[PATCH AUTOSEL 5.12 001/104] leds: tlc591xx: fix return value check in tlc591xx_probe()

[PATCH AUTOSEL 5.12 001/104] leds: tlc591xx: fix return value check in tlc591xx_probe()

[Sasha Levin]

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit ee522bcf026ec82ada793979c3a906274430595a ]

After device_get_match_data(), tlc591xx is not checked, add
check for it and also check np after dev_of_node.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/leds/leds-tlc591xx.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c
index 5b9dfdf743ec..cb7bd1353f9f 100644
--- a/drivers/leds/leds-tlc591xx.c
+++ b/drivers/leds/leds-tlc591xx.c
@@ -148,16 +148,20 @@ static int
 tlc591xx_probe(struct i2c_client *client,
 	       const struct i2c_device_id *id)
 {
-	struct device_node *np = dev_of_node(&client->dev), *child;
+	struct device_node *np, *child;
 	struct device *dev = &client->dev;
 	const struct tlc591xx *tlc591xx;
 	struct tlc591xx_priv *priv;
 	int err, count, reg;
 
-	tlc591xx = device_get_match_data(dev);
+	np = dev_of_node(dev);
 	if (!np)
 		return -ENODEV;
 
+	tlc591xx = device_get_match_data(dev);
+	if (!tlc591xx)
+		return -ENODEV;
+
 	count = of_get_available_child_count(np);
 	if (!count || count > tlc591xx->max_leds)
 		return -EINVAL;
-- 
2.30.2

[PATCH AUTOSEL 5.12 002/104] ASoC: Intel: sof_sdw: add mutual exclusion between PCH DMIC and RT715

[Sasha Levin]

From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

[ Upstream commit 35564e2bf94611c3eb51d35362addb3cb394ad54 ]

When external RT714/715 devices are used for capture, we don't want
the PCH DMICs to be used.

Any information provided by the SOF platform driver or DMI quirks will
be overridden.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Libin Yang <libin.yang@intel.com>
Link: https://lore.kernel.org/r/20210505163705.305616-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/intel/boards/sof_sdw.c        | 19 +++++++++++++++++--
 sound/soc/intel/boards/sof_sdw_common.h |  1 +
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index ecd3f90f4bbe..85a2797c2550 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -353,6 +353,7 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.part_id = 0x714,
 		.version_id = 3,
 		.direction = {false, true},
+		.ignore_pch_dmic = true,
 		.dai_name = "rt715-aif2",
 		.init = sof_sdw_rt715_sdca_init,
 	},
@@ -360,6 +361,7 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.part_id = 0x715,
 		.version_id = 3,
 		.direction = {false, true},
+		.ignore_pch_dmic = true,
 		.dai_name = "rt715-aif2",
 		.init = sof_sdw_rt715_sdca_init,
 	},
@@ -367,6 +369,7 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.part_id = 0x714,
 		.version_id = 2,
 		.direction = {false, true},
+		.ignore_pch_dmic = true,
 		.dai_name = "rt715-aif2",
 		.init = sof_sdw_rt715_init,
 	},
@@ -374,6 +377,7 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.part_id = 0x715,
 		.version_id = 2,
 		.direction = {false, true},
+		.ignore_pch_dmic = true,
 		.dai_name = "rt715-aif2",
 		.init = sof_sdw_rt715_init,
 	},
@@ -729,7 +733,8 @@ static int create_sdw_dailink(struct device *dev, int *be_index,
 			      int *cpu_id, bool *group_generated,
 			      struct snd_soc_codec_conf *codec_conf,
 			      int codec_count,
-			      int *codec_conf_index)
+			      int *codec_conf_index,
+			      bool *ignore_pch_dmic)
 {
 	const struct snd_soc_acpi_link_adr *link_next;
 	struct snd_soc_dai_link_component *codecs;
@@ -782,6 +787,9 @@ static int create_sdw_dailink(struct device *dev, int *be_index,
 	if (codec_index < 0)
 		return codec_index;
 
+	if (codec_info_list[codec_index].ignore_pch_dmic)
+		*ignore_pch_dmic = true;
+
 	cpu_dai_index = *cpu_id;
 	for_each_pcm_streams(stream) {
 		char *name, *cpu_name;
@@ -913,6 +921,7 @@ static int sof_card_dai_links_create(struct device *dev,
 	const struct snd_soc_acpi_link_adr *adr_link;
 	struct snd_soc_dai_link_component *cpus;
 	struct snd_soc_codec_conf *codec_conf;
+	bool ignore_pch_dmic = false;
 	int codec_conf_count;
 	int codec_conf_index = 0;
 	bool group_generated[SDW_MAX_GROUPS];
@@ -1019,7 +1028,8 @@ static int sof_card_dai_links_create(struct device *dev,
 					 sdw_cpu_dai_num, cpus, adr_link,
 					 &cpu_id, group_generated,
 					 codec_conf, codec_conf_count,
-					 &codec_conf_index);
+					 &codec_conf_index,
+					 &ignore_pch_dmic);
 		if (ret < 0) {
 			dev_err(dev, "failed to create dai link %d", be_id);
 			return -ENOMEM;
@@ -1087,6 +1097,10 @@ static int sof_card_dai_links_create(struct device *dev,
 DMIC:
 	/* dmic */
 	if (dmic_num > 0) {
+		if (ignore_pch_dmic) {
+			dev_warn(dev, "Ignoring PCH DMIC\n");
+			goto HDMI;
+		}
 		cpus[cpu_id].dai_name = "DMIC01 Pin";
 		init_dai_link(dev, links + link_id, be_id, "dmic01",
 			      0, 1, // DMIC only supports capture
@@ -1105,6 +1119,7 @@ static int sof_card_dai_links_create(struct device *dev,
 		INC_ID(be_id, cpu_id, link_id);
 	}
 
+HDMI:
 	/* HDMI */
 	if (hdmi_num > 0) {
 		idisp_components = devm_kcalloc(dev, hdmi_num,
diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boards/sof_sdw_common.h
index f3cb6796363e..ea60e8ed215c 100644
--- a/sound/soc/intel/boards/sof_sdw_common.h
+++ b/sound/soc/intel/boards/sof_sdw_common.h
@@ -56,6 +56,7 @@ struct sof_sdw_codec_info {
 	int amp_num;
 	const u8 acpi_id[ACPI_ID_LEN];
 	const bool direction[2]; // playback & capture support
+	const bool ignore_pch_dmic;
 	const char *dai_name;
 	const struct snd_soc_ops *ops;
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 003/104] ASoC: Intel: sof_sdw: add SOF_RT715_DAI_ID_FIX for AlderLake

[Sasha Levin]

From: Libin Yang <libin.yang@intel.com>

[ Upstream commit 81cd42e5174ba7918edd3d006406ce21ebaa8507 ]

AlderLake needs the flag SOF_RT715_DAI_ID_FIX if it is using the
rt715 DMIC.

Reviewed-by: Bard Liao <bard.liao@intel.com>
Signed-off-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210505163705.305616-11-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/intel/boards/sof_sdw.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 85a2797c2550..5827a16773c9 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -196,6 +196,7 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
 		},
 		.driver_data = (void *)(SOF_RT711_JD_SRC_JD1 |
 					SOF_SDW_TGL_HDMI |
+					SOF_RT715_DAI_ID_FIX |
 					SOF_SDW_PCH_DMIC),
 	},
 	{}
-- 
2.30.2

[PATCH AUTOSEL 5.12 004/104] dmaengine: fsl-qdma: check dma_set_mask return value

[Sasha Levin]

From: Robin Gong <yibin.gong@nxp.com>

[ Upstream commit f0c07993af0acf5545d5c1445798846565f4f147 ]

For fix below warning reported by static code analysis tool like Coverity
from Synopsys:

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Addresses-Coverity-ID: 12285639 ("Unchecked return value")
Link: https://lore.kernel.org/r/1619427549-20498-1-git-send-email-yibin.gong@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/dma/fsl-qdma.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index ed2ab46b15e7..045ead46ec8f 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -1235,7 +1235,11 @@ static int fsl_qdma_probe(struct platform_device *pdev)
 	fsl_qdma->dma_dev.device_synchronize = fsl_qdma_synchronize;
 	fsl_qdma->dma_dev.device_terminate_all = fsl_qdma_terminate_all;
 
-	dma_set_mask(&pdev->dev, DMA_BIT_MASK(40));
+	ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(40));
+	if (ret) {
+		dev_err(&pdev->dev, "dma_set_mask failure.\n");
+		return ret;
+	}
 
 	platform_set_drvdata(pdev, fsl_qdma);
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 005/104] scsi: arcmsr: Fix the wrong CDB payload report to IOP

[Sasha Levin]

From: ching Huang <ching2048@areca.com.tw>

[ Upstream commit 5b8644968d2ca85abb785e83efec36934974b0c2 ]

This patch fixes the wrong CDB payload report to IOP.

Link: https://lore.kernel.org/r/d2c97df3c817595c6faf582839316209022f70da.camel@areca.com.tw
Signed-off-by: ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/arcmsr/arcmsr_hba.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 4b79661275c9..930972cda38c 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1923,8 +1923,12 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr
 
 		if (ccb->arc_cdb_size <= 0x300)
 			arc_cdb_size = (ccb->arc_cdb_size - 1) >> 6 | 1;
-		else
-			arc_cdb_size = (((ccb->arc_cdb_size + 0xff) >> 8) + 2) << 1 | 1;
+		else {
+			arc_cdb_size = ((ccb->arc_cdb_size + 0xff) >> 8) + 2;
+			if (arc_cdb_size > 0xF)
+				arc_cdb_size = 0xF;
+			arc_cdb_size = (arc_cdb_size << 1) | 1;
+		}
 		ccb_post_stamp = (ccb->smid | arc_cdb_size);
 		writel(0, &pmu->inbound_queueport_high);
 		writel(ccb_post_stamp, &pmu->inbound_queueport_low);
-- 
2.30.2

[PATCH AUTOSEL 5.12 006/104] srcu: Fix broken node geometry after early ssp init

[Sasha Levin]

From: Frederic Weisbecker <frederic@kernel.org>

[ Upstream commit b5befe842e6612cf894cf4a199924ee872d8b7d8 ]

An srcu_struct structure that is initialized before rcu_init_geometry()
will have its srcu_node hierarchy based on CONFIG_NR_CPUS.  Once
rcu_init_geometry() is called, this hierarchy is compressed as needed
for the actual maximum number of CPUs for this system.

Later on, that srcu_struct structure is confused, sometimes referring
to its initial CONFIG_NR_CPUS-based hierarchy, and sometimes instead
to the new num_possible_cpus() hierarchy.  For example, each of its
->mynode fields continues to reference the original leaf rcu_node
structures, some of which might no longer exist.  On the other hand,
srcu_for_each_node_breadth_first() traverses to the new node hierarchy.

There are at least two bad possible outcomes to this:

1) a) A callback enqueued early on an srcu_data structure (call it
      *sdp) is recorded pending on sdp->mynode->srcu_data_have_cbs in
      srcu_funnel_gp_start() with sdp->mynode pointing to a deep leaf
      (say 3 levels).

   b) The grace period ends after rcu_init_geometry() shrinks the
      nodes level to a single one.  srcu_gp_end() walks through the new
      srcu_node hierarchy without ever reaching the old leaves so the
      callback is never executed.

   This is easily reproduced on an 8 CPUs machine with CONFIG_NR_CPUS >= 32
   and "rcupdate.rcu_self_test=1". The srcu_barrier() after early tests
   verification never completes and the boot hangs:

	[ 5413.141029] INFO: task swapper/0:1 blocked for more than 4915 seconds.
	[ 5413.147564]       Not tainted 5.12.0-rc4+ #28
	[ 5413.151927] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
	[ 5413.159753] task:swapper/0       state:D stack:    0 pid:    1 ppid:     0 flags:0x00004000
	[ 5413.168099] Call Trace:
	[ 5413.170555]  __schedule+0x36c/0x930
	[ 5413.174057]  ? wait_for_completion+0x88/0x110
	[ 5413.178423]  schedule+0x46/0xf0
	[ 5413.181575]  schedule_timeout+0x284/0x380
	[ 5413.185591]  ? wait_for_completion+0x88/0x110
	[ 5413.189957]  ? mark_held_locks+0x61/0x80
	[ 5413.193882]  ? mark_held_locks+0x61/0x80
	[ 5413.197809]  ? _raw_spin_unlock_irq+0x24/0x50
	[ 5413.202173]  ? wait_for_completion+0x88/0x110
	[ 5413.206535]  wait_for_completion+0xb4/0x110
	[ 5413.210724]  ? srcu_torture_stats_print+0x110/0x110
	[ 5413.215610]  srcu_barrier+0x187/0x200
	[ 5413.219277]  ? rcu_tasks_verify_self_tests+0x50/0x50
	[ 5413.224244]  ? rdinit_setup+0x2b/0x2b
	[ 5413.227907]  rcu_verify_early_boot_tests+0x2d/0x40
	[ 5413.232700]  do_one_initcall+0x63/0x310
	[ 5413.236541]  ? rdinit_setup+0x2b/0x2b
	[ 5413.240207]  ? rcu_read_lock_sched_held+0x52/0x80
	[ 5413.244912]  kernel_init_freeable+0x253/0x28f
	[ 5413.249273]  ? rest_init+0x250/0x250
	[ 5413.252846]  kernel_init+0xa/0x110
	[ 5413.256257]  ret_from_fork+0x22/0x30

2) An srcu_struct structure that is initialized before rcu_init_geometry()
   and used afterward will always have stale rdp->mynode references,
   resulting in callbacks to be missed in srcu_gp_end(), just like in
   the previous scenario.

This commit therefore causes init_srcu_struct_nodes to initialize the
geometry, if needed.  This ensures that the srcu_node hierarchy is
properly built and distributed from the get-go.

Suggested-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Neeraj Upadhyay <neeraju@codeaurora.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Uladzislau Rezki <urezki@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/rcu/rcu.h      |  2 ++
 kernel/rcu/srcutree.c |  3 +++
 kernel/rcu/tree.c     | 16 +++++++++++++++-
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index bf0827d4b659..cfd06fb5ba6d 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -308,6 +308,8 @@ static inline void rcu_init_levelspread(int *levelspread, const int *levelcnt)
 	}
 }
 
+extern void rcu_init_geometry(void);
+
 /* Returns a pointer to the first leaf rcu_node structure. */
 #define rcu_first_leaf_node() (rcu_state.level[rcu_num_lvls - 1])
 
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index e26547b34ad3..072e47288f1f 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -90,6 +90,9 @@ static void init_srcu_struct_nodes(struct srcu_struct *ssp, bool is_static)
 	struct srcu_node *snp;
 	struct srcu_node *snp_first;
 
+	/* Initialize geometry if it has not already been initialized. */
+	rcu_init_geometry();
+
 	/* Work out the overall tree geometry. */
 	ssp->level[0] = &ssp->node[0];
 	for (i = 1; i < rcu_num_lvls; i++)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 7356764e49a0..bbca0cba3c58 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -4502,11 +4502,25 @@ static void __init rcu_init_one(void)
  * replace the definitions in tree.h because those are needed to size
  * the ->node array in the rcu_state structure.
  */
-static void __init rcu_init_geometry(void)
+void rcu_init_geometry(void)
 {
 	ulong d;
 	int i;
+	static unsigned long old_nr_cpu_ids;
 	int rcu_capacity[RCU_NUM_LVLS];
+	static bool initialized;
+
+	if (initialized) {
+		/*
+		 * Warn if setup_nr_cpu_ids() had not yet been invoked,
+		 * unless nr_cpus_ids == NR_CPUS, in which case who cares?
+		 */
+		WARN_ON_ONCE(old_nr_cpu_ids != nr_cpu_ids);
+		return;
+	}
+
+	old_nr_cpu_ids = nr_cpu_ids;
+	initialized = true;
 
 	/*
 	 * Initialize any unspecified boot parameters.
-- 
2.30.2

[PATCH AUTOSEL 5.12 007/104] rcu: Reject RCU_LOCKDEP_WARN() false positives

[Sasha Levin]

From: "Paul E. McKenney" <paulmck@kernel.org>

[ Upstream commit 3066820034b5dd4e89bd74a7739c51c2d6f5e554 ]

If another lockdep report runs concurrently with an RCU lockdep report
from RCU_LOCKDEP_WARN(), the following sequence of events can occur:

1.	debug_lockdep_rcu_enabled() sees that lockdep is enabled
	when called from (say) synchronize_rcu().

2.	Lockdep is disabled by a concurrent lockdep report.

3.	debug_lockdep_rcu_enabled() evaluates its lockdep-expression
	argument, for example, lock_is_held(&rcu_bh_lock_map).

4.	Because lockdep is now disabled, lock_is_held() plays it safe and
	returns the constant 1.

5.	But in this case, the constant 1 is not safe, because invoking
	synchronize_rcu() under rcu_read_lock_bh() is disallowed.

6.	debug_lockdep_rcu_enabled() wrongly invokes lockdep_rcu_suspicious(),
	resulting in a false-positive splat.

This commit therefore changes RCU_LOCKDEP_WARN() to check
debug_lockdep_rcu_enabled() after checking the lockdep expression,
so that any "safe" returns from lock_is_held() are rejected by
debug_lockdep_rcu_enabled().  This requires memory ordering, which is
supplied by READ_ONCE(debug_locks).  The resulting volatile accesses
prevent the compiler from reordering and the fact that only one variable
is being accessed prevents the underlying hardware from reordering.
The combination works for IA64, which can reorder reads to the same
location, but this is defeated by the volatile accesses, which compile
to load instructions that provide ordering.

Reported-by: syzbot+dde0cc33951735441301@syzkaller.appspotmail.com
Reported-by: Matthew Wilcox <willy@infradead.org>
Reported-by: syzbot+88e4f02896967fe1ab0d@syzkaller.appspotmail.com
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Suggested-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/rcupdate.h | 2 +-
 kernel/rcu/update.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index bd04f722714f..d11bee5d9347 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -315,7 +315,7 @@ static inline int rcu_read_lock_any_held(void)
 #define RCU_LOCKDEP_WARN(c, s)						\
 	do {								\
 		static bool __section(".data.unlikely") __warned;	\
-		if (debug_lockdep_rcu_enabled() && !__warned && (c)) {	\
+		if ((c) && debug_lockdep_rcu_enabled() && !__warned) {	\
 			__warned = true;				\
 			lockdep_rcu_suspicious(__FILE__, __LINE__, s);	\
 		}							\
diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
index b95ae86c40a7..dd94a602a6d2 100644
--- a/kernel/rcu/update.c
+++ b/kernel/rcu/update.c
@@ -277,7 +277,7 @@ EXPORT_SYMBOL_GPL(rcu_callback_map);
 
 noinstr int notrace debug_lockdep_rcu_enabled(void)
 {
-	return rcu_scheduler_active != RCU_SCHEDULER_INACTIVE && debug_locks &&
+	return rcu_scheduler_active != RCU_SCHEDULER_INACTIVE && READ_ONCE(debug_locks) &&
 	       current->lockdep_recursion == 0;
 }
 EXPORT_SYMBOL_GPL(debug_lockdep_rcu_enabled);
-- 
2.30.2

[PATCH AUTOSEL 5.12 008/104] usb: dwc3: pci: Fix DEFINE for Intel Elkhart Lake

[Sasha Levin]

From: Raymond Tan <raymond.tan@intel.com>

[ Upstream commit 457d22850b27de3aea336108272d08602c55fdf7 ]

There's no separate low power (LP) version of Elkhart Lake, thus
this patch updates the PCI Device ID DEFINE to indicate this.

Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Raymond Tan <raymond.tan@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210512135901.28495-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/dwc3/dwc3-pci.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 19789e94bbd0..45ec5ac9876e 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -36,7 +36,7 @@
 #define PCI_DEVICE_ID_INTEL_CNPH		0xa36e
 #define PCI_DEVICE_ID_INTEL_CNPV		0xa3b0
 #define PCI_DEVICE_ID_INTEL_ICLLP		0x34ee
-#define PCI_DEVICE_ID_INTEL_EHLLP		0x4b7e
+#define PCI_DEVICE_ID_INTEL_EHL			0x4b7e
 #define PCI_DEVICE_ID_INTEL_TGPLP		0xa0ee
 #define PCI_DEVICE_ID_INTEL_TGPH		0x43ee
 #define PCI_DEVICE_ID_INTEL_JSP			0x4dee
@@ -167,7 +167,7 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc)
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
 		if (pdev->device == PCI_DEVICE_ID_INTEL_BXT ||
 		    pdev->device == PCI_DEVICE_ID_INTEL_BXT_M ||
-		    pdev->device == PCI_DEVICE_ID_INTEL_EHLLP) {
+		    pdev->device == PCI_DEVICE_ID_INTEL_EHL) {
 			guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid);
 			dwc->has_dsm_for_pm = true;
 		}
@@ -375,8 +375,8 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP),
 	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
-	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_swnode },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHL),
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP),
 	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
-- 
2.30.2

[PATCH AUTOSEL 5.12 009/104] tty: serial: fsl_lpuart: fix the potential risk of division or modulo by zero

[Sasha Levin]

From: Sherry Sun <sherry.sun@nxp.com>

[ Upstream commit fcb10ee27fb91b25b68d7745db9817ecea9f1038 ]

We should be very careful about the register values that will be used
for division or modulo operations, althrough the possibility that the
UARTBAUD register value is zero is very low, but we had better to deal
with the "bad data" of hardware in advance to avoid division or modulo
by zero leading to undefined kernel behavior.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Link: https://lore.kernel.org/r/20210427021226.27468-1-sherry.sun@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/fsl_lpuart.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 794035041744..777d54b593f8 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -2414,6 +2414,9 @@ lpuart32_console_get_options(struct lpuart_port *sport, int *baud,
 
 	bd = lpuart32_read(&sport->port, UARTBAUD);
 	bd &= UARTBAUD_SBR_MASK;
+	if (!bd)
+		return;
+
 	sbr = bd;
 	uartclk = lpuart_get_baud_clk_rate(sport);
 	/*
-- 
2.30.2

[PATCH AUTOSEL 5.12 010/104] serial: fsl_lpuart: disable DMA for console and fix sysrq

[Sasha Levin]

From: Michael Walle <michael@walle.cc>

[ Upstream commit 8cac2f6eb8548245e6f8fb893fc7f2a714952654 ]

SYSRQ doesn't work with DMA. This is because there is no error
indication whether a symbol had a framing error or not. Actually,
this is not completely correct, there is a bit in the data register
which is set in this case, but we'd have to read change the DMA access
to 16 bit and we'd need to post process the data, thus make the DMA
pointless in the first place.

Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20210512141255.18277-10-michael@walle.cc
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/fsl_lpuart.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 777d54b593f8..109131b84945 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -1581,6 +1581,9 @@ static void lpuart_tx_dma_startup(struct lpuart_port *sport)
 	u32 uartbaud;
 	int ret;
 
+	if (uart_console(&sport->port))
+		goto err;
+
 	if (!sport->dma_tx_chan)
 		goto err;
 
@@ -1610,6 +1613,9 @@ static void lpuart_rx_dma_startup(struct lpuart_port *sport)
 	int ret;
 	unsigned char cr3;
 
+	if (uart_console(&sport->port))
+		goto err;
+
 	if (!sport->dma_rx_chan)
 		goto err;
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 011/104] serial: 8250: of: Check for CONFIG_SERIAL_8250_BCM7271

[Sasha Levin]

From: Jim Quinlan <jim2101024@gmail.com>

[ Upstream commit f5b08386dee439c7a9e60ce0a4a4a705f3a60dff ]

Our SoC's have always had a NS16650A UART core and older SoC's would
have a compatible string of: 'compatible = ""ns16550a"' and use the
8250_of driver. Our newer SoC's have added enhancements to the base
core to add support for DMA and accurate high speed baud rates and use
this newer 8250_bcm7271 driver. The Device Tree node for our enhanced
UARTs has a compatible string of: 'compatible = "brcm,bcm7271-uart",
"ns16550a"''. With both drivers running and the link order setup so
that the 8250_bcm7217 driver is initialized before the 8250_of driver,
we should bind the 8250_bcm7271 driver to the enhanced UART, or for
upstream kernels that don't have the 8250_bcm7271 driver, we bind to
the 8250_of driver.

The problem is that when both the 8250_of and 8250_bcm7271 drivers
were running, occasionally the 8250_of driver would be bound to the
enhanced UART instead of the 8250_bcm7271 driver. This was happening
because we use SCMI based clocks which come up late in initialization
and cause probe DEFER's when the two drivers get their clocks.

Occasionally the SCMI clock would become ready between the 8250_bcm7271
probe and the 8250_of probe and the 8250_of driver would be bound. To
fix this we decided to config only our 8250_bcm7271 driver and added
"ns16665a0" to the compatible string so the driver would work on our
older system.

This commit has of_platform_serial_probe() check specifically for the
"brcm,bcm7271-uart" and whether its companion driver is enabled. If it
is the case, and the clock provider is not ready, we want to make sure
that when the 8250_bcm7271.c driver returns EPROBE_DEFER, we are not
getting the UART registered via 8250_of.c.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210423183206.3917725-1-f.fainelli@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/8250/8250_of.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index 65e9045dafe6..aa458f3c6644 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -192,6 +192,10 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
 	u32 tx_threshold;
 	int ret;
 
+	if (IS_ENABLED(CONFIG_SERIAL_8250_BCM7271) &&
+	    of_device_is_compatible(ofdev->dev.of_node, "brcm,bcm7271-uart"))
+		return -ENODEV;
+
 	port_type = (unsigned long)of_device_get_match_data(&ofdev->dev);
 	if (port_type == PORT_UNKNOWN)
 		return -EINVAL;
-- 
2.30.2

[PATCH AUTOSEL 5.12 012/104] misc/libmasm/module: Fix two use after free in ibmasm_init_one

[Sasha Levin]

From: Lv Yunlong <lyl2019@mail.ustc.edu.cn>

[ Upstream commit 7272b591c4cb9327c43443f67b8fbae7657dd9ae ]

In ibmasm_init_one, it calls ibmasm_init_remote_input_dev().
Inside ibmasm_init_remote_input_dev, mouse_dev and keybd_dev are
allocated by input_allocate_device(), and assigned to
sp->remote.mouse_dev and sp->remote.keybd_dev respectively.

In the err_free_devices error branch of ibmasm_init_one,
mouse_dev and keybd_dev are freed by input_free_device(), and return
error. Then the execution runs into error_send_message error branch
of ibmasm_init_one, where ibmasm_free_remote_input_dev(sp) is called
to unregister the freed sp->remote.mouse_dev and sp->remote.keybd_dev.

My patch add a "error_init_remote" label to handle the error of
ibmasm_init_remote_input_dev(), to avoid the uaf bugs.

Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Link: https://lore.kernel.org/r/20210426170620.10546-1-lyl2019@mail.ustc.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/ibmasm/module.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c
index 4edad6c445d3..dc8a06c06c63 100644
--- a/drivers/misc/ibmasm/module.c
+++ b/drivers/misc/ibmasm/module.c
@@ -111,7 +111,7 @@ static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	result = ibmasm_init_remote_input_dev(sp);
 	if (result) {
 		dev_err(sp->dev, "Failed to initialize remote queue\n");
-		goto error_send_message;
+		goto error_init_remote;
 	}
 
 	result = ibmasm_send_driver_vpd(sp);
@@ -131,8 +131,9 @@ static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	return 0;
 
 error_send_message:
-	disable_sp_interrupts(sp->base_address);
 	ibmasm_free_remote_input_dev(sp);
+error_init_remote:
+	disable_sp_interrupts(sp->base_address);
 	free_irq(sp->irq, (void *)sp);
 error_request_irq:
 	iounmap(sp->base_address);
-- 
2.30.2

[PATCH AUTOSEL 5.12 013/104] misc: alcor_pci: fix null-ptr-deref when there is no PCI bridge

[Sasha Levin]

From: Tong Zhang <ztong0001@gmail.com>

[ Upstream commit 3ce3e45cc333da707d4d6eb433574b990bcc26f5 ]

There is an issue with the ASPM(optional) capability checking function.
A device might be attached to root complex directly, in this case,
bus->self(bridge) will be NULL, thus priv->parent_pdev is NULL.
Since alcor_pci_init_check_aspm(priv->parent_pdev) checks the PCI link's
ASPM capability and populate parent_cap_off, which will be used later by
alcor_pci_aspm_ctrl() to dynamically turn on/off device, what we can do
here is to avoid checking the capability if we are on the root complex.
This will make pdev_cap_off 0 and alcor_pci_aspm_ctrl() will simply
return when bring called, effectively disable ASPM for the device.

[    1.246492] BUG: kernel NULL pointer dereference, address: 00000000000000c0
[    1.248731] RIP: 0010:pci_read_config_byte+0x5/0x40
[    1.253998] Call Trace:
[    1.254131]  ? alcor_pci_find_cap_offset.isra.0+0x3a/0x100 [alcor_pci]
[    1.254476]  alcor_pci_probe+0x169/0x2d5 [alcor_pci]

Co-developed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Link: https://lore.kernel.org/r/20210513040732.1310159-1-ztong0001@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/cardreader/alcor_pci.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/cardreader/alcor_pci.c b/drivers/misc/cardreader/alcor_pci.c
index cd402c89189e..0a62307f7ffb 100644
--- a/drivers/misc/cardreader/alcor_pci.c
+++ b/drivers/misc/cardreader/alcor_pci.c
@@ -139,7 +139,13 @@ static void alcor_pci_init_check_aspm(struct alcor_pci_priv *priv)
 	u32 val32;
 
 	priv->pdev_cap_off    = alcor_pci_find_cap_offset(priv, priv->pdev);
-	priv->parent_cap_off = alcor_pci_find_cap_offset(priv,
+	/*
+	 * A device might be attached to root complex directly and
+	 * priv->parent_pdev will be NULL. In this case we don't check its
+	 * capability and disable ASPM completely.
+	 */
+	if (!priv->parent_pdev)
+		priv->parent_cap_off = alcor_pci_find_cap_offset(priv,
 							 priv->parent_pdev);
 
 	if ((priv->pdev_cap_off == 0) || (priv->parent_cap_off == 0)) {
-- 
2.30.2

[PATCH AUTOSEL 5.12 014/104] ASoC: intel/boards: add missing MODULE_DEVICE_TABLE

[Sasha Levin]

From: Zou Wei <zou_wei@huawei.com>

[ Upstream commit a75e5cdf4dd1307bb1541edbb0c008f40896644c ]

This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1620791647-16024-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/intel/boards/sof_da7219_max98373.c | 1 +
 sound/soc/intel/boards/sof_rt5682.c          | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sound/soc/intel/boards/sof_da7219_max98373.c b/sound/soc/intel/boards/sof_da7219_max98373.c
index f3cb0773e70e..8d1ad892e86b 100644
--- a/sound/soc/intel/boards/sof_da7219_max98373.c
+++ b/sound/soc/intel/boards/sof_da7219_max98373.c
@@ -440,6 +440,7 @@ static const struct platform_device_id board_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(platform, board_ids);
 
 static struct platform_driver audio = {
 	.probe = audio_probe,
diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index 55505e207bc0..56e92a1ff34d 100644
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -942,6 +942,7 @@ static const struct platform_device_id board_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(platform, board_ids);
 
 static struct platform_driver sof_audio = {
 	.probe = sof_audio_probe,
-- 
2.30.2

[PATCH AUTOSEL 5.12 015/104] partitions: msdos: fix one-byte get_unaligned()

[Sasha Levin]

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 1b1774998b2dec837a57d729d1a22e5eb2d6d206 ]

A simplification of get_unaligned() clashes with callers that pass
in a character pointer, causing a harmless warning like:

block/partitions/msdos.c: In function 'msdos_partition':
include/asm-generic/unaligned.h:13:22: warning: 'packed' attribute ignored for field of type 'u8' {aka 'unsigned char'} [-Wattributes]

Remove the SYS_IND() macro with the get_unaligned() call
and just use the ->ind field directly.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 block/partitions/ldm.c   |  2 +-
 block/partitions/ldm.h   |  3 ---
 block/partitions/msdos.c | 24 +++++++++++-------------
 3 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/block/partitions/ldm.c b/block/partitions/ldm.c
index d333786b5c7e..cc86534c80ad 100644
--- a/block/partitions/ldm.c
+++ b/block/partitions/ldm.c
@@ -510,7 +510,7 @@ static bool ldm_validate_partition_table(struct parsed_partitions *state)
 
 	p = (struct msdos_partition *)(data + 0x01BE);
 	for (i = 0; i < 4; i++, p++)
-		if (SYS_IND (p) == LDM_PARTITION) {
+		if (p->sys_ind == LDM_PARTITION) {
 			result = true;
 			break;
 		}
diff --git a/block/partitions/ldm.h b/block/partitions/ldm.h
index d8d6beaa72c4..8693704dcf5e 100644
--- a/block/partitions/ldm.h
+++ b/block/partitions/ldm.h
@@ -84,9 +84,6 @@ struct parsed_partitions;
 #define TOC_BITMAP1		"config"	/* Names of the two defined */
 #define TOC_BITMAP2		"log"		/* bitmaps in the TOCBLOCK. */
 
-/* Borrowed from msdos.c */
-#define SYS_IND(p)		(get_unaligned(&(p)->sys_ind))
-
 struct frag {				/* VBLK Fragment handling */
 	struct list_head list;
 	u32		group;
diff --git a/block/partitions/msdos.c b/block/partitions/msdos.c
index 8f2fcc080264..c94de377c502 100644
--- a/block/partitions/msdos.c
+++ b/block/partitions/msdos.c
@@ -38,8 +38,6 @@
  */
 #include <asm/unaligned.h>
 
-#define SYS_IND(p)	get_unaligned(&p->sys_ind)
-
 static inline sector_t nr_sects(struct msdos_partition *p)
 {
 	return (sector_t)get_unaligned_le32(&p->nr_sects);
@@ -52,9 +50,9 @@ static inline sector_t start_sect(struct msdos_partition *p)
 
 static inline int is_extended_partition(struct msdos_partition *p)
 {
-	return (SYS_IND(p) == DOS_EXTENDED_PARTITION ||
-		SYS_IND(p) == WIN98_EXTENDED_PARTITION ||
-		SYS_IND(p) == LINUX_EXTENDED_PARTITION);
+	return (p->sys_ind == DOS_EXTENDED_PARTITION ||
+		p->sys_ind == WIN98_EXTENDED_PARTITION ||
+		p->sys_ind == LINUX_EXTENDED_PARTITION);
 }
 
 #define MSDOS_LABEL_MAGIC1	0x55
@@ -193,7 +191,7 @@ static void parse_extended(struct parsed_partitions *state,
 
 			put_partition(state, state->next, next, size);
 			set_info(state, state->next, disksig);
-			if (SYS_IND(p) == LINUX_RAID_PARTITION)
+			if (p->sys_ind == LINUX_RAID_PARTITION)
 				state->parts[state->next].flags = ADDPART_FLAG_RAID;
 			loopct = 0;
 			if (++state->next == state->limit)
@@ -546,7 +544,7 @@ static void parse_minix(struct parsed_partitions *state,
 	 * a secondary MBR describing its subpartitions, or
 	 * the normal boot sector. */
 	if (msdos_magic_present(data + 510) &&
-	    SYS_IND(p) == MINIX_PARTITION) { /* subpartition table present */
+	    p->sys_ind == MINIX_PARTITION) { /* subpartition table present */
 		char tmp[1 + BDEVNAME_SIZE + 10 + 9 + 1];
 
 		snprintf(tmp, sizeof(tmp), " %s%d: <minix:", state->name, origin);
@@ -555,7 +553,7 @@ static void parse_minix(struct parsed_partitions *state,
 			if (state->next == state->limit)
 				break;
 			/* add each partition in use */
-			if (SYS_IND(p) == MINIX_PARTITION)
+			if (p->sys_ind == MINIX_PARTITION)
 				put_partition(state, state->next++,
 					      start_sect(p), nr_sects(p));
 		}
@@ -643,7 +641,7 @@ int msdos_partition(struct parsed_partitions *state)
 	p = (struct msdos_partition *) (data + 0x1be);
 	for (slot = 1 ; slot <= 4 ; slot++, p++) {
 		/* If this is an EFI GPT disk, msdos should ignore it. */
-		if (SYS_IND(p) == EFI_PMBR_OSTYPE_EFI_GPT) {
+		if (p->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT) {
 			put_dev_sector(sect);
 			return 0;
 		}
@@ -685,11 +683,11 @@ int msdos_partition(struct parsed_partitions *state)
 		}
 		put_partition(state, slot, start, size);
 		set_info(state, slot, disksig);
-		if (SYS_IND(p) == LINUX_RAID_PARTITION)
+		if (p->sys_ind == LINUX_RAID_PARTITION)
 			state->parts[slot].flags = ADDPART_FLAG_RAID;
-		if (SYS_IND(p) == DM6_PARTITION)
+		if (p->sys_ind == DM6_PARTITION)
 			strlcat(state->pp_buf, "[DM]", PAGE_SIZE);
-		if (SYS_IND(p) == EZD_PARTITION)
+		if (p->sys_ind == EZD_PARTITION)
 			strlcat(state->pp_buf, "[EZD]", PAGE_SIZE);
 	}
 
@@ -698,7 +696,7 @@ int msdos_partition(struct parsed_partitions *state)
 	/* second pass - output for each on a separate line */
 	p = (struct msdos_partition *) (0x1be + data);
 	for (slot = 1 ; slot <= 4 ; slot++, p++) {
-		unsigned char id = SYS_IND(p);
+		unsigned char id = p->sys_ind;
 		int n;
 
 		if (!nr_sects(p))
-- 
2.30.2

[PATCH AUTOSEL 5.12 016/104] iio: imu: st_lsm6dsx: correct ODR in header

[Sasha Levin]

From: Sean Nyekjaer <sean@geanix.com>

[ Upstream commit f7d5c18a8c371c306d73757547c2e0d6cfc764b3 ]

Fix wrongly stated 13 Hz ODR for accelerometers, the correct ODR is 12.5 Hz

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 7cedaab096a7..e8d242ee6743 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -15,19 +15,19 @@
  *
  * Supported sensors:
  * - LSM6DS3:
- *   - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416
+ *   - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416
  *   - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
  *   - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
  *   - FIFO size: 8KB
  *
  * - LSM6DS3H/LSM6DSL/LSM6DSM/ISM330DLC/LSM6DS3TR-C:
- *   - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416
+ *   - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416
  *   - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
  *   - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
  *   - FIFO size: 4KB
  *
  * - LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR/ISM330DHCX/LSM6DST/LSM6DSOP:
- *   - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416,
+ *   - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416,
  *     833
  *   - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
  *   - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
-- 
2.30.2

[PATCH AUTOSEL 5.12 017/104] iio: gyro: fxa21002c: Balance runtime pm + use pm_runtime_resume_and_get().

[Sasha Levin]

From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

[ Upstream commit 41120ebbb1eb5e9dec93320e259d5b2c93226073 ]

In both the probe() error path and remove() pm_runtime_put_noidle()
is called which will decrement the runtime pm reference count.
However, there is no matching function to have raised the reference count.
Not this isn't a fix as the runtime pm core will stop the reference count
going negative anyway.

An alternative would have been to raise the count in these paths, but
it is not clear why that would be necessary.

Whilst we are here replace some boilerplate with pm_runtime_resume_and_get()
Found using coccicheck script under review at:
https://lore.kernel.org/lkml/20210427141946.2478411-1-Julia.Lawall@inria.fr/

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Rui Miguel Silva <rui.silva@linaro.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/20210509113354.660190-2-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iio/gyro/fxas21002c_core.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/iio/gyro/fxas21002c_core.c b/drivers/iio/gyro/fxas21002c_core.c
index b7523357d8eb..ec6bd15bd2d4 100644
--- a/drivers/iio/gyro/fxas21002c_core.c
+++ b/drivers/iio/gyro/fxas21002c_core.c
@@ -366,14 +366,7 @@ static int fxas21002c_write(struct fxas21002c_data *data,
 
 static int  fxas21002c_pm_get(struct fxas21002c_data *data)
 {
-	struct device *dev = regmap_get_device(data->regmap);
-	int ret;
-
-	ret = pm_runtime_get_sync(dev);
-	if (ret < 0)
-		pm_runtime_put_noidle(dev);
-
-	return ret;
+	return pm_runtime_resume_and_get(regmap_get_device(data->regmap));
 }
 
 static int  fxas21002c_pm_put(struct fxas21002c_data *data)
@@ -1005,7 +998,6 @@ int fxas21002c_core_probe(struct device *dev, struct regmap *regmap, int irq,
 pm_disable:
 	pm_runtime_disable(dev);
 	pm_runtime_set_suspended(dev);
-	pm_runtime_put_noidle(dev);
 
 	return ret;
 }
@@ -1019,7 +1011,6 @@ void fxas21002c_core_remove(struct device *dev)
 
 	pm_runtime_disable(dev);
 	pm_runtime_set_suspended(dev);
-	pm_runtime_put_noidle(dev);
 }
 EXPORT_SYMBOL_GPL(fxas21002c_core_remove);
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 018/104] iio: magn: bmc150: Balance runtime pm + use pm_runtime_resume_and_get()

[Sasha Levin]

From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

[ Upstream commit 264da512431495e542fcaf56ffe75e7df0e7db74 ]

probe() error paths after runtime pm is enabled, should disable it.
remove() should not call pm_runtime_put_noidle() as there is no
matching get() to have raised the reference count.  This case
has no affect a the runtime pm core protects against going negative.

Whilst here use pm_runtime_resume_and_get() to tidy things up a little.
coccicheck script didn't get this one due to complex code structure so
found by inspection.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/20210509113354.660190-12-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iio/magnetometer/bmc150_magn.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c
index b2f3129e1b4f..03d25c725533 100644
--- a/drivers/iio/magnetometer/bmc150_magn.c
+++ b/drivers/iio/magnetometer/bmc150_magn.c
@@ -262,7 +262,7 @@ static int bmc150_magn_set_power_state(struct bmc150_magn_data *data, bool on)
 	int ret;
 
 	if (on) {
-		ret = pm_runtime_get_sync(data->dev);
+		ret = pm_runtime_resume_and_get(data->dev);
 	} else {
 		pm_runtime_mark_last_busy(data->dev);
 		ret = pm_runtime_put_autosuspend(data->dev);
@@ -271,9 +271,6 @@ static int bmc150_magn_set_power_state(struct bmc150_magn_data *data, bool on)
 	if (ret < 0) {
 		dev_err(data->dev,
 			"failed to change power state to %d\n", on);
-		if (on)
-			pm_runtime_put_noidle(data->dev);
-
 		return ret;
 	}
 #endif
@@ -964,12 +961,14 @@ int bmc150_magn_probe(struct device *dev, struct regmap *regmap,
 	ret = iio_device_register(indio_dev);
 	if (ret < 0) {
 		dev_err(dev, "unable to register iio device\n");
-		goto err_buffer_cleanup;
+		goto err_disable_runtime_pm;
 	}
 
 	dev_dbg(dev, "Registered device %s\n", name);
 	return 0;
 
+err_disable_runtime_pm:
+	pm_runtime_disable(dev);
 err_buffer_cleanup:
 	iio_triggered_buffer_cleanup(indio_dev);
 err_free_irq:
@@ -993,7 +992,6 @@ int bmc150_magn_remove(struct device *dev)
 
 	pm_runtime_disable(dev);
 	pm_runtime_set_suspended(dev);
-	pm_runtime_put_noidle(dev);
 
 	iio_triggered_buffer_cleanup(indio_dev);
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 019/104] ALSA: usx2y: Avoid camelCase

[Sasha Levin]

From: Takashi Iwai <tiwai@suse.de>

[ Upstream commit bae3ce4942980d5f7b2b9855f4a2db0c00f9dfbd ]

For improving readability, convert camelCase fields, variables and
functions to the plain names with underscore.  Also align the macros
to be capital letters.

All done via sed, no functional changes.

Note that you'll still see many coding style issues even after this
patch; the fixes will follow.

Link: https://lore.kernel.org/r/20210517131545.27252-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/usb/usx2y/usX2Yhwdep.c      |  56 ++--
 sound/usb/usx2y/usX2Yhwdep.h      |   2 +-
 sound/usb/usx2y/usbus428ctldefs.h | 102 +++----
 sound/usb/usx2y/usbusx2y.c        | 218 +++++++--------
 sound/usb/usx2y/usbusx2y.h        |  58 ++--
 sound/usb/usx2y/usbusx2yaudio.c   | 448 +++++++++++++++---------------
 sound/usb/usx2y/usx2yhwdeppcm.c   | 410 +++++++++++++--------------
 sound/usb/usx2y/usx2yhwdeppcm.h   |   4 +-
 8 files changed, 649 insertions(+), 649 deletions(-)

diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c
index 22412cd69e98..10868c3fb656 100644
--- a/sound/usb/usx2y/usX2Yhwdep.c
+++ b/sound/usb/usx2y/usX2Yhwdep.c
@@ -29,7 +29,7 @@ static vm_fault_t snd_us428ctls_vm_fault(struct vm_fault *vmf)
 		   vmf->pgoff);
 	
 	offset = vmf->pgoff << PAGE_SHIFT;
-	vaddr = (char *)((struct usX2Ydev *)vmf->vma->vm_private_data)->us428ctls_sharedmem + offset;
+	vaddr = (char *)((struct usx2ydev *)vmf->vma->vm_private_data)->us428ctls_sharedmem + offset;
 	page = virt_to_page(vaddr);
 	get_page(page);
 	vmf->page = page;
@@ -47,7 +47,7 @@ static const struct vm_operations_struct us428ctls_vm_ops = {
 static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area)
 {
 	unsigned long	size = (unsigned long)(area->vm_end - area->vm_start);
-	struct usX2Ydev	*us428 = hw->private_data;
+	struct usx2ydev	*us428 = hw->private_data;
 
 	// FIXME this hwdep interface is used twice: fpga download and mmap for controlling Lights etc. Maybe better using 2 hwdep devs?
 	// so as long as the device isn't fully initialised yet we return -EBUSY here.
@@ -66,7 +66,7 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v
 		if (!us428->us428ctls_sharedmem)
 			return -ENOMEM;
 		memset(us428->us428ctls_sharedmem, -1, sizeof(struct us428ctls_sharedmem));
-		us428->us428ctls_sharedmem->CtlSnapShotLast = -2;
+		us428->us428ctls_sharedmem->ctl_snapshot_last = -2;
 	}
 	area->vm_ops = &us428ctls_vm_ops;
 	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
@@ -77,21 +77,21 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v
 static __poll_t snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait)
 {
 	__poll_t	mask = 0;
-	struct usX2Ydev	*us428 = hw->private_data;
+	struct usx2ydev	*us428 = hw->private_data;
 	struct us428ctls_sharedmem *shm = us428->us428ctls_sharedmem;
 	if (us428->chip_status & USX2Y_STAT_CHIP_HUP)
 		return EPOLLHUP;
 
 	poll_wait(file, &us428->us428ctls_wait_queue_head, wait);
 
-	if (shm != NULL && shm->CtlSnapShotLast != shm->CtlSnapShotRed)
+	if (shm != NULL && shm->ctl_snapshot_last != shm->ctl_snapshot_red)
 		mask |= EPOLLIN;
 
 	return mask;
 }
 
 
-static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw,
+static int snd_usx2y_hwdep_dsp_status(struct snd_hwdep *hw,
 				      struct snd_hwdep_dsp_status *info)
 {
 	static const char * const type_ids[USX2Y_TYPE_NUMS] = {
@@ -99,7 +99,7 @@ static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw,
 		[USX2Y_TYPE_224] = "us224",
 		[USX2Y_TYPE_428] = "us428",
 	};
-	struct usX2Ydev	*us428 = hw->private_data;
+	struct usx2ydev	*us428 = hw->private_data;
 	int id = -1;
 
 	switch (le16_to_cpu(us428->dev->descriptor.idProduct)) {
@@ -124,7 +124,7 @@ static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw,
 }
 
 
-static int usX2Y_create_usbmidi(struct snd_card *card)
+static int usx2y_create_usbmidi(struct snd_card *card)
 {
 	static const struct snd_usb_midi_endpoint_info quirk_data_1 = {
 		.out_ep = 0x06,
@@ -152,28 +152,28 @@ static int usX2Y_create_usbmidi(struct snd_card *card)
        		.type = QUIRK_MIDI_FIXED_ENDPOINT,
 		.data = &quirk_data_2
 	};
-	struct usb_device *dev = usX2Y(card)->dev;
+	struct usb_device *dev = usx2y(card)->dev;
 	struct usb_interface *iface = usb_ifnum_to_if(dev, 0);
 	const struct snd_usb_audio_quirk *quirk =
 		le16_to_cpu(dev->descriptor.idProduct) == USB_ID_US428 ?
 		&quirk_2 : &quirk_1;
 
-	snd_printdd("usX2Y_create_usbmidi \n");
-	return snd_usbmidi_create(card, iface, &usX2Y(card)->midi_list, quirk);
+	snd_printdd("usx2y_create_usbmidi \n");
+	return snd_usbmidi_create(card, iface, &usx2y(card)->midi_list, quirk);
 }
 
-static int usX2Y_create_alsa_devices(struct snd_card *card)
+static int usx2y_create_alsa_devices(struct snd_card *card)
 {
 	int err;
 
 	do {
-		if ((err = usX2Y_create_usbmidi(card)) < 0) {
-			snd_printk(KERN_ERR "usX2Y_create_alsa_devices: usX2Y_create_usbmidi error %i \n", err);
+		if ((err = usx2y_create_usbmidi(card)) < 0) {
+			snd_printk(KERN_ERR "usx2y_create_alsa_devices: usx2y_create_usbmidi error %i \n", err);
 			break;
 		}
-		if ((err = usX2Y_audio_create(card)) < 0) 
+		if ((err = usx2y_audio_create(card)) < 0) 
 			break;
-		if ((err = usX2Y_hwdep_pcm_new(card)) < 0)
+		if ((err = usx2y_hwdep_pcm_new(card)) < 0)
 			break;
 		if ((err = snd_card_register(card)) < 0)
 			break;
@@ -182,10 +182,10 @@ static int usX2Y_create_alsa_devices(struct snd_card *card)
 	return err;
 } 
 
-static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw,
+static int snd_usx2y_hwdep_dsp_load(struct snd_hwdep *hw,
 				    struct snd_hwdep_dsp_image *dsp)
 {
-	struct usX2Ydev *priv = hw->private_data;
+	struct usx2ydev *priv = hw->private_data;
 	struct usb_device* dev = priv->dev;
 	int lret, err;
 	char *buf;
@@ -206,19 +206,19 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw,
 		return err;
 	if (dsp->index == 1) {
 		msleep(250);				// give the device some time
-		err = usX2Y_AsyncSeq04_init(priv);
+		err = usx2y_async_seq04_init(priv);
 		if (err) {
-			snd_printk(KERN_ERR "usX2Y_AsyncSeq04_init error \n");
+			snd_printk(KERN_ERR "usx2y_async_seq04_init error \n");
 			return err;
 		}
-		err = usX2Y_In04_init(priv);
+		err = usx2y_in04_init(priv);
 		if (err) {
-			snd_printk(KERN_ERR "usX2Y_In04_init error \n");
+			snd_printk(KERN_ERR "usx2y_in04_init error \n");
 			return err;
 		}
-		err = usX2Y_create_alsa_devices(hw->card);
+		err = usx2y_create_alsa_devices(hw->card);
 		if (err) {
-			snd_printk(KERN_ERR "usX2Y_create_alsa_devices error %i \n", err);
+			snd_printk(KERN_ERR "usx2y_create_alsa_devices error %i \n", err);
 			snd_card_free(hw->card);
 			return err;
 		}
@@ -229,7 +229,7 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw,
 }
 
 
-int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device)
+int usx2y_hwdep_new(struct snd_card *card, struct usb_device* device)
 {
 	int err;
 	struct snd_hwdep *hw;
@@ -238,9 +238,9 @@ int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device)
 		return err;
 
 	hw->iface = SNDRV_HWDEP_IFACE_USX2Y;
-	hw->private_data = usX2Y(card);
-	hw->ops.dsp_status = snd_usX2Y_hwdep_dsp_status;
-	hw->ops.dsp_load = snd_usX2Y_hwdep_dsp_load;
+	hw->private_data = usx2y(card);
+	hw->ops.dsp_status = snd_usx2y_hwdep_dsp_status;
+	hw->ops.dsp_load = snd_usx2y_hwdep_dsp_load;
 	hw->ops.mmap = snd_us428ctls_mmap;
 	hw->ops.poll = snd_us428ctls_poll;
 	hw->exclusive = 1;
diff --git a/sound/usb/usx2y/usX2Yhwdep.h b/sound/usb/usx2y/usX2Yhwdep.h
index 457199b5ed03..34cef625712c 100644
--- a/sound/usb/usx2y/usX2Yhwdep.h
+++ b/sound/usb/usx2y/usX2Yhwdep.h
@@ -2,6 +2,6 @@
 #ifndef USX2YHWDEP_H
 #define USX2YHWDEP_H
 
-int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device);
+int usx2y_hwdep_new(struct snd_card *card, struct usb_device* device);
 
 #endif
diff --git a/sound/usb/usx2y/usbus428ctldefs.h b/sound/usb/usx2y/usbus428ctldefs.h
index 5a7518ea3aeb..7366a940ffbb 100644
--- a/sound/usb/usx2y/usbus428ctldefs.h
+++ b/sound/usb/usx2y/usbus428ctldefs.h
@@ -4,28 +4,28 @@
  * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de>
  */
 
-enum E_In84{
-	eFader0 = 0,
-	eFader1,
-	eFader2,
-	eFader3,
-	eFader4,
-	eFader5,
-	eFader6,
-	eFader7,
-	eFaderM,
-	eTransport,
-	eModifier = 10,
-	eFilterSelect,
-	eSelect,
-	eMute,
+enum E_IN84 {
+	E_FADER_0 = 0,
+	E_FADER_1,
+	E_FADER_2,
+	E_FADER_3,
+	E_FADER_4,
+	E_FADER_5,
+	E_FADER_6,
+	E_FADER_7,
+	E_FADER_M,
+	E_TRANSPORT,
+	E_MODIFIER = 10,
+	E_FILTER_SELECT,
+	E_SELECT,
+	E_MUTE,
 
-	eSwitch   = 15,
-	eWheelGain,
-	eWheelFreq,
-	eWheelQ,
-	eWheelPan,
-	eWheel    = 20
+	E_SWITCH   = 15,
+	E_WHEEL_GAIN,
+	E_WHEEL_FREQ,
+	E_WHEEL_Q,
+	E_WHEEL_PAN,
+	E_WHEEL    = 20
 };
 
 #define T_RECORD   1
@@ -39,53 +39,53 @@ enum E_In84{
 
 
 struct us428_ctls {
-	unsigned char   Fader[9];
-	unsigned char 	Transport;
-	unsigned char 	Modifier;
-	unsigned char 	FilterSelect;
-	unsigned char 	Select;
-	unsigned char   Mute;
-	unsigned char   UNKNOWN;
-	unsigned char   Switch;	     
-	unsigned char   Wheel[5];
+	unsigned char   fader[9];
+	unsigned char 	transport;
+	unsigned char 	modifier;
+	unsigned char 	filters_elect;
+	unsigned char 	select;
+	unsigned char   mute;
+	unsigned char   unknown;
+	unsigned char   wswitch;	     
+	unsigned char   wheel[5];
 };
 
-struct us428_setByte {
-	unsigned char Offset,
-		Value;
+struct us428_set_byte {
+	unsigned char offset,
+		value;
 };
 
 enum {
-	eLT_Volume = 0,
-	eLT_Light
+	ELT_VOLUME = 0,
+	ELT_LIGHT
 };
 
-struct usX2Y_volume {
-	unsigned char Channel,
-		LH,
-		LL,
-		RH,
-		RL;
+struct usx2y_volume {
+	unsigned char channel,
+		lh,
+		ll,
+		rh,
+		rl;
 };
 
 struct us428_lights {
-	struct us428_setByte Light[7];
+	struct us428_set_byte light[7];
 };
 
 struct us428_p4out {
 	char type;
 	union {
-		struct usX2Y_volume vol;
+		struct usx2y_volume vol;
 		struct us428_lights lights;
 	} val;
 };
 
-#define N_us428_ctl_BUFS 16
-#define N_us428_p4out_BUFS 16
-struct us428ctls_sharedmem{
-	struct us428_ctls	CtlSnapShot[N_us428_ctl_BUFS];
-	int			CtlSnapShotDiffersAt[N_us428_ctl_BUFS];
-	int			CtlSnapShotLast, CtlSnapShotRed;
-	struct us428_p4out	p4out[N_us428_p4out_BUFS];
-	int			p4outLast, p4outSent;
+#define N_US428_CTL_BUFS 16
+#define N_US428_P4OUT_BUFS 16
+struct us428ctls_sharedmem {
+	struct us428_ctls	ctl_snapshot[N_US428_CTL_BUFS];
+	int			ctl_snapshot_differs_at[N_US428_CTL_BUFS];
+	int			ctl_snapshot_last, ctl_snapshot_red;
+	struct us428_p4out	p4out[N_US428_P4OUT_BUFS];
+	int			p4out_last, p4out_sent;
 };
diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c
index 3cd28d24f0a7..cdbb27a96e04 100644
--- a/sound/usb/usx2y/usbusx2y.c
+++ b/sound/usb/usx2y/usbusx2y.c
@@ -17,7 +17,7 @@
 
 2004-10-26 Karsten Wiese
 	Version 0.8.6:
-	wake_up() process waiting in usX2Y_urbs_start() on error.
+	wake_up() process waiting in usx2y_urbs_start() on error.
 
