxl_port *port,
>  				  struct cxl_endpoint_decoder *cxled, int pos)
>  {
>  	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
> -	struct cxl_ep *ep = cxl_ep_load(port, cxlmd);
> +	const struct cxl_ep *ep = cxl_ep_load(port, cxlmd);

Why const now and not previously?  Feels like this should be in an earlier patch.
Maybe I'm missing something though.

>  	struct cxl_region_ref *cxl_rr = NULL, *iter;
>  	struct cxl_region_params *p = &cxlr->params;
>  	struct cxl_decoder *cxld = NULL;
> @@ -649,6 +652,16 @@ static int cxl_port_attach_region(struct cxl_port *port,
>  		goto out_erase;
>  	}
>  
> +	dev_dbg(&cxlr->dev,
> +		"%s:%s %s add: %s:%s @ %d next: %s nr_eps: %d nr_targets: %d\n",
> +		dev_name(port->uport), dev_name(&port->dev),
> +		dev_name(&cxld->dev), dev_name(&cxlmd->dev),
> +		dev_name(&cxled->cxld.dev), pos,
> +		ep ? ep->next ? dev_name(ep->next->uport) :
> +				      dev_name(&cxlmd->dev) :
> +			   "none",
> +		cxl_rr->nr_eps, cxl_rr->nr_targets);
> +
>  	return 0;
>  out_erase:
>  	if (cxl_rr->nr_eps == 0)

Re: [PATCH v2 25/28] cxl/hdm: Commit decoder state to hardware

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:03:04 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> After all the soft validation of the region has completed, convey the
> region configuration to hardware while being careful to commit decoders
> in specification mandated order. In addition to programming the endpoint
> decoder base-address, interleave ways and granularity, the switch
> decoder target lists are also established.
> 
> While the kernel can enforce spec-mandated commit order, it can not
> enforce spec-mandated reset order. For example, the kernel can't stop
> someone from removing an endpoint device that is occupying decoderN in a
> switch decoder where decoderN+1 is also committed. To reset decoderN,
> decoderN+1 must be torn down first. That "tear down the world"
> implementation is saved for a follow-on patch.
> 
> Callback operations are provided for the 'commit' and 'reset'
> operations. While those callbacks may prove useful for CXL accelerators
> (Type-2 devices with memory) the primary motivation is to enable a
> simple way for cxl_test to intercept those operations.
> 
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

LGTM
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 27/28] cxl/pmem: Fix offline_nvdimm_bus() to offline by bridge

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:03:15 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Be careful to only disable cxl_pmem objects related to a given
> cxl_nvdimm_bridge. Otherwise, offline_nvdimm_bus() reaches across CXL
> domains and disables more than is expected.
> 
> Fixes: 21083f51521f ("cxl/pmem: Register 'pmem' / cxl_nvdimm devices")
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

All comments on v1 were addressed in your reply so LGTM

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Re: [PATCH v2 28/28] cxl/region: Introduce cxl_pmem_region objects

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:03:21 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> The LIBNVDIMM subsystem is a platform agnostic representation of system
> NVDIMM / persistent memory resources. To date, the CXL subsystem's
> interaction with LIBNVDIMM has been to register an nvdimm-bridge device
> and cxl_nvdimm objects to proxy CXL capabilities into existing LIBNVDIMM
> subsystem mechanics.
> 
> With regions the approach is the same. Create a new cxl_pmem_region
> object to proxy CXL region details into a LIBNVDIMM definition. With
> this enabling LIBNVDIMM can partition CXL persistent memory regions with
> legacy namespace labels. A follow-on patch will add CXL region label and
> CXL namespace label support to persist region configurations across
> driver reload / system-reset events.
> 
> Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
On trivial query below.  Either way I think this looks good.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> +
> +static void unregister_nvdimm_region(void *nd_region)
> +{
> +	struct cxl_nvdimm_bridge *cxl_nvb;
> +	struct cxl_pmem_region *cxlr_pmem;
> +	int i;
> +
> +	cxlr_pmem = nd_region_provider_data(nd_region);
> +	cxl_nvb = cxlr_pmem->bridge;
> +	device_lock(&cxl_nvb->dev);
> +	for (i = 0; i < cxlr_pmem->nr_mappings; i++) {
> +		struct cxl_pmem_region_mapping *m = &cxlr_pmem->mapping[i];
> +		struct cxl_nvdimm *cxl_nvd = m->cxl_nvd;
> +
> +		if (cxl_nvd->region) {
> +			put_device(&cxlr_pmem->dev);
> +			cxl_nvd->region = NULL;
> +		}
> +	}
> +	device_unlock(&cxl_nvb->dev);
> +
> +	nvdimm_region_delete(nd_region);

I'm not convinced by the ordering in here. Can we do the nvdimm_region_delete() before
taking the device_lock()?  That would make this a nice mirror image of what is
going on in probe().  I may well be missing a reason that doesn't work though.

> +}
> +

Re: [PATCH v2 00/28] CXL PMEM Region Provisioning

[Jonathan Cameron]

Hi Dan,

As I mentioned in one of my reviews I'd love to run a bunch of test
cases against this, but won't get to that until sometime in August.
For some of those tests on QEMU I'll need to add some minor features
(multiple HDM decoder support and handling of skip for example).

However, my limited testing of v1 was looking good and I doesn't seem
like there were any fundamental changes.

So personally I'd be happy with this going in this cycle and getting
additional testing later if you and anyone else who comments feels
that's the way to go.

Thanks,

Jonathan

Re: [PATCH v2 21/28] cxl/region: Enable the assignment of endpoint decoders to regions

[Dan Williams]

Jonathan Cameron wrote:
> On Thu, 14 Jul 2022 17:02:41 -0700
> Dan Williams <dan.j.williams@intel.com> wrote:
> 
> > The region provisioning process involves allocating DPA to a set of
> > endpoint decoders, and HPA plus the region geometry to a region device.
> > Then the decoder is assigned to the region. At this point several
> > validation steps can be performed to validate that the decoder is
> > suitable to participate in the region.
> > 
> > Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> > Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> > Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> 
> I think you've lost some planned changes here as typos from v1 review
> still here as is the stale comment.
> 
> With those fixed
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> 
> 
>  
> > diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> > index b1e847827c6b..871bfdbb9bc8 100644
> > --- a/drivers/cxl/core/region.c
> > +++ b/drivers/cxl/core/region.c
> 
> > +/*
> > + * - Check that the given endpoint is attached to a host-bridge identified
> > + *   in the root interleave.
> 
> In reply to v1 review I think you said you had dropped this comment as stale?

Correct, its gone now along with some other 0day robot reported fixups:

https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/tree/drivers/cxl/core/region.c?h=preview#n1099

Re: [PATCH v2 00/28] CXL PMEM Region Provisioning

[Jonathan Cameron]

On Thu, 14 Jul 2022 17:00:41 -0700
Dan Williams <dan.j.williams@intel.com> wrote:


Hi Dan,

I'm low on time unfortunately and will be OoO for next week,
But whilst fixing a bug in QEMU, I set up a test to exercise
the high port target register on the hb with

CFMWS interleave ways = 1
hb with 8 rp with a type3 device connected to each.

The resulting interleave granularity isn't what I'd expect to see.
Setting region interleave to 1k (which happens to match the CFMWS)
I'm getting 1k for the CFMWS, 2k for the hb and 256 bytes for the type3
devices.  Which is crazy...  Now there may be another bug lurking
in QEMU so this might not be a kernel issue at all.

For this special case we should be ignoring the CFMWS IG
as it's irrelevant if we aren't interleaving at that level.
We also know we don't have any address bits used for interleave
decoding until the HB.

