From: Dan Williams <dan.j.williams@intel.com> To: linux-nvdimm@lists.01.org Cc: Michael Ellerman <mpe@ellerman.id.au>, "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>, peterz@infradead.org, dave.hansen@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 08/16] libnvdimm: Move nvdimm_bus_attribute_group to device_type Date: Wed, 06 Nov 2019 19:57:18 -0800 [thread overview] Message-ID: <157309903815.1582359.6418211876315050283.stgit@dwillia2-desk3.amr.corp.intel.com> (raw) In-Reply-To: <157309899529.1582359.15358067933360719580.stgit@dwillia2-desk3.amr.corp.intel.com> A 'struct device_type' instance can carry default attributes for the device. Use this facility to remove the export of nvdimm_bus_attribute_group and put the responsibility on the core rather than leaf implementations to define this attribute. Cc: Ira Weiny <ira.weiny@intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Oliver O'Halloran" <oohall@gmail.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> --- arch/powerpc/platforms/pseries/papr_scm.c | 6 ------ drivers/acpi/nfit/core.c | 1 - drivers/nvdimm/bus.c | 9 +++++++-- drivers/nvdimm/core.c | 8 ++++++-- drivers/nvdimm/e820.c | 6 ------ drivers/nvdimm/nd.h | 1 + drivers/nvdimm/of_pmem.c | 6 ------ include/linux/libnvdimm.h | 2 -- 8 files changed, 14 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index 8354737ac340..33aa59e666e5 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -284,11 +284,6 @@ int papr_scm_ndctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, return 0; } -static const struct attribute_group *bus_attr_groups[] = { - &nvdimm_bus_attribute_group, - NULL, -}; - static inline int papr_scm_node(int node) { int min_dist = INT_MAX, dist; @@ -319,7 +314,6 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p) p->bus_desc.ndctl = papr_scm_ndctl; p->bus_desc.module = THIS_MODULE; p->bus_desc.of_node = p->pdev->dev.of_node; - p->bus_desc.attr_groups = bus_attr_groups; p->bus_desc.provider_name = kstrdup(p->pdev->name, GFP_KERNEL); if (!p->bus_desc.provider_name) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 84fc1f865802..a3320f93616d 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1404,7 +1404,6 @@ static const struct attribute_group acpi_nfit_attribute_group = { }; static const struct attribute_group *acpi_nfit_attribute_groups[] = { - &nvdimm_bus_attribute_group, &acpi_nfit_attribute_group, NULL, }; diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 28e1b265aa63..1d330d46d036 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -300,9 +300,14 @@ static void nvdimm_bus_release(struct device *dev) kfree(nvdimm_bus); } +static const struct device_type nvdimm_bus_dev_type = { + .release = nvdimm_bus_release, + .groups = nvdimm_bus_attribute_groups, +}; + bool is_nvdimm_bus(struct device *dev) { - return dev->release == nvdimm_bus_release; + return dev->type == &nvdimm_bus_dev_type; } struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev) @@ -355,7 +360,7 @@ struct nvdimm_bus *nvdimm_bus_register(struct device *parent, badrange_init(&nvdimm_bus->badrange); nvdimm_bus->nd_desc = nd_desc; nvdimm_bus->dev.parent = parent; - nvdimm_bus->dev.release = nvdimm_bus_release; + nvdimm_bus->dev.type = &nvdimm_bus_dev_type; nvdimm_bus->dev.groups = nd_desc->attr_groups; nvdimm_bus->dev.bus = &nvdimm_bus_type; nvdimm_bus->dev.of_node = nd_desc->of_node; diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c