 2004-10-21 Karsten Wiese
 	Version 0.8.5:
@@ -48,7 +48,7 @@
 2004-06-12 Karsten Wiese
 	Version 0.6.3:
 	Made it thus the following rule is enforced:
-	"All pcm substreams of one usX2Y have to operate at the same rate & format."
+	"All pcm substreams of one usx2y have to operate at the same rate & format."
 
 2004-04-06 Karsten Wiese
 	Version 0.6.0:
@@ -150,161 +150,161 @@ module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");
 
 
-static int snd_usX2Y_card_used[SNDRV_CARDS];
+static int snd_usx2y_card_used[SNDRV_CARDS];
 
-static void usX2Y_usb_disconnect(struct usb_device* usb_device, void* ptr);
-static void snd_usX2Y_card_private_free(struct snd_card *card);
+static void usx2y_usb_disconnect(struct usb_device* usb_device, void* ptr);
+static void snd_usx2y_card_private_free(struct snd_card *card);
 
 /* 
  * pipe 4 is used for switching the lamps, setting samplerate, volumes ....   
  */
-static void i_usX2Y_Out04Int(struct urb *urb)
+static void i_usx2y_out04_int(struct urb *urb)
 {
 #ifdef CONFIG_SND_DEBUG
 	if (urb->status) {
 		int 		i;
-		struct usX2Ydev *usX2Y = urb->context;
-		for (i = 0; i < 10 && usX2Y->AS04.urb[i] != urb; i++);
-		snd_printdd("i_usX2Y_Out04Int() urb %i status=%i\n", i, urb->status);
+		struct usx2ydev *usx2y = urb->context;
+		for (i = 0; i < 10 && usx2y->as04.urb[i] != urb; i++);
+		snd_printdd("i_usx2y_out04_int() urb %i status=%i\n", i, urb->status);
 	}
 #endif
 }
 
-static void i_usX2Y_In04Int(struct urb *urb)
+static void i_usx2y_in04_int(struct urb *urb)
 {
 	int			err = 0;
-	struct usX2Ydev		*usX2Y = urb->context;
-	struct us428ctls_sharedmem	*us428ctls = usX2Y->us428ctls_sharedmem;
+	struct usx2ydev		*usx2y = urb->context;
+	struct us428ctls_sharedmem	*us428ctls = usx2y->us428ctls_sharedmem;
 
-	usX2Y->In04IntCalls++;
+	usx2y->in04_int_calls++;
 
 	if (urb->status) {
 		snd_printdd("Interrupt Pipe 4 came back with status=%i\n", urb->status);
 		return;
 	}
 
-	//	printk("%i:0x%02X ", 8, (int)((unsigned char*)usX2Y->In04Buf)[8]); Master volume shows 0 here if fader is at max during boot ?!?
+	//	printk("%i:0x%02X ", 8, (int)((unsigned char*)usx2y->in04_buf)[8]); Master volume shows 0 here if fader is at max during boot ?!?
 	if (us428ctls) {
 		int diff = -1;
-		if (-2 == us428ctls->CtlSnapShotLast) {
+		if (-2 == us428ctls->ctl_snapshot_last) {
 			diff = 0;
-			memcpy(usX2Y->In04Last, usX2Y->In04Buf, sizeof(usX2Y->In04Last));
-			us428ctls->CtlSnapShotLast = -1;
+			memcpy(usx2y->in04_last, usx2y->in04_buf, sizeof(usx2y->in04_last));
+			us428ctls->ctl_snapshot_last = -1;
 		} else {
 			int i;
 			for (i = 0; i < 21; i++) {
-				if (usX2Y->In04Last[i] != ((char*)usX2Y->In04Buf)[i]) {
+				if (usx2y->in04_last[i] != ((char*)usx2y->in04_buf)[i]) {
 					if (diff < 0)
 						diff = i;
-					usX2Y->In04Last[i] = ((char*)usX2Y->In04Buf)[i];
+					usx2y->in04_last[i] = ((char*)usx2y->in04_buf)[i];
 				}
 			}
 		}
 		if (0 <= diff) {
-			int n = us428ctls->CtlSnapShotLast + 1;
-			if (n >= N_us428_ctl_BUFS  ||  n < 0)
+			int n = us428ctls->ctl_snapshot_last + 1;
+			if (n >= N_US428_CTL_BUFS  ||  n < 0)
 				n = 0;
-			memcpy(us428ctls->CtlSnapShot + n, usX2Y->In04Buf, sizeof(us428ctls->CtlSnapShot[0]));
-			us428ctls->CtlSnapShotDiffersAt[n] = diff;
-			us428ctls->CtlSnapShotLast = n;
-			wake_up(&usX2Y->us428ctls_wait_queue_head);
+			memcpy(us428ctls->ctl_snapshot + n, usx2y->in04_buf, sizeof(us428ctls->ctl_snapshot[0]));
+			us428ctls->ctl_snapshot_differs_at[n] = diff;
+			us428ctls->ctl_snapshot_last = n;
+			wake_up(&usx2y->us428ctls_wait_queue_head);
 		}
 	}
 	
 	
-	if (usX2Y->US04) {
-		if (0 == usX2Y->US04->submitted)
+	if (usx2y->us04) {
+		if (0 == usx2y->us04->submitted)
 			do {
-				err = usb_submit_urb(usX2Y->US04->urb[usX2Y->US04->submitted++], GFP_ATOMIC);
-			} while (!err && usX2Y->US04->submitted < usX2Y->US04->len);
+				err = usb_submit_urb(usx2y->us04->urb[usx2y->us04->submitted++], GFP_ATOMIC);
+			} while (!err && usx2y->us04->submitted < usx2y->us04->len);
 	} else
-		if (us428ctls && us428ctls->p4outLast >= 0 && us428ctls->p4outLast < N_us428_p4out_BUFS) {
-			if (us428ctls->p4outLast != us428ctls->p4outSent) {
-				int j, send = us428ctls->p4outSent + 1;
-				if (send >= N_us428_p4out_BUFS)
+		if (us428ctls && us428ctls->p4out_last >= 0 && us428ctls->p4out_last < N_US428_P4OUT_BUFS) {
+			if (us428ctls->p4out_last != us428ctls->p4out_sent) {
+				int j, send = us428ctls->p4out_sent + 1;
+				if (send >= N_US428_P4OUT_BUFS)
 					send = 0;
-				for (j = 0; j < URBS_AsyncSeq  &&  !err; ++j)
-					if (0 == usX2Y->AS04.urb[j]->status) {
+				for (j = 0; j < URBS_ASYNC_SEQ  &&  !err; ++j)
+					if (0 == usx2y->as04.urb[j]->status) {
 						struct us428_p4out *p4out = us428ctls->p4out + send;	// FIXME if more than 1 p4out is new, 1 gets lost.
-						usb_fill_bulk_urb(usX2Y->AS04.urb[j], usX2Y->dev,
-								  usb_sndbulkpipe(usX2Y->dev, 0x04), &p4out->val.vol,
-								  p4out->type == eLT_Light ? sizeof(struct us428_lights) : 5,
-								  i_usX2Y_Out04Int, usX2Y);
-						err = usb_submit_urb(usX2Y->AS04.urb[j], GFP_ATOMIC);
-						us428ctls->p4outSent = send;
+						usb_fill_bulk_urb(usx2y->as04.urb[j], usx2y->dev,
+								  usb_sndbulkpipe(usx2y->dev, 0x04), &p4out->val.vol,
+								  p4out->type == ELT_LIGHT ? sizeof(struct us428_lights) : 5,
+								  i_usx2y_out04_int, usx2y);
+						err = usb_submit_urb(usx2y->as04.urb[j], GFP_ATOMIC);
+						us428ctls->p4out_sent = send;
 						break;
 					}
 			}
 		}
 
 	if (err)
-		snd_printk(KERN_ERR "In04Int() usb_submit_urb err=%i\n", err);
+		snd_printk(KERN_ERR "in04_int() usb_submit_urb err=%i\n", err);
 
-	urb->dev = usX2Y->dev;
+	urb->dev = usx2y->dev;
 	usb_submit_urb(urb, GFP_ATOMIC);
 }
 
 /*
  * Prepare some urbs
  */
-int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y)
+int usx2y_async_seq04_init(struct usx2ydev *usx2y)
 {
 	int	err = 0,
 		i;
 
-	usX2Y->AS04.buffer = kmalloc_array(URBS_AsyncSeq,
-					   URB_DataLen_AsyncSeq, GFP_KERNEL);
-	if (NULL == usX2Y->AS04.buffer) {
+	usx2y->as04.buffer = kmalloc_array(URBS_ASYNC_SEQ,
+					   URB_DATA_LEN_ASYNC_SEQ, GFP_KERNEL);
+	if (NULL == usx2y->as04.buffer) {
 		err = -ENOMEM;
 	} else
-		for (i = 0; i < URBS_AsyncSeq; ++i) {
-			if (NULL == (usX2Y->AS04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) {
+		for (i = 0; i < URBS_ASYNC_SEQ; ++i) {
+			if (NULL == (usx2y->as04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) {
 				err = -ENOMEM;
 				break;
 			}
-			usb_fill_bulk_urb(	usX2Y->AS04.urb[i], usX2Y->dev,
-						usb_sndbulkpipe(usX2Y->dev, 0x04),
-						usX2Y->AS04.buffer + URB_DataLen_AsyncSeq*i, 0,
-						i_usX2Y_Out04Int, usX2Y
+			usb_fill_bulk_urb(	usx2y->as04.urb[i], usx2y->dev,
+						usb_sndbulkpipe(usx2y->dev, 0x04),
+						usx2y->as04.buffer + URB_DATA_LEN_ASYNC_SEQ*i, 0,
+						i_usx2y_out04_int, usx2y
 				);
-			err = usb_urb_ep_type_check(usX2Y->AS04.urb[i]);
+			err = usb_urb_ep_type_check(usx2y->as04.urb[i]);
 			if (err < 0)
 				break;
 		}
 	return err;
 }
 
-int usX2Y_In04_init(struct usX2Ydev *usX2Y)
+int usx2y_in04_init(struct usx2ydev *usx2y)
 {
-	if (! (usX2Y->In04urb = usb_alloc_urb(0, GFP_KERNEL)))
+	if (! (usx2y->in04_urb = usb_alloc_urb(0, GFP_KERNEL)))
 		return -ENOMEM;
 
-	if (! (usX2Y->In04Buf = kmalloc(21, GFP_KERNEL)))
+	if (! (usx2y->in04_buf = kmalloc(21, GFP_KERNEL)))
 		return -ENOMEM;
 	 
-	init_waitqueue_head(&usX2Y->In04WaitQueue);
-	usb_fill_int_urb(usX2Y->In04urb, usX2Y->dev, usb_rcvintpipe(usX2Y->dev, 0x4),
-			 usX2Y->In04Buf, 21,
-			 i_usX2Y_In04Int, usX2Y,
+	init_waitqueue_head(&usx2y->in04_wait_queue);
+	usb_fill_int_urb(usx2y->in04_urb, usx2y->dev, usb_rcvintpipe(usx2y->dev, 0x4),
+			 usx2y->in04_buf, 21,
+			 i_usx2y_in04_int, usx2y,
 			 10);
-	if (usb_urb_ep_type_check(usX2Y->In04urb))
+	if (usb_urb_ep_type_check(usx2y->in04_urb))
 		return -EINVAL;
-	return usb_submit_urb(usX2Y->In04urb, GFP_KERNEL);
+	return usb_submit_urb(usx2y->in04_urb, GFP_KERNEL);
 }
 
-static void usX2Y_unlinkSeq(struct snd_usX2Y_AsyncSeq *S)
+static void usx2y_unlinkseq(struct snd_usx2y_async_seq *s)
 {
 	int	i;
-	for (i = 0; i < URBS_AsyncSeq; ++i) {
-		usb_kill_urb(S->urb[i]);
-		usb_free_urb(S->urb[i]);
-		S->urb[i] = NULL;
+	for (i = 0; i < URBS_ASYNC_SEQ; ++i) {
+		usb_kill_urb(s->urb[i]);
+		usb_free_urb(s->urb[i]);
+		s->urb[i] = NULL;
 	}
-	kfree(S->buffer);
+	kfree(s->buffer);
 }
 
 
-static const struct usb_device_id snd_usX2Y_usb_id_table[] = {
+static const struct usb_device_id snd_usx2y_usb_id_table[] = {
 	{
 		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
 		.idVendor =	0x1604,
@@ -323,7 +323,7 @@ static const struct usb_device_id snd_usX2Y_usb_id_table[] = {
 	{ /* terminator */ }
 };
 
-static int usX2Y_create_card(struct usb_device *device,
+static int usx2y_create_card(struct usb_device *device,
 			     struct usb_interface *intf,
 			     struct snd_card **cardp)
 {
@@ -332,20 +332,20 @@ static int usX2Y_create_card(struct usb_device *device,
 	int err;
 
 	for (dev = 0; dev < SNDRV_CARDS; ++dev)
-		if (enable[dev] && !snd_usX2Y_card_used[dev])
+		if (enable[dev] && !snd_usx2y_card_used[dev])
 			break;
 	if (dev >= SNDRV_CARDS)
 		return -ENODEV;
 	err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE,
-			   sizeof(struct usX2Ydev), &card);
+			   sizeof(struct usx2ydev), &card);
 	if (err < 0)
 		return err;
-	snd_usX2Y_card_used[usX2Y(card)->card_index = dev] = 1;
-	card->private_free = snd_usX2Y_card_private_free;
-	usX2Y(card)->dev = device;
-	init_waitqueue_head(&usX2Y(card)->prepare_wait_queue);
-	mutex_init(&usX2Y(card)->pcm_mutex);
-	INIT_LIST_HEAD(&usX2Y(card)->midi_list);
+	snd_usx2y_card_used[usx2y(card)->card_index = dev] = 1;
+	card->private_free = snd_usx2y_card_private_free;
+	usx2y(card)->dev = device;
+	init_waitqueue_head(&usx2y(card)->prepare_wait_queue);
+	mutex_init(&usx2y(card)->pcm_mutex);
+	INIT_LIST_HEAD(&usx2y(card)->midi_list);
 	strcpy(card->driver, "USB "NAME_ALLCAPS"");
 	sprintf(card->shortname, "TASCAM "NAME_ALLCAPS"");
 	sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)",
@@ -353,14 +353,14 @@ static int usX2Y_create_card(struct usb_device *device,
 		le16_to_cpu(device->descriptor.idVendor),
 		le16_to_cpu(device->descriptor.idProduct),
 		0,//us428(card)->usbmidi.ifnum,
-		usX2Y(card)->dev->bus->busnum, usX2Y(card)->dev->devnum
+		usx2y(card)->dev->bus->busnum, usx2y(card)->dev->devnum
 		);
 	*cardp = card;
 	return 0;
 }
 
 
-static int usX2Y_usb_probe(struct usb_device *device,
+static int usx2y_usb_probe(struct usb_device *device,
 			   struct usb_interface *intf,
 			   const struct usb_device_id *device_id,
 			   struct snd_card **cardp)
@@ -375,10 +375,10 @@ static int usX2Y_usb_probe(struct usb_device *device,
 	     le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428))
 		return -EINVAL;
 
-	err = usX2Y_create_card(device, intf, &card);
+	err = usx2y_create_card(device, intf, &card);
 	if (err < 0)
 		return err;
-	if ((err = usX2Y_hwdep_new(card, device)) < 0  ||
+	if ((err = usx2y_hwdep_new(card, device)) < 0  ||
 	    (err = snd_card_register(card)) < 0) {
 		snd_card_free(card);
 		return err;
@@ -390,64 +390,64 @@ static int usX2Y_usb_probe(struct usb_device *device,
 /*
  * new 2.5 USB kernel API
  */
-static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_id *id)
+static int snd_usx2y_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct snd_card *card;
 	int err;
 
-	err = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id, &card);
+	err = usx2y_usb_probe(interface_to_usbdev(intf), intf, id, &card);
 	if (err < 0)
 		return err;
 	dev_set_drvdata(&intf->dev, card);
 	return 0;
 }
 
-static void snd_usX2Y_disconnect(struct usb_interface *intf)
+static void snd_usx2y_disconnect(struct usb_interface *intf)
 {
-	usX2Y_usb_disconnect(interface_to_usbdev(intf),
+	usx2y_usb_disconnect(interface_to_usbdev(intf),
 				 usb_get_intfdata(intf));
 }
 
-MODULE_DEVICE_TABLE(usb, snd_usX2Y_usb_id_table);
-static struct usb_driver snd_usX2Y_usb_driver = {
+MODULE_DEVICE_TABLE(usb, snd_usx2y_usb_id_table);
+static struct usb_driver snd_usx2y_usb_driver = {
 	.name =		"snd-usb-usx2y",
-	.probe =	snd_usX2Y_probe,
-	.disconnect =	snd_usX2Y_disconnect,
-	.id_table =	snd_usX2Y_usb_id_table,
+	.probe =	snd_usx2y_probe,
+	.disconnect =	snd_usx2y_disconnect,
+	.id_table =	snd_usx2y_usb_id_table,
 };
 
-static void snd_usX2Y_card_private_free(struct snd_card *card)
+static void snd_usx2y_card_private_free(struct snd_card *card)
 {
-	kfree(usX2Y(card)->In04Buf);
-	usb_free_urb(usX2Y(card)->In04urb);
-	if (usX2Y(card)->us428ctls_sharedmem)
-		free_pages_exact(usX2Y(card)->us428ctls_sharedmem,
-				 sizeof(*usX2Y(card)->us428ctls_sharedmem));
-	if (usX2Y(card)->card_index >= 0  &&  usX2Y(card)->card_index < SNDRV_CARDS)
-		snd_usX2Y_card_used[usX2Y(card)->card_index] = 0;
+	kfree(usx2y(card)->in04_buf);
+	usb_free_urb(usx2y(card)->in04_urb);
+	if (usx2y(card)->us428ctls_sharedmem)
+		free_pages_exact(usx2y(card)->us428ctls_sharedmem,
+				 sizeof(*usx2y(card)->us428ctls_sharedmem));
+	if (usx2y(card)->card_index >= 0  &&  usx2y(card)->card_index < SNDRV_CARDS)
+		snd_usx2y_card_used[usx2y(card)->card_index] = 0;
 }
 
 /*
  * Frees the device.
  */
-static void usX2Y_usb_disconnect(struct usb_device *device, void* ptr)
+static void usx2y_usb_disconnect(struct usb_device *device, void* ptr)
 {
 	if (ptr) {
 		struct snd_card *card = ptr;
-		struct usX2Ydev *usX2Y = usX2Y(card);
+		struct usx2ydev *usx2y = usx2y(card);
 		struct list_head *p;
-		usX2Y->chip_status = USX2Y_STAT_CHIP_HUP;
-		usX2Y_unlinkSeq(&usX2Y->AS04);
-		usb_kill_urb(usX2Y->In04urb);
+		usx2y->chip_status = USX2Y_STAT_CHIP_HUP;
+		usx2y_unlinkseq(&usx2y->as04);
+		usb_kill_urb(usx2y->in04_urb);
 		snd_card_disconnect(card);
 		/* release the midi resources */
-		list_for_each(p, &usX2Y->midi_list) {
+		list_for_each(p, &usx2y->midi_list) {
 			snd_usbmidi_disconnect(p);
 		}
-		if (usX2Y->us428ctls_sharedmem) 
-			wake_up(&usX2Y->us428ctls_wait_queue_head);
+		if (usx2y->us428ctls_sharedmem) 
+			wake_up(&usx2y->us428ctls_wait_queue_head);
 		snd_card_free(card);
 	}
 }
 
-module_usb_driver(snd_usX2Y_usb_driver);
+module_usb_driver(snd_usx2y_usb_driver);
diff --git a/sound/usb/usx2y/usbusx2y.h b/sound/usb/usx2y/usbusx2y.h
index 144b85f57bd2..c330af628bcc 100644
--- a/sound/usb/usx2y/usbusx2y.h
+++ b/sound/usb/usx2y/usbusx2y.h
@@ -8,14 +8,14 @@
 #define NRURBS	        2	
 
 
-#define URBS_AsyncSeq 10
-#define URB_DataLen_AsyncSeq 32
-struct snd_usX2Y_AsyncSeq {
-	struct urb	*urb[URBS_AsyncSeq];
+#define URBS_ASYNC_SEQ 10
+#define URB_DATA_LEN_ASYNC_SEQ 32
+struct snd_usx2y_async_seq {
+	struct urb	*urb[URBS_ASYNC_SEQ];
 	char		*buffer;
 };
 
-struct snd_usX2Y_urbSeq {
+struct snd_usx2y_urb_seq {
 	int	submitted;
 	int	len;
 	struct urb	*urb[];
@@ -23,17 +23,17 @@ struct snd_usX2Y_urbSeq {
 
 #include "usx2yhwdeppcm.h"
 
-struct usX2Ydev {
+struct usx2ydev {
 	struct usb_device	*dev;
 	int			card_index;
 	int			stride;
-	struct urb		*In04urb;
-	void			*In04Buf;
-	char			In04Last[24];
-	unsigned		In04IntCalls;
-	struct snd_usX2Y_urbSeq	*US04;
-	wait_queue_head_t	In04WaitQueue;
-	struct snd_usX2Y_AsyncSeq	AS04;
+	struct urb		*in04_urb;
+	void			*in04_buf;
+	char			in04_last[24];
+	unsigned		in04_int_calls;
+	struct snd_usx2y_urb_seq	*us04;
+	wait_queue_head_t	in04_wait_queue;
+	struct snd_usx2y_async_seq	as04;
 	unsigned int		rate,
 				format;
 	int			chip_status;
@@ -41,9 +41,9 @@ struct usX2Ydev {
 	struct us428ctls_sharedmem	*us428ctls_sharedmem;
 	int			wait_iso_frame;
 	wait_queue_head_t	us428ctls_wait_queue_head;
-	struct snd_usX2Y_hwdep_pcm_shm	*hwdep_pcm_shm;
-	struct snd_usX2Y_substream	*subs[4];
-	struct snd_usX2Y_substream	* volatile  prepare_subs;
+	struct snd_usx2y_hwdep_pcm_shm	*hwdep_pcm_shm;
+	struct snd_usx2y_substream	*subs[4];
+	struct snd_usx2y_substream	* volatile  prepare_subs;
 	wait_queue_head_t	prepare_wait_queue;
 	struct list_head	midi_list;
 	struct list_head	pcm_list;
@@ -51,21 +51,21 @@ struct usX2Ydev {
 };
 
 
-struct snd_usX2Y_substream {
-	struct usX2Ydev	*usX2Y;
+struct snd_usx2y_substream {
+	struct usx2ydev	*usx2y;
 	struct snd_pcm_substream *pcm_substream;
 
 	int			endpoint;		
 	unsigned int		maxpacksize;		/* max packet size in bytes */
 
 	atomic_t		state;
-#define state_STOPPED	0
-#define state_STARTING1 1
-#define state_STARTING2 2
-#define state_STARTING3 3
-#define state_PREPARED	4
-#define state_PRERUNNING  6
-#define state_RUNNING	8
+#define STATE_STOPPED	0
+#define STATE_STARTING1 1
+#define STATE_STARTING2 2
+#define STATE_STARTING3 3
+#define STATE_PREPARED	4
+#define STATE_PRERUNNING  6
+#define STATE_RUNNING	8
 
 	int			hwptr;			/* free frame position in the buffer (only for playback) */
 	int			hwptr_done;		/* processed frame position in the buffer */
@@ -77,12 +77,12 @@ struct snd_usX2Y_substream {
 };
 