Thanks,

Jonathan


> Changes since v1 [1]:
> - Move 19 patches that have received a Reviewed-by to the 'pending'
>   branch in cxl.git (Thanks Alison, Adam, and Jonathan!)
> - Improve the changelog and add more Cc's to "cxl/acpi: Track CXL
>   resources in iomem_resource" and highlight the new export of
>   insert_resource_expand_to_fit()
> - Switch all occurrences of the pattern "rc = -ECODE; if (condition)
>   goto err;" to "if (condition) { rc = -ECODE; goto err; }" (Jonathan)
> - Re-organize all the cxl_{root,switch,endpoint}_decoder() patches to
>   move the decoder-type-specific setup into the decoder-type-specific
>   allocation routines (Jonathan)
> - Add kdoc to clarify the behavior of add_cxl_resources() (Jonathan)
> - Add IORES_DESC_CXL for kernel components like EDAC to determine when
>   they might be dealing with a CXL address range (Tony)
> - Drop usage of dev_set_drvdata() for passing @cxl_res (Jonathan)
> - Drop @remove_action argument to __cxl_dpa_release(), make it behave
>   like any other devm_<free> helper (Jonathan)
> - Clarify 'skip' vs 'skipped' in DPA handling helpers (Jonathan)
> - Clarify why port teardown no proceeds under the lock with the
>   conversion from list to xarray (Jonathan)
> - Revert rename of cxl_find_dport_by_dev() (Jonathan)
> - Fold down_read() / up_write() mismatch fix to the patch that
>   introduced the problem (Jonathan)
> - Fix description of interleave_ways and interleave_granularity in the
>   sysfs ABI document
> - Clarify tangential cleanups in "resource: Introduce
>   alloc_free_mem_region()" (Jonathan)
> - Clarify rationale for the region creation / naming ABI (Jonathan)
> - Add SET_CXL_REGION_ATTR() to supplement CXL_REGION_ATTR() the former
>   is used to optionally added region attributes to an attribute list
>   (position independent) and the latter is used to retrieve a pointer to
>   the attribute in code.  (Jonathan)
> - For writes to region attributes allow the same value to be written
>   multiple times without error (Jonathan)
> - Clarify the actions performed by cxl_port_attach_region() (Jonathan)
> - Commit message spelling fixes (Alison and Jonathan)
> - Rename cxl_dpa_resource() => cxl_dpa_resource_start() (Jonathan)
> - Reword error message in cxl_parse_cfmws() (Adam)
> - Keep @expected_len signed in cxl_acpi_cfmws_verify() (Jonathan)
> - Miscellaneous formatting and doc fixes (Jonathan)
> - Rename port->dpa_end port->hdm_end (Jonathan)
> - Rename unregister_region() => unregister_nvdimm_region() (Jonathan)
> 
> [1]: https://lore.kernel.org/linux-cxl/165603869943.551046.3498980330327696732.stgit@dwillia2-xfh
> 
> ---
> 
> Until the CXL 2.0 definition arrived there was little reason for OS
> drivers to care about CXL memory expanders. Similar to DDR they just
> implemented a physical address range that was described to the OS by
> platform firmware (EFI Memory Map + ACPI SRAT/SLIT/HMAT etc). The CXL
> 2.0 definition adds support for PMEM, hotplug, switch topologies, and
> device-interleaving which exceeds the limits of what can be reasonably
> abstracted by EFI + ACPI mechanisms. As a result, Linux needs a native
> capability to provision new CXL regions.
> 
> The term "region" is the same term that originated in the LIBNVDIMM
> implementation to describe a host physical / system physical address
> range. For PMEM a region is a persistent memory range that can be
> further sub-divided into namespaces. For CXL there are three
> classifications of regions:
> - PMEM: set up by CXL native tooling and persisted in CXL region labels
> 
> - RAM: set up dynamically by CXL native tooling after hotplug events, or
>   leftover capacity not mapped by platform firmware. Any persistent
>   configuration would come from set up scripts / configuration files in
>   userspace.
> 
> - System RAM: set up by platform firmware and described by EFI + ACPI
>   metadata, these regions are static.
> 
> For now, these patches implement just PMEM regions without region label
> support. Note though that the infrastructure routines like
> cxl_region_attach() and cxl_region_setup_targets() are building blocks
> for region-label support, provisioning RAM regions, and enumerating
> System RAM regions.
> 
> The general flow for provisioning a CXL region is to:
> - Find a device or set of devices with available device-physical-address
>   (DPA) capacity
> 
> - Find a platform CXL window that has free capacity to map a new region
>   and that is able to target the devices in the previous step.
> 
> - Allocate DPA according to the CXL specification rules of sequential
>   enabling of decoders by id and when a device hosts multiple decoders
>   make sure that lower-id decoders map lower HPA and higher-id decoders
>   map higher HPA.
> 
> - Assign endpoint decoders to a region and validate that the switching
>   topology supports the requested configuration. Recall that
>   interleaving is governed by modulo or xormap math that constrains which
>   device can support which positions in a given region interleave.
> 
> - Program all the decoders an all endpoints and participating switches
>   to bring the new address range online.
> 
> Once the range is online then existing drivers like LIBNVDIMM or
> device-dax can manage the memory range as if the ACPI BIOS had conveyed
> its parameters at boot.
> 
> This patch kit is the result of significant amounts of path finding work
> [2] and long discussions with Ben. Thank you Ben for all that work!
> Where the patches in this kit go in a different design direction than
> the RFC, the authorship is changed and a Co-developed-by is added mainly
> so I get blamed for the bad decisions and not Ben. The major updates
> from that last posting are:
> 
> - all CXL resources are reflected in full in iomem_resource
> 
> - host-physical-address (HPA) range allocation moves to a
>   devm_request_free_mem_region() derivative
> 
> - locking moves to two global rwsems, one for DPA / endpoint decoders
>   and one for HPA / regions.
> 
> - the existing port scanning path is augmented to cache more topology
>   information rather than recreate it at region creation time
> 
> [2]: https://lore.kernel.org/r/20220413183720.2444089-1-ben.widawsky@intel.com
> 
> ---
> 
> Ben Widawsky (4):
>       cxl/hdm: Add sysfs attributes for interleave ways + granularity
>       cxl/region: Add region creation support
>       cxl/region: Add a 'uuid' attribute
>       cxl/region: Add interleave geometry attributes
> 
> Dan Williams (24):
>       Documentation/cxl: Use a double line break between entries
>       cxl/core: Define a 'struct cxl_switch_decoder'
>       cxl/acpi: Track CXL resources in iomem_resource
>       cxl/core: Define a 'struct cxl_root_decoder'
>       cxl/core: Define a 'struct cxl_endpoint_decoder'
>       cxl/hdm: Enumerate allocated DPA
>       cxl/hdm: Add 'mode' attribute to decoder objects
>       cxl/hdm: Track next decoder to allocate
>       cxl/hdm: Add support for allocating DPA to an endpoint decoder
>       cxl/port: Record dport in endpoint references
>       cxl/port: Record parent dport when adding ports
>       cxl/port: Move 'cxl_ep' references to an xarray per port
>       cxl/port: Move dport tracking to an xarray
>       cxl/mem: Enumerate port targets before adding endpoints
>       resource: Introduce alloc_free_mem_region()
>       cxl/region: Allocate HPA capacity to regions
>       cxl/region: Enable the assignment of endpoint decoders to regions
>       cxl/acpi: Add a host-bridge index lookup mechanism
>       cxl/region: Attach endpoint decoders
>       cxl/region: Program target lists
>       cxl/hdm: Commit decoder state to hardware
>       cxl/region: Add region driver boiler plate
>       cxl/pmem: Fix offline_nvdimm_bus() to offline by bridge
>       cxl/region: Introduce cxl_pmem_region objects
> 
> 
>  Documentation/ABI/testing/sysfs-bus-cxl         |  213 +++
>  Documentation/driver-api/cxl/memory-devices.rst |   11 
>  drivers/cxl/Kconfig                             |    8 
>  drivers/cxl/acpi.c                              |  185 ++
>  drivers/cxl/core/Makefile                       |    1 
>  drivers/cxl/core/core.h                         |   49 +
>  drivers/cxl/core/hdm.c                          |  623 +++++++-
>  drivers/cxl/core/pmem.c                         |    4 
>  drivers/cxl/core/port.c                         |  669 ++++++--
>  drivers/cxl/core/region.c                       | 1830 +++++++++++++++++++++++
>  drivers/cxl/cxl.h                               |  263 +++
>  drivers/cxl/cxlmem.h                            |   18 
>  drivers/cxl/mem.c                               |   32 
>  drivers/cxl/pmem.c                              |  259 +++
>  drivers/nvdimm/region_devs.c                    |   28 
>  include/linux/ioport.h                          |    3 
>  include/linux/libnvdimm.h                       |    5 
>  kernel/resource.c                               |  185 ++
>  mm/Kconfig                                      |    5 
>  tools/testing/cxl/Kbuild                        |    1 
>  tools/testing/cxl/test/cxl.c                    |   75 +
>  21 files changed, 4156 insertions(+), 311 deletions(-)
>  create mode 100644 drivers/cxl/core/region.c
> 
> base-commit: b060edfd8cdd52bc8648392500bf152a8dd6d4c5

Re: [PATCH v2 06/28] cxl/hdm: Enumerate allocated DPA

[Dan Williams]

Jonathan Cameron wrote:
> On Thu, 14 Jul 2022 17:01:16 -0700
> Dan Williams <dan.j.williams@intel.com> wrote:
> 
> > In preparation for provisioning CXL regions, add accounting for the DPA
> > space consumed by existing regions / decoders. Recall, a CXL region is a
> > memory range comprised from one or more endpoint devices contributing a
> > mapping of their DPA into HPA space through a decoder.
> > 
> > Record the DPA ranges covered by committed decoders at initial probe of
> > endpoint ports relative to a per-device resource tree of the DPA type
> > (pmem or volatile-ram).
> > 
> > The cxl_dpa_rwsem semaphore is introduced to globally synchronize DPA
> > state across all endpoints and their decoders at once. The vast majority
> > of DPA operations are reads as region creation is expected to be as rare
> > as disk partitioning and volume creation. The device_lock() for this
> > synchronization is specifically avoided for concern of entangling with
> > sysfs attribute removal.
> > 
> > Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
> > Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
> > Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
> 
> One trivial ordering question inline. I'm not that bothered whether you
> do anything about it though as it's all very local.
> 
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> 
> > ---
> >  drivers/cxl/core/hdm.c |  143 ++++++++++++++++++++++++++++++++++++++++++++----
> >  drivers/cxl/cxl.h      |    2 +
> >  drivers/cxl/cxlmem.h   |   13 ++++
> >  3 files changed, 147 insertions(+), 11 deletions(-)
> > 
> > diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
> > index 650363d5272f..d4c17325001b 100644
> > --- a/drivers/cxl/core/hdm.c
> > +++ b/drivers/cxl/core/hdm.c
> > @@ -153,10 +153,105 @@ void cxl_dpa_debug(struct seq_file *file, struct cxl_dev_state *cxlds)
> >  }
> >  EXPORT_SYMBOL_NS_GPL(cxl_dpa_debug, CXL);
> >  
> > +/*
> > + * Must be called in a context that synchronizes against this decoder's
> > + * port ->remove() callback (like an endpoint decoder sysfs attribute)
> > + */
> > +static void __cxl_dpa_release(struct cxl_endpoint_decoder *cxled)
> > +{
> > +	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
> > +	struct cxl_dev_state *cxlds = cxlmd->cxlds;
> > +	struct resource *res = cxled->dpa_res;
> > +
> > +	lockdep_assert_held_write(&cxl_dpa_rwsem);
> > +
> > +	if (cxled->skip)
> > +		__release_region(&cxlds->dpa_res, res->start - cxled->skip,
> > +				 cxled->skip);
> > +	cxled->skip = 0;
> > +	__release_region(&cxlds->dpa_res, res->start, resource_size(res));
> 
> Minor but I think the ordering in here is unnecessarily not the opposite
> of what is going on in __cxl_dpa_reserve()  Should be releasing the
> actual rs first, then releasing the skip.

Done.

RE: [PATCH v2 16/28] resource: Introduce alloc_free_mem_region()

[Dan Williams]

[ add dri-devel and nouveau ]

Dan Williams wrote:
> The core of devm_request_free_mem_region() is a helper that searches for
> free space in iomem_resource and performs __request_region_locked() on
> the result of that search. The policy choices of the implementation
> conform to what CONFIG_DEVICE_PRIVATE users want which is memory that is
> immediately marked busy, and a preference to search for the first-fit
> free range in descending order from the top of the physical address
> space.
> 
> CXL has a need for a similar allocator, but with the following tweaks:
> 
> 1/ Search for free space in ascending order
> 
> 2/ Search for free space relative to a given CXL window
> 
> 3/ 'insert' rather than 'request' the new resource given downstream
>    drivers from the CXL Region driver (like the pmem or dax drivers) are
>    responsible for request_mem_region() when they activate the memory
>    range.
> 
> Rework __request_free_mem_region() into get_free_mem_region() which
> takes a set of GFR_* (Get Free Region) flags to control the allocation
> policy (ascending vs descending), and "busy" policy (insert_resource()
> vs request_region()).
> 
> As part of the consolidation of the legacy GFR_REQUEST_REGION case with
> the new default of just inserting a new resource into the free space
> some minor cleanups like not checking for NULL before calling
> devres_free() (which does its own check) is included.
> 
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Link: https://lore.kernel.org/linux-cxl/20220420143406.GY2120790@nvidia.com/
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Christoph Hellwig <hch@lst.de>

Jason, Christoph, anyone else that depends on CONFIG_DEVICE_PRIVATE,

Just a heads up that with Jonathan's review I am going to proceed with
pushing this change to linux-next. Please holler if
CONFIG_DEVICE_PRIVATE starts misbehaving, or if you have other feedback,
and I will get it fixed up.

> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
>  include/linux/ioport.h |    2 +
>  kernel/resource.c      |  178 +++++++++++++++++++++++++++++++++++++++---------
>  mm/Kconfig             |    5 +
>  3 files changed, 150 insertions(+), 35 deletions(-)
> 
> diff --git a/include/linux/ioport.h b/include/linux/ioport.h
> index 79d1ad6d6275..616b683563a9 100644
> --- a/include/linux/ioport.h
> +++ b/include/linux/ioport.h
> @@ -330,6 +330,8 @@ struct resource *devm_request_free_mem_region(struct device *dev,
>  		struct resource *base, unsigned long size);
>  struct resource *request_free_mem_region(struct resource *base,
>  		unsigned long size, const char *name);
> +struct resource *alloc_free_mem_region(struct resource *base,
> +		unsigned long size, unsigned long align, const char *name);
>  
>  static inline void irqresource_disabled(struct resource *res, u32 irq)
>  {
> diff --git a/kernel/resource.c b/kernel/resource.c
> index 53a534db350e..4c5e80b92f2f 100644
> --- a/kernel/resource.c
> +++ b/kernel/resource.c
> @@ -489,8 +489,9 @@ int __weak page_is_ram(unsigned long pfn)
>  }
>  EXPORT_SYMBOL_GPL(page_is_ram);
>  
> -static int __region_intersects(resource_size_t start, size_t size,
> -			unsigned long flags, unsigned long desc)
> +static int __region_intersects(struct resource *parent, resource_size_t start,
> +			       size_t size, unsigned long flags,
> +			       unsigned long desc)
>  {
>  	struct resource res;
>  	int type = 0; int other = 0;
> @@ -499,7 +500,7 @@ static int __region_intersects(resource_size_t start, size_t size,
>  	res.start = start;
>  	res.end = start + size - 1;
>  
> -	for (p = iomem_resource.child; p ; p = p->sibling) {
> +	for (p = parent->child; p ; p = p->sibling) {
>  		bool is_type = (((p->flags & flags) == flags) &&
>  				((desc == IORES_DESC_NONE) ||
>  				 (desc == p->desc)));
> @@ -543,7 +544,7 @@ int region_intersects(resource_size_t start, size_t size, unsigned long flags,
>  	int ret;
>  
>  	read_lock(&resource_lock);
> -	ret = __region_intersects(start, size, flags, desc);
> +	ret = __region_intersects(&iomem_resource, start, size, flags, desc);
>  	read_unlock(&resource_lock);
>  
>  	return ret;
> @@ -1780,62 +1781,139 @@ void resource_list_free(struct list_head *head)
>  }
>  EXPORT_SYMBOL(resource_list_free);
>  
> -#ifdef CONFIG_DEVICE_PRIVATE
> -static struct resource *__request_free_mem_region(struct device *dev,
> -		struct resource *base, unsigned long size, const char *name)
> +#ifdef CONFIG_GET_FREE_REGION
> +#define GFR_DESCENDING		(1UL << 0)
> +#define GFR_REQUEST_REGION	(1UL << 1)
> +#define GFR_DEFAULT_ALIGN (1UL << PA_SECTION_SHIFT)
> +
> +static resource_size_t gfr_start(struct resource *base, resource_size_t size,
> +				 resource_size_t align, unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING) {
> +		resource_size_t end;
> +
> +		end = min_t(resource_size_t, base->end,
> +			    (1ULL << MAX_PHYSMEM_BITS) - 1);
> +		return end - size + 1;
> +	}
> +
> +	return ALIGN(base->start, align);
> +}
> +
> +static bool gfr_continue(struct resource *base, resource_size_t addr,
> +			 resource_size_t size, unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING)
> +		return addr > size && addr >= base->start;
> +	/*
> +	 * In the ascend case be careful that the last increment by
> +	 * @size did not wrap 0.
> +	 */
> +	return addr > addr - size &&
> +	       addr <= min_t(resource_size_t, base->end,
> +			     (1ULL << MAX_PHYSMEM_BITS) - 1);
> +}
> +
> +static resource_size_t gfr_next(resource_size_t addr, resource_size_t size,
> +				unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING)
> +		return addr - size;
> +	return addr + size;
> +}
> +
> +static void remove_free_mem_region(void *_res)
> +{
> +	struct resource *res = _res;
> +
> +	if (res->parent)
> +		remove_resource(res);
> +	free_resource(res);
> +}
> +
> +static struct resource *
> +get_free_mem_region(struct device *dev, struct resource *base,
> +		    resource_size_t size, const unsigned long align,
> +		    const char *name, const unsigned long desc,
> +		    const unsigned long flags)
>  {
> -	resource_size_t end, addr;
> +	resource_size_t addr;
>  	struct resource *res;
>  	struct region_devres *dr = NULL;
>  
> -	size = ALIGN(size, 1UL << PA_SECTION_SHIFT);
> -	end = min_t(unsigned long, base->end, (1UL << MAX_PHYSMEM_BITS) - 1);
> -	addr = end - size + 1UL;
> +	size = ALIGN(size, align);
>  
>  	res = alloc_resource(GFP_KERNEL);
>  	if (!res)
>  		return ERR_PTR(-ENOMEM);
>  
> -	if (dev) {
> +	if (dev && (flags & GFR_REQUEST_REGION)) {
>  		dr = devres_alloc(devm_region_release,
>  				sizeof(struct region_devres), GFP_KERNEL);
>  		if (!dr) {
>  			free_resource(res);
>  			return ERR_PTR(-ENOMEM);
>  		}
> +	} else if (dev) {
> +		if (devm_add_action_or_reset(dev, remove_free_mem_region, res))
> +			return ERR_PTR(-ENOMEM);
>  	}
>  
>  	write_lock(&resource_lock);
> -	for (; addr > size && addr >= base->start; addr -= size) {
> -		if (__region_intersects(addr, size, 0, IORES_DESC_NONE) !=
> -				REGION_DISJOINT)
> +	for (addr = gfr_start(base, size, align, flags);
> +	     gfr_continue(base, addr, size, flags);
> +	     addr = gfr_next(addr, size, flags)) {
> +		if (__region_intersects(base, addr, size, 0, IORES_DESC_NONE) !=
> +		    REGION_DISJOINT)
>  			continue;
>  
> -		if (__request_region_locked(res, &iomem_resource, addr, size,
> -						name, 0))
> -			break;
> +		if (flags & GFR_REQUEST_REGION) {
> +			if (__request_region_locked(res, &iomem_resource, addr,
> +						    size, name, 0))
> +				break;
>  
> -		if (dev) {
> -			dr->parent = &iomem_resource;
> -			dr->start = addr;
> -			dr->n = size;
> -			devres_add(dev, dr);
> -		}
> +			if (dev) {
> +				dr->parent = &iomem_resource;
> +				dr->start = addr;
> +				dr->n = size;
> +				devres_add(dev, dr);
> +			}
>  
> -		res->desc = IORES_DESC_DEVICE_PRIVATE_MEMORY;
> -		write_unlock(&resource_lock);
> +			res->desc = desc;
> +			write_unlock(&resource_lock);
> +
> +
> +			/*
> +			 * A driver is claiming this region so revoke any
> +			 * mappings.
> +			 */
> +			revoke_iomem(res);
> +		} else {
> +			res->start = addr;
> +			res->end = addr + size - 1;
> +			res->name = name;
> +			res->desc = desc;
> +			res->flags = IORESOURCE_MEM;
> +
> +			/*
> +			 * Only succeed if the resource hosts an exclusive
> +			 * range after the insert
> +			 */
> +			if (__insert_resource(base, res) || res->child)
> +				break;
> +
> +			write_unlock(&resource_lock);
> +		}
>  
> -		/*
> -		 * A driver is claiming this region so revoke any mappings.
> -		 */
> -		revoke_iomem(res);
>  		return res;
>  	}
>  	write_unlock(&resource_lock);
>  
> -	free_resource(res);
> -	if (dr)
> +	if (flags & GFR_REQUEST_REGION) {
> +		free_resource(res);
>  		devres_free(dr);
> +	} else if (dev)
> +		devm_release_action(dev, remove_free_mem_region, res);
>  
>  	return ERR_PTR(-ERANGE);
>  }
> @@ -1854,18 +1932,48 @@ static struct resource *__request_free_mem_region(struct device *dev,
>  struct resource *devm_request_free_mem_region(struct device *dev,
>  		struct resource *base, unsigned long size)
>  {
> -	return __request_free_mem_region(dev, base, size, dev_name(dev));
> +	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
> +
> +	return get_free_mem_region(dev, base, size, GFR_DEFAULT_ALIGN,
> +				   dev_name(dev),
> +				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
>  }
>  EXPORT_SYMBOL_GPL(devm_request_free_mem_region);
>  
>  struct resource *request_free_mem_region(struct resource *base,
>  		unsigned long size, const char *name)
>  {
> -	return __request_free_mem_region(NULL, base, size, name);
> +	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
> +
> +	return get_free_mem_region(NULL, base, size, GFR_DEFAULT_ALIGN, name,
> +				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
>  }
>  EXPORT_SYMBOL_GPL(request_free_mem_region);
>  
> -#endif /* CONFIG_DEVICE_PRIVATE */
> +/**
> + * alloc_free_mem_region - find a free region relative to @base
> + * @base: resource that will parent the new resource
> + * @size: size in bytes of memory to allocate from @base
> + * @align: alignment requirements for the allocation
> + * @name: resource name
> + *
> + * Buses like CXL, that can dynamically instantiate new memory regions,
> + * need a method to allocate physical address space for those regions.
> + * Allocate and insert a new resource to cover a free, unclaimed by a
> + * descendant of @base, range in the span of @base.
> + */
> +struct resource *alloc_free_mem_region(struct resource *base,
> +				       unsigned long size, unsigned long align,
> +				       const char *name)
> +{
> +	/* Default of ascending direction and insert resource */
> +	unsigned long flags = 0;
> +
> +	return get_free_mem_region(NULL, base, size, align, name,
> +				   IORES_DESC_NONE, flags);
> +}
> +EXPORT_SYMBOL_NS_GPL(alloc_free_mem_region, CXL);
> +#endif /* CONFIG_GET_FREE_REGION */
>  
>  static int __init strict_iomem(char *str)
>  {
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 169e64192e48..a5b4fee2e3fd 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -994,9 +994,14 @@ config HMM_MIRROR
>  	bool
>  	depends on MMU
>  
> +config GET_FREE_REGION
> +	depends on SPARSEMEM
> +	bool
> +
>  config DEVICE_PRIVATE
>  	bool "Unaddressable device memory (GPU memory, ...)"
>  	depends on ZONE_DEVICE
> +	select GET_FREE_REGION
>  
>  	help
>  	  Allows creation of struct pages to represent unaddressable device
> 