index 9204f1e9fd14..81231ca23db0 100644 --- a/drivers/nvdimm/core.c +++ b/drivers/nvdimm/core.c @@ -385,10 +385,14 @@ static struct attribute *nvdimm_bus_attributes[] = { NULL, }; -struct attribute_group nvdimm_bus_attribute_group = { +static const struct attribute_group nvdimm_bus_attribute_group = { .attrs = nvdimm_bus_attributes, }; -EXPORT_SYMBOL_GPL(nvdimm_bus_attribute_group); + +const struct attribute_group *nvdimm_bus_attribute_groups[] = { + &nvdimm_bus_attribute_group, + NULL, +}; int nvdimm_bus_add_badrange(struct nvdimm_bus *nvdimm_bus, u64 addr, u64 length) { diff --git a/drivers/nvdimm/e820.c b/drivers/nvdimm/e820.c index 9a971a59dec7..e02f60ad6c99 100644 --- a/drivers/nvdimm/e820.c +++ b/drivers/nvdimm/e820.c @@ -8,11 +8,6 @@ #include <linux/libnvdimm.h> #include <linux/module.h> -static const struct attribute_group *e820_pmem_attribute_groups[] = { - &nvdimm_bus_attribute_group, - NULL, -}; - static int e820_pmem_remove(struct platform_device *pdev) { struct nvdimm_bus *nvdimm_bus = platform_get_drvdata(pdev); @@ -55,7 +50,6 @@ static int e820_pmem_probe(struct platform_device *pdev) struct nvdimm_bus *nvdimm_bus; int rc = -ENXIO; - nd_desc.attr_groups = e820_pmem_attribute_groups; nd_desc.provider_name = "e820"; nd_desc.module = THIS_MODULE; nvdimm_bus = nvdimm_bus_register(dev, &nd_desc); diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index e7f3a2fee2ab..577800242110 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -300,6 +300,7 @@ int nd_pfn_validate(struct nd_pfn *nd_pfn, const char *sig); extern const struct attribute_group *nd_pfn_attribute_groups[]; extern const struct attribute_group nd_device_attribute_group; extern const struct attribute_group nd_numa_attribute_group; +extern const struct attribute_group *nvdimm_bus_attribute_groups[]; #else static inline int nd_pfn_probe(struct device *dev, struct nd_namespace_common *ndns) diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c index c0b5ac36df9d..8224d1431ea9 100644 --- a/drivers/nvdimm/of_pmem.c +++ b/drivers/nvdimm/of_pmem.c @@ -9,11 +9,6 @@ #include <linux/ioport.h> #include <linux/slab.h> -static const struct attribute_group *bus_attr_groups[] = { - &nvdimm_bus_attribute_group, - NULL, -}; - struct of_pmem_private { struct nvdimm_bus_descriptor bus_desc; struct nvdimm_bus *bus; @@ -35,7 +30,6 @@ static int of_pmem_region_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - priv->bus_desc.attr_groups = bus_attr_groups; priv->bus_desc.provider_name = kstrdup(pdev->name, GFP_KERNEL); priv->bus_desc.module = THIS_MODULE; priv->bus_desc.of_node = np; diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index 3644af97bcb4..9df091bd30ba 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -65,8 +65,6 @@ enum { DPA_RESOURCE_ADJUSTED = 1 << 0, }; -extern struct attribute_group nvdimm_bus_attribute_group; - struct nvdimm; struct nvdimm_bus_descriptor; typedef int (*ndctl_fn)(struct nvdimm_bus_descriptor *nd_desc, _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org