 
-#define usX2Y(c) ((struct usX2Ydev *)(c)->private_data)
+#define usx2y(c) ((struct usx2ydev *)(c)->private_data)
 
-int usX2Y_audio_create(struct snd_card *card);
+int usx2y_audio_create(struct snd_card *card);
 
-int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y);
-int usX2Y_In04_init(struct usX2Ydev *usX2Y);
+int usx2y_async_seq04_init(struct usx2ydev *usx2y);
+int usx2y_in04_init(struct usx2ydev *usx2y);
 
 #define NAME_ALLCAPS "US-X2Y"
 
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index ecaf41265dcd..8033bb7255d5 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -54,13 +54,13 @@
 #endif
 
 
-static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs)
+static int usx2y_urb_capt_retire(struct snd_usx2y_substream *subs)
 {
 	struct urb	*urb = subs->completed_urb;
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
 	unsigned char	*cp;
 	int 		i, len, lens = 0, hwptr_done = subs->hwptr_done;
-	struct usX2Ydev	*usX2Y = subs->usX2Y;
+	struct usx2ydev	*usx2y = subs->usx2y;
 
 	for (i = 0; i < nr_of_packs(); i++) {
 		cp = (unsigned char*)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
@@ -70,7 +70,7 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs)
 				   urb->iso_frame_desc[i].status);
 			return urb->iso_frame_desc[i].status;
 		}
-		len = urb->iso_frame_desc[i].actual_length / usX2Y->stride;
+		len = urb->iso_frame_desc[i].actual_length / usx2y->stride;
 		if (! len) {
 			snd_printd("0 == len ERROR!\n");
 			continue;
@@ -79,12 +79,12 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs)
 		/* copy a data chunk */
 		if ((hwptr_done + len) > runtime->buffer_size) {
 			int cnt = runtime->buffer_size - hwptr_done;
-			int blen = cnt * usX2Y->stride;
-			memcpy(runtime->dma_area + hwptr_done * usX2Y->stride, cp, blen);
-			memcpy(runtime->dma_area, cp + blen, len * usX2Y->stride - blen);
+			int blen = cnt * usx2y->stride;
+			memcpy(runtime->dma_area + hwptr_done * usx2y->stride, cp, blen);
+			memcpy(runtime->dma_area, cp + blen, len * usx2y->stride - blen);
 		} else {
-			memcpy(runtime->dma_area + hwptr_done * usX2Y->stride, cp,
-			       len * usX2Y->stride);
+			memcpy(runtime->dma_area + hwptr_done * usx2y->stride, cp,
+			       len * usx2y->stride);
 		}
 		lens += len;
 		if ((hwptr_done += len) >= runtime->buffer_size)
@@ -110,18 +110,18 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs)
  * it directly from the buffer.  thus the data is once copied to
  * a temporary buffer and urb points to that.
  */
-static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs,
+static int usx2y_urb_play_prepare(struct snd_usx2y_substream *subs,
 				  struct urb *cap_urb,
 				  struct urb *urb)
 {
 	int count, counts, pack;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
+	struct usx2ydev *usx2y = subs->usx2y;
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
 
 	count = 0;
 	for (pack = 0; pack <  nr_of_packs(); pack++) {
 		/* calculate the size of a packet */
-		counts = cap_urb->iso_frame_desc[pack].actual_length / usX2Y->stride;
+		counts = cap_urb->iso_frame_desc[pack].actual_length / usx2y->stride;
 		count += counts;
 		if (counts < 43 || counts > 50) {
 			snd_printk(KERN_ERR "should not be here with counts=%i\n", counts);
@@ -134,7 +134,7 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs,
 			0;
 		urb->iso_frame_desc[pack].length = cap_urb->iso_frame_desc[pack].actual_length;
 	}
-	if (atomic_read(&subs->state) >= state_PRERUNNING)
+	if (atomic_read(&subs->state) >= STATE_PRERUNNING)
 		if (subs->hwptr + count > runtime->buffer_size) {
 			/* err, the transferred area goes over buffer boundary.
 			 * copy the data to the temp buffer.
@@ -143,20 +143,20 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs,
 			len = runtime->buffer_size - subs->hwptr;
 			urb->transfer_buffer = subs->tmpbuf;
 			memcpy(subs->tmpbuf, runtime->dma_area +
-			       subs->hwptr * usX2Y->stride, len * usX2Y->stride);
-			memcpy(subs->tmpbuf + len * usX2Y->stride,
-			       runtime->dma_area, (count - len) * usX2Y->stride);
+			       subs->hwptr * usx2y->stride, len * usx2y->stride);
+			memcpy(subs->tmpbuf + len * usx2y->stride,
+			       runtime->dma_area, (count - len) * usx2y->stride);
 			subs->hwptr += count;
 			subs->hwptr -= runtime->buffer_size;
 		} else {
 			/* set the buffer pointer */
-			urb->transfer_buffer = runtime->dma_area + subs->hwptr * usX2Y->stride;
+			urb->transfer_buffer = runtime->dma_area + subs->hwptr * usx2y->stride;
 			if ((subs->hwptr += count) >= runtime->buffer_size)
 				subs->hwptr -= runtime->buffer_size;
 		}
 	else
 		urb->transfer_buffer = subs->tmpbuf;
-	urb->transfer_buffer_length = count * usX2Y->stride;
+	urb->transfer_buffer_length = count * usx2y->stride;
 	return 0;
 }
 
@@ -165,10 +165,10 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs,
  *
  * update the current position and call callback if a period is processed.
  */
-static void usX2Y_urb_play_retire(struct snd_usX2Y_substream *subs, struct urb *urb)
+static void usx2y_urb_play_retire(struct snd_usx2y_substream *subs, struct urb *urb)
 {
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
-	int		len = urb->actual_length / subs->usX2Y->stride;
+	int		len = urb->actual_length / subs->usx2y->stride;
 
 	subs->transfer_done += len;
 	subs->hwptr_done +=  len;
@@ -180,14 +180,14 @@ static void usX2Y_urb_play_retire(struct snd_usX2Y_substream *subs, struct urb *
 	}
 }
 
-static int usX2Y_urb_submit(struct snd_usX2Y_substream *subs, struct urb *urb, int frame)
+static int usx2y_urb_submit(struct snd_usx2y_substream *subs, struct urb *urb, int frame)
 {
 	int err;
 	if (!urb)
 		return -ENODEV;
 	urb->start_frame = (frame + NRURBS * nr_of_packs());  // let hcd do rollover sanity checks
 	urb->hcpriv = NULL;
-	urb->dev = subs->usX2Y->dev; /* we need to set this at each time */
+	urb->dev = subs->usx2y->dev; /* we need to set this at each time */
 	if ((err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
 		snd_printk(KERN_ERR "usb_submit_urb() returned %i\n", err);
 		return err;
@@ -195,8 +195,8 @@ static int usX2Y_urb_submit(struct snd_usX2Y_substream *subs, struct urb *urb, i
 	return 0;
 }
 
-static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,
-					  struct snd_usX2Y_substream *playbacksubs,
+static inline int usx2y_usbframe_complete(struct snd_usx2y_substream *capsubs,
+					  struct snd_usx2y_substream *playbacksubs,
 					  int frame)
 {
 	int err, state;
@@ -204,25 +204,25 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,
 
 	state = atomic_read(&playbacksubs->state);
 	if (NULL != urb) {
-		if (state == state_RUNNING)
-			usX2Y_urb_play_retire(playbacksubs, urb);
-		else if (state >= state_PRERUNNING)
+		if (state == STATE_RUNNING)
+			usx2y_urb_play_retire(playbacksubs, urb);
+		else if (state >= STATE_PRERUNNING)
 			atomic_inc(&playbacksubs->state);
 	} else {
 		switch (state) {
-		case state_STARTING1:
+		case STATE_STARTING1:
 			urb = playbacksubs->urb[0];
 			atomic_inc(&playbacksubs->state);
 			break;
-		case state_STARTING2:
+		case STATE_STARTING2:
 			urb = playbacksubs->urb[1];
 			atomic_inc(&playbacksubs->state);
 			break;
 		}
 	}
 	if (urb) {
-		if ((err = usX2Y_urb_play_prepare(playbacksubs, capsubs->completed_urb, urb)) ||
-		    (err = usX2Y_urb_submit(playbacksubs, urb, frame))) {
+		if ((err = usx2y_urb_play_prepare(playbacksubs, capsubs->completed_urb, urb)) ||
+		    (err = usx2y_urb_submit(playbacksubs, urb, frame))) {
 			return err;
 		}
 	}
@@ -230,13 +230,13 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,
 	playbacksubs->completed_urb = NULL;
 
 	state = atomic_read(&capsubs->state);
-	if (state >= state_PREPARED) {
-		if (state == state_RUNNING) {
-			if ((err = usX2Y_urb_capt_retire(capsubs)))
+	if (state >= STATE_PREPARED) {
+		if (state == STATE_RUNNING) {
+			if ((err = usx2y_urb_capt_retire(capsubs)))
 				return err;
-		} else if (state >= state_PRERUNNING)
+		} else if (state >= STATE_PRERUNNING)
 			atomic_inc(&capsubs->state);
-		if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame)))
+		if ((err = usx2y_urb_submit(capsubs, capsubs->completed_urb, frame)))
 			return err;
 	}
 	capsubs->completed_urb = NULL;
@@ -244,21 +244,21 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,
 }
 
 
-static void usX2Y_clients_stop(struct usX2Ydev *usX2Y)
+static void usx2y_clients_stop(struct usx2ydev *usx2y)
 {
 	int s, u;
 
 	for (s = 0; s < 4; s++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[s];
+		struct snd_usx2y_substream *subs = usx2y->subs[s];
 		if (subs) {
 			snd_printdd("%i %p state=%i\n", s, subs, atomic_read(&subs->state));
-			atomic_set(&subs->state, state_STOPPED);
+			atomic_set(&subs->state, STATE_STOPPED);
 		}
 	}
 	for (s = 0; s < 4; s++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[s];
+		struct snd_usx2y_substream *subs = usx2y->subs[s];
 		if (subs) {
-			if (atomic_read(&subs->state) >= state_PRERUNNING)
+			if (atomic_read(&subs->state) >= STATE_PRERUNNING)
 				snd_pcm_stop_xrun(subs->pcm_substream);
 			for (u = 0; u < NRURBS; u++) {
 				struct urb *urb = subs->urb[u];
@@ -268,60 +268,60 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y)
 			}
 		}
 	}
-	usX2Y->prepare_subs = NULL;
-	wake_up(&usX2Y->prepare_wait_queue);
+	usx2y->prepare_subs = NULL;
+	wake_up(&usx2y->prepare_wait_queue);
 }
 
-static void usX2Y_error_urb_status(struct usX2Ydev *usX2Y,
-				   struct snd_usX2Y_substream *subs, struct urb *urb)
+static void usx2y_error_urb_status(struct usx2ydev *usx2y,
+				   struct snd_usx2y_substream *subs, struct urb *urb)
 {
 	snd_printk(KERN_ERR "ep=%i stalled with status=%i\n", subs->endpoint, urb->status);
 	urb->status = 0;
-	usX2Y_clients_stop(usX2Y);
+	usx2y_clients_stop(usx2y);
 }
 
-static void i_usX2Y_urb_complete(struct urb *urb)
+static void i_usx2y_urb_complete(struct urb *urb)
 {
-	struct snd_usX2Y_substream *subs = urb->context;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
+	struct snd_usx2y_substream *subs = urb->context;
+	struct usx2ydev *usx2y = subs->usx2y;
 
-	if (unlikely(atomic_read(&subs->state) < state_PREPARED)) {
+	if (unlikely(atomic_read(&subs->state) < STATE_PREPARED)) {
 		snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n",
-			    usb_get_current_frame_number(usX2Y->dev),
+			    usb_get_current_frame_number(usx2y->dev),
 			    subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out",
 			    urb->status, urb->start_frame);
 		return;
 	}
 	if (unlikely(urb->status)) {
-		usX2Y_error_urb_status(usX2Y, subs, urb);
+		usx2y_error_urb_status(usx2y, subs, urb);
 		return;
 	}
 
 	subs->completed_urb = urb;
 
 	{
-		struct snd_usX2Y_substream *capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE],
-			*playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+		struct snd_usx2y_substream *capsubs = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE],
+			*playbacksubs = usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
 		if (capsubs->completed_urb &&
-		    atomic_read(&capsubs->state) >= state_PREPARED &&
+		    atomic_read(&capsubs->state) >= STATE_PREPARED &&
 		    (playbacksubs->completed_urb ||
-		     atomic_read(&playbacksubs->state) < state_PREPARED)) {
-			if (!usX2Y_usbframe_complete(capsubs, playbacksubs, urb->start_frame))
-				usX2Y->wait_iso_frame += nr_of_packs();
+		     atomic_read(&playbacksubs->state) < STATE_PREPARED)) {
+			if (!usx2y_usbframe_complete(capsubs, playbacksubs, urb->start_frame))
+				usx2y->wait_iso_frame += nr_of_packs();
 			else {
 				snd_printdd("\n");
-				usX2Y_clients_stop(usX2Y);
+				usx2y_clients_stop(usx2y);
 			}
 		}
 	}
 }
 
-static void usX2Y_urbs_set_complete(struct usX2Ydev * usX2Y,
+static void usx2y_urbs_set_complete(struct usx2ydev * usx2y,
 				    void (*complete)(struct urb *))
 {
 	int s, u;
 	for (s = 0; s < 4; s++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[s];
+		struct snd_usx2y_substream *subs = usx2y->subs[s];
 		if (NULL != subs)
 			for (u = 0; u < NRURBS; u++) {
 				struct urb * urb = subs->urb[u];
@@ -331,30 +331,30 @@ static void usX2Y_urbs_set_complete(struct usX2Ydev * usX2Y,
 	}
 }
 
-static void usX2Y_subs_startup_finish(struct usX2Ydev * usX2Y)
+static void usx2y_subs_startup_finish(struct usx2ydev * usx2y)
 {
-	usX2Y_urbs_set_complete(usX2Y, i_usX2Y_urb_complete);
-	usX2Y->prepare_subs = NULL;
+	usx2y_urbs_set_complete(usx2y, i_usx2y_urb_complete);
+	usx2y->prepare_subs = NULL;
 }
 
-static void i_usX2Y_subs_startup(struct urb *urb)
+static void i_usx2y_subs_startup(struct urb *urb)
 {
-	struct snd_usX2Y_substream *subs = urb->context;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *prepare_subs = usX2Y->prepare_subs;
+	struct snd_usx2y_substream *subs = urb->context;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *prepare_subs = usx2y->prepare_subs;
 	if (NULL != prepare_subs)
 		if (urb->start_frame == prepare_subs->urb[0]->start_frame) {
-			usX2Y_subs_startup_finish(usX2Y);
+			usx2y_subs_startup_finish(usx2y);
 			atomic_inc(&prepare_subs->state);
-			wake_up(&usX2Y->prepare_wait_queue);
+			wake_up(&usx2y->prepare_wait_queue);
 		}
 
-	i_usX2Y_urb_complete(urb);
+	i_usx2y_urb_complete(urb);
 }
 
-static void usX2Y_subs_prepare(struct snd_usX2Y_substream *subs)
+static void usx2y_subs_prepare(struct snd_usx2y_substream *subs)
 {
-	snd_printdd("usX2Y_substream_prepare(%p) ep=%i urb0=%p urb1=%p\n",
+	snd_printdd("usx2y_substream_prepare(%p) ep=%i urb0=%p urb1=%p\n",
 		    subs, subs->endpoint, subs->urb[0], subs->urb[1]);
 	/* reset the pointer */
 	subs->hwptr = 0;
@@ -363,7 +363,7 @@ static void usX2Y_subs_prepare(struct snd_usX2Y_substream *subs)
 }
 
 
-static void usX2Y_urb_release(struct urb **urb, int free_tb)
+static void usx2y_urb_release(struct urb **urb, int free_tb)
 {
 	if (*urb) {
 		usb_kill_urb(*urb);
@@ -376,13 +376,13 @@ static void usX2Y_urb_release(struct urb **urb, int free_tb)
 /*
  * release a substreams urbs
  */
-static void usX2Y_urbs_release(struct snd_usX2Y_substream *subs)
+static void usx2y_urbs_release(struct snd_usx2y_substream *subs)
 {
 	int i;
-	snd_printdd("usX2Y_urbs_release() %i\n", subs->endpoint);
+	snd_printdd("usx2y_urbs_release() %i\n", subs->endpoint);
 	for (i = 0; i < NRURBS; i++)
-		usX2Y_urb_release(subs->urb + i,
-				  subs != subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]);
+		usx2y_urb_release(subs->urb + i,
+				  subs != subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]);
 
 	kfree(subs->tmpbuf);
 	subs->tmpbuf = NULL;
@@ -390,12 +390,12 @@ static void usX2Y_urbs_release(struct snd_usX2Y_substream *subs)
 /*
  * initialize a substream's urbs
  */
-static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs)
+static int usx2y_urbs_allocate(struct snd_usx2y_substream *subs)
 {
 	int i;
 	unsigned int pipe;
-	int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-	struct usb_device *dev = subs->usX2Y->dev;
+	int is_playback = subs == subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+	struct usb_device *dev = subs->usx2y->dev;
 
 	pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) :
 			usb_rcvisocpipe(dev, subs->endpoint);
@@ -417,7 +417,7 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs)
 		}
 		*purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL);
 		if (NULL == *purb) {
-			usX2Y_urbs_release(subs);
+			usx2y_urbs_release(subs);
 			return -ENOMEM;
 		}
 		if (!is_playback && !(*purb)->transfer_buffer) {
@@ -426,7 +426,7 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs)
 				kmalloc_array(subs->maxpacksize,
 					      nr_of_packs(), GFP_KERNEL);
 			if (NULL == (*purb)->transfer_buffer) {
-				usX2Y_urbs_release(subs);
+				usx2y_urbs_release(subs);
 				return -ENOMEM;
 			}
 		}
@@ -435,43 +435,43 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs)
 		(*purb)->number_of_packets = nr_of_packs();
 		(*purb)->context = subs;
 		(*purb)->interval = 1;
-		(*purb)->complete = i_usX2Y_subs_startup;
+		(*purb)->complete = i_usx2y_subs_startup;
 	}
 	return 0;
 }
 
-static void usX2Y_subs_startup(struct snd_usX2Y_substream *subs)
+static void usx2y_subs_startup(struct snd_usx2y_substream *subs)
 {
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	usX2Y->prepare_subs = subs;
+	struct usx2ydev *usx2y = subs->usx2y;
+	usx2y->prepare_subs = subs;
 	subs->urb[0]->start_frame = -1;
 	wmb();
-	usX2Y_urbs_set_complete(usX2Y, i_usX2Y_subs_startup);
+	usx2y_urbs_set_complete(usx2y, i_usx2y_subs_startup);
 }
 
-static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs)
+static int usx2y_urbs_start(struct snd_usx2y_substream *subs)
 {
 	int i, err;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
+	struct usx2ydev *usx2y = subs->usx2y;
 
-	if ((err = usX2Y_urbs_allocate(subs)) < 0)
+	if ((err = usx2y_urbs_allocate(subs)) < 0)
 		return err;
 	subs->completed_urb = NULL;
 	for (i = 0; i < 4; i++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[i];
-		if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED)
+		struct snd_usx2y_substream *subs = usx2y->subs[i];
+		if (subs != NULL && atomic_read(&subs->state) >= STATE_PREPARED)
 			goto start;
 	}
 
  start:
-	usX2Y_subs_startup(subs);
+	usx2y_subs_startup(subs);
 	for (i = 0; i < NRURBS; i++) {
 		struct urb *urb = subs->urb[i];
 		if (usb_pipein(urb->pipe)) {
 			unsigned long pack;
 			if (0 == i)
-				atomic_set(&subs->state, state_STARTING3);
-			urb->dev = usX2Y->dev;
+				atomic_set(&subs->state, STATE_STARTING3);
+			urb->dev = usx2y->dev;
 			for (pack = 0; pack < nr_of_packs(); pack++) {
 				urb->iso_frame_desc[pack].offset = subs->maxpacksize * pack;
 				urb->iso_frame_desc[pack].length = subs->maxpacksize;
@@ -483,22 +483,22 @@ static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs)
 				goto cleanup;
 			} else
 				if (i == 0)
-					usX2Y->wait_iso_frame = urb->start_frame;
+					usx2y->wait_iso_frame = urb->start_frame;
 			urb->transfer_flags = 0;
 		} else {
-			atomic_set(&subs->state, state_STARTING1);
+			atomic_set(&subs->state, STATE_STARTING1);
 			break;
 		}
 	}
 	err = 0;
-	wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs);
-	if (atomic_read(&subs->state) != state_PREPARED)
+	wait_event(usx2y->prepare_wait_queue, NULL == usx2y->prepare_subs);
+	if (atomic_read(&subs->state) != STATE_PREPARED)
 		err = -EPIPE;
 
  cleanup:
 	if (err) {
-		usX2Y_subs_startup_finish(usX2Y);
-		usX2Y_clients_stop(usX2Y);		// something is completely wroong > stop evrything
+		usx2y_subs_startup_finish(usx2y);
+		usx2y_clients_stop(usx2y);		// something is completely wroong > stop evrything
 	}
 	return err;
 }
@@ -506,33 +506,33 @@ static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs)
 /*
  * return the current pcm pointer.  just return the hwptr_done value.
  */
-static snd_pcm_uframes_t snd_usX2Y_pcm_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t snd_usx2y_pcm_pointer(struct snd_pcm_substream *substream)
 {
-	struct snd_usX2Y_substream *subs = substream->runtime->private_data;
+	struct snd_usx2y_substream *subs = substream->runtime->private_data;
 	return subs->hwptr_done;
 }
 /*
  * start/stop substream
  */
-static int snd_usX2Y_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+static int snd_usx2y_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
-	struct snd_usX2Y_substream *subs = substream->runtime->private_data;
+	struct snd_usx2y_substream *subs = substream->runtime->private_data;
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
-		snd_printdd("snd_usX2Y_pcm_trigger(START)\n");
-		if (atomic_read(&subs->state) == state_PREPARED &&
-		    atomic_read(&subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]->state) >= state_PREPARED) {
-			atomic_set(&subs->state, state_PRERUNNING);
+		snd_printdd("snd_usx2y_pcm_trigger(START)\n");
+		if (atomic_read(&subs->state) == STATE_PREPARED &&
+		    atomic_read(&subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]->state) >= STATE_PREPARED) {
+			atomic_set(&subs->state, STATE_PRERUNNING);
 		} else {
 			snd_printdd("\n");
 			return -EPIPE;
 		}
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
-		snd_printdd("snd_usX2Y_pcm_trigger(STOP)\n");
-		if (atomic_read(&subs->state) >= state_PRERUNNING)
-			atomic_set(&subs->state, state_PREPARED);
+		snd_printdd("snd_usx2y_pcm_trigger(STOP)\n");
+		if (atomic_read(&subs->state) >= STATE_PRERUNNING)
+			atomic_set(&subs->state, STATE_PREPARED);
 		break;
 	default:
 		return -EINVAL;
@@ -553,7 +553,7 @@ static const struct s_c2
 {
 	char c1, c2;
 }
-	SetRate44100[] =
+	setrate_44100[] =
 {
 	{ 0x14, 0x08},	// this line sets 44100, well actually a little less
 	{ 0x18, 0x40},	// only tascam / frontier design knows the further lines .......
@@ -589,7 +589,7 @@ static const struct s_c2
 	{ 0x18, 0x7C},
 	{ 0x18, 0x7E}
 };
-static const struct s_c2 SetRate48000[] =
+static const struct s_c2 setrate_48000[] =
 {
 	{ 0x14, 0x09},	// this line sets 48000, well actually a little less
 	{ 0x18, 0x40},	// only tascam / frontier design knows the further lines .......
@@ -625,26 +625,26 @@ static const struct s_c2 SetRate48000[] =
 	{ 0x18, 0x7C},
 	{ 0x18, 0x7E}
 };
-#define NOOF_SETRATE_URBS ARRAY_SIZE(SetRate48000)
+#define NOOF_SETRATE_URBS ARRAY_SIZE(setrate_48000)
 
-static void i_usX2Y_04Int(struct urb *urb)
+static void i_usx2y_04int(struct urb *urb)
 {
-	struct usX2Ydev *usX2Y = urb->context;
+	struct usx2ydev *usx2y = urb->context;
 	
 	if (urb->status)
-		snd_printk(KERN_ERR "snd_usX2Y_04Int() urb->status=%i\n", urb->status);
-	if (0 == --usX2Y->US04->len)
-		wake_up(&usX2Y->In04WaitQueue);
+		snd_printk(KERN_ERR "snd_usx2y_04int() urb->status=%i\n", urb->status);
+	if (0 == --usx2y->us04->len)
+		wake_up(&usx2y->in04_wait_queue);
 }
 
-static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
+static int usx2y_rate_set(struct usx2ydev *usx2y, int rate)
 {
 	int			err = 0, i;
-	struct snd_usX2Y_urbSeq	*us = NULL;
+	struct snd_usx2y_urb_seq	*us = NULL;
 	int			*usbdata = NULL;
-	const struct s_c2	*ra = rate == 48000 ? SetRate48000 : SetRate44100;
+	const struct s_c2	*ra = rate == 48000 ? setrate_48000 : setrate_44100;
 
-	if (usX2Y->rate != rate) {
+	if (usx2y->rate != rate) {
 		us = kzalloc(sizeof(*us) + sizeof(struct urb*) * NOOF_SETRATE_URBS, GFP_KERNEL);
 		if (NULL == us) {
 			err = -ENOMEM;
@@ -663,17 +663,17 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
 			}
 			((char*)(usbdata + i))[0] = ra[i].c1;
 			((char*)(usbdata + i))[1] = ra[i].c2;
-			usb_fill_bulk_urb(us->urb[i], usX2Y->dev, usb_sndbulkpipe(usX2Y->dev, 4),
-					  usbdata + i, 2, i_usX2Y_04Int, usX2Y);
+			usb_fill_bulk_urb(us->urb[i], usx2y->dev, usb_sndbulkpipe(usx2y->dev, 4),
+					  usbdata + i, 2, i_usx2y_04int, usx2y);
 		}
 		err = usb_urb_ep_type_check(us->urb[0]);
 		if (err < 0)
 			goto cleanup;
 		us->submitted =	0;
 		us->len =	NOOF_SETRATE_URBS;
-		usX2Y->US04 =	us;
-		wait_event_timeout(usX2Y->In04WaitQueue, 0 == us->len, HZ);
-		usX2Y->US04 =	NULL;
+		usx2y->us04 =	us;
+		wait_event_timeout(usx2y->in04_wait_queue, 0 == us->len, HZ);
+		usx2y->us04 =	NULL;
 		if (us->len)
 			err = -ENODEV;
 	cleanup:
@@ -690,11 +690,11 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
 				}
 				usb_free_urb(urb);
 			}
-			usX2Y->US04 = NULL;
+			usx2y->us04 = NULL;
 			kfree(usbdata);
 			kfree(us);
 			if (!err)
-				usX2Y->rate = rate;
+				usx2y->rate = rate;
 		}
 	}
 