Re: [Nouveau] [PATCH v2 16/28] resource: Introduce alloc_free_mem_region()

[Dan Williams]

[ add dri-devel and nouveau ]

Dan Williams wrote:
> The core of devm_request_free_mem_region() is a helper that searches for
> free space in iomem_resource and performs __request_region_locked() on
> the result of that search. The policy choices of the implementation
> conform to what CONFIG_DEVICE_PRIVATE users want which is memory that is
> immediately marked busy, and a preference to search for the first-fit
> free range in descending order from the top of the physical address
> space.
> 
> CXL has a need for a similar allocator, but with the following tweaks:
> 
> 1/ Search for free space in ascending order
> 
> 2/ Search for free space relative to a given CXL window
> 
> 3/ 'insert' rather than 'request' the new resource given downstream
>    drivers from the CXL Region driver (like the pmem or dax drivers) are
>    responsible for request_mem_region() when they activate the memory
>    range.
> 
> Rework __request_free_mem_region() into get_free_mem_region() which
> takes a set of GFR_* (Get Free Region) flags to control the allocation
> policy (ascending vs descending), and "busy" policy (insert_resource()
> vs request_region()).
> 
> As part of the consolidation of the legacy GFR_REQUEST_REGION case with
> the new default of just inserting a new resource into the free space
> some minor cleanups like not checking for NULL before calling
> devres_free() (which does its own check) is included.
> 
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Link: https://lore.kernel.org/linux-cxl/20220420143406.GY2120790@nvidia.com/
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Christoph Hellwig <hch@lst.de>

Jason, Christoph, anyone else that depends on CONFIG_DEVICE_PRIVATE,

Just a heads up that with Jonathan's review I am going to proceed with
pushing this change to linux-next. Please holler if
CONFIG_DEVICE_PRIVATE starts misbehaving, or if you have other feedback,
and I will get it fixed up.

> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
>  include/linux/ioport.h |    2 +
>  kernel/resource.c      |  178 +++++++++++++++++++++++++++++++++++++++---------
>  mm/Kconfig             |    5 +
>  3 files changed, 150 insertions(+), 35 deletions(-)
> 
> diff --git a/include/linux/ioport.h b/include/linux/ioport.h
> index 79d1ad6d6275..616b683563a9 100644
> --- a/include/linux/ioport.h
> +++ b/include/linux/ioport.h
> @@ -330,6 +330,8 @@ struct resource *devm_request_free_mem_region(struct device *dev,
>  		struct resource *base, unsigned long size);
>  struct resource *request_free_mem_region(struct resource *base,
>  		unsigned long size, const char *name);
> +struct resource *alloc_free_mem_region(struct resource *base,
> +		unsigned long size, unsigned long align, const char *name);
>  
>  static inline void irqresource_disabled(struct resource *res, u32 irq)
>  {
> diff --git a/kernel/resource.c b/kernel/resource.c
> index 53a534db350e..4c5e80b92f2f 100644
> --- a/kernel/resource.c
> +++ b/kernel/resource.c
> @@ -489,8 +489,9 @@ int __weak page_is_ram(unsigned long pfn)
>  }
>  EXPORT_SYMBOL_GPL(page_is_ram);
>  
> -static int __region_intersects(resource_size_t start, size_t size,
> -			unsigned long flags, unsigned long desc)
> +static int __region_intersects(struct resource *parent, resource_size_t start,
> +			       size_t size, unsigned long flags,
> +			       unsigned long desc)
>  {
>  	struct resource res;
>  	int type = 0; int other = 0;
> @@ -499,7 +500,7 @@ static int __region_intersects(resource_size_t start, size_t size,
>  	res.start = start;
>  	res.end = start + size - 1;
>  
> -	for (p = iomem_resource.child; p ; p = p->sibling) {
> +	for (p = parent->child; p ; p = p->sibling) {
>  		bool is_type = (((p->flags & flags) == flags) &&
>  				((desc == IORES_DESC_NONE) ||
>  				 (desc == p->desc)));
> @@ -543,7 +544,7 @@ int region_intersects(resource_size_t start, size_t size, unsigned long flags,
>  	int ret;
>  
>  	read_lock(&resource_lock);
> -	ret = __region_intersects(start, size, flags, desc);
> +	ret = __region_intersects(&iomem_resource, start, size, flags, desc);
>  	read_unlock(&resource_lock);
>  
>  	return ret;
> @@ -1780,62 +1781,139 @@ void resource_list_free(struct list_head *head)
>  }
>  EXPORT_SYMBOL(resource_list_free);
>  
> -#ifdef CONFIG_DEVICE_PRIVATE
> -static struct resource *__request_free_mem_region(struct device *dev,
> -		struct resource *base, unsigned long size, const char *name)
> +#ifdef CONFIG_GET_FREE_REGION
> +#define GFR_DESCENDING		(1UL << 0)
> +#define GFR_REQUEST_REGION	(1UL << 1)
> +#define GFR_DEFAULT_ALIGN (1UL << PA_SECTION_SHIFT)
> +
> +static resource_size_t gfr_start(struct resource *base, resource_size_t size,
> +				 resource_size_t align, unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING) {
> +		resource_size_t end;
> +
> +		end = min_t(resource_size_t, base->end,
> +			    (1ULL << MAX_PHYSMEM_BITS) - 1);
> +		return end - size + 1;
> +	}
> +
> +	return ALIGN(base->start, align);
> +}
> +
> +static bool gfr_continue(struct resource *base, resource_size_t addr,
> +			 resource_size_t size, unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING)
> +		return addr > size && addr >= base->start;
> +	/*
> +	 * In the ascend case be careful that the last increment by
> +	 * @size did not wrap 0.
> +	 */
> +	return addr > addr - size &&
> +	       addr <= min_t(resource_size_t, base->end,
> +			     (1ULL << MAX_PHYSMEM_BITS) - 1);
> +}
> +
> +static resource_size_t gfr_next(resource_size_t addr, resource_size_t size,
> +				unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING)
> +		return addr - size;
> +	return addr + size;
> +}
> +
> +static void remove_free_mem_region(void *_res)
> +{
> +	struct resource *res = _res;
> +
> +	if (res->parent)
> +		remove_resource(res);
> +	free_resource(res);
> +}
> +
> +static struct resource *
> +get_free_mem_region(struct device *dev, struct resource *base,
> +		    resource_size_t size, const unsigned long align,
> +		    const char *name, const unsigned long desc,
> +		    const unsigned long flags)
>  {
> -	resource_size_t end, addr;
> +	resource_size_t addr;
>  	struct resource *res;
>  	struct region_devres *dr = NULL;
>  
> -	size = ALIGN(size, 1UL << PA_SECTION_SHIFT);
> -	end = min_t(unsigned long, base->end, (1UL << MAX_PHYSMEM_BITS) - 1);
> -	addr = end - size + 1UL;
> +	size = ALIGN(size, align);
>  
>  	res = alloc_resource(GFP_KERNEL);
>  	if (!res)
>  		return ERR_PTR(-ENOMEM);
>  
> -	if (dev) {
> +	if (dev && (flags & GFR_REQUEST_REGION)) {
>  		dr = devres_alloc(devm_region_release,
>  				sizeof(struct region_devres), GFP_KERNEL);
>  		if (!dr) {
>  			free_resource(res);
>  			return ERR_PTR(-ENOMEM);
>  		}
> +	} else if (dev) {
> +		if (devm_add_action_or_reset(dev, remove_free_mem_region, res))
> +			return ERR_PTR(-ENOMEM);
>  	}
>  
>  	write_lock(&resource_lock);
> -	for (; addr > size && addr >= base->start; addr -= size) {
> -		if (__region_intersects(addr, size, 0, IORES_DESC_NONE) !=
> -				REGION_DISJOINT)
> +	for (addr = gfr_start(base, size, align, flags);
> +	     gfr_continue(base, addr, size, flags);
> +	     addr = gfr_next(addr, size, flags)) {
> +		if (__region_intersects(base, addr, size, 0, IORES_DESC_NONE) !=
> +		    REGION_DISJOINT)
>  			continue;
>  
> -		if (__request_region_locked(res, &iomem_resource, addr, size,
> -						name, 0))
> -			break;
> +		if (flags & GFR_REQUEST_REGION) {
> +			if (__request_region_locked(res, &iomem_resource, addr,
> +						    size, name, 0))
> +				break;
>  
> -		if (dev) {
> -			dr->parent = &iomem_resource;
> -			dr->start = addr;
> -			dr->n = size;
> -			devres_add(dev, dr);
> -		}
> +			if (dev) {
> +				dr->parent = &iomem_resource;
> +				dr->start = addr;
> +				dr->n = size;
> +				devres_add(dev, dr);
> +			}
>  
> -		res->desc = IORES_DESC_DEVICE_PRIVATE_MEMORY;
> -		write_unlock(&resource_lock);
> +			res->desc = desc;
> +			write_unlock(&resource_lock);
> +
> +
> +			/*
> +			 * A driver is claiming this region so revoke any
> +			 * mappings.
> +			 */
> +			revoke_iomem(res);
> +		} else {
> +			res->start = addr;
> +			res->end = addr + size - 1;
> +			res->name = name;
> +			res->desc = desc;
> +			res->flags = IORESOURCE_MEM;
> +
> +			/*
> +			 * Only succeed if the resource hosts an exclusive
> +			 * range after the insert
> +			 */
> +			if (__insert_resource(base, res) || res->child)
> +				break;
> +
> +			write_unlock(&resource_lock);
> +		}
>  
> -		/*
> -		 * A driver is claiming this region so revoke any mappings.
> -		 */
> -		revoke_iomem(res);
>  		return res;
>  	}
>  	write_unlock(&resource_lock);
>  
> -	free_resource(res);
> -	if (dr)
> +	if (flags & GFR_REQUEST_REGION) {
> +		free_resource(res);
>  		devres_free(dr);
> +	} else if (dev)
> +		devm_release_action(dev, remove_free_mem_region, res);
>  
>  	return ERR_PTR(-ERANGE);
>  }
> @@ -1854,18 +1932,48 @@ static struct resource *__request_free_mem_region(struct device *dev,
>  struct resource *devm_request_free_mem_region(struct device *dev,
>  		struct resource *base, unsigned long size)
>  {
> -	return __request_free_mem_region(dev, base, size, dev_name(dev));
> +	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
> +
> +	return get_free_mem_region(dev, base, size, GFR_DEFAULT_ALIGN,
> +				   dev_name(dev),
> +				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
>  }
>  EXPORT_SYMBOL_GPL(devm_request_free_mem_region);
>  
>  struct resource *request_free_mem_region(struct resource *base,
>  		unsigned long size, const char *name)
>  {
> -	return __request_free_mem_region(NULL, base, size, name);
> +	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
> +
> +	return get_free_mem_region(NULL, base, size, GFR_DEFAULT_ALIGN, name,
> +				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
>  }
>  EXPORT_SYMBOL_GPL(request_free_mem_region);
>  
> -#endif /* CONFIG_DEVICE_PRIVATE */
> +/**
> + * alloc_free_mem_region - find a free region relative to @base
> + * @base: resource that will parent the new resource
> + * @size: size in bytes of memory to allocate from @base
> + * @align: alignment requirements for the allocation
> + * @name: resource name
> + *
> + * Buses like CXL, that can dynamically instantiate new memory regions,
> + * need a method to allocate physical address space for those regions.
> + * Allocate and insert a new resource to cover a free, unclaimed by a
> + * descendant of @base, range in the span of @base.
> + */
> +struct resource *alloc_free_mem_region(struct resource *base,
> +				       unsigned long size, unsigned long align,
> +				       const char *name)
> +{
> +	/* Default of ascending direction and insert resource */
> +	unsigned long flags = 0;
> +
> +	return get_free_mem_region(NULL, base, size, align, name,
> +				   IORES_DESC_NONE, flags);
> +}
> +EXPORT_SYMBOL_NS_GPL(alloc_free_mem_region, CXL);
> +#endif /* CONFIG_GET_FREE_REGION */
>  
>  static int __init strict_iomem(char *str)
>  {
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 169e64192e48..a5b4fee2e3fd 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -994,9 +994,14 @@ config HMM_MIRROR
>  	bool
>  	depends on MMU
>  
> +config GET_FREE_REGION
> +	depends on SPARSEMEM
> +	bool
> +
>  config DEVICE_PRIVATE
>  	bool "Unaddressable device memory (GPU memory, ...)"
>  	depends on ZONE_DEVICE
> +	select GET_FREE_REGION
>  
>  	help
>  	  Allows creation of struct pages to represent unaddressable device
> 