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From: Dan Williams <dan.j.williams@intel.com> To: linux-nvdimm@lists.01.org Cc: Ira Weiny <ira.weiny@intel.com>, Michael Ellerman <mpe@ellerman.id.au>, Oliver O'Halloran <oohall@gmail.com>, Vishal Verma <vishal.l.verma@intel.com>, "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>, peterz@infradead.org, dave.hansen@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 08/16] libnvdimm: Move nvdimm_bus_attribute_group to device_type Date: Wed, 06 Nov 2019 19:57:18 -0800 [thread overview] Message-ID: <157309903815.1582359.6418211876315050283.stgit@dwillia2-desk3.amr.corp.intel.com> (raw) In-Reply-To: <157309899529.1582359.15358067933360719580.stgit@dwillia2-desk3.amr.corp.intel.com> A 'struct device_type' instance can carry default attributes for the device. Use this facility to remove the export of nvdimm_bus_attribute_group and put the responsibility on the core rather than leaf implementations to define this attribute. Cc: Ira Weiny <ira.weiny@intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Oliver O'Halloran" <oohall@gmail.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> --- arch/powerpc/platforms/pseries/papr_scm.c | 6 ------ drivers/acpi/nfit/core.c | 1 - drivers/nvdimm/bus.c | 9 +++++++-- drivers/nvdimm/core.c | 8 ++++++-- drivers/nvdimm/e820.c | 6 ------ drivers/nvdimm/nd.h | 1 + drivers/nvdimm/of_pmem.c | 6 ------ include/linux/libnvdimm.h | 2 -- 8 files changed, 14 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index 8354737ac340..33aa59e666e5 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -284,11 +284,6 @@ int papr_scm_ndctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, return 0; } -static const struct attribute_group *bus_attr_groups[] = { - &nvdimm_bus_attribute_group, - NULL, -}; - static inline int papr_scm_node(int node) { int min_dist = INT_MAX, dist; @@ -319,7 +314,6 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p) p->bus_desc.ndctl = papr_scm_ndctl; p->bus_desc.module = THIS_MODULE; p->bus_desc.of_node = p->pdev->dev.of_node; - p->bus_desc.attr_groups = bus_attr_groups; p->bus_desc.provider_name = kstrdup(p->pdev->name, GFP_KERNEL); if (!p->bus_desc.provider_name) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 84fc1f865802..a3320f93616d 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1404,7 +1404,6 @@ static const struct attribute_group acpi_nfit_attribute_group = { }; static const struct attribute_group *acpi_nfit_attribute_groups[] = { - &nvdimm_bus_attribute_group, &acpi_nfit_attribute_group, NULL, }; diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 28e1b265aa63..1d330d46d036 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -300,9 +300,14 @@ static void nvdimm_bus_release(struct device *dev) kfree(nvdimm_bus); } +static const struct device_type nvdimm_bus_dev_type = { + .release = nvdimm_bus_release, + .groups = nvdimm_bus_attribute_groups, +}; + bool is_nvdimm_bus(struct device *dev) { - return dev->release == nvdimm_bus_release; + return dev->type == &nvdimm_bus_dev_type; } struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev) @@ -355,7 +360,7 @@ struct nvdimm_bus *nvdimm_bus_register(struct device *parent, badrange_init(&nvdimm_bus->badrange); nvdimm_bus->nd_desc = nd_desc; nvdimm_bus->dev.parent = parent; - nvdimm_bus->dev.release = nvdimm_bus_release; + nvdimm_bus->dev.type = &nvdimm_bus_dev_type; nvdimm_bus->dev.groups = nd_desc->attr_groups; nvdimm_bus->dev.bus = &nvdimm_bus_type; nvdimm_bus->dev.of_node = nd_desc->of_node; diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c index 9204f1e9fd14..81231ca23db0 100644 --- a/drivers/nvdimm/core.c +++ b/drivers/nvdimm/core.c @@ -385,10 +385,14 @@ static struct attribute *nvdimm_bus_attributes[] = { NULL, }; -struct attribute_group nvdimm_bus_attribute_group = { +static const struct attribute_group nvdimm_bus_attribute_group = { .attrs = nvdimm_bus_attributes, }; -EXPORT_SYMBOL_GPL(nvdimm_bus_attribute_group); + +const struct attribute_group *nvdimm_bus_attribute_groups[] = { + &nvdimm_bus_attribute_group, + NULL, +}; int nvdimm_bus_add_badrange(struct nvdimm_bus *nvdimm_bus, u64 addr, u64 length) { diff --git a/drivers/nvdimm/e820.c b/drivers/nvdimm/e820.c index 9a971a59dec7..e02f60ad6c99 100644 --- a/drivers/nvdimm/e820.c +++ b/drivers/nvdimm/e820.c @@ -8,11 +8,6 @@ #include <linux/libnvdimm.h> #include <linux/module.h> -static const struct attribute_group *e820_pmem_attribute_groups[] = { - &nvdimm_bus_attribute_group, - NULL, -}; - static int e820_pmem_remove(struct platform_device *pdev) { struct nvdimm_bus *nvdimm_bus = platform_get_drvdata(pdev); @@ -55,7 +50,6 @@ static int e820_pmem_probe(struct platform_device *pdev) struct nvdimm_bus *nvdimm_bus; int rc = -ENXIO; - nd_desc.attr_groups = e820_pmem_attribute_groups; nd_desc.provider_name = "e820"; nd_desc.module = THIS_MODULE; nvdimm_bus = nvdimm_bus_register(dev, &nd_desc); diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index e7f3a2fee2ab..577800242110 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -300,6 +300,7 @@ int nd_pfn_validate(struct nd_pfn *nd_pfn, const char *sig); extern const struct attribute_group *nd_pfn_attribute_groups[]; extern const struct attribute_group nd_device_attribute_group; extern const struct attribute_group nd_numa_attribute_group; +extern const struct attribute_group *nvdimm_bus_attribute_groups[]; #else static inline int nd_pfn_probe(struct device *dev, struct nd_namespace_common *ndns) diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c index c0b5ac36df9d..8224d1431ea9 100644 --- a/drivers/nvdimm/of_pmem.c +++ b/drivers/nvdimm/of_pmem.c @@ -9,11 +9,6 @@ #include <linux/ioport.h> #include <linux/slab.h> -static const struct attribute_group *bus_attr_groups[] = { - &nvdimm_bus_attribute_group, - NULL, -}; - struct of_pmem_private { struct nvdimm_bus_descriptor bus_desc; struct nvdimm_bus *bus; @@ -35,7 +30,6 @@ static int of_pmem_region_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - priv->bus_desc.attr_groups = bus_attr_groups; priv->bus_desc.provider_name = kstrdup(pdev->name, GFP_KERNEL); priv->bus_desc.module = THIS_MODULE; priv->bus_desc.of_node = np; diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index 3644af97bcb4..9df091bd30ba 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -65,8 +65,6 @@ enum { DPA_RESOURCE_ADJUSTED = 1 << 0, }; -extern struct attribute_group nvdimm_bus_attribute_group; - struct nvdimm; struct nvdimm_bus_descriptor; typedef int (*ndctl_fn)(struct nvdimm_bus_descriptor *nd_desc,
next prev parent reply other threads:[~2019-11-07 4:11 UTC|newest] Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-07 3:56 [PATCH 00/16] Memory Hierarchy: Enable target node lookups for reserved memory Dan Williams 2019-11-07 3:56 ` Dan Williams 2019-11-07 3:56 ` [PATCH 01/16] libnvdimm: Move attribute groups to device type Dan Williams 2019-11-07 3:56 ` Dan Williams 2019-11-12 11:28 ` Aneesh Kumar K.V 2019-11-12 11:28 ` Aneesh Kumar K.V 2019-11-07 3:56 ` [PATCH 02/16] libnvdimm: Move region attribute group definition Dan Williams 2019-11-07 3:56 ` Dan Williams 