@@ -702,53 +702,53 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
 }
 
 
-static int usX2Y_format_set(struct usX2Ydev *usX2Y, snd_pcm_format_t format)
+static int usx2y_format_set(struct usx2ydev *usx2y, snd_pcm_format_t format)
 {
 	int alternate, err;
 	struct list_head* p;
 	if (format == SNDRV_PCM_FORMAT_S24_3LE) {
 		alternate = 2;
-		usX2Y->stride = 6;
+		usx2y->stride = 6;
 	} else {
 		alternate = 1;
-		usX2Y->stride = 4;
+		usx2y->stride = 4;
 	}
-	list_for_each(p, &usX2Y->midi_list) {
+	list_for_each(p, &usx2y->midi_list) {
 		snd_usbmidi_input_stop(p);
 	}
-	usb_kill_urb(usX2Y->In04urb);
-	if ((err = usb_set_interface(usX2Y->dev, 0, alternate))) {
+	usb_kill_urb(usx2y->in04_urb);
+	if ((err = usb_set_interface(usx2y->dev, 0, alternate))) {
 		snd_printk(KERN_ERR "usb_set_interface error \n");
 		return err;
 	}
-	usX2Y->In04urb->dev = usX2Y->dev;
-	err = usb_submit_urb(usX2Y->In04urb, GFP_KERNEL);
-	list_for_each(p, &usX2Y->midi_list) {
+	usx2y->in04_urb->dev = usx2y->dev;
+	err = usb_submit_urb(usx2y->in04_urb, GFP_KERNEL);
+	list_for_each(p, &usx2y->midi_list) {
 		snd_usbmidi_input_start(p);
 	}
-	usX2Y->format = format;
-	usX2Y->rate = 0;
+	usx2y->format = format;
+	usx2y->rate = 0;
 	return err;
 }
 
 
-static int snd_usX2Y_pcm_hw_params(struct snd_pcm_substream *substream,
+static int snd_usx2y_pcm_hw_params(struct snd_pcm_substream *substream,
 				   struct snd_pcm_hw_params *hw_params)
 {
 	int			err = 0;
 	unsigned int		rate = params_rate(hw_params);
 	snd_pcm_format_t	format = params_format(hw_params);
 	struct snd_card *card = substream->pstr->pcm->card;
-	struct usX2Ydev	*dev = usX2Y(card);
+	struct usx2ydev	*dev = usx2y(card);
 	int i;
 
-	mutex_lock(&usX2Y(card)->pcm_mutex);
-	snd_printdd("snd_usX2Y_hw_params(%p, %p)\n", substream, hw_params);
-	/* all pcm substreams off one usX2Y have to operate at the same
+	mutex_lock(&usx2y(card)->pcm_mutex);
+	snd_printdd("snd_usx2y_hw_params(%p, %p)\n", substream, hw_params);
+	/* all pcm substreams off one usx2y have to operate at the same
 	 * rate & format
 	 */
 	for (i = 0; i < dev->pcm_devs * 2; i++) {
-		struct snd_usX2Y_substream *subs = dev->subs[i];
+		struct snd_usx2y_substream *subs = dev->subs[i];
 		struct snd_pcm_substream *test_substream;
 
 		if (!subs)
@@ -767,39 +767,39 @@ static int snd_usX2Y_pcm_hw_params(struct snd_pcm_substream *substream,
 	}
 
  error:
-	mutex_unlock(&usX2Y(card)->pcm_mutex);
+	mutex_unlock(&usx2y(card)->pcm_mutex);
 	return err;
 }
 
 /*
  * free the buffer
  */
-static int snd_usX2Y_pcm_hw_free(struct snd_pcm_substream *substream)
+static int snd_usx2y_pcm_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
-	mutex_lock(&subs->usX2Y->pcm_mutex);
-	snd_printdd("snd_usX2Y_hw_free(%p)\n", substream);
+	struct snd_usx2y_substream *subs = runtime->private_data;
+	mutex_lock(&subs->usx2y->pcm_mutex);
+	snd_printdd("snd_usx2y_hw_free(%p)\n", substream);
 
 	if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) {
-		struct snd_usX2Y_substream *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
-		atomic_set(&subs->state, state_STOPPED);
-		usX2Y_urbs_release(subs);
+		struct snd_usx2y_substream *cap_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
+		atomic_set(&subs->state, STATE_STOPPED);
+		usx2y_urbs_release(subs);
 		if (!cap_subs->pcm_substream ||
 		    !cap_subs->pcm_substream->runtime ||
 		    !cap_subs->pcm_substream->runtime->status ||
 		    cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) {
-			atomic_set(&cap_subs->state, state_STOPPED);
-			usX2Y_urbs_release(cap_subs);
+			atomic_set(&cap_subs->state, STATE_STOPPED);
+			usx2y_urbs_release(cap_subs);
 		}
 	} else {
-		struct snd_usX2Y_substream *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-		if (atomic_read(&playback_subs->state) < state_PREPARED) {
-			atomic_set(&subs->state, state_STOPPED);
-			usX2Y_urbs_release(subs);
+		struct snd_usx2y_substream *playback_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+		if (atomic_read(&playback_subs->state) < STATE_PREPARED) {
+			atomic_set(&subs->state, STATE_STOPPED);
+			usx2y_urbs_release(subs);
 		}
 	}
-	mutex_unlock(&subs->usX2Y->pcm_mutex);
+	mutex_unlock(&subs->usx2y->pcm_mutex);
 	return 0;
 }
 /*
@@ -807,40 +807,40 @@ static int snd_usX2Y_pcm_hw_free(struct snd_pcm_substream *substream)
  *
  * set format and initialize urbs
  */
-static int snd_usX2Y_pcm_prepare(struct snd_pcm_substream *substream)
+static int snd_usx2y_pcm_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
+	struct snd_usx2y_substream *subs = runtime->private_data;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *capsubs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
 	int err = 0;
-	snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream);
+	snd_printdd("snd_usx2y_pcm_prepare(%p)\n", substream);
 
-	mutex_lock(&usX2Y->pcm_mutex);
-	usX2Y_subs_prepare(subs);
+	mutex_lock(&usx2y->pcm_mutex);
+	usx2y_subs_prepare(subs);
 // Start hardware streams
 // SyncStream first....
-	if (atomic_read(&capsubs->state) < state_PREPARED) {
-		if (usX2Y->format != runtime->format)
-			if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0)
+	if (atomic_read(&capsubs->state) < STATE_PREPARED) {
+		if (usx2y->format != runtime->format)
+			if ((err = usx2y_format_set(usx2y, runtime->format)) < 0)
 				goto up_prepare_mutex;
-		if (usX2Y->rate != runtime->rate)
-			if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0)
+		if (usx2y->rate != runtime->rate)
+			if ((err = usx2y_rate_set(usx2y, runtime->rate)) < 0)
 				goto up_prepare_mutex;
 		snd_printdd("starting capture pipe for %s\n", subs == capsubs ? "self" : "playpipe");
-		if (0 > (err = usX2Y_urbs_start(capsubs)))
+		if (0 > (err = usx2y_urbs_start(capsubs)))
 			goto up_prepare_mutex;
 	}
 
-	if (subs != capsubs && atomic_read(&subs->state) < state_PREPARED)
-		err = usX2Y_urbs_start(subs);
+	if (subs != capsubs && atomic_read(&subs->state) < STATE_PREPARED)
+		err = usx2y_urbs_start(subs);
 
  up_prepare_mutex:
-	mutex_unlock(&usX2Y->pcm_mutex);
+	mutex_unlock(&usx2y->pcm_mutex);
 	return err;
 }
 
-static const struct snd_pcm_hardware snd_usX2Y_2c =
+static const struct snd_pcm_hardware snd_usx2y_2c =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -862,16 +862,16 @@ static const struct snd_pcm_hardware snd_usX2Y_2c =
 
 
 
-static int snd_usX2Y_pcm_open(struct snd_pcm_substream *substream)
+static int snd_usx2y_pcm_open(struct snd_pcm_substream *substream)
 {
-	struct snd_usX2Y_substream	*subs = ((struct snd_usX2Y_substream **)
+	struct snd_usx2y_substream	*subs = ((struct snd_usx2y_substream **)
 					 snd_pcm_substream_chip(substream))[substream->stream];
 	struct snd_pcm_runtime	*runtime = substream->runtime;
 
-	if (subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)
+	if (subs->usx2y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)
 		return -EBUSY;
 
-	runtime->hw = snd_usX2Y_2c;
+	runtime->hw = snd_usx2y_2c;
 	runtime->private_data = subs;
 	subs->pcm_substream = substream;
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000);
@@ -880,10 +880,10 @@ static int snd_usX2Y_pcm_open(struct snd_pcm_substream *substream)
 
 
 
-static int snd_usX2Y_pcm_close(struct snd_pcm_substream *substream)
+static int snd_usx2y_pcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
+	struct snd_usx2y_substream *subs = runtime->private_data;
 
 	subs->pcm_substream = NULL;
 
@@ -891,75 +891,75 @@ static int snd_usX2Y_pcm_close(struct snd_pcm_substream *substream)
 }
 
 
-static const struct snd_pcm_ops snd_usX2Y_pcm_ops =
+static const struct snd_pcm_ops snd_usx2y_pcm_ops =
 {
-	.open =		snd_usX2Y_pcm_open,
-	.close =	snd_usX2Y_pcm_close,
-	.hw_params =	snd_usX2Y_pcm_hw_params,
-	.hw_free =	snd_usX2Y_pcm_hw_free,
-	.prepare =	snd_usX2Y_pcm_prepare,
-	.trigger =	snd_usX2Y_pcm_trigger,
-	.pointer =	snd_usX2Y_pcm_pointer,
+	.open =		snd_usx2y_pcm_open,
+	.close =	snd_usx2y_pcm_close,
+	.hw_params =	snd_usx2y_pcm_hw_params,
+	.hw_free =	snd_usx2y_pcm_hw_free,
+	.prepare =	snd_usx2y_pcm_prepare,
+	.trigger =	snd_usx2y_pcm_trigger,
+	.pointer =	snd_usx2y_pcm_pointer,
 };
 
 
 /*
  * free a usb stream instance
  */
-static void usX2Y_audio_stream_free(struct snd_usX2Y_substream **usX2Y_substream)
+static void usx2y_audio_stream_free(struct snd_usx2y_substream **usx2y_substream)
 {
 	int stream;
 
 	for_each_pcm_streams(stream) {
-		kfree(usX2Y_substream[stream]);
-		usX2Y_substream[stream] = NULL;
+		kfree(usx2y_substream[stream]);
+		usx2y_substream[stream] = NULL;
 	}
 }
 
-static void snd_usX2Y_pcm_private_free(struct snd_pcm *pcm)
+static void snd_usx2y_pcm_private_free(struct snd_pcm *pcm)
 {
-	struct snd_usX2Y_substream **usX2Y_stream = pcm->private_data;
-	if (usX2Y_stream)
-		usX2Y_audio_stream_free(usX2Y_stream);
+	struct snd_usx2y_substream **usx2y_stream = pcm->private_data;
+	if (usx2y_stream)
+		usx2y_audio_stream_free(usx2y_stream);
 }
 
-static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint, int capture_endpoint)
+static int usx2y_audio_stream_new(struct snd_card *card, int playback_endpoint, int capture_endpoint)
 {
 	struct snd_pcm *pcm;
 	int err, i;
-	struct snd_usX2Y_substream **usX2Y_substream =
-		usX2Y(card)->subs + 2 * usX2Y(card)->pcm_devs;
+	struct snd_usx2y_substream **usx2y_substream =
+		usx2y(card)->subs + 2 * usx2y(card)->pcm_devs;
 
 	for (i = playback_endpoint ? SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE;
 	     i <= SNDRV_PCM_STREAM_CAPTURE; ++i) {
-		usX2Y_substream[i] = kzalloc(sizeof(struct snd_usX2Y_substream), GFP_KERNEL);
-		if (!usX2Y_substream[i])
+		usx2y_substream[i] = kzalloc(sizeof(struct snd_usx2y_substream), GFP_KERNEL);
+		if (!usx2y_substream[i])
 			return -ENOMEM;
 
-		usX2Y_substream[i]->usX2Y = usX2Y(card);
+		usx2y_substream[i]->usx2y = usx2y(card);
 	}
 
 	if (playback_endpoint)
-		usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]->endpoint = playback_endpoint;
-	usX2Y_substream[SNDRV_PCM_STREAM_CAPTURE]->endpoint = capture_endpoint;
+		usx2y_substream[SNDRV_PCM_STREAM_PLAYBACK]->endpoint = playback_endpoint;
+	usx2y_substream[SNDRV_PCM_STREAM_CAPTURE]->endpoint = capture_endpoint;
 
-	err = snd_pcm_new(card, NAME_ALLCAPS" Audio", usX2Y(card)->pcm_devs,
+	err = snd_pcm_new(card, NAME_ALLCAPS" Audio", usx2y(card)->pcm_devs,
 			  playback_endpoint ? 1 : 0, 1,
 			  &pcm);
 	if (err < 0) {
-		usX2Y_audio_stream_free(usX2Y_substream);
+		usx2y_audio_stream_free(usx2y_substream);
 		return err;
 	}
 
 	if (playback_endpoint)
-		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_pcm_ops);
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_pcm_ops);
+		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usx2y_pcm_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usx2y_pcm_ops);
 
-	pcm->private_data = usX2Y_substream;
-	pcm->private_free = snd_usX2Y_pcm_private_free;
+	pcm->private_data = usx2y_substream;
+	pcm->private_free = snd_usx2y_pcm_private_free;
 	pcm->info_flags = 0;
 
-	sprintf(pcm->name, NAME_ALLCAPS" Audio #%d", usX2Y(card)->pcm_devs);
+	sprintf(pcm->name, NAME_ALLCAPS" Audio #%d", usx2y(card)->pcm_devs);
 
 	if (playback_endpoint) {
 		snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
@@ -972,7 +972,7 @@ static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint,
 				   SNDRV_DMA_TYPE_CONTINUOUS,
 				   NULL,
 				   64*1024, 128*1024);
-	usX2Y(card)->pcm_devs++;
+	usx2y(card)->pcm_devs++;
 
 	return 0;
 }
@@ -980,18 +980,18 @@ static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint,
 /*
  * create a chip instance and set its names.
  */
-int usX2Y_audio_create(struct snd_card *card)
+int usx2y_audio_create(struct snd_card *card)
 {
 	int err = 0;
 	
-	INIT_LIST_HEAD(&usX2Y(card)->pcm_list);
+	INIT_LIST_HEAD(&usx2y(card)->pcm_list);
 
-	if (0 > (err = usX2Y_audio_stream_new(card, 0xA, 0x8)))
+	if (0 > (err = usx2y_audio_stream_new(card, 0xA, 0x8)))
 		return err;
-	if (le16_to_cpu(usX2Y(card)->dev->descriptor.idProduct) == USB_ID_US428)
-	     if (0 > (err = usX2Y_audio_stream_new(card, 0, 0xA)))
+	if (le16_to_cpu(usx2y(card)->dev->descriptor.idProduct) == USB_ID_US428)
+	     if (0 > (err = usx2y_audio_stream_new(card, 0, 0xA)))
 		     return err;
-	if (le16_to_cpu(usX2Y(card)->dev->descriptor.idProduct) != USB_ID_US122)
-		err = usX2Y_rate_set(usX2Y(card), 44100);	// Lets us428 recognize output-volume settings, disturbs us122.
+	if (le16_to_cpu(usx2y(card)->dev->descriptor.idProduct) != USB_ID_US122)
+		err = usx2y_rate_set(usx2y(card), 44100);	// Lets us428 recognize output-volume settings, disturbs us122.
 	return err;
 }
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index 8253669c6a7d..399470e51c41 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.c
+++ b/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -47,17 +47,17 @@
 #include <sound/hwdep.h>
 
 
-static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs)
+static int usx2y_usbpcm_urb_capt_retire(struct snd_usx2y_substream *subs)
 {
 	struct urb	*urb = subs->completed_urb;
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
 	int 		i, lens = 0, hwptr_done = subs->hwptr_done;
-	struct usX2Ydev	*usX2Y = subs->usX2Y;
-	if (0 > usX2Y->hwdep_pcm_shm->capture_iso_start) { //FIXME
-		int head = usX2Y->hwdep_pcm_shm->captured_iso_head + 1;
-		if (head >= ARRAY_SIZE(usX2Y->hwdep_pcm_shm->captured_iso))
+	struct usx2ydev	*usx2y = subs->usx2y;
+	if (0 > usx2y->hwdep_pcm_shm->capture_iso_start) { //FIXME
+		int head = usx2y->hwdep_pcm_shm->captured_iso_head + 1;
+		if (head >= ARRAY_SIZE(usx2y->hwdep_pcm_shm->captured_iso))
 			head = 0;
-		usX2Y->hwdep_pcm_shm->capture_iso_start = head;
+		usx2y->hwdep_pcm_shm->capture_iso_start = head;
 		snd_printdd("cap start %i\n", head);
 	}
 	for (i = 0; i < nr_of_packs(); i++) {
@@ -65,7 +65,7 @@ static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs)
 			snd_printk(KERN_ERR "active frame status %i. Most probably some hardware problem.\n", urb->iso_frame_desc[i].status);
 			return urb->iso_frame_desc[i].status;
 		}
-		lens += urb->iso_frame_desc[i].actual_length / usX2Y->stride;
+		lens += urb->iso_frame_desc[i].actual_length / usx2y->stride;
 	}
 	if ((hwptr_done += lens) >= runtime->buffer_size)
 		hwptr_done -= runtime->buffer_size;
@@ -79,10 +79,10 @@ static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs)
 	return 0;
 }
 
-static inline int usX2Y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime,
-					      struct usX2Ydev * usX2Y)
+static inline int usx2y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime,
+					      struct usx2ydev * usx2y)
 {
-	return (runtime->buffer_size * 1000) / usX2Y->rate + 1;	//FIXME: so far only correct period_size == 2^x ?
+	return (runtime->buffer_size * 1000) / usx2y->rate + 1;	//FIXME: so far only correct period_size == 2^x ?
 }
 
 /*
@@ -95,17 +95,17 @@ static inline int usX2Y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime,
  * it directly from the buffer.  thus the data is once copied to
  * a temporary buffer and urb points to that.
  */
-static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs,
+static int usx2y_hwdep_urb_play_prepare(struct snd_usx2y_substream *subs,
 					struct urb *urb)
 {
 	int count, counts, pack;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_hwdep_pcm_shm *shm = usX2Y->hwdep_pcm_shm;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_hwdep_pcm_shm *shm = usx2y->hwdep_pcm_shm;
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
 
 	if (0 > shm->playback_iso_start) {
 		shm->playback_iso_start = shm->captured_iso_head -
-			usX2Y_iso_frames_per_buffer(runtime, usX2Y);
+			usx2y_iso_frames_per_buffer(runtime, usx2y);
 		if (0 > shm->playback_iso_start)
 			shm->playback_iso_start += ARRAY_SIZE(shm->captured_iso);
 		shm->playback_iso_head = shm->playback_iso_start;
@@ -114,7 +114,7 @@ static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs,
 	count = 0;
 	for (pack = 0; pack < nr_of_packs(); pack++) {
 		/* calculate the size of a packet */
-		counts = shm->captured_iso[shm->playback_iso_head].length / usX2Y->stride;
+		counts = shm->captured_iso[shm->playback_iso_head].length / usx2y->stride;
 		if (counts < 43 || counts > 50) {
 			snd_printk(KERN_ERR "should not be here with counts=%i\n", counts);
 			return -EPIPE;
@@ -122,26 +122,26 @@ static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs,
 		/* set up descriptor */
 		urb->iso_frame_desc[pack].offset = shm->captured_iso[shm->playback_iso_head].offset;
 		urb->iso_frame_desc[pack].length = shm->captured_iso[shm->playback_iso_head].length;
-		if (atomic_read(&subs->state) != state_RUNNING)
+		if (atomic_read(&subs->state) != STATE_RUNNING)
 			memset((char *)urb->transfer_buffer + urb->iso_frame_desc[pack].offset, 0,
 			       urb->iso_frame_desc[pack].length);
 		if (++shm->playback_iso_head >= ARRAY_SIZE(shm->captured_iso))
 			shm->playback_iso_head = 0;
 		count += counts;
 	}
-	urb->transfer_buffer_length = count * usX2Y->stride;
+	urb->transfer_buffer_length = count * usx2y->stride;
 	return 0;
 }
 
 
-static inline void usX2Y_usbpcm_urb_capt_iso_advance(struct snd_usX2Y_substream *subs,
+static inline void usx2y_usbpcm_urb_capt_iso_advance(struct snd_usx2y_substream *subs,
 						     struct urb *urb)
 {
 	int pack;
 	for (pack = 0; pack < nr_of_packs(); ++pack) {
 		struct usb_iso_packet_descriptor *desc = urb->iso_frame_desc + pack;
 		if (NULL != subs) {
-			struct snd_usX2Y_hwdep_pcm_shm *shm = subs->usX2Y->hwdep_pcm_shm;
+			struct snd_usx2y_hwdep_pcm_shm *shm = subs->usx2y->hwdep_pcm_shm;
 			int head = shm->captured_iso_head + 1;
 			if (head >= ARRAY_SIZE(shm->captured_iso))
 				head = 0;
@@ -157,9 +157,9 @@ static inline void usX2Y_usbpcm_urb_capt_iso_advance(struct snd_usX2Y_substream
 	}
 }
 
-static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *capsubs,
-						 struct snd_usX2Y_substream *capsubs2,
-						 struct snd_usX2Y_substream *playbacksubs,
+static inline int usx2y_usbpcm_usbframe_complete(struct snd_usx2y_substream *capsubs,
+						 struct snd_usx2y_substream *capsubs2,
+						 struct snd_usx2y_substream *playbacksubs,
 						 int frame)
 {
 	int err, state;
@@ -167,25 +167,25 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap
 
 	state = atomic_read(&playbacksubs->state);
 	if (NULL != urb) {
-		if (state == state_RUNNING)
-			usX2Y_urb_play_retire(playbacksubs, urb);
-		else if (state >= state_PRERUNNING)
+		if (state == STATE_RUNNING)
+			usx2y_urb_play_retire(playbacksubs, urb);
+		else if (state >= STATE_PRERUNNING)
 			atomic_inc(&playbacksubs->state);
 	} else {
 		switch (state) {
-		case state_STARTING1:
+		case STATE_STARTING1:
 			urb = playbacksubs->urb[0];
 			atomic_inc(&playbacksubs->state);
 			break;
-		case state_STARTING2:
+		case STATE_STARTING2:
 			urb = playbacksubs->urb[1];
 			atomic_inc(&playbacksubs->state);
 			break;
 		}
 	}
 	if (urb) {
-		if ((err = usX2Y_hwdep_urb_play_prepare(playbacksubs, urb)) ||
-		    (err = usX2Y_urb_submit(playbacksubs, urb, frame))) {
+		if ((err = usx2y_hwdep_urb_play_prepare(playbacksubs, urb)) ||
+		    (err = usx2y_urb_submit(playbacksubs, urb, frame))) {
 			return err;
 		}
 	}
@@ -193,19 +193,19 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap
 	playbacksubs->completed_urb = NULL;
 
 	state = atomic_read(&capsubs->state);
-	if (state >= state_PREPARED) {
-		if (state == state_RUNNING) {
-			if ((err = usX2Y_usbpcm_urb_capt_retire(capsubs)))
+	if (state >= STATE_PREPARED) {
+		if (state == STATE_RUNNING) {
+			if ((err = usx2y_usbpcm_urb_capt_retire(capsubs)))
 				return err;
-		} else if (state >= state_PRERUNNING)
+		} else if (state >= STATE_PRERUNNING)
 			atomic_inc(&capsubs->state);
-		usX2Y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb);
+		usx2y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb);
 		if (NULL != capsubs2)
-			usX2Y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb);
-		if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame)))
+			usx2y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb);
+		if ((err = usx2y_urb_submit(capsubs, capsubs->completed_urb, frame)))
 			return err;
 		if (NULL != capsubs2)
-			if ((err = usX2Y_urb_submit(capsubs2, capsubs2->completed_urb, frame)))
+			if ((err = usx2y_urb_submit(capsubs2, capsubs2->completed_urb, frame)))
 				return err;
 	}
 	capsubs->completed_urb = NULL;
@@ -215,42 +215,42 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap
 }
 
 
-static void i_usX2Y_usbpcm_urb_complete(struct urb *urb)
+static void i_usx2y_usbpcm_urb_complete(struct urb *urb)
 {
-	struct snd_usX2Y_substream *subs = urb->context;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *capsubs, *capsubs2, *playbacksubs;
+	struct snd_usx2y_substream *subs = urb->context;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *capsubs, *capsubs2, *playbacksubs;
 
-	if (unlikely(atomic_read(&subs->state) < state_PREPARED)) {
+	if (unlikely(atomic_read(&subs->state) < STATE_PREPARED)) {
 		snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n",
-			    usb_get_current_frame_number(usX2Y->dev),
+			    usb_get_current_frame_number(usx2y->dev),
 			    subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out",
 			    urb->status, urb->start_frame);
 		return;
 	}
 	if (unlikely(urb->status)) {
-		usX2Y_error_urb_status(usX2Y, subs, urb);
+		usx2y_error_urb_status(usx2y, subs, urb);
 		return;
 	}
 
 	subs->completed_urb = urb;
-	capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
-	capsubs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
-	playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-	if (capsubs->completed_urb && atomic_read(&capsubs->state) >= state_PREPARED &&
+	capsubs = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
+	capsubs2 = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
+	playbacksubs = usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+	if (capsubs->completed_urb && atomic_read(&capsubs->state) >= STATE_PREPARED &&
 	    (NULL == capsubs2 || capsubs2->completed_urb) &&
-	    (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < state_PREPARED)) {
-		if (!usX2Y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame))
-			usX2Y->wait_iso_frame += nr_of_packs();
+	    (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < STATE_PREPARED)) {
+		if (!usx2y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame))
+			usx2y->wait_iso_frame += nr_of_packs();
 		else {
 			snd_printdd("\n");
-			usX2Y_clients_stop(usX2Y);
+			usx2y_clients_stop(usx2y);
 		}
 	}
 }
 
 
-static void usX2Y_hwdep_urb_release(struct urb **urb)
+static void usx2y_hwdep_urb_release(struct urb **urb)
 {
 	usb_kill_urb(*urb);
 	usb_free_urb(*urb);
@@ -260,49 +260,49 @@ static void usX2Y_hwdep_urb_release(struct urb **urb)
 /*
  * release a substream
  */
-static void usX2Y_usbpcm_urbs_release(struct snd_usX2Y_substream *subs)
+static void usx2y_usbpcm_urbs_release(struct snd_usx2y_substream *subs)
 {
 	int i;
-	snd_printdd("snd_usX2Y_urbs_release() %i\n", subs->endpoint);
+	snd_printdd("snd_usx2y_urbs_release() %i\n", subs->endpoint);
 	for (i = 0; i < NRURBS; i++)
-		usX2Y_hwdep_urb_release(subs->urb + i);
+		usx2y_hwdep_urb_release(subs->urb + i);
 }
 