RE: [PATCH v2 16/28] resource: Introduce alloc_free_mem_region()

[Dan Williams]

[ add dri-devel and nouveau ]

Dan Williams wrote:
> The core of devm_request_free_mem_region() is a helper that searches for
> free space in iomem_resource and performs __request_region_locked() on
> the result of that search. The policy choices of the implementation
> conform to what CONFIG_DEVICE_PRIVATE users want which is memory that is
> immediately marked busy, and a preference to search for the first-fit
> free range in descending order from the top of the physical address
> space.
> 
> CXL has a need for a similar allocator, but with the following tweaks:
> 
> 1/ Search for free space in ascending order
> 
> 2/ Search for free space relative to a given CXL window
> 
> 3/ 'insert' rather than 'request' the new resource given downstream
>    drivers from the CXL Region driver (like the pmem or dax drivers) are
>    responsible for request_mem_region() when they activate the memory
>    range.
> 
> Rework __request_free_mem_region() into get_free_mem_region() which
> takes a set of GFR_* (Get Free Region) flags to control the allocation
> policy (ascending vs descending), and "busy" policy (insert_resource()
> vs request_region()).
> 
> As part of the consolidation of the legacy GFR_REQUEST_REGION case with
> the new default of just inserting a new resource into the free space
> some minor cleanups like not checking for NULL before calling
> devres_free() (which does its own check) is included.
> 
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Link: https://lore.kernel.org/linux-cxl/20220420143406.GY2120790@nvidia.com/
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Christoph Hellwig <hch@lst.de>

Jason, Christoph, anyone else that depends on CONFIG_DEVICE_PRIVATE,

Just a heads up that with Jonathan's review I am going to proceed with
pushing this change to linux-next. Please holler if
CONFIG_DEVICE_PRIVATE starts misbehaving, or if you have other feedback,
and I will get it fixed up.

> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
>  include/linux/ioport.h |    2 +
>  kernel/resource.c      |  178 +++++++++++++++++++++++++++++++++++++++---------
>  mm/Kconfig             |    5 +
>  3 files changed, 150 insertions(+), 35 deletions(-)
> 
> diff --git a/include/linux/ioport.h b/include/linux/ioport.h
> index 79d1ad6d6275..616b683563a9 100644
> --- a/include/linux/ioport.h
> +++ b/include/linux/ioport.h
> @@ -330,6 +330,8 @@ struct resource *devm_request_free_mem_region(struct device *dev,
>  		struct resource *base, unsigned long size);
>  struct resource *request_free_mem_region(struct resource *base,
>  		unsigned long size, const char *name);
> +struct resource *alloc_free_mem_region(struct resource *base,
> +		unsigned long size, unsigned long align, const char *name);
>  
>  static inline void irqresource_disabled(struct resource *res, u32 irq)
>  {
> diff --git a/kernel/resource.c b/kernel/resource.c
> index 53a534db350e..4c5e80b92f2f 100644
> --- a/kernel/resource.c
> +++ b/kernel/resource.c
> @@ -489,8 +489,9 @@ int __weak page_is_ram(unsigned long pfn)
>  }
>  EXPORT_SYMBOL_GPL(page_is_ram);
>  
> -static int __region_intersects(resource_size_t start, size_t size,
> -			unsigned long flags, unsigned long desc)
> +static int __region_intersects(struct resource *parent, resource_size_t start,
> +			       size_t size, unsigned long flags,
> +			       unsigned long desc)
>  {
>  	struct resource res;
>  	int type = 0; int other = 0;
> @@ -499,7 +500,7 @@ static int __region_intersects(resource_size_t start, size_t size,
>  	res.start = start;
>  	res.end = start + size - 1;
>  
> -	for (p = iomem_resource.child; p ; p = p->sibling) {
> +	for (p = parent->child; p ; p = p->sibling) {
>  		bool is_type = (((p->flags & flags) == flags) &&
>  				((desc == IORES_DESC_NONE) ||
>  				 (desc == p->desc)));
> @@ -543,7 +544,7 @@ int region_intersects(resource_size_t start, size_t size, unsigned long flags,
>  	int ret;
>  
>  	read_lock(&resource_lock);
> -	ret = __region_intersects(start, size, flags, desc);
> +	ret = __region_intersects(&iomem_resource, start, size, flags, desc);
>  	read_unlock(&resource_lock);
>  
>  	return ret;
> @@ -1780,62 +1781,139 @@ void resource_list_free(struct list_head *head)
>  }
>  EXPORT_SYMBOL(resource_list_free);
>  
> -#ifdef CONFIG_DEVICE_PRIVATE
> -static struct resource *__request_free_mem_region(struct device *dev,
> -		struct resource *base, unsigned long size, const char *name)
> +#ifdef CONFIG_GET_FREE_REGION
> +#define GFR_DESCENDING		(1UL << 0)
> +#define GFR_REQUEST_REGION	(1UL << 1)
> +#define GFR_DEFAULT_ALIGN (1UL << PA_SECTION_SHIFT)
> +
> +static resource_size_t gfr_start(struct resource *base, resource_size_t size,
> +				 resource_size_t align, unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING) {
> +		resource_size_t end;
> +
> +		end = min_t(resource_size_t, base->end,
> +			    (1ULL << MAX_PHYSMEM_BITS) - 1);
> +		return end - size + 1;
> +	}
> +
> +	return ALIGN(base->start, align);
> +}
> +
> +static bool gfr_continue(struct resource *base, resource_size_t addr,
> +			 resource_size_t size, unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING)
> +		return addr > size && addr >= base->start;
> +	/*
> +	 * In the ascend case be careful that the last increment by
> +	 * @size did not wrap 0.
> +	 */
> +	return addr > addr - size &&
> +	       addr <= min_t(resource_size_t, base->end,
> +			     (1ULL << MAX_PHYSMEM_BITS) - 1);
> +}
> +
> +static resource_size_t gfr_next(resource_size_t addr, resource_size_t size,
> +				unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING)
> +		return addr - size;
> +	return addr + size;
> +}
> +
> +static void remove_free_mem_region(void *_res)
> +{
> +	struct resource *res = _res;
> +
> +	if (res->parent)
> +		remove_resource(res);
> +	free_resource(res);
> +}
> +
> +static struct resource *
> +get_free_mem_region(struct device *dev, struct resource *base,
> +		    resource_size_t size, const unsigned long align,
> +		    const char *name, const unsigned long desc,
> +		    const unsigned long flags)
>  {
> -	resource_size_t end, addr;
> +	resource_size_t addr;
>  	struct resource *res;
>  	struct region_devres *dr = NULL;
>  
> -	size = ALIGN(size, 1UL << PA_SECTION_SHIFT);
> -	end = min_t(unsigned long, base->end, (1UL << MAX_PHYSMEM_BITS) - 1);
> -	addr = end - size + 1UL;
> +	size = ALIGN(size, align);
>  
>  	res = alloc_resource(GFP_KERNEL);
>  	if (!res)
>  		return ERR_PTR(-ENOMEM);
>  
> -	if (dev) {
> +	if (dev && (flags & GFR_REQUEST_REGION)) {
>  		dr = devres_alloc(devm_region_release,
>  				sizeof(struct region_devres), GFP_KERNEL);
>  		if (!dr) {
>  			free_resource(res);
>  			return ERR_PTR(-ENOMEM);
>  		}
> +	} else if (dev) {
> +		if (devm_add_action_or_reset(dev, remove_free_mem_region, res))
> +			return ERR_PTR(-ENOMEM);
>  	}
>  
>  	write_lock(&resource_lock);
> -	for (; addr > size && addr >= base->start; addr -= size) {
> -		if (__region_intersects(addr, size, 0, IORES_DESC_NONE) !=
> -				REGION_DISJOINT)
> +	for (addr = gfr_start(base, size, align, flags);
> +	     gfr_continue(base, addr, size, flags);
> +	     addr = gfr_next(addr, size, flags)) {
> +		if (__region_intersects(base, addr, size, 0, IORES_DESC_NONE) !=
> +		    REGION_DISJOINT)
>  			continue;
>  
> -		if (__request_region_locked(res, &iomem_resource, addr, size,
> -						name, 0))
> -			break;
> +		if (flags & GFR_REQUEST_REGION) {
> +			if (__request_region_locked(res, &iomem_resource, addr,
> +						    size, name, 0))
> +				break;
>  
> -		if (dev) {
> -			dr->parent = &iomem_resource;
> -			dr->start = addr;
> -			dr->n = size;
> -			devres_add(dev, dr);
> -		}
> +			if (dev) {
> +				dr->parent = &iomem_resource;
> +				dr->start = addr;
> +				dr->n = size;
> +				devres_add(dev, dr);
> +			}
>  
> -		res->desc = IORES_DESC_DEVICE_PRIVATE_MEMORY;
> -		write_unlock(&resource_lock);
> +			res->desc = desc;
> +			write_unlock(&resource_lock);
> +
> +
> +			/*
> +			 * A driver is claiming this region so revoke any
> +			 * mappings.
> +			 */
> +			revoke_iomem(res);
> +		} else {
> +			res->start = addr;
> +			res->end = addr + size - 1;
> +			res->name = name;
> +			res->desc = desc;
> +			res->flags = IORESOURCE_MEM;
> +
> +			/*
> +			 * Only succeed if the resource hosts an exclusive
> +			 * range after the insert
> +			 */
> +			if (__insert_resource(base, res) || res->child)
> +				break;
> +
> +			write_unlock(&resource_lock);
> +		}
>  
> -		/*
> -		 * A driver is claiming this region so revoke any mappings.
> -		 */
> -		revoke_iomem(res);
>  		return res;
>  	}
>  	write_unlock(&resource_lock);
>  
> -	free_resource(res);
> -	if (dr)
> +	if (flags & GFR_REQUEST_REGION) {
> +		free_resource(res);
>  		devres_free(dr);
> +	} else if (dev)
> +		devm_release_action(dev, remove_free_mem_region, res);
>  
>  	return ERR_PTR(-ERANGE);
>  }
> @@ -1854,18 +1932,48 @@ static struct resource *__request_free_mem_region(struct device *dev,
>  struct resource *devm_request_free_mem_region(struct device *dev,
>  		struct resource *base, unsigned long size)
>  {
> -	return __request_free_mem_region(dev, base, size, dev_name(dev));
> +	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
> +
> +	return get_free_mem_region(dev, base, size, GFR_DEFAULT_ALIGN,
> +				   dev_name(dev),
> +				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
>  }
>  EXPORT_SYMBOL_GPL(devm_request_free_mem_region);
>  
>  struct resource *request_free_mem_region(struct resource *base,
>  		unsigned long size, const char *name)
>  {
> -	return __request_free_mem_region(NULL, base, size, name);
> +	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
> +
> +	return get_free_mem_region(NULL, base, size, GFR_DEFAULT_ALIGN, name,
> +				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
>  }
>  EXPORT_SYMBOL_GPL(request_free_mem_region);
>  
> -#endif /* CONFIG_DEVICE_PRIVATE */
> +/**
> + * alloc_free_mem_region - find a free region relative to @base
> + * @base: resource that will parent the new resource
> + * @size: size in bytes of memory to allocate from @base
> + * @align: alignment requirements for the allocation
> + * @name: resource name
> + *
> + * Buses like CXL, that can dynamically instantiate new memory regions,
> + * need a method to allocate physical address space for those regions.
> + * Allocate and insert a new resource to cover a free, unclaimed by a
> + * descendant of @base, range in the span of @base.
> + */
> +struct resource *alloc_free_mem_region(struct resource *base,
> +				       unsigned long size, unsigned long align,
> +				       const char *name)
> +{
> +	/* Default of ascending direction and insert resource */
> +	unsigned long flags = 0;
> +
> +	return get_free_mem_region(NULL, base, size, align, name,
> +				   IORES_DESC_NONE, flags);
> +}
> +EXPORT_SYMBOL_NS_GPL(alloc_free_mem_region, CXL);
> +#endif /* CONFIG_GET_FREE_REGION */
>  
>  static int __init strict_iomem(char *str)
>  {
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 169e64192e48..a5b4fee2e3fd 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -994,9 +994,14 @@ config HMM_MIRROR
>  	bool
>  	depends on MMU
>  
> +config GET_FREE_REGION
> +	depends on SPARSEMEM
> +	bool
> +
>  config DEVICE_PRIVATE
>  	bool "Unaddressable device memory (GPU memory, ...)"
>  	depends on ZONE_DEVICE
> +	select GET_FREE_REGION
>  
>  	help
>  	  Allows creation of struct pages to represent unaddressable device
> 

Re: [PATCH v2 00/28] CXL PMEM Region Provisioning

[Dan Williams]

Jonathan Cameron wrote:
> On Thu, 14 Jul 2022 17:00:41 -0700
> Dan Williams <dan.j.williams@intel.com> wrote:
> 
> 
> Hi Dan,
> 
> I'm low on time unfortunately and will be OoO for next week,
> But whilst fixing a bug in QEMU, I set up a test to exercise
> the high port target register on the hb with
> 
> CFMWS interleave ways = 1
> hb with 8 rp with a type3 device connected to each.
> 
> The resulting interleave granularity isn't what I'd expect to see.
> Setting region interleave to 1k (which happens to match the CFMWS)
> I'm getting 1k for the CFMWS, 2k for the hb and 256 bytes for the type3
> devices.  Which is crazy...  Now there may be another bug lurking
> in QEMU so this might not be a kernel issue at all.

Potentially, I will note that there seems to be a QEMU issue, that I
have not had time to dig into, that is preventing region creation
compared to other environments, maybe this is it...

> For this special case we should be ignoring the CFMWS IG
> as it's irrelevant if we aren't interleaving at that level.
> We also know we don't have any address bits used for interleave
> decoding until the HB.

...but I am certain that the drvier implementation is not accounting for
the freedom to specify any granularity when the CFMWS interleave is x1.
Will craft an incremental fix.

Re: [PATCH v2 24/28] cxl/region: Program target lists

[Dan Williams]

Jonathan Cameron wrote:
> On Thu, 14 Jul 2022 17:02:58 -0700
> Dan Williams <dan.j.williams@intel.com> wrote:
> 
> > Once the region's interleave geometry (ways, granularity, size) is
> > established and all the endpoint decoder targets are assigned, the next
> > phase is to program all the intermediate decoders. Specifically, each
> > CXL switch in the path between the endpoint and its CXL host-bridge
> > (including the logical switch internal to the host-bridge) needs to have
> > its decoders programmed and the target list order assigned.
> > 
> > The difficulty in this implementation lies in determining which endpoint
> > decoder ordering combinations are valid. Consider the cxl_test case of 2
> > host bridges, each of those host-bridges attached to 2 switches, and
> > each of those switches attached to 2 endpoints for a potential 8-way
> > interleave. The x2 interleave at the host-bridge level requires that all
> > even numbered endpoint decoder positions be located on the "left" hand
> > side of the topology tree, and the odd numbered positions on the other.
> > The endpoints that are peers on the same switch need to have a position
> > that can be routed with a dedicated address bit per-endpoint. See
> > check_last_peer() for the details.
> > 
> > Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> 
> I'm less confident on this one than most the other patches (and I see I skipped
> reviewing it in v1) as I haven't closely checked the verification logic
> but except for one trivial comment inline it looks fine to me.
> I want to hit the whole series with a wide range of test cases (I'm sure you
> already have) to build that confidence, but won't have time to do that till early
> August. However, if there are gremlins hiding, I'd expect them to be minor.
> 
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> 
> > diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> > index 8ac0c557f6aa..225340529fc3 100644
> > --- a/drivers/cxl/core/region.c
> > +++ b/drivers/cxl/core/region.c
> > @@ -485,6 +485,7 @@ static struct cxl_region_ref *alloc_region_ref(struct cxl_port *port,
> >  		return NULL;
> >  	cxl_rr->port = port;
> >  	cxl_rr->region = cxlr;
> > +	cxl_rr->nr_targets = 1;
> >  	xa_init(&cxl_rr->endpoints);
> >  
> >  	rc = xa_insert(&port->regions, (unsigned long)cxlr, cxl_rr, GFP_KERNEL);
> > @@ -525,10 +526,12 @@ static int cxl_rr_ep_add(struct cxl_region_ref *cxl_rr,
> >  	struct cxl_decoder *cxld = cxl_rr->decoder;
> >  	struct cxl_ep *ep = cxl_ep_load(port, cxled_to_memdev(cxled));
> >  
> > -	rc = xa_insert(&cxl_rr->endpoints, (unsigned long)cxled, ep,
> > -			 GFP_KERNEL);
> > -	if (rc)
> > -		return rc;
> > +	if (ep) {
> > +		rc = xa_insert(&cxl_rr->endpoints, (unsigned long)cxled, ep,
> > +			       GFP_KERNEL);
> > +		if (rc)
> > +			return rc;
> > +	}
> >  	cxl_rr->nr_eps++;
> >  
> >  	if (!cxld->region) {
> > @@ -565,7 +568,7 @@ static int cxl_port_attach_region(struct cxl_port *port,
> >  				  struct cxl_endpoint_decoder *cxled, int pos)
> >  {
> >  	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
> > -	struct cxl_ep *ep = cxl_ep_load(port, cxlmd);
> > +	const struct cxl_ep *ep = cxl_ep_load(port, cxlmd);
> 
> Why const now and not previously?