2019-11-12 11:29 ` Aneesh Kumar K.V 2019-11-12 11:29 ` Aneesh Kumar K.V 2019-11-07 3:56 ` [PATCH 03/16] libnvdimm: Move nd_device_attribute_group to device_type Dan Williams 2019-11-07 3:56 ` Dan Williams 2019-11-12 11:30 ` Aneesh Kumar K.V 2019-11-12 11:30 ` Aneesh Kumar K.V 2019-11-07 3:56 ` [PATCH 04/16] libnvdimm: Move nd_numa_attribute_group " Dan Williams 2019-11-07 3:56 ` Dan Williams 2019-11-12 9:22 ` Aneesh Kumar K.V 2019-11-12 9:22 ` Aneesh Kumar K.V 2019-11-13 1:26 ` Dan Williams 2019-11-13 1:26 ` Dan Williams 2019-11-13 1:26 ` Dan Williams 2019-11-13 6:02 ` Aneesh Kumar K.V 2019-11-13 6:02 ` Aneesh Kumar K.V 2019-11-13 6:14 ` Dan Williams 2019-11-13 6:14 ` Dan Williams 2019-11-13 6:14 ` Dan Williams 2019-11-07 3:57 ` [PATCH 05/16] libnvdimm: Move nd_region_attribute_group " Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-12 11:45 ` Aneesh Kumar K.V 2019-11-12 11:45 ` Aneesh Kumar K.V 2019-11-07 3:57 ` [PATCH 06/16] libnvdimm: Move nd_mapping_attribute_group " Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-12 11:45 ` Aneesh Kumar K.V 2019-11-12 11:45 ` Aneesh Kumar K.V 2019-11-07 3:57 ` [PATCH 07/16] libnvdimm: Move nvdimm_attribute_group " Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-12 11:48 ` Aneesh Kumar K.V 2019-11-12 11:48 ` Aneesh Kumar K.V 2019-11-07 3:57 ` Dan Williams [this message] 2019-11-07 3:57 ` [PATCH 08/16] libnvdimm: Move nvdimm_bus_attribute_group " Dan Williams 2019-11-12 11:48 ` Aneesh Kumar K.V 2019-11-12 11:48 ` Aneesh Kumar K.V 2019-11-07 3:57 ` [PATCH 09/16] dax: Create a dax device_type Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-12 11:49 ` Aneesh Kumar K.V 2019-11-12 11:49 ` Aneesh Kumar K.V 2019-11-07 3:57 ` [PATCH 10/16] dax: Simplify root read-only definition for the 'resource' attribute Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-12 11:49 ` Aneesh Kumar K.V 2019-11-12 11:49 ` Aneesh Kumar K.V 2019-11-07 3:57 ` [PATCH 11/16] libnvdimm: " Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-12 11:50 ` Aneesh Kumar K.V 2019-11-12 11:50 ` Aneesh Kumar K.V 2019-11-07 3:57 ` [PATCH 12/16] dax: Add numa_node to the default device-dax attributes Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-12 11:50 ` Aneesh Kumar K.V 2019-11-12 11:50 ` Aneesh Kumar K.V 2019-11-07 3:57 ` [PATCH 13/16] acpi/mm: Up-level "map to online node" functionality Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-11 11:30 ` Aneesh Kumar K.V 2019-11-11 11:30 ` Aneesh Kumar K.V 2019-11-11 23:38 ` Dan Williams 2019-11-11 23:38 ` Dan Williams 2019-11-11 23:38 ` Dan Williams 2019-11-07 3:57 ` [PATCH 14/16] x86/numa: Provide a range-to-target_node lookup facility Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-07 3:57 ` [PATCH 15/16] libnvdimm/e820: Drop the wrapper around memory_add_physaddr_to_nid Dan Williams 2019-11-07 3:57 ` Dan Williams 2019-11-07 3:58 ` [PATCH 16/16] libnvdimm/e820: Retrieve and populate correct 'target_node' info Dan Williams 2019-11-07 3:58 ` Dan Williams 2019-11-09 5:02 ` kbuild test robot 2019-11-09 5:02 ` kbuild test robot 2019-11-09 5:02 ` kbuild test robot 2019-11-12 11:42 ` [PATCH 00/16] Memory Hierarchy: Enable target node lookups for reserved memory Aneesh Kumar K.V 2019-11-12 11:42 ` Aneesh Kumar K.V 2019-11-12 19:37 ` Dan Williams 2019-11-12 19:37 ` Dan Williams 2019-11-12 19:37 ` Dan Williams
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