-static void usX2Y_usbpcm_subs_startup_finish(struct usX2Ydev * usX2Y)
+static void usx2y_usbpcm_subs_startup_finish(struct usx2ydev * usx2y)
 {
-	usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_urb_complete);
-	usX2Y->prepare_subs = NULL;
+	usx2y_urbs_set_complete(usx2y, i_usx2y_usbpcm_urb_complete);
+	usx2y->prepare_subs = NULL;
 }
 
-static void i_usX2Y_usbpcm_subs_startup(struct urb *urb)
+static void i_usx2y_usbpcm_subs_startup(struct urb *urb)
 {
-	struct snd_usX2Y_substream *subs = urb->context;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *prepare_subs = usX2Y->prepare_subs;
+	struct snd_usx2y_substream *subs = urb->context;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *prepare_subs = usx2y->prepare_subs;
 	if (NULL != prepare_subs &&
 	    urb->start_frame == prepare_subs->urb[0]->start_frame) {
 		atomic_inc(&prepare_subs->state);
-		if (prepare_subs == usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]) {
-			struct snd_usX2Y_substream *cap_subs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
+		if (prepare_subs == usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]) {
+			struct snd_usx2y_substream *cap_subs2 = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
 			if (cap_subs2 != NULL)
 				atomic_inc(&cap_subs2->state);
 		}
-		usX2Y_usbpcm_subs_startup_finish(usX2Y);
-		wake_up(&usX2Y->prepare_wait_queue);
+		usx2y_usbpcm_subs_startup_finish(usx2y);
+		wake_up(&usx2y->prepare_wait_queue);
 	}
 
-	i_usX2Y_usbpcm_urb_complete(urb);
+	i_usx2y_usbpcm_urb_complete(urb);
 }
 
 /*
  * initialize a substream's urbs
  */
-static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs)
+static int usx2y_usbpcm_urbs_allocate(struct snd_usx2y_substream *subs)
 {
 	int i;
 	unsigned int pipe;
-	int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-	struct usb_device *dev = subs->usX2Y->dev;
+	int is_playback = subs == subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+	struct usb_device *dev = subs->usx2y->dev;
 
 	pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) :
 			usb_rcvisocpipe(dev, subs->endpoint);
@@ -319,21 +319,21 @@ static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs)
 		}
 		*purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL);
 		if (NULL == *purb) {
-			usX2Y_usbpcm_urbs_release(subs);
+			usx2y_usbpcm_urbs_release(subs);
 			return -ENOMEM;
 		}
 		(*purb)->transfer_buffer = is_playback ?
-			subs->usX2Y->hwdep_pcm_shm->playback : (
+			subs->usx2y->hwdep_pcm_shm->playback : (
 				subs->endpoint == 0x8 ?
-				subs->usX2Y->hwdep_pcm_shm->capture0x8 :
-				subs->usX2Y->hwdep_pcm_shm->capture0xA);
+				subs->usx2y->hwdep_pcm_shm->capture0x8 :
+				subs->usx2y->hwdep_pcm_shm->capture0xA);
 
 		(*purb)->dev = dev;
 		(*purb)->pipe = pipe;
 		(*purb)->number_of_packets = nr_of_packs();
 		(*purb)->context = subs;
 		(*purb)->interval = 1;
-		(*purb)->complete = i_usX2Y_usbpcm_subs_startup;
+		(*purb)->complete = i_usx2y_usbpcm_subs_startup;
 	}
 	return 0;
 }
@@ -341,91 +341,91 @@ static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs)
 /*
  * free the buffer
  */
-static int snd_usX2Y_usbpcm_hw_free(struct snd_pcm_substream *substream)
+static int snd_usx2y_usbpcm_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data,
-		*cap_subs2 = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
-	mutex_lock(&subs->usX2Y->pcm_mutex);
-	snd_printdd("snd_usX2Y_usbpcm_hw_free(%p)\n", substream);
+	struct snd_usx2y_substream *subs = runtime->private_data,
+		*cap_subs2 = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
+	mutex_lock(&subs->usx2y->pcm_mutex);
+	snd_printdd("snd_usx2y_usbpcm_hw_free(%p)\n", substream);
 
 	if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) {
-		struct snd_usX2Y_substream *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
-		atomic_set(&subs->state, state_STOPPED);
-		usX2Y_usbpcm_urbs_release(subs);
+		struct snd_usx2y_substream *cap_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
+		atomic_set(&subs->state, STATE_STOPPED);
+		usx2y_usbpcm_urbs_release(subs);
 		if (!cap_subs->pcm_substream ||
 		    !cap_subs->pcm_substream->runtime ||
 		    !cap_subs->pcm_substream->runtime->status ||
 		    cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) {
-			atomic_set(&cap_subs->state, state_STOPPED);
+			atomic_set(&cap_subs->state, STATE_STOPPED);
 			if (NULL != cap_subs2)
-				atomic_set(&cap_subs2->state, state_STOPPED);
-			usX2Y_usbpcm_urbs_release(cap_subs);
+				atomic_set(&cap_subs2->state, STATE_STOPPED);
+			usx2y_usbpcm_urbs_release(cap_subs);
 			if (NULL != cap_subs2)
-				usX2Y_usbpcm_urbs_release(cap_subs2);
+				usx2y_usbpcm_urbs_release(cap_subs2);
 		}
 	} else {
-		struct snd_usX2Y_substream *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-		if (atomic_read(&playback_subs->state) < state_PREPARED) {
-			atomic_set(&subs->state, state_STOPPED);
+		struct snd_usx2y_substream *playback_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+		if (atomic_read(&playback_subs->state) < STATE_PREPARED) {
+			atomic_set(&subs->state, STATE_STOPPED);
 			if (NULL != cap_subs2)
-				atomic_set(&cap_subs2->state, state_STOPPED);
-			usX2Y_usbpcm_urbs_release(subs);
+				atomic_set(&cap_subs2->state, STATE_STOPPED);
+			usx2y_usbpcm_urbs_release(subs);
 			if (NULL != cap_subs2)
-				usX2Y_usbpcm_urbs_release(cap_subs2);
+				usx2y_usbpcm_urbs_release(cap_subs2);
 		}
 	}
-	mutex_unlock(&subs->usX2Y->pcm_mutex);
+	mutex_unlock(&subs->usx2y->pcm_mutex);
 	return 0;
 }
 
-static void usX2Y_usbpcm_subs_startup(struct snd_usX2Y_substream *subs)
+static void usx2y_usbpcm_subs_startup(struct snd_usx2y_substream *subs)
 {
-	struct usX2Ydev * usX2Y = subs->usX2Y;
-	usX2Y->prepare_subs = subs;
+	struct usx2ydev * usx2y = subs->usx2y;
+	usx2y->prepare_subs = subs;
 	subs->urb[0]->start_frame = -1;
-	smp_wmb();	// Make sure above modifications are seen by i_usX2Y_subs_startup()
-	usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_subs_startup);
+	smp_wmb();	// Make sure above modifications are seen by i_usx2y_subs_startup()
+	usx2y_urbs_set_complete(usx2y, i_usx2y_usbpcm_subs_startup);
 }
 
-static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs)
+static int usx2y_usbpcm_urbs_start(struct snd_usx2y_substream *subs)
 {
 	int	p, u, err,
 		stream = subs->pcm_substream->stream;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
+	struct usx2ydev *usx2y = subs->usx2y;
 
 	if (SNDRV_PCM_STREAM_CAPTURE == stream) {
-		usX2Y->hwdep_pcm_shm->captured_iso_head = -1;
-		usX2Y->hwdep_pcm_shm->captured_iso_frames = 0;
+		usx2y->hwdep_pcm_shm->captured_iso_head = -1;
+		usx2y->hwdep_pcm_shm->captured_iso_frames = 0;
 	}
 
 	for (p = 0; 3 >= (stream + p); p += 2) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[stream + p];
+		struct snd_usx2y_substream *subs = usx2y->subs[stream + p];
 		if (subs != NULL) {
-			if ((err = usX2Y_usbpcm_urbs_allocate(subs)) < 0)
+			if ((err = usx2y_usbpcm_urbs_allocate(subs)) < 0)
 				return err;
 			subs->completed_urb = NULL;
 		}
 	}
 
 	for (p = 0; p < 4; p++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[p];
-		if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED)
+		struct snd_usx2y_substream *subs = usx2y->subs[p];
+		if (subs != NULL && atomic_read(&subs->state) >= STATE_PREPARED)
 			goto start;
 	}
 
  start:
-	usX2Y_usbpcm_subs_startup(subs);
+	usx2y_usbpcm_subs_startup(subs);
 	for (u = 0; u < NRURBS; u++) {
 		for (p = 0; 3 >= (stream + p); p += 2) {
-			struct snd_usX2Y_substream *subs = usX2Y->subs[stream + p];
+			struct snd_usx2y_substream *subs = usx2y->subs[stream + p];
 			if (subs != NULL) {
 				struct urb *urb = subs->urb[u];
 				if (usb_pipein(urb->pipe)) {
 					unsigned long pack;
 					if (0 == u)
-						atomic_set(&subs->state, state_STARTING3);
-					urb->dev = usX2Y->dev;
+						atomic_set(&subs->state, STATE_STARTING3);
+					urb->dev = usx2y->dev;
 					for (pack = 0; pack < nr_of_packs(); pack++) {
 						urb->iso_frame_desc[pack].offset = subs->maxpacksize * (pack + u * nr_of_packs());
 						urb->iso_frame_desc[pack].length = subs->maxpacksize;
@@ -438,25 +438,25 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs)
 					}  else {
 						snd_printdd("%i\n", urb->start_frame);
 						if (u == 0)
-							usX2Y->wait_iso_frame = urb->start_frame;
+							usx2y->wait_iso_frame = urb->start_frame;
 					}
 					urb->transfer_flags = 0;
 				} else {
-					atomic_set(&subs->state, state_STARTING1);
+					atomic_set(&subs->state, STATE_STARTING1);
 					break;
 				}			
 			}
 		}
 	}
 	err = 0;
-	wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs);
-	if (atomic_read(&subs->state) != state_PREPARED)
+	wait_event(usx2y->prepare_wait_queue, NULL == usx2y->prepare_subs);
+	if (atomic_read(&subs->state) != STATE_PREPARED)
 		err = -EPIPE;
 		
  cleanup:
 	if (err) {
-		usX2Y_subs_startup_finish(usX2Y);	// Call it now
-		usX2Y_clients_stop(usX2Y);		// something is completely wroong > stop evrything			
+		usx2y_subs_startup_finish(usx2y);	// Call it now
+		usx2y_clients_stop(usx2y);		// something is completely wroong > stop evrything			
 	}
 	return err;
 }
@@ -466,69 +466,69 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs)
  *
  * set format and initialize urbs
  */
-static int snd_usX2Y_usbpcm_prepare(struct snd_pcm_substream *substream)
+static int snd_usx2y_usbpcm_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
+	struct snd_usx2y_substream *subs = runtime->private_data;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *capsubs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
 	int err = 0;
-	snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream);
+	snd_printdd("snd_usx2y_pcm_prepare(%p)\n", substream);
 
-	if (NULL == usX2Y->hwdep_pcm_shm) {
-		usX2Y->hwdep_pcm_shm = alloc_pages_exact(sizeof(struct snd_usX2Y_hwdep_pcm_shm),
+	if (NULL == usx2y->hwdep_pcm_shm) {
+		usx2y->hwdep_pcm_shm = alloc_pages_exact(sizeof(struct snd_usx2y_hwdep_pcm_shm),
 							 GFP_KERNEL);
-		if (!usX2Y->hwdep_pcm_shm)
+		if (!usx2y->hwdep_pcm_shm)
 			return -ENOMEM;
-		memset(usX2Y->hwdep_pcm_shm, 0, sizeof(struct snd_usX2Y_hwdep_pcm_shm));
+		memset(usx2y->hwdep_pcm_shm, 0, sizeof(struct snd_usx2y_hwdep_pcm_shm));
 	}
 
-	mutex_lock(&usX2Y->pcm_mutex);
-	usX2Y_subs_prepare(subs);
+	mutex_lock(&usx2y->pcm_mutex);
+	usx2y_subs_prepare(subs);
 // Start hardware streams
 // SyncStream first....
-	if (atomic_read(&capsubs->state) < state_PREPARED) {
-		if (usX2Y->format != runtime->format)
-			if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0)
+	if (atomic_read(&capsubs->state) < STATE_PREPARED) {
+		if (usx2y->format != runtime->format)
+			if ((err = usx2y_format_set(usx2y, runtime->format)) < 0)
 				goto up_prepare_mutex;
-		if (usX2Y->rate != runtime->rate)
-			if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0)
+		if (usx2y->rate != runtime->rate)
+			if ((err = usx2y_rate_set(usx2y, runtime->rate)) < 0)
 				goto up_prepare_mutex;
 		snd_printdd("starting capture pipe for %s\n", subs == capsubs ?
 			    "self" : "playpipe");
-		if (0 > (err = usX2Y_usbpcm_urbs_start(capsubs)))
+		if (0 > (err = usx2y_usbpcm_urbs_start(capsubs)))
 			goto up_prepare_mutex;
 	}
 
 	if (subs != capsubs) {
-		usX2Y->hwdep_pcm_shm->playback_iso_start = -1;
-		if (atomic_read(&subs->state) < state_PREPARED) {
-			while (usX2Y_iso_frames_per_buffer(runtime, usX2Y) >
-			       usX2Y->hwdep_pcm_shm->captured_iso_frames) {
+		usx2y->hwdep_pcm_shm->playback_iso_start = -1;
+		if (atomic_read(&subs->state) < STATE_PREPARED) {
+			while (usx2y_iso_frames_per_buffer(runtime, usx2y) >
+			       usx2y->hwdep_pcm_shm->captured_iso_frames) {
 				snd_printdd("Wait: iso_frames_per_buffer=%i,"
 					    "captured_iso_frames=%i\n",
-					    usX2Y_iso_frames_per_buffer(runtime, usX2Y),
-					    usX2Y->hwdep_pcm_shm->captured_iso_frames);
+					    usx2y_iso_frames_per_buffer(runtime, usx2y),
+					    usx2y->hwdep_pcm_shm->captured_iso_frames);
 				if (msleep_interruptible(10)) {
 					err = -ERESTARTSYS;
 					goto up_prepare_mutex;
 				}
 			} 
-			if (0 > (err = usX2Y_usbpcm_urbs_start(subs)))
+			if (0 > (err = usx2y_usbpcm_urbs_start(subs)))
 				goto up_prepare_mutex;
 		}
 		snd_printdd("Ready: iso_frames_per_buffer=%i,captured_iso_frames=%i\n",
-			    usX2Y_iso_frames_per_buffer(runtime, usX2Y),
-			    usX2Y->hwdep_pcm_shm->captured_iso_frames);
+			    usx2y_iso_frames_per_buffer(runtime, usx2y),
+			    usx2y->hwdep_pcm_shm->captured_iso_frames);
 	} else
-		usX2Y->hwdep_pcm_shm->capture_iso_start = -1;
+		usx2y->hwdep_pcm_shm->capture_iso_start = -1;
 
  up_prepare_mutex:
-	mutex_unlock(&usX2Y->pcm_mutex);
+	mutex_unlock(&usx2y->pcm_mutex);
 	return err;
 }
 
-static const struct snd_pcm_hardware snd_usX2Y_4c =
+static const struct snd_pcm_hardware snd_usx2y_4c =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -549,17 +549,17 @@ static const struct snd_pcm_hardware snd_usX2Y_4c =
 
 
 
-static int snd_usX2Y_usbpcm_open(struct snd_pcm_substream *substream)
+static int snd_usx2y_usbpcm_open(struct snd_pcm_substream *substream)
 {
-	struct snd_usX2Y_substream	*subs = ((struct snd_usX2Y_substream **)
+	struct snd_usx2y_substream	*subs = ((struct snd_usx2y_substream **)
 					 snd_pcm_substream_chip(substream))[substream->stream];
 	struct snd_pcm_runtime	*runtime = substream->runtime;
 
-	if (!(subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS))
+	if (!(subs->usx2y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS))
 		return -EBUSY;
 
-	runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usX2Y_2c :
-		(subs->usX2Y->subs[3] ? snd_usX2Y_4c : snd_usX2Y_2c);
+	runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usx2y_2c :
+		(subs->usx2y->subs[3] ? snd_usx2y_4c : snd_usx2y_2c);
 	runtime->private_data = subs;
 	subs->pcm_substream = substream;
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000);
@@ -567,35 +567,35 @@ static int snd_usX2Y_usbpcm_open(struct snd_pcm_substream *substream)
 }
 
 
-static int snd_usX2Y_usbpcm_close(struct snd_pcm_substream *substream)
+static int snd_usx2y_usbpcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
+	struct snd_usx2y_substream *subs = runtime->private_data;
 
 	subs->pcm_substream = NULL;
 	return 0;
 }
 
 
-static const struct snd_pcm_ops snd_usX2Y_usbpcm_ops =
+static const struct snd_pcm_ops snd_usx2y_usbpcm_ops =
 {
-	.open =		snd_usX2Y_usbpcm_open,
-	.close =	snd_usX2Y_usbpcm_close,
-	.hw_params =	snd_usX2Y_pcm_hw_params,
-	.hw_free =	snd_usX2Y_usbpcm_hw_free,
-	.prepare =	snd_usX2Y_usbpcm_prepare,
-	.trigger =	snd_usX2Y_pcm_trigger,
-	.pointer =	snd_usX2Y_pcm_pointer,
+	.open =		snd_usx2y_usbpcm_open,
+	.close =	snd_usx2y_usbpcm_close,
+	.hw_params =	snd_usx2y_pcm_hw_params,
+	.hw_free =	snd_usx2y_usbpcm_hw_free,
+	.prepare =	snd_usx2y_usbpcm_prepare,
+	.trigger =	snd_usx2y_pcm_trigger,
+	.pointer =	snd_usx2y_pcm_pointer,
 };
 
 
-static int usX2Y_pcms_busy_check(struct snd_card *card)
+static int usx2y_pcms_busy_check(struct snd_card *card)
 {
-	struct usX2Ydev	*dev = usX2Y(card);
+	struct usx2ydev	*dev = usx2y(card);
 	int i;
 
 	for (i = 0; i < dev->pcm_devs * 2; i++) {
-		struct snd_usX2Y_substream *subs = dev->subs[i];
+		struct snd_usx2y_substream *subs = dev->subs[i];
 		if (subs && subs->pcm_substream &&
 		    SUBSTREAM_BUSY(subs->pcm_substream))
 			return -EBUSY;
@@ -603,102 +603,102 @@ static int usX2Y_pcms_busy_check(struct snd_card *card)
 	return 0;
 }
 
-static int snd_usX2Y_hwdep_pcm_open(struct snd_hwdep *hw, struct file *file)
+static int snd_usx2y_hwdep_pcm_open(struct snd_hwdep *hw, struct file *file)
 {
 	struct snd_card *card = hw->card;
 	int err;
 
-	mutex_lock(&usX2Y(card)->pcm_mutex);
-	err = usX2Y_pcms_busy_check(card);
+	mutex_lock(&usx2y(card)->pcm_mutex);
+	err = usx2y_pcms_busy_check(card);
 	if (!err)
-		usX2Y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS;
-	mutex_unlock(&usX2Y(card)->pcm_mutex);
+		usx2y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS;
+	mutex_unlock(&usx2y(card)->pcm_mutex);
 	return err;
 }
 
 
-static int snd_usX2Y_hwdep_pcm_release(struct snd_hwdep *hw, struct file *file)
+static int snd_usx2y_hwdep_pcm_release(struct snd_hwdep *hw, struct file *file)
 {
 	struct snd_card *card = hw->card;
 	int err;
 
-	mutex_lock(&usX2Y(card)->pcm_mutex);
-	err = usX2Y_pcms_busy_check(card);
+	mutex_lock(&usx2y(card)->pcm_mutex);
+	err = usx2y_pcms_busy_check(card);
 	if (!err)
-		usX2Y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS;
-	mutex_unlock(&usX2Y(card)->pcm_mutex);
+		usx2y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS;
+	mutex_unlock(&usx2y(card)->pcm_mutex);
 	return err;
 }
 
 
-static void snd_usX2Y_hwdep_pcm_vm_open(struct vm_area_struct *area)
+static void snd_usx2y_hwdep_pcm_vm_open(struct vm_area_struct *area)
 {
 }
 
 
-static void snd_usX2Y_hwdep_pcm_vm_close(struct vm_area_struct *area)
+static void snd_usx2y_hwdep_pcm_vm_close(struct vm_area_struct *area)
 {
 }
 
 
-static vm_fault_t snd_usX2Y_hwdep_pcm_vm_fault(struct vm_fault *vmf)
+static vm_fault_t snd_usx2y_hwdep_pcm_vm_fault(struct vm_fault *vmf)
 {
 	unsigned long offset;
 	void *vaddr;
 
 	offset = vmf->pgoff << PAGE_SHIFT;
-	vaddr = (char *)((struct usX2Ydev *)vmf->vma->vm_private_data)->hwdep_pcm_shm + offset;
+	vaddr = (char *)((struct usx2ydev *)vmf->vma->vm_private_data)->hwdep_pcm_shm + offset;
 	vmf->page = virt_to_page(vaddr);
 	get_page(vmf->page);
 	return 0;
 }
 
 
-static const struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = {
-	.open = snd_usX2Y_hwdep_pcm_vm_open,
-	.close = snd_usX2Y_hwdep_pcm_vm_close,
-	.fault = snd_usX2Y_hwdep_pcm_vm_fault,
+static const struct vm_operations_struct snd_usx2y_hwdep_pcm_vm_ops = {
+	.open = snd_usx2y_hwdep_pcm_vm_open,
+	.close = snd_usx2y_hwdep_pcm_vm_close,
+	.fault = snd_usx2y_hwdep_pcm_vm_fault,
 };
 
 
-static int snd_usX2Y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area)
+static int snd_usx2y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area)
 {
 	unsigned long	size = (unsigned long)(area->vm_end - area->vm_start);
-	struct usX2Ydev	*usX2Y = hw->private_data;
+	struct usx2ydev	*usx2y = hw->private_data;
 
-	if (!(usX2Y->chip_status & USX2Y_STAT_CHIP_INIT))
+	if (!(usx2y->chip_status & USX2Y_STAT_CHIP_INIT))
 		return -EBUSY;
 
 	/* if userspace tries to mmap beyond end of our buffer, fail */ 
-	if (size > PAGE_ALIGN(sizeof(struct snd_usX2Y_hwdep_pcm_shm))) {
-		snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct snd_usX2Y_hwdep_pcm_shm)); 
+	if (size > PAGE_ALIGN(sizeof(struct snd_usx2y_hwdep_pcm_shm))) {
+		snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct snd_usx2y_hwdep_pcm_shm)); 
 		return -EINVAL;
 	}
 
-	if (!usX2Y->hwdep_pcm_shm) {
+	if (!usx2y->hwdep_pcm_shm) {
 		return -ENODEV;
 	}
-	area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops;
+	area->vm_ops = &snd_usx2y_hwdep_pcm_vm_ops;
 	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
 	area->vm_private_data = hw->private_data;
 	return 0;
 }
 
 
-static void snd_usX2Y_hwdep_pcm_private_free(struct snd_hwdep *hwdep)
+static void snd_usx2y_hwdep_pcm_private_free(struct snd_hwdep *hwdep)
 {
-	struct usX2Ydev *usX2Y = hwdep->private_data;
-	if (NULL != usX2Y->hwdep_pcm_shm)
-		free_pages_exact(usX2Y->hwdep_pcm_shm, sizeof(struct snd_usX2Y_hwdep_pcm_shm));
+	struct usx2ydev *usx2y = hwdep->private_data;
+	if (NULL != usx2y->hwdep_pcm_shm)
+		free_pages_exact(usx2y->hwdep_pcm_shm, sizeof(struct snd_usx2y_hwdep_pcm_shm));
 }
 
 
-int usX2Y_hwdep_pcm_new(struct snd_card *card)
+int usx2y_hwdep_pcm_new(struct snd_card *card)
 {
 	int err;
 	struct snd_hwdep *hw;
 	struct snd_pcm *pcm;
-	struct usb_device *dev = usX2Y(card)->dev;
+	struct usb_device *dev = usx2y(card)->dev;
 	if (1 != nr_of_packs())
 		return 0;
 
@@ -706,11 +706,11 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card)
 		return err;
 
 	hw->iface = SNDRV_HWDEP_IFACE_USX2Y_PCM;
-	hw->private_data = usX2Y(card);
-	hw->private_free = snd_usX2Y_hwdep_pcm_private_free;
-	hw->ops.open = snd_usX2Y_hwdep_pcm_open;
-	hw->ops.release = snd_usX2Y_hwdep_pcm_release;
-	hw->ops.mmap = snd_usX2Y_hwdep_pcm_mmap;
+	hw->private_data = usx2y(card);
+	hw->private_free = snd_usx2y_hwdep_pcm_private_free;
+	hw->ops.open = snd_usx2y_hwdep_pcm_open;
+	hw->ops.release = snd_usx2y_hwdep_pcm_release;
+	hw->ops.mmap = snd_usx2y_hwdep_pcm_mmap;
 	hw->exclusive = 1;
 	sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum);
 
@@ -718,10 +718,10 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card)
 	if (err < 0) {
 		return err;
 	}
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_usbpcm_ops);
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_usbpcm_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usx2y_usbpcm_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usx2y_usbpcm_ops);
 
-	pcm->private_data = usX2Y(card)->subs;
+	pcm->private_data = usx2y(card)->subs;
 	pcm->info_flags = 0;
 
 	sprintf(pcm->name, NAME_ALLCAPS" hwdep Audio");
@@ -739,7 +739,7 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card)
 
 #else
 
-int usX2Y_hwdep_pcm_new(struct snd_card *card)
+int usx2y_hwdep_pcm_new(struct snd_card *card)
 {
 	return 0;
 }
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.h b/sound/usb/usx2y/usx2yhwdeppcm.h
index eb5a46466f0e..731b1c5a3474 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.h
+++ b/sound/usb/usx2y/usx2yhwdeppcm.h
@@ -4,7 +4,7 @@
 #define MAXSTRIDE 3
 
 #define SSS (((MAXPACK*MAXBUFFERMS*MAXSTRIDE + 4096) / 4096) * 4096)
-struct snd_usX2Y_hwdep_pcm_shm {
+struct snd_usx2y_hwdep_pcm_shm {
 	char playback[SSS];
 	char capture0x8[SSS];
 	char capture0xA[SSS];
@@ -20,4 +20,4 @@ struct snd_usX2Y_hwdep_pcm_shm {
 	int capture_iso_start;
 };
 
-int usX2Y_hwdep_pcm_new(struct snd_card *card);
+int usx2y_hwdep_pcm_new(struct snd_card *card);
-- 
2.30.2

[PATCH AUTOSEL 5.12 020/104] ALSA: usx2y: Don't call free_pages_exact() with NULL address

[Sasha Levin]

From: Takashi Iwai <tiwai@suse.de>

[ Upstream commit cae0cf651adccee2c3f376e78f30fbd788d0829f ]

Unlike some other functions, we can't pass NULL pointer to
free_pages_exact().  Add a proper NULL check for avoiding possible
Oops.