Good question.

> Feels like this should be in an earlier patch.  Maybe I'm missing
> something though.

...or just dropped for now, I can not recall a justification at this
point.

Re: [PATCH v2 00/28] CXL PMEM Region Provisioning

[Jonathan Cameron]

On Thu, 21 Jul 2022 09:29:46 -0700
Dan Williams <dan.j.williams@intel.com> wrote:

> Jonathan Cameron wrote:
> > On Thu, 14 Jul 2022 17:00:41 -0700
> > Dan Williams <dan.j.williams@intel.com> wrote:
> > 
> > 
> > Hi Dan,
> > 
> > I'm low on time unfortunately and will be OoO for next week,
> > But whilst fixing a bug in QEMU, I set up a test to exercise
> > the high port target register on the hb with
> > 
> > CFMWS interleave ways = 1
> > hb with 8 rp with a type3 device connected to each.
> > 
> > The resulting interleave granularity isn't what I'd expect to see.
> > Setting region interleave to 1k (which happens to match the CFMWS)
> > I'm getting 1k for the CFMWS, 2k for the hb and 256 bytes for the type3
> > devices.  Which is crazy...  Now there may be another bug lurking
> > in QEMU so this might not be a kernel issue at all.  
> 
> Potentially, I will note that there seems to be a QEMU issue, that I
> have not had time to dig into, that is preventing region creation
> compared to other environments, maybe this is it...
> 

Fwiw, proposed QEMU fix is this.  One of those where I'm not sure how
it gave the impression of working previously.

From 64c6566601c782e91eafe48eb28711e4bb85e8d0 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Thu, 21 Jul 2022 13:29:59 +0100
Subject: [PATCH] hw/cxl: Fix wrong query of target ports.

Two issues in this code:
1) Check on which register to look in was inverted.
2) Both branches read the _LO register.

Whilst here moved to extract32() rather than hand rolling
the field extraction as simpler and hopefully less error prone.

Fixes Coverity CID: 1488873

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 hw/cxl/cxl-host.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/hw/cxl/cxl-host.c b/hw/cxl/cxl-host.c
index faa68ef038..1adf61231a 100644
--- a/hw/cxl/cxl-host.c
+++ b/hw/cxl/cxl-host.c
@@ -104,7 +104,6 @@ static bool cxl_hdm_find_target(uint32_t *cache_mem, hwaddr addr,
     uint32_t ctrl;
     uint32_t ig_enc;
     uint32_t iw_enc;
-    uint32_t target_reg;
     uint32_t target_idx;

     ctrl = cache_mem[R_CXL_HDM_DECODER0_CTRL];
@@ -116,14 +115,13 @@ static bool cxl_hdm_find_target(uint32_t *cache_mem, hwaddr addr,
     iw_enc = FIELD_EX32(ctrl, CXL_HDM_DECODER0_CTRL, IW);
     target_idx = (addr / cxl_decode_ig(ig_enc)) % (1 << iw_enc);

-    if (target_idx > 4) {
-        target_reg = cache_mem[R_CXL_HDM_DECODER0_TARGET_LIST_LO];
-        target_reg >>= target_idx * 8;
+    if (target_idx < 4) {
+        *target = extract32(cache_mem[R_CXL_HDM_DECODER0_TARGET_LIST_LO],
+                            target_idx * 8, 8);
     } else {
-        target_reg = cache_mem[R_CXL_HDM_DECODER0_TARGET_LIST_LO];
-        target_reg >>= (target_idx - 4) * 8;
+        *target = extract32(cache_mem[R_CXL_HDM_DECODER0_TARGET_LIST_HI],
+                            (target_idx - 4) * 8, 8);
     }
-    *target = target_reg & 0xff;

     return true;
 }
--
2.32.0



> > For this special case we should be ignoring the CFMWS IG
> > as it's irrelevant if we aren't interleaving at that level.
> > We also know we don't have any address bits used for interleave
> > decoding until the HB.  
> 
> ...but I am certain that the drvier implementation is not accounting for
> the freedom to specify any granularity when the CFMWS interleave is x1.
> Will craft an incremental fix.

Re: [PATCH v2 00/28] CXL PMEM Region Provisioning

[Dan Williams]

Jonathan Cameron wrote:
> 
> 
> Hi Dan,
> 
> As I mentioned in one of my reviews I'd love to run a bunch of test
> cases against this,

Yes, Vishal and I are also looking to have a create-region permutation
test in cxl_test to go beyond:

https://lore.kernel.org/r/165781817516.1555691.3557156570639615515.stgit@dwillia2-xfh.jf.intel.com/

> but won't get to that until sometime in August.
> For some of those tests on QEMU I'll need to add some minor features
> (multiple HDM decoder support and handling of skip for example).
> 
> However, my limited testing of v1 was looking good and I doesn't seem
> like there were any fundamental changes.
> 
> So personally I'd be happy with this going in this cycle and getting
> additional testing later if you and anyone else who comments feels
> that's the way to go.

Thank you for being such a reliable partner on the review and picking up
the torch on the QEMU work. It has significantly accelerated the
development, and I appreciate it.

Re: [PATCH v2 16/28] resource: Introduce alloc_free_mem_region()

[Rogerio Alves]

On 7/14/22 21:02, Dan Williams wrote:
> The core of devm_request_free_mem_region() is a helper that searches for
> free space in iomem_resource and performs __request_region_locked() on
> the result of that search. The policy choices of the implementation
> conform to what CONFIG_DEVICE_PRIVATE users want which is memory that is
> immediately marked busy, and a preference to search for the first-fit
> free range in descending order from the top of the physical address
> space.
> 
> CXL has a need for a similar allocator, but with the following tweaks:
> 
> 1/ Search for free space in ascending order
> 
> 2/ Search for free space relative to a given CXL window
> 
> 3/ 'insert' rather than 'request' the new resource given downstream
>     drivers from the CXL Region driver (like the pmem or dax drivers) are
>     responsible for request_mem_region() when they activate the memory
>     range.
> 
> Rework __request_free_mem_region() into get_free_mem_region() which
> takes a set of GFR_* (Get Free Region) flags to control the allocation
> policy (ascending vs descending), and "busy" policy (insert_resource()
> vs request_region()).
> 
> As part of the consolidation of the legacy GFR_REQUEST_REGION case with
> the new default of just inserting a new resource into the free space
> some minor cleanups like not checking for NULL before calling
> devres_free() (which does its own check) is included.
> 
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Link: https://lore.kernel.org/linux-cxl/20220420143406.GY2120790@nvidia.com/
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
>   include/linux/ioport.h |    2 +
>   kernel/resource.c      |  178 +++++++++++++++++++++++++++++++++++++++---------
>   mm/Kconfig             |    5 +
>   3 files changed, 150 insertions(+), 35 deletions(-)
> 
> diff --git a/include/linux/ioport.h b/include/linux/ioport.h
> index 79d1ad6d6275..616b683563a9 100644
> --- a/include/linux/ioport.h
> +++ b/include/linux/ioport.h
> @@ -330,6 +330,8 @@ struct resource *devm_request_free_mem_region(struct device *dev,
>   		struct resource *base, unsigned long size);
>   struct resource *request_free_mem_region(struct resource *base,
>   		unsigned long size, const char *name);
> +struct resource *alloc_free_mem_region(struct resource *base,
> +		unsigned long size, unsigned long align, const char *name);
>   
>   static inline void irqresource_disabled(struct resource *res, u32 irq)
>   {
> diff --git a/kernel/resource.c b/kernel/resource.c
> index 53a534db350e..4c5e80b92f2f 100644
> --- a/kernel/resource.c
> +++ b/kernel/resource.c
> @@ -489,8 +489,9 @@ int __weak page_is_ram(unsigned long pfn)
>   }
>   EXPORT_SYMBOL_GPL(page_is_ram);
>   
> -static int __region_intersects(resource_size_t start, size_t size,
> -			unsigned long flags, unsigned long desc)
> +static int __region_intersects(struct resource *parent, resource_size_t start,
> +			       size_t size, unsigned long flags,
> +			       unsigned long desc)
>   {
>   	struct resource res;
>   	int type = 0; int other = 0;
> @@ -499,7 +500,7 @@ static int __region_intersects(resource_size_t start, size_t size,
>   	res.start = start;
>   	res.end = start + size - 1;
>   
> -	for (p = iomem_resource.child; p ; p = p->sibling) {
> +	for (p = parent->child; p ; p = p->sibling) {
>   		bool is_type = (((p->flags & flags) == flags) &&
>   				((desc == IORES_DESC_NONE) ||
>   				 (desc == p->desc)));
> @@ -543,7 +544,7 @@ int region_intersects(resource_size_t start, size_t size, unsigned long flags,
>   	int ret;
>   
>   	read_lock(&resource_lock);
> -	ret = __region_intersects(start, size, flags, desc);
> +	ret = __region_intersects(&iomem_resource, start, size, flags, desc);
>   	read_unlock(&resource_lock);
>   
>   	return ret;
> @@ -1780,62 +1781,139 @@ void resource_list_free(struct list_head *head)
>   }
>   EXPORT_SYMBOL(resource_list_free);
>   
> -#ifdef CONFIG_DEVICE_PRIVATE
> -static struct resource *__request_free_mem_region(struct device *dev,
> -		struct resource *base, unsigned long size, const char *name)
> +#ifdef CONFIG_GET_FREE_REGION
> +#define GFR_DESCENDING		(1UL << 0)
> +#define GFR_REQUEST_REGION	(1UL << 1)
> +#define GFR_DEFAULT_ALIGN (1UL << PA_SECTION_SHIFT)
> +
> +static resource_size_t gfr_start(struct resource *base, resource_size_t size,
> +				 resource_size_t align, unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING) {
> +		resource_size_t end;
> +
> +		end = min_t(resource_size_t, base->end,
> +			    (1ULL << MAX_PHYSMEM_BITS) - 1);
> +		return end - size + 1;
> +	}
> +
> +	return ALIGN(base->start, align);
> +}
> +
> +static bool gfr_continue(struct resource *base, resource_size_t addr,
> +			 resource_size_t size, unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING)
> +		return addr > size && addr >= base->start;
> +	/*
> +	 * In the ascend case be careful that the last increment by
> +	 * @size did not wrap 0.
> +	 */
> +	return addr > addr - size &&
> +	       addr <= min_t(resource_size_t, base->end,
> +			     (1ULL << MAX_PHYSMEM_BITS) - 1);
> +}
> +
> +static resource_size_t gfr_next(resource_size_t addr, resource_size_t size,
> +				unsigned long flags)
> +{
> +	if (flags & GFR_DESCENDING)
> +		return addr - size;
> +	return addr + size;
> +}
> +
> +static void remove_free_mem_region(void *_res)
> +{
> +	struct resource *res = _res;
> +
> +	if (res->parent)
> +		remove_resource(res);
> +	free_resource(res);
> +}
> +
> +static struct resource *
> +get_free_mem_region(struct device *dev, struct resource *base,
> +		    resource_size_t size, const unsigned long align,
> +		    const char *name, const unsigned long desc,
> +		    const unsigned long flags)
>   {
> -	resource_size_t end, addr;
> +	resource_size_t addr;
>   	struct resource *res;
>   	struct region_devres *dr = NULL;
>   
> -	size = ALIGN(size, 1UL << PA_SECTION_SHIFT);
> -	end = min_t(unsigned long, base->end, (1UL << MAX_PHYSMEM_BITS) - 1);
> -	addr = end - size + 1UL;
> +	size = ALIGN(size, align);
>   
>   	res = alloc_resource(GFP_KERNEL);
>   	if (!res)
>   		return ERR_PTR(-ENOMEM);
>   
> -	if (dev) {
> +	if (dev && (flags & GFR_REQUEST_REGION)) {
>   		dr = devres_alloc(devm_region_release,
>   				sizeof(struct region_devres), GFP_KERNEL);
>   		if (!dr) {
>   			free_resource(res);
>   			return ERR_PTR(-ENOMEM);
>   		}
> +	} else if (dev) {
> +		if (devm_add_action_or_reset(dev, remove_free_mem_region, res))
> +			return ERR_PTR(-ENOMEM);
>   	}
>   
>   	write_lock(&resource_lock);
> -	for (; addr > size && addr >= base->start; addr -= size) {
> -		if (__region_intersects(addr, size, 0, IORES_DESC_NONE) !=
> -				REGION_DISJOINT)
> +	for (addr = gfr_start(base, size, align, flags);
> +	     gfr_continue(base, addr, size, flags);
> +	     addr = gfr_next(addr, size, flags)) {
> +		if (__region_intersects(base, addr, size, 0, IORES_DESC_NONE) !=
> +		    REGION_DISJOINT)
>   			continue;
>   
> -		if (__request_region_locked(res, &iomem_resource, addr, size,
> -						name, 0))
> -			break;
> +		if (flags & GFR_REQUEST_REGION) {
> +			if (__request_region_locked(res, &iomem_resource, addr,
> +						    size, name, 0))
> +				break;
>   
> -		if (dev) {
> -			dr->parent = &iomem_resource;
> -			dr->start = addr;
> -			dr->n = size;
> -			devres_add(dev, dr);
> -		}
> +			if (dev) {
> +				dr->parent = &iomem_resource;
> +				dr->start = addr;
> +				dr->n = size;
> +				devres_add(dev, dr);
> +			}
>   
> -		res->desc = IORES_DESC_DEVICE_PRIVATE_MEMORY;
> -		write_unlock(&resource_lock);
> +			res->desc = desc;
> +			write_unlock(&resource_lock);
> +
> +
> +			/*
> +			 * A driver is claiming this region so revoke any
> +			 * mappings.
> +			 */
> +			revoke_iomem(res);
> +		} else {
> +			res->start = addr;
> +			res->end = addr + size - 1;
> +			res->name = name;
> +			res->desc = desc;
> +			res->flags = IORESOURCE_MEM;
> +
> +			/*
> +			 * Only succeed if the resource hosts an exclusive
> +			 * range after the insert
> +			 */
> +			if (__insert_resource(base, res) || res->child)
> +				break;
> +
> +			write_unlock(&resource_lock);
> +		}
>   
> -		/*
> -		 * A driver is claiming this region so revoke any mappings.
> -		 */
> -		revoke_iomem(res);
>   		return res;
>   	}
>   	write_unlock(&resource_lock);
>   
> -	free_resource(res);
> -	if (dr)
> +	if (flags & GFR_REQUEST_REGION) {
> +		free_resource(res);
>   		devres_free(dr);
> +	} else if (dev)
> +		devm_release_action(dev, remove_free_mem_region, res);
>