Link: https://lore.kernel.org/r/20210517131545.27252-10-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/usb/usx2y/usb_stream.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c
index 091c071b270a..cff684942c4f 100644
--- a/sound/usb/usx2y/usb_stream.c
+++ b/sound/usb/usx2y/usb_stream.c
@@ -142,8 +142,11 @@ void usb_stream_free(struct usb_stream_kernel *sk)
 	if (!s)
 		return;
 
-	free_pages_exact(sk->write_page, s->write_size);
-	sk->write_page = NULL;
+	if (sk->write_page) {
+		free_pages_exact(sk->write_page, s->write_size);
+		sk->write_page = NULL;
+	}
+
 	free_pages_exact(s, s->read_size);
 	sk->s = NULL;
 }
-- 
2.30.2

[PATCH AUTOSEL 5.12 021/104] Revert "ALSA: bebob/oxfw: fix Kconfig entry for Mackie d.2 Pro"

[Sasha Levin]

From: Takashi Sakamoto <o-takashi@sakamocchi.jp>

[ Upstream commit 5d6fb80a142b5994355ce675c517baba6089d199 ]

This reverts commit 0edabdfe89581669609eaac5f6a8d0ae6fe95e7f.

I've explained that optional FireWire card for d.2 is also built-in to
d.2 Pro, however it's wrong. The optional card uses DM1000 ASIC and has
'Mackie DJ Mixer' in its model name of configuration ROM. On the other
hand, built-in FireWire card for d.2 Pro and d.4 Pro uses OXFW971 ASIC
and has 'd.Pro' in its model name according to manuals and user
experiences. The former card is not the card for d.2 Pro. They are similar
in appearance but different internally.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210518084557.102681-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/firewire/Kconfig       | 4 ++--
 sound/firewire/bebob/bebob.c | 2 +-
 sound/firewire/oxfw/oxfw.c   | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig
index 9897bd26a438..def1f3d5ecf5 100644
--- a/sound/firewire/Kconfig
+++ b/sound/firewire/Kconfig
@@ -38,7 +38,7 @@ config SND_OXFW
 	   * Mackie(Loud) Onyx 1640i (former model)
 	   * Mackie(Loud) Onyx Satellite
 	   * Mackie(Loud) Tapco Link.Firewire
-	   * Mackie(Loud) d.4 pro
+	   * Mackie(Loud) d.2 pro/d.4 pro (built-in FireWire card with OXFW971 ASIC)
 	   * Mackie(Loud) U.420/U.420d
 	   * TASCAM FireOne
 	   * Stanton Controllers & Systems 1 Deck/Mixer
@@ -84,7 +84,7 @@ config SND_BEBOB
 	  * PreSonus FIREBOX/FIREPOD/FP10/Inspire1394
 	  * BridgeCo RDAudio1/Audio5
 	  * Mackie Onyx 1220/1620/1640 (FireWire I/O Card)
-	  * Mackie d.2 (FireWire Option) and d.2 Pro
+	  * Mackie d.2 (optional FireWire card with DM1000 ASIC)
 	  * Stanton FinalScratch 2 (ScratchAmp)
 	  * Tascam IF-FW/DM
 	  * Behringer XENIX UFX 1204/1604
diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
index daeecfa8b9aa..90e98a6d1546 100644
--- a/sound/firewire/bebob/bebob.c
+++ b/sound/firewire/bebob/bebob.c
@@ -387,7 +387,7 @@ static const struct ieee1394_device_id bebob_id_table[] = {
 	SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal),
 	/* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */
 	SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal),
-	// Mackie, d.2 (Firewire option card) and d.2 Pro (the card is built-in).
+	// Mackie, d.2 (optional Firewire card with DM1000).
 	SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal),
 	/* Stanton, ScratchAmp */
 	SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal),
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c
index 9eea25c46dc7..5490637d278a 100644
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -355,7 +355,7 @@ static const struct ieee1394_device_id oxfw_id_table[] = {
 	 *  Onyx-i series (former models):	0x081216
 	 *  Mackie Onyx Satellite:		0x00200f
 	 *  Tapco LINK.firewire 4x6:		0x000460
-	 *  d.4 pro:				Unknown
+	 *  d.2 pro/d.4 pro (built-in card):	Unknown
 	 *  U.420:				Unknown
 	 *  U.420d:				Unknown
 	 */
-- 
2.30.2

[PATCH AUTOSEL 5.12 022/104] usb: common: usb-conn-gpio: fix NULL pointer dereference of charger

[Sasha Levin]

From: Chunfeng Yun <chunfeng.yun@mediatek.com>

[ Upstream commit 880287910b1892ed2cb38977893b947382a09d21 ]

When power on system with OTG cable, IDDIG's interrupt arises before
the charger registration, it will cause a NULL pointer dereference,
fix the issue by registering the power supply before requesting
IDDIG/VBUS irq.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1621406386-18838-1-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/common/usb-conn-gpio.c | 44 ++++++++++++++++++------------
 1 file changed, 26 insertions(+), 18 deletions(-)

diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c
index 6c4e3a19f42c..c9545a4eff66 100644
--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -149,14 +149,32 @@ static int usb_charger_get_property(struct power_supply *psy,
 	return 0;
 }
 
-static int usb_conn_probe(struct platform_device *pdev)
+static int usb_conn_psy_register(struct usb_conn_info *info)
 {
-	struct device *dev = &pdev->dev;
-	struct power_supply_desc *desc;
-	struct usb_conn_info *info;
+	struct device *dev = info->dev;
+	struct power_supply_desc *desc = &info->desc;
 	struct power_supply_config cfg = {
 		.of_node = dev->of_node,
 	};
+
+	desc->name = "usb-charger";
+	desc->properties = usb_charger_properties;
+	desc->num_properties = ARRAY_SIZE(usb_charger_properties);
+	desc->get_property = usb_charger_get_property;
+	desc->type = POWER_SUPPLY_TYPE_USB;
+	cfg.drv_data = info;
+
+	info->charger = devm_power_supply_register(dev, desc, &cfg);
+	if (IS_ERR(info->charger))
+		dev_err(dev, "Unable to register charger\n");
+
+	return PTR_ERR_OR_ZERO(info->charger);
+}
+
+static int usb_conn_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct usb_conn_info *info;
 	bool need_vbus = true;
 	int ret = 0;
 
@@ -218,6 +236,10 @@ static int usb_conn_probe(struct platform_device *pdev)
 		return PTR_ERR(info->role_sw);
 	}
 
+	ret = usb_conn_psy_register(info);
+	if (ret)
+		goto put_role_sw;
+
 	if (info->id_gpiod) {
 		info->id_irq = gpiod_to_irq(info->id_gpiod);
 		if (info->id_irq < 0) {
@@ -252,20 +274,6 @@ static int usb_conn_probe(struct platform_device *pdev)
 		}
 	}
 
-	desc = &info->desc;
-	desc->name = "usb-charger";
-	desc->properties = usb_charger_properties;
-	desc->num_properties = ARRAY_SIZE(usb_charger_properties);
-	desc->get_property = usb_charger_get_property;
-	desc->type = POWER_SUPPLY_TYPE_USB;
-	cfg.drv_data = info;
-
-	info->charger = devm_power_supply_register(dev, desc, &cfg);
-	if (IS_ERR(info->charger)) {
-		dev_err(dev, "Unable to register charger\n");
-		return PTR_ERR(info->charger);
-	}
-
 	platform_set_drvdata(pdev, info);
 
 	/* Perform initial detection */
-- 
2.30.2

[PATCH AUTOSEL 5.12 023/104] w1: ds2438: fixing bug that would always get page0

[Sasha Levin]

From: Luiz Sampaio <sampaio.ime@gmail.com>

[ Upstream commit 1f5e7518f063728aee0679c5086b92d8ea429e11 ]

The purpose of the w1_ds2438_get_page function is to get the register
values at the page passed as the pageno parameter. However, the page0 was
hardcoded, such that the function always returned the page0 contents. Fixed
so that the function can retrieve any page.

Signed-off-by: Luiz Sampaio <sampaio.ime@gmail.com>
Link: https://lore.kernel.org/r/20210519223046.13798-5-sampaio.ime@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/w1/slaves/w1_ds2438.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/w1/slaves/w1_ds2438.c b/drivers/w1/slaves/w1_ds2438.c
index 5cfb0ae23e91..5698566b0ee0 100644
--- a/drivers/w1/slaves/w1_ds2438.c
+++ b/drivers/w1/slaves/w1_ds2438.c
@@ -62,13 +62,13 @@ static int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf)
 		if (w1_reset_select_slave(sl))
 			continue;
 		w1_buf[0] = W1_DS2438_RECALL_MEMORY;
-		w1_buf[1] = 0x00;
+		w1_buf[1] = (u8)pageno;
 		w1_write_block(sl->master, w1_buf, 2);
 
 		if (w1_reset_select_slave(sl))
 			continue;
 		w1_buf[0] = W1_DS2438_READ_SCRATCH;
-		w1_buf[1] = 0x00;
+		w1_buf[1] = (u8)pageno;
 		w1_write_block(sl->master, w1_buf, 2);
 
 		count = w1_read_block(sl->master, buf, DS2438_PAGE_SIZE + 1);
-- 
2.30.2

[PATCH AUTOSEL 5.12 024/104] ASoC: Intel: sof_sdw: add quirk support for Brya and BT-offload

[Sasha Levin]

From: Vamshi Krishna Gopal <vamshi.krishna.gopal@intel.com>

[ Upstream commit 03effde3a2ea1d82c4dd6b634fc6174545d2c34f ]

Brya is another ADL-P product.

AlderLake has support for Bluetooth audio offload capability.
Enable the BT-offload quirk for ADL-P Brya and the Intel RVP.

Signed-off-by: Vamshi Krishna Gopal <vamshi.krishna.gopal@intel.com>
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210521155632.3736393-2-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/intel/boards/sof_sdw.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 5827a16773c9..2ba3eefb9c8d 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -197,7 +197,21 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
 		.driver_data = (void *)(SOF_RT711_JD_SRC_JD1 |
 					SOF_SDW_TGL_HDMI |
 					SOF_RT715_DAI_ID_FIX |
-					SOF_SDW_PCH_DMIC),
+					SOF_SDW_PCH_DMIC |
+					SOF_BT_OFFLOAD_SSP(2) |
+					SOF_SSP_BT_OFFLOAD_PRESENT),
+	},
+	{
+		.callback = sof_sdw_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Brya"),
+		},
+		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
+					SOF_SDW_PCH_DMIC |
+					SOF_SDW_FOUR_SPK |
+					SOF_BT_OFFLOAD_SSP(2) |
+					SOF_SSP_BT_OFFLOAD_PRESENT),
 	},
 	{}
 };
-- 
2.30.2

[PATCH AUTOSEL 5.12 025/104] scsi: arcmsr: Fix doorbell status being updated late on ARC-1886

[Sasha Levin]

From: ching Huang <ching2048@areca.com.tw>

[ Upstream commit d9a231226f28261a787535e08d0c78669e1ad010 ]

It is possible for the IOP to be delayed in updating the doorbell
status. The doorbell status should not be 0 so loop until the value
changes.

Link: https://lore.kernel.org/r/afdfdf7eabecf14632492c4987a6b9ac6312a7ad.camel@areca.com.tw
Signed-off-by: ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/arcmsr/arcmsr_hba.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 930972cda38c..42e494a7106c 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2419,10 +2419,17 @@ static void arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB)
 
 static void arcmsr_hbaE_doorbell_isr(struct AdapterControlBlock *pACB)
 {
-	uint32_t outbound_doorbell, in_doorbell, tmp;
+	uint32_t outbound_doorbell, in_doorbell, tmp, i;
 	struct MessageUnit_E __iomem *reg = pACB->pmuE;
 
-	in_doorbell = readl(&reg->iobound_doorbell);
+	if (pACB->adapter_type == ACB_ADAPTER_TYPE_F) {
+		for (i = 0; i < 5; i++) {
+			in_doorbell = readl(&reg->iobound_doorbell);
+			if (in_doorbell != 0)
+				break;
+		}
+	} else
+		in_doorbell = readl(&reg->iobound_doorbell);
 	outbound_doorbell = in_doorbell ^ pACB->in_doorbell;
 	do {
 		writel(0, &reg->host_int_status); /* clear interrupt */
-- 
2.30.2

[PATCH AUTOSEL 5.12 026/104] scsi: hisi_sas: Propagate errors in interrupt_init_v1_hw()

[Sasha Levin]

From: Sergey Shtylyov <s.shtylyov@omp.ru>

[ Upstream commit ab17122e758ef68fb21033e25c041144067975f5 ]

After commit 6c11dc060427 ("scsi: hisi_sas: Fix IRQ checks") we have the
error codes returned by platform_get_irq() ready for the propagation
upsream in interrupt_init_v1_hw() -- that will fix still broken deferred
probing. Let's propagate the error codes from devm_request_irq() as well
since I don't see the reason to override them with -ENOENT...

Link: https://lore.kernel.org/r/49ba93a3-d427-7542-d85a-b74fe1a33a73@omp.ru
Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 3e359ac752fd..3cba7bfba296 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -1649,7 +1649,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 			if (irq < 0) {
 				dev_err(dev, "irq init: fail map phy interrupt %d\n",
 					idx);
-				return -ENOENT;
+				return irq;
 			}
 
 			rc = devm_request_irq(dev, irq, phy_interrupts[j], 0,
@@ -1657,7 +1657,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 			if (rc) {
 				dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
 					irq, rc);
-				return -ENOENT;
+				return rc;
 			}
 		}
 	}
@@ -1668,7 +1668,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 		if (irq < 0) {
 			dev_err(dev, "irq init: could not map cq interrupt %d\n",
 				idx);
-			return -ENOENT;
+			return irq;
 		}
 
 		rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0,
@@ -1676,7 +1676,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 		if (rc) {
 			dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
 				irq, rc);
-			return -ENOENT;
+			return rc;
 		}
 	}
 
@@ -1686,7 +1686,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 		if (irq < 0) {
 			dev_err(dev, "irq init: could not map fatal interrupt %d\n",
 				idx);
-			return -ENOENT;
+			return irq;
 		}
 
 		rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
@@ -1694,7 +1694,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 		if (rc) {
 			dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
 				irq, rc);
-			return -ENOENT;
+			return rc;
 		}
 	}
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 027/104] scsi: lpfc: Fix "Unexpected timeout" error in direct attach topology

[Sasha Levin]

From: James Smart <jsmart2021@gmail.com>

[ Upstream commit e30d55137edef47434c40d7570276a0846fe922c ]

An 'unexpected timeout' message may be seen in a point-2-point topology.
The message occurs when a PLOGI is received before the driver is notified
of FLOGI completion. The FLOGI completion failure causes discovery to be
triggered for a second time. The discovery timer is restarted but no new
discovery activity is initiated, thus the timeout message eventually
appears.

In point-2-point, when discovery has progressed before the FLOGI completion
is processed, it is not a failure. Add code to FLOGI completion to detect
that discovery has progressed and exit the FLOGI handling (noop'ing it).

Link: https://lore.kernel.org/r/20210514195559.119853-4-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/lpfc/lpfc_els.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 3dd22da3153f..3e101c9272b4 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1175,6 +1175,15 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			phba->fcf.fcf_redisc_attempted = 0; /* reset */
 			goto out;
 		}
+	} else if (vport->port_state > LPFC_FLOGI &&
+		   vport->fc_flag & FC_PT2PT) {
+		/*
+		 * In a p2p topology, it is possible that discovery has
+		 * already progressed, and this completion can be ignored.
+		 * Recheck the indicated topology.
+		 */
+		if (!sp->cmn.fPort)
+			goto out;
 	}
 
 flogifail:
-- 
2.30.2

[PATCH AUTOSEL 5.12 028/104] scsi: lpfc: Fix crash when lpfc_sli4_hba_setup() fails to initialize the SGLs

[Sasha Levin]

From: James Smart <jsmart2021@gmail.com>

[ Upstream commit 5aa615d195f1e142c662cb2253f057c9baec7531 ]

The driver is encountering a crash in lpfc_free_iocb_list() while
performing initial attachment.

Code review found this to be an errant failure path that was taken, jumping
to a tag that then referenced structures that were uninitialized.

Fix the failure path.

Link: https://lore.kernel.org/r/20210514195559.119853-9-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/lpfc/lpfc_sli.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index f8a5a4eb5bce..5b43396815fa 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -7962,7 +7962,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 				"0393 Error %d during rpi post operation\n",
 				rc);
 		rc = -ENODEV;
-		goto out_destroy_queue;
+		goto out_free_iocblist;
 	}
 	lpfc_sli4_node_prep(phba);
 
@@ -8128,8 +8128,9 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 out_unset_queue:
 	/* Unset all the queues set up in this routine when error out */
 	lpfc_sli4_queue_unset(phba);
-out_destroy_queue:
+out_free_iocblist:
 	lpfc_free_iocb_list(phba);
+out_destroy_queue:
 	lpfc_sli4_queue_destroy(phba);
 out_stop_timers:
 	lpfc_stop_hba_timers(phba);
-- 
2.30.2

[PATCH AUTOSEL 5.12 029/104] scsi: core: Cap scsi_host cmd_per_lun at can_queue

[Sasha Levin]

From: John Garry <john.garry@huawei.com>

[ Upstream commit ea2f0f77538c50739b9fb4de4700cee5535e1f77 ]

The sysfs handling function sdev_store_queue_depth() enforces that the sdev
queue depth cannot exceed shost can_queue. The initial sdev queue depth
comes from shost cmd_per_lun. However, the LLDD may manually set
cmd_per_lun to be larger than can_queue, which leads to an initial sdev
queue depth greater than can_queue.

Such an issue was reported in [0], which caused a hang. That has since been
fixed in commit fc09acb7de31 ("scsi: scsi_debug: Fix cmd_per_lun, set to
max_queue").

Stop this possibly happening for other drivers by capping shost cmd_per_lun
at shost can_queue.

[0] https://lore.kernel.org/linux-scsi/YHaez6iN2HHYxYOh@T590/

Link: https://lore.kernel.org/r/1621434662-173079-1-git-send-email-john.garry@huawei.com
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/hosts.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index b93dd8ef4ac8..ce34da53af1b 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -220,6 +220,9 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
 		goto fail;
 	}
 
+	shost->cmd_per_lun = min_t(short, shost->cmd_per_lun,
+				   shost->can_queue);
+
 	error = scsi_init_sense_cache(shost);
 	if (error)
 		goto fail;
-- 
2.30.2

[PATCH AUTOSEL 5.12 030/104] ALSA: ac97: fix PM reference leak in ac97_bus_remove()

[Sasha Levin]

From: Yufen Yu <yuyufen@huawei.com>

[ Upstream commit a38e93302ee25b2ca6f4ee76c6c974cf3637985e ]

pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Link: https://lore.kernel.org/r/20210524093811.612302-1-yuyufen@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/ac97/bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c
index d9077e91382b..6ddf646cda65 100644
--- a/sound/ac97/bus.c
+++ b/sound/ac97/bus.c
@@ -520,7 +520,7 @@ static int ac97_bus_remove(struct device *dev)
 	struct ac97_codec_driver *adrv = to_ac97_driver(dev->driver);
 	int ret;
 
-	ret = pm_runtime_get_sync(dev);
+	ret = pm_runtime_resume_and_get(dev);
 	if (ret < 0)
 		return ret;
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 031/104] tty: serial: 8250: serial_cs: Fix a memory leak in error handling path

[Sasha Levin]

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit fad92b11047a748c996ebd6cfb164a63814eeb2e ]

In the probe function, if the final 'serial_config()' fails, 'info' is
leaking.

Add a resource handling path to free this memory.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/dc25f96b7faebf42e60fe8d02963c941cf4d8124.1621971720.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/8250/serial_cs.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c
index 35ff6627c61b..2cd2acc09cc4 100644
--- a/drivers/tty/serial/8250/serial_cs.c
+++ b/drivers/tty/serial/8250/serial_cs.c
@@ -306,6 +306,7 @@ static int serial_resume(struct pcmcia_device *link)
 static int serial_probe(struct pcmcia_device *link)
 {
 	struct serial_info *info;
+	int ret;
 
 	dev_dbg(&link->dev, "serial_attach()\n");
 
@@ -320,7 +321,15 @@ static int serial_probe(struct pcmcia_device *link)
 	if (do_sound)
 		link->config_flags |= CONF_ENABLE_SPKR;
 
-	return serial_config(link);
+	ret = serial_config(link);
+	if (ret)
+		goto free_info;
+
+	return 0;
+
+free_info:
+	kfree(info);
+	return ret;
 }
 
 static void serial_detach(struct pcmcia_device *link)
-- 
2.30.2

[PATCH AUTOSEL 5.12 032/104] scsi: mpt3sas: Fix deadlock while cancelling the running firmware event

[Sasha Levin]

From: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>

[ Upstream commit e2fac6c44ae06e58ac02181b048af31195883c31 ]

Do not cancel current running firmware event work if the event type is
different from MPT3SAS_REMOVE_UNRESPONDING_DEVICES.  Otherwise a deadlock
can be observed while cancelling the current firmware event work if a hard
reset operation is called as part of processing the current event.

Link: https://lore.kernel.org/r/20210518051625.1596742-2-suganath-prabu.subramani@broadcom.com
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/mpt3sas/mpt3sas_scsih.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index ae1973878cc7..d68a3a42c3fb 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -3696,6 +3696,28 @@ _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
 	ioc->fw_events_cleanup = 1;
 	while ((fw_event = dequeue_next_fw_event(ioc)) ||
 	     (fw_event = ioc->current_event)) {
+
+		/*
+		 * Don't call cancel_work_sync() for current_event
+		 * other than MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
+		 * otherwise we may observe deadlock if current
+		 * hard reset issued as part of processing the current_event.
+		 *
+		 * Orginal logic of cleaning the current_event is added
+		 * for handling the back to back host reset issued by the user.
+		 * i.e. during back to back host reset, driver use to process
+		 * the two instances of MPT3SAS_REMOVE_UNRESPONDING_DEVICES
+		 * event back to back and this made the drives to unregister
+		 * the devices from SML.
+		 */
+
+		if (fw_event == ioc->current_event &&
+		    ioc->current_event->event !=
+		    MPT3SAS_REMOVE_UNRESPONDING_DEVICES) {
+			ioc->current_event = NULL;
+			continue;
+		}
+
 		/*
 		 * Wait on the fw_event to complete. If this returns 1, then
 		 * the event was never executed, and we need a put for the
-- 
2.30.2

[PATCH AUTOSEL 5.12 033/104] scsi: core: Fixup calling convention for scsi_mode_sense()

[Sasha Levin]

From: Hannes Reinecke <hare@suse.de>

[ Upstream commit 8793613de913e03e7c884f4cc56e350bc716431e ]

The description for scsi_mode_sense() claims to return the number of valid
bytes on success, which is not what the code does.  Additionally there is
no gain in returning the SCSI status, as everything the callers do is to
check against scsi_result_is_good(), which is what scsi_mode_sense() does
already.  So change the calling convention to return a standard error code
on failure, and 0 on success, and adapt the description and all callers.

Link: https://lore.kernel.org/r/20210427083046.31620-4-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/scsi_lib.c           | 10 ++++++----
 drivers/scsi/scsi_transport_sas.c |  9 ++++-----
 drivers/scsi/sd.c                 | 12 ++++++------
 drivers/scsi/sr.c                 |  2 +-
 4 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7d52a11e1b61..333342a08b5d 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2080,9 +2080,7 @@ EXPORT_SYMBOL_GPL(scsi_mode_select);
  *	@sshdr: place to put sense data (or NULL if no sense to be collected).
  *		must be SCSI_SENSE_BUFFERSIZE big.
  *
- *	Returns zero if unsuccessful, or the header offset (either 4
- *	or 8 depending on whether a six or ten byte command was
- *	issued) if successful.
+ *	Returns zero if successful, or a negative error number on failure
  */
 int
 scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
@@ -2129,6 +2127,8 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
 
 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,
 				  sshdr, timeout, retries, NULL);
+	if (result < 0)
+		return result;
 
 	/* This code looks awful: what it's doing is making sure an
 	 * ILLEGAL REQUEST sense return identifies the actual command
@@ -2173,13 +2173,15 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
 			data->block_descriptor_length = buffer[3];
 		}
 		data->header_length = header_length;
+		result = 0;
 	} else if ((status_byte(result) == CHECK_CONDITION) &&
 		   scsi_sense_valid(sshdr) &&
 		   sshdr->sense_key == UNIT_ATTENTION && retry_count) {
 		retry_count--;
 		goto retry;
 	}
-
+	if (result > 0)
+		result = -EIO;
 	return result;
 }
 EXPORT_SYMBOL(scsi_mode_sense);
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index c9abed8429c9..4a96fb05731d 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -1229,16 +1229,15 @@ int sas_read_port_mode_page(struct scsi_device *sdev)
 	char *buffer = kzalloc(BUF_SIZE, GFP_KERNEL), *msdata;
 	struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);
 	struct scsi_mode_data mode_data;
-	int res, error;
+	int error;
 
 	if (!buffer)
 		return -ENOMEM;
 
-	res = scsi_mode_sense(sdev, 1, 0x19, buffer, BUF_SIZE, 30*HZ, 3,
-			      &mode_data, NULL);
+	error = scsi_mode_sense(sdev, 1, 0x19, buffer, BUF_SIZE, 30*HZ, 3,
+				&mode_data, NULL);
 
-	error = -EINVAL;
-	if (!scsi_status_is_good(res))
+	if (error)
 		goto out;
 
 	msdata = buffer +  mode_data.header_length +
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a0356f3707b8..3431ac12b730 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2683,18 +2683,18 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer)
 		 * 5: Illegal Request, Sense Code 24: Invalid field in
 		 * CDB.
 		 */
-		if (!scsi_status_is_good(res))
+		if (res < 0)
 			res = sd_do_mode_sense(sdkp, 0, 0, buffer, 4, &data, NULL);
 
 		/*
 		 * Third attempt: ask 255 bytes, as we did earlier.
 		 */
-		if (!scsi_status_is_good(res))
+		if (res < 0)
 			res = sd_do_mode_sense(sdkp, 0, 0x3F, buffer, 255,
 					       &data, NULL);
 	}
 
-	if (!scsi_status_is_good(res)) {
+	if (res < 0) {
 		sd_first_printk(KERN_WARNING, sdkp,
 			  "Test WP failed, assume Write Enabled\n");
 	} else {
@@ -2755,7 +2755,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
 	res = sd_do_mode_sense(sdkp, dbd, modepage, buffer, first_len,
 			&data, &sshdr);
 
-	if (!scsi_status_is_good(res))
+	if (res < 0)
 		goto bad_sense;
 
 	if (!data.header_length) {
@@ -2787,7 +2787,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
 		res = sd_do_mode_sense(sdkp, dbd, modepage, buffer, len,
 				&data, &sshdr);
 
-	if (scsi_status_is_good(res)) {
+	if (!res) {
 		int offset = data.header_length + data.block_descriptor_length;
 
 		while (offset < len) {
@@ -2905,7 +2905,7 @@ static void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer)
 	res = scsi_mode_sense(sdp, 1, 0x0a, buffer, 36, SD_TIMEOUT,
 			      sdkp->max_retries, &data, &sshdr);
 
-	if (!scsi_status_is_good(res) || !data.header_length ||
+	if (res < 0 || !data.header_length ||
 	    data.length < 6) {
 		sd_first_printk(KERN_WARNING, sdkp,
 			  "getting Control mode page failed, assume no ATO\n");
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 7815ed642d43..1a94c7b1de2d 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -913,7 +913,7 @@ static void get_capabilities(struct scsi_cd *cd)
 	rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, ms_len,
 			     SR_TIMEOUT, 3, &data, NULL);
 
-	if (!scsi_status_is_good(rc) || data.length > ms_len ||
+	if (rc < 0 || data.length > ms_len ||
 	    data.header_length + data.block_descriptor_length > data.length) {
 		/* failed, drive doesn't have capabilities mode page */
 		cd->cdi.speed = 1;
-- 
2.30.2

[PATCH AUTOSEL 5.12 034/104] scsi: scsi_dh_alua: Check for negative result value

[Sasha Levin]

From: Hannes Reinecke <hare@suse.de>

[ Upstream commit 7e26e3ea028740f934477ec01ba586ab033c35aa ]

scsi_execute() will now return a negative error if there was an error prior
to command submission; evaluate that instead if checking for DRIVER_ERROR.