Coverity is reporting a resource leak here. This may happens if we have 
dev=NULL and flags=0 which seems it is the case when we call this 
function using alloc_free_mem. However, I think this may be a false 
positve since flags=0 means the default behavior aka GFR_ASCENDING | 
GFR_INSERT_RESOURCE which seems fine. I just want to confirm if it is 
possible that we have a corner case such as that.


>   	return ERR_PTR(-ERANGE);
>   }
> @@ -1854,18 +1932,48 @@ static struct resource *__request_free_mem_region(struct device *dev,
>   struct resource *devm_request_free_mem_region(struct device *dev,
>   		struct resource *base, unsigned long size)
>   {
> -	return __request_free_mem_region(dev, base, size, dev_name(dev));
> +	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
> +
> +	return get_free_mem_region(dev, base, size, GFR_DEFAULT_ALIGN,
> +				   dev_name(dev),
> +				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
>   }
>   EXPORT_SYMBOL_GPL(devm_request_free_mem_region);
>   
>   struct resource *request_free_mem_region(struct resource *base,
>   		unsigned long size, const char *name)
>   {
> -	return __request_free_mem_region(NULL, base, size, name);
> +	unsigned long flags = GFR_DESCENDING | GFR_REQUEST_REGION;
> +
> +	return get_free_mem_region(NULL, base, size, GFR_DEFAULT_ALIGN, name,
> +				   IORES_DESC_DEVICE_PRIVATE_MEMORY, flags);
>   }
>   EXPORT_SYMBOL_GPL(request_free_mem_region);
>   
> -#endif /* CONFIG_DEVICE_PRIVATE */
> +/**
> + * alloc_free_mem_region - find a free region relative to @base
> + * @base: resource that will parent the new resource
> + * @size: size in bytes of memory to allocate from @base
> + * @align: alignment requirements for the allocation
> + * @name: resource name
> + *
> + * Buses like CXL, that can dynamically instantiate new memory regions,
> + * need a method to allocate physical address space for those regions.
> + * Allocate and insert a new resource to cover a free, unclaimed by a
> + * descendant of @base, range in the span of @base.
> + */
> +struct resource *alloc_free_mem_region(struct resource *base,
> +				       unsigned long size, unsigned long align,
> +				       const char *name)
> +{
> +	/* Default of ascending direction and insert resource */
> +	unsigned long flags = 0;
> +
> +	return get_free_mem_region(NULL, base, size, align, name,
> +				   IORES_DESC_NONE, flags);
> +}
> +EXPORT_SYMBOL_NS_GPL(alloc_free_mem_region, CXL);
> +#endif /* CONFIG_GET_FREE_REGION */
>   
>   static int __init strict_iomem(char *str)
>   {
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 169e64192e48..a5b4fee2e3fd 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -994,9 +994,14 @@ config HMM_MIRROR
>   	bool
>   	depends on MMU
>   
> +config GET_FREE_REGION
> +	depends on SPARSEMEM
> +	bool
> +
>   config DEVICE_PRIVATE
>   	bool "Unaddressable device memory (GPU memory, ...)"
>   	depends on ZONE_DEVICE
> +	select GET_FREE_REGION
>   
>   	help
>   	  Allows creation of struct pages to represent unaddressable device
> 

Re: [PATCH v2 25/28] cxl/hdm: Commit decoder state to hardware

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
In-Reply-To: <165784338418.1758207.14659830845389904356.stgit@dwillia2-xfh.jf.intel.com>
References: <165784338418.1758207.14659830845389904356.stgit@dwillia2-xfh.jf.intel.com>
TO: Dan Williams <dan.j.williams@intel.com>

Hi Dan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on b060edfd8cdd52bc8648392500bf152a8dd6d4c5]

url:    https://github.com/intel-lab-lkp/linux/commits/Dan-Williams/CXL-PMEM-Region-Provisioning/20220715-080748
base:   b060edfd8cdd52bc8648392500bf152a8dd6d4c5
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220717/202207170530.EyDKrQwG-lkp(a)intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

New smatch warnings:
drivers/cxl/core/hdm.c:475 cxld_set_interleave() error: uninitialized symbol 'eig'.
drivers/cxl/core/hdm.c:476 cxld_set_interleave() error: uninitialized symbol 'eiw'.

Old smatch warnings:
drivers/cxl/core/hdm.c:344 cxl_dpa_free() error: uninitialized symbol 'rc'.
drivers/cxl/core/hdm.c:461 cxl_dpa_alloc() error: uninitialized symbol 'rc'.

vim +/eig +475 drivers/cxl/core/hdm.c

5ccc075e8e0da0 Dan Williams 2022-07-14  466  
4eeba6d677001b Dan Williams 2022-07-14  467  static void cxld_set_interleave(struct cxl_decoder *cxld, u32 *ctrl)
4eeba6d677001b Dan Williams 2022-07-14  468  {
4eeba6d677001b Dan Williams 2022-07-14  469  	u16 eig;
4eeba6d677001b Dan Williams 2022-07-14  470  	u8 eiw;
4eeba6d677001b Dan Williams 2022-07-14  471  
4eeba6d677001b Dan Williams 2022-07-14  472  	ways_to_cxl(cxld->interleave_ways, &eiw);
4eeba6d677001b Dan Williams 2022-07-14  473  	granularity_to_cxl(cxld->interleave_granularity, &eig);
4eeba6d677001b Dan Williams 2022-07-14  474  
4eeba6d677001b Dan Williams 2022-07-14 @475  	u32p_replace_bits(ctrl, eig, CXL_HDM_DECODER0_CTRL_IG_MASK);
4eeba6d677001b Dan Williams 2022-07-14 @476  	u32p_replace_bits(ctrl, eiw, CXL_HDM_DECODER0_CTRL_IW_MASK);
4eeba6d677001b Dan Williams 2022-07-14  477  	*ctrl |= CXL_HDM_DECODER0_CTRL_COMMIT;
4eeba6d677001b Dan Williams 2022-07-14  478  }
4eeba6d677001b Dan Williams 2022-07-14  479  

-- 
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