[mkp: build fix]

Link: https://lore.kernel.org/r/20210427083046.31620-6-hare@suse.de
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/device_handler/scsi_dh_alua.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 5eff3368143d..c625607a4dfb 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -556,12 +556,12 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
 			kfree(buff);
 			return SCSI_DH_OK;
 		}
-		if (!scsi_sense_valid(&sense_hdr)) {
+		if (retval < 0 || !scsi_sense_valid(&sense_hdr)) {
 			sdev_printk(KERN_INFO, sdev,
 				    "%s: rtpg failed, result %d\n",
 				    ALUA_DH_NAME, retval);
 			kfree(buff);
-			if (driver_byte(retval) == DRIVER_ERROR)
+			if (retval < 0)
 				return SCSI_DH_DEV_TEMP_BUSY;
 			return SCSI_DH_IO;
 		}
@@ -783,11 +783,11 @@ static unsigned alua_stpg(struct scsi_device *sdev, struct alua_port_group *pg)
 	retval = submit_stpg(sdev, pg->group_id, &sense_hdr);
 
 	if (retval) {
-		if (!scsi_sense_valid(&sense_hdr)) {
+		if (retval < 0 || !scsi_sense_valid(&sense_hdr)) {
 			sdev_printk(KERN_INFO, sdev,
 				    "%s: stpg failed, result %d",
 				    ALUA_DH_NAME, retval);
-			if (driver_byte(retval) == DRIVER_ERROR)
+			if (retval < 0)
 				return SCSI_DH_DEV_TEMP_BUSY;
 		} else {
 			sdev_printk(KERN_INFO, sdev, "%s: stpg failed\n",
-- 
2.30.2

[PATCH AUTOSEL 5.12 035/104] fs/jfs: Fix missing error code in lmLogInit()

[Sasha Levin]

From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

[ Upstream commit 492109333c29e1bb16d8732e1d597b02e8e0bf2e ]

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'rc.

Eliminate the follow smatch warning:

fs/jfs/jfs_logmgr.c:1327 lmLogInit() warn: missing error code 'rc'.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/jfs/jfs_logmgr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 9330eff210e0..78fd136ac13b 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1324,6 +1324,7 @@ int lmLogInit(struct jfs_log * log)
 		} else {
 			if (!uuid_equal(&logsuper->uuid, &log->uuid)) {
 				jfs_warn("wrong uuid on JFS log device");
+				rc = -EINVAL;
 				goto errout20;
 			}
 			log->size = le32_to_cpu(logsuper->size);
-- 
2.30.2

[PATCH AUTOSEL 5.12 036/104] scsi: megaraid_sas: Fix resource leak in case of probe failure

[Sasha Levin]

From: Chandrakanth Patil <chandrakanth.patil@broadcom.com>

[ Upstream commit b5438f48fdd8e1c3f130d32637511efd32038152 ]

The driver doesn't clean up all the allocated resources properly when
scsi_add_host(), megasas_start_aen() function fails during the PCI device
probe.

Clean up all those resources.

Link: https://lore.kernel.org/r/20210528131307.25683-3-chandrakanth.patil@broadcom.com
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/megaraid/megaraid_sas_base.c   | 13 +++++++++++++
 drivers/scsi/megaraid/megaraid_sas_fusion.c |  1 +
 2 files changed, 14 insertions(+)

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 63a4f48bdc75..7ab741f03b84 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -7478,11 +7478,16 @@ static int megasas_probe_one(struct pci_dev *pdev,
 	return 0;
 
 fail_start_aen:
+	instance->unload = 1;
+	scsi_remove_host(instance->host);
 fail_io_attach:
 	megasas_mgmt_info.count--;
 	megasas_mgmt_info.max_index--;
 	megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
 
+	if (instance->requestorId && !instance->skip_heartbeat_timer_del)
+		del_timer_sync(&instance->sriov_heartbeat_timer);
+
 	instance->instancet->disable_intr(instance);
 	megasas_destroy_irqs(instance);
 
@@ -7490,8 +7495,16 @@ static int megasas_probe_one(struct pci_dev *pdev,
 		megasas_release_fusion(instance);
 	else
 		megasas_release_mfi(instance);
+
 	if (instance->msix_vectors)
 		pci_free_irq_vectors(instance->pdev);
+	instance->msix_vectors = 0;
+
+	if (instance->fw_crash_state != UNAVAILABLE)
+		megasas_free_host_crash_buffer(instance);
+
+	if (instance->adapter_type != MFI_SERIES)
+		megasas_fusion_stop_watchdog(instance);
 fail_init_mfi:
 	scsi_host_put(host);
 fail_alloc_instance:
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 38fc9467c625..f83bfc459fa1 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -5195,6 +5195,7 @@ megasas_alloc_fusion_context(struct megasas_instance *instance)
 		if (!fusion->log_to_span) {
 			dev_err(&instance->pdev->dev, "Failed from %s %d\n",
 				__func__, __LINE__);
+			kfree(instance->ctrl_context);
 			return -ENOMEM;
 		}
 	}
-- 
2.30.2

[PATCH AUTOSEL 5.12 037/104] scsi: megaraid_sas: Early detection of VD deletion through RaidMap update

[Sasha Levin]

From: Kashyap Desai <kashyap.desai@broadcom.com>

[ Upstream commit ae6874ba4b43c5a00065f48599811a09d33b873d ]

Consider the case where a VD is deleted and the targetID of that VD is
assigned to a newly created VD. If the sequence of deletion/addition of VD
happens very quickly there is a possibility that second event (VD add)
occurs even before the driver processes the first event (VD delete).  As
event processing is done in deferred context the device list remains the
same (but targetID is re-used) so driver will not learn the VD
deletion/additon. I/Os meant for the older VD will be directed to new VD
which may lead to data corruption.

Make driver detect the deleted VD as soon as possible based on the RaidMap
update and block further I/O to that device.

Link: https://lore.kernel.org/r/20210528131307.25683-4-chandrakanth.patil@broadcom.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/megaraid/megaraid_sas.h      | 12 ++++
 drivers/scsi/megaraid/megaraid_sas_base.c | 83 ++++++++++++++++++++---
 drivers/scsi/megaraid/megaraid_sas_fp.c   |  6 +-
 3 files changed, 92 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 0f808d63580e..69fed9318468 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -2259,6 +2259,15 @@ enum MR_PERF_MODE {
 		 (mode) == MR_LATENCY_PERF_MODE ? "Latency" : \
 		 "Unknown")
 
+enum MEGASAS_LD_TARGET_ID_STATUS {
+	LD_TARGET_ID_INITIAL,
+	LD_TARGET_ID_ACTIVE,
+	LD_TARGET_ID_DELETED,
+};
+
+#define MEGASAS_TARGET_ID(sdev)						\
+	(((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id)
+
 struct megasas_instance {
 
 	unsigned int *reply_map;
@@ -2323,6 +2332,9 @@ struct megasas_instance {
 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
 	struct megasas_pd_list          local_pd_list[MEGASAS_MAX_PD];
 	u8 ld_ids[MEGASAS_MAX_LD_IDS];
+	u8 ld_tgtid_status[MEGASAS_MAX_LD_IDS];
+	u8 ld_ids_prev[MEGASAS_MAX_LD_IDS];
+	u8 ld_ids_from_raidmap[MEGASAS_MAX_LD_IDS];
 	s8 init_id;
 
 	u16 max_num_sge;
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 7ab741f03b84..c9c8a5e4925c 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -132,6 +132,8 @@ static int megasas_register_aen(struct megasas_instance *instance,
 				u32 seq_num, u32 class_locale_word);
 static void megasas_get_pd_info(struct megasas_instance *instance,
 				struct scsi_device *sdev);
+static void
+megasas_set_ld_removed_by_fw(struct megasas_instance *instance);
 
 /*
  * PCI ID table for all supported controllers
@@ -426,6 +428,12 @@ megasas_decode_evt(struct megasas_instance *instance)
 			(class_locale.members.locale),
 			format_class(class_locale.members.class),
 			evt_detail->description);
+
+	if (megasas_dbg_lvl & LD_PD_DEBUG)
+		dev_info(&instance->pdev->dev,
+			 "evt_detail.args.ld.target_id/index %d/%d\n",
+			 evt_detail->args.ld.target_id, evt_detail->args.ld.ld_index);
+
 }
 
 /*
@@ -1769,6 +1777,7 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
 {
 	struct megasas_instance *instance;
 	struct MR_PRIV_DEVICE *mr_device_priv_data;
+	u32 ld_tgt_id;
 
 	instance = (struct megasas_instance *)
 	    scmd->device->host->hostdata;
@@ -1795,17 +1804,21 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
 		}
 	}
 
-	if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
+	mr_device_priv_data = scmd->device->hostdata;
+	if (!mr_device_priv_data ||
+	    (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)) {
 		scmd->result = DID_NO_CONNECT << 16;
 		scmd->scsi_done(scmd);
 		return 0;
 	}
 
-	mr_device_priv_data = scmd->device->hostdata;
-	if (!mr_device_priv_data) {
-		scmd->result = DID_NO_CONNECT << 16;
-		scmd->scsi_done(scmd);
-		return 0;
+	if (MEGASAS_IS_LOGICAL(scmd->device)) {
+		ld_tgt_id = MEGASAS_TARGET_ID(scmd->device);
+		if (instance->ld_tgtid_status[ld_tgt_id] == LD_TARGET_ID_DELETED) {
+			scmd->result = DID_NO_CONNECT << 16;
+			scmd->scsi_done(scmd);
+			return 0;
+		}
 	}
 
 	if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL)
@@ -2085,7 +2098,7 @@ static int megasas_slave_configure(struct scsi_device *sdev)
 
 static int megasas_slave_alloc(struct scsi_device *sdev)
 {
-	u16 pd_index = 0;
+	u16 pd_index = 0, ld_tgt_id;
 	struct megasas_instance *instance ;
 	struct MR_PRIV_DEVICE *mr_device_priv_data;
 
@@ -2110,6 +2123,14 @@ static int megasas_slave_alloc(struct scsi_device *sdev)
 					GFP_KERNEL);
 	if (!mr_device_priv_data)
 		return -ENOMEM;
+
+	if (MEGASAS_IS_LOGICAL(sdev)) {
+		ld_tgt_id = MEGASAS_TARGET_ID(sdev);
+		instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_ACTIVE;
+		if (megasas_dbg_lvl & LD_PD_DEBUG)
+			sdev_printk(KERN_INFO, sdev, "LD target ID %d created.\n", ld_tgt_id);
+	}
+
 	sdev->hostdata = mr_device_priv_data;
 
 	atomic_set(&mr_device_priv_data->r1_ldio_hint,
@@ -2119,6 +2140,19 @@ static int megasas_slave_alloc(struct scsi_device *sdev)
 
 static void megasas_slave_destroy(struct scsi_device *sdev)
 {
+	u16 ld_tgt_id;
+	struct megasas_instance *instance;
+
+	instance = megasas_lookup_instance(sdev->host->host_no);
+
+	if (MEGASAS_IS_LOGICAL(sdev)) {
+		ld_tgt_id = MEGASAS_TARGET_ID(sdev);
+		instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_DELETED;
+		if (megasas_dbg_lvl & LD_PD_DEBUG)
+			sdev_printk(KERN_INFO, sdev,
+				    "LD target ID %d removed from OS stack\n", ld_tgt_id);
+	}
+
 	kfree(sdev->hostdata);
 	sdev->hostdata = NULL;
 }
@@ -3491,6 +3525,22 @@ megasas_complete_abort(struct megasas_instance *instance,
 	}
 }
 
+static void
+megasas_set_ld_removed_by_fw(struct megasas_instance *instance)
+{
+	uint i;
+
+	for (i = 0; (i < MEGASAS_MAX_LD_IDS); i++) {
+		if (instance->ld_ids_prev[i] != 0xff &&
+		    instance->ld_ids_from_raidmap[i] == 0xff) {
+			if (megasas_dbg_lvl & LD_PD_DEBUG)
+				dev_info(&instance->pdev->dev,
+					 "LD target ID %d removed from RAID map\n", i);
+			instance->ld_tgtid_status[i] = LD_TARGET_ID_DELETED;
+		}
+	}
+}
+
 /**
  * megasas_complete_cmd -	Completes a command
  * @instance:			Adapter soft state
@@ -3653,9 +3703,13 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
 				fusion->fast_path_io = 0;
 			}
 
+			if (instance->adapter_type >= INVADER_SERIES)
+				megasas_set_ld_removed_by_fw(instance);
+
 			megasas_sync_map_info(instance);
 			spin_unlock_irqrestore(instance->host->host_lock,
 					       flags);
+
 			break;
 		}
 		if (opcode == MR_DCMD_CTRL_EVENT_GET_INFO ||
@@ -8764,8 +8818,10 @@ megasas_aen_polling(struct work_struct *work)
 	union megasas_evt_class_locale class_locale;
 	int event_type = 0;
 	u32 seq_num;
+	u16 ld_target_id;
 	int error;
 	u8  dcmd_ret = DCMD_SUCCESS;
+	struct scsi_device *sdev1;
 
 	if (!instance) {
 		printk(KERN_ERR "invalid instance!\n");
@@ -8788,12 +8844,23 @@ megasas_aen_polling(struct work_struct *work)
 			break;
 
 		case MR_EVT_LD_OFFLINE:
-		case MR_EVT_CFG_CLEARED:
 		case MR_EVT_LD_DELETED:
+			ld_target_id = instance->evt_detail->args.ld.target_id;
+			sdev1 = scsi_device_lookup(instance->host,
+						   MEGASAS_MAX_PD_CHANNELS +
+						   (ld_target_id / MEGASAS_MAX_DEV_PER_CHANNEL),
+						   (ld_target_id - MEGASAS_MAX_DEV_PER_CHANNEL),
+						   0);
+			if (sdev1)
+				megasas_remove_scsi_device(sdev1);
+
+			event_type = SCAN_VD_CHANNEL;
+			break;
 		case MR_EVT_LD_CREATED:
 			event_type = SCAN_VD_CHANNEL;
 			break;
 
+		case MR_EVT_CFG_CLEARED:
 		case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED:
 		case MR_EVT_FOREIGN_CFG_IMPORTED:
 		case MR_EVT_LD_STATE_CHANGE:
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index b6c08d620033..83f69c33b01a 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -349,6 +349,10 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)
 
 	num_lds = le16_to_cpu(drv_map->raidMap.ldCount);
 
+	memcpy(instance->ld_ids_prev,
+	       instance->ld_ids_from_raidmap,
+	       sizeof(instance->ld_ids_from_raidmap));
+	memset(instance->ld_ids_from_raidmap, 0xff, MEGASAS_MAX_LD_IDS);
 	/*Convert Raid capability values to CPU arch */
 	for (i = 0; (num_lds > 0) && (i < MAX_LOGICAL_DRIVES_EXT); i++) {
 		ld = MR_TargetIdToLdGet(i, drv_map);
@@ -359,7 +363,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)
 
 		raid = MR_LdRaidGet(ld, drv_map);
 		le32_to_cpus((u32 *)&raid->capability);
-
+		instance->ld_ids_from_raidmap[i] = i;
 		num_lds--;
 	}
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 038/104] scsi: megaraid_sas: Handle missing interrupts while re-enabling IRQs

[Sasha Levin]

From: Chandrakanth Patil <chandrakanth.patil@broadcom.com>

[ Upstream commit 9bedd36e9146b34dda4d6994e3aa1d72bc6442c1 ]

While reenabling the IRQ after IRQ poll there may be a small window for the
firmware to post the replies with interrupts raised. In that case the
driver will not see the interrupts which leads to I/O timeout.

This issue only happens when there are many I/O completions on a single
reply queue. This forces the driver to switch between the interrupt and IRQ
context.

Make the driver process the reply queue one more time after enabling the
IRQ.

Link: https://lore.kernel.org/linux-scsi/20201102072746.27410-1-sreekanth.reddy@broadcom.com/
Link: https://lore.kernel.org/r/20210528131307.25683-5-chandrakanth.patil@broadcom.com
Cc: Tomas Henzl <thenzl@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/megaraid/megaraid_sas_fusion.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index f83bfc459fa1..c7b3aad79599 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -3670,6 +3670,7 @@ static void megasas_sync_irqs(unsigned long instance_addr)
 		if (irq_ctx->irq_poll_scheduled) {
 			irq_ctx->irq_poll_scheduled = false;
 			enable_irq(irq_ctx->os_irq);
+			complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx);
 		}
 	}
 }
@@ -3701,6 +3702,7 @@ int megasas_irqpoll(struct irq_poll *irqpoll, int budget)
 		irq_poll_complete(irqpoll);
 		irq_ctx->irq_poll_scheduled = false;
 		enable_irq(irq_ctx->os_irq);
+		complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx);
 	}
 
 	return num_entries;
@@ -3717,6 +3719,7 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
 {
 	struct megasas_instance *instance =
 		(struct megasas_instance *)instance_addr;
+	struct megasas_irq_context *irq_ctx = NULL;
 	u32 count, MSIxIndex;
 
 	count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
@@ -3725,8 +3728,10 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
 	if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)
 		return;
 
-	for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++)
-		complete_cmd_fusion(instance, MSIxIndex, NULL);
+	for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) {
+		irq_ctx = &instance->irq_context[MSIxIndex];
+		complete_cmd_fusion(instance, MSIxIndex, irq_ctx);
+	}
 }
 
 /**
-- 
2.30.2

[PATCH AUTOSEL 5.12 039/104] scsi: iscsi: Stop queueing during ep_disconnect

[Sasha Levin]

From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit 891e2639deae721dc43764a44fa255890dc34313 ]

During ep_disconnect we have been doing iscsi_suspend_tx/queue to block new
I/O but every driver except cxgbi and iscsi_tcp can still get I/O from
__iscsi_conn_send_pdu() if we haven't called iscsi_conn_failure() before
ep_disconnect. This could happen if we were terminating the session, and
the logout timed out before it was even sent to libiscsi.

Fix the issue by adding a helper which reverses the bind_conn call that
allows new I/O to be queued. Drivers implementing ep_disconnect can use this
to make sure new I/O is not queued to them when handling the disconnect.

Link: https://lore.kernel.org/r/20210525181821.7617-3-michael.christie@oracle.com
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/ulp/iser/iscsi_iser.c |  1 +
 drivers/scsi/be2iscsi/be_main.c          |  1 +
 drivers/scsi/bnx2i/bnx2i_iscsi.c         |  1 +
 drivers/scsi/cxgbi/cxgb3i/cxgb3i.c       |  1 +
 drivers/scsi/cxgbi/cxgb4i/cxgb4i.c       |  1 +
 drivers/scsi/libiscsi.c                  | 70 +++++++++++++++++++++---
 drivers/scsi/qedi/qedi_iscsi.c           |  1 +
 drivers/scsi/qla4xxx/ql4_os.c            |  1 +
 drivers/scsi/scsi_transport_iscsi.c      | 10 +++-
 include/scsi/libiscsi.h                  |  1 +
 include/scsi/scsi_transport_iscsi.h      |  1 +
 11 files changed, 78 insertions(+), 11 deletions(-)

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 8fcaa1136f2c..6baebcb6d14d 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -1002,6 +1002,7 @@ static struct iscsi_transport iscsi_iser_transport = {
 	/* connection management */
 	.create_conn            = iscsi_iser_conn_create,
 	.bind_conn              = iscsi_iser_conn_bind,
+	.unbind_conn		= iscsi_conn_unbind,
 	.destroy_conn           = iscsi_conn_teardown,
 	.attr_is_visible	= iser_attr_is_visible,
 	.set_param              = iscsi_iser_set_param,
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 90fcddb76f46..e9658a67d9da 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -5809,6 +5809,7 @@ struct iscsi_transport beiscsi_iscsi_transport = {
 	.destroy_session = beiscsi_session_destroy,
 	.create_conn = beiscsi_conn_create,
 	.bind_conn = beiscsi_conn_bind,
+	.unbind_conn = iscsi_conn_unbind,
 	.destroy_conn = iscsi_conn_teardown,
 	.attr_is_visible = beiscsi_attr_is_visible,
 	.set_iface_param = beiscsi_iface_set_param,
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index 1e6d8f62ea3c..b6c1da46d582 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -2276,6 +2276,7 @@ struct iscsi_transport bnx2i_iscsi_transport = {
 	.destroy_session	= bnx2i_session_destroy,
 	.create_conn		= bnx2i_conn_create,
 	.bind_conn		= bnx2i_conn_bind,
+	.unbind_conn		= iscsi_conn_unbind,
 	.destroy_conn		= bnx2i_conn_destroy,
 	.attr_is_visible	= bnx2i_attr_is_visible,
 	.set_param		= iscsi_set_param,
diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
index 37d99357120f..edcd3fab6973 100644
--- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
+++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
@@ -117,6 +117,7 @@ static struct iscsi_transport cxgb3i_iscsi_transport = {
 	/* connection management */
 	.create_conn	= cxgbi_create_conn,
 	.bind_conn	= cxgbi_bind_conn,
+	.unbind_conn	= iscsi_conn_unbind,
 	.destroy_conn	= iscsi_tcp_conn_teardown,
 	.start_conn	= iscsi_conn_start,
 	.stop_conn	= iscsi_conn_stop,
diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 2c3491528d42..efb3e2b3398e 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -134,6 +134,7 @@ static struct iscsi_transport cxgb4i_iscsi_transport = {
 	/* connection management */
 	.create_conn	= cxgbi_create_conn,
 	.bind_conn		= cxgbi_bind_conn,
+	.unbind_conn	= iscsi_conn_unbind,
 	.destroy_conn	= iscsi_tcp_conn_teardown,
 	.start_conn		= iscsi_conn_start,
 	.stop_conn		= iscsi_conn_stop,
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 4834219497ee..2aaf83678654 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1387,23 +1387,32 @@ void iscsi_session_failure(struct iscsi_session *session,
 }
 EXPORT_SYMBOL_GPL(iscsi_session_failure);
 
-void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err)
+static bool iscsi_set_conn_failed(struct iscsi_conn *conn)
 {
 	struct iscsi_session *session = conn->session;
 
-	spin_lock_bh(&session->frwd_lock);
-	if (session->state == ISCSI_STATE_FAILED) {
-		spin_unlock_bh(&session->frwd_lock);
-		return;
-	}
+	if (session->state == ISCSI_STATE_FAILED)
+		return false;
 
 	if (conn->stop_stage == 0)
 		session->state = ISCSI_STATE_FAILED;
-	spin_unlock_bh(&session->frwd_lock);
 
 	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
 	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
-	iscsi_conn_error_event(conn->cls_conn, err);
+	return true;
+}
+
+void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err)
+{
+	struct iscsi_session *session = conn->session;
+	bool needs_evt;
+
+	spin_lock_bh(&session->frwd_lock);
+	needs_evt = iscsi_set_conn_failed(conn);
+	spin_unlock_bh(&session->frwd_lock);
+
+	if (needs_evt)
+		iscsi_conn_error_event(conn->cls_conn, err);
 }
 EXPORT_SYMBOL_GPL(iscsi_conn_failure);
 
@@ -2180,6 +2189,51 @@ static void iscsi_check_transport_timeouts(struct timer_list *t)
 	spin_unlock(&session->frwd_lock);
 }
 
+/**
+ * iscsi_conn_unbind - prevent queueing to conn.
+ * @cls_conn: iscsi conn ep is bound to.
+ * @is_active: is the conn in use for boot or is this for EH/termination
+ *
+ * This must be called by drivers implementing the ep_disconnect callout.
+ * It disables queueing to the connection from libiscsi in preparation for
+ * an ep_disconnect call.
+ */
+void iscsi_conn_unbind(struct iscsi_cls_conn *cls_conn, bool is_active)
+{
+	struct iscsi_session *session;
+	struct iscsi_conn *conn;
+
+	if (!cls_conn)
+		return;
+
+	conn = cls_conn->dd_data;
+	session = conn->session;
+	/*
+	 * Wait for iscsi_eh calls to exit. We don't wait for the tmf to
+	 * complete or timeout. The caller just wants to know what's running
+	 * is everything that needs to be cleaned up, and no cmds will be
+	 * queued.
+	 */
+	mutex_lock(&session->eh_mutex);
+
+	iscsi_suspend_queue(conn);
+	iscsi_suspend_tx(conn);
+
+	spin_lock_bh(&session->frwd_lock);
+	if (!is_active) {
+		/*
+		 * if logout timed out before userspace could even send a PDU
+		 * the state might still be in ISCSI_STATE_LOGGED_IN and
+		 * allowing new cmds and TMFs.
+		 */
+		if (session->state == ISCSI_STATE_LOGGED_IN)
+			iscsi_set_conn_failed(conn);
+	}
+	spin_unlock_bh(&session->frwd_lock);
+	mutex_unlock(&session->eh_mutex);
+}
+EXPORT_SYMBOL_GPL(iscsi_conn_unbind);
+
 static void iscsi_prep_abort_task_pdu(struct iscsi_task *task,
 				      struct iscsi_tm *hdr)
 {
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 08c05403cd72..ef16537c523c 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -1401,6 +1401,7 @@ struct iscsi_transport qedi_iscsi_transport = {
 	.destroy_session = qedi_session_destroy,
 	.create_conn = qedi_conn_create,
 	.bind_conn = qedi_conn_bind,
+	.unbind_conn = iscsi_conn_unbind,
 	.start_conn = qedi_conn_start,
 	.stop_conn = iscsi_conn_stop,
 	.destroy_conn = qedi_conn_destroy,
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 7bd9a4a04ad5..ff663cb330c2 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -259,6 +259,7 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
 	.start_conn             = qla4xxx_conn_start,
 	.create_conn            = qla4xxx_conn_create,
 	.bind_conn              = qla4xxx_conn_bind,
+	.unbind_conn		= iscsi_conn_unbind,
 	.stop_conn              = iscsi_conn_stop,
 	.destroy_conn           = qla4xxx_conn_destroy,
 	.set_param              = iscsi_set_param,
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 441f0152193f..82491343e94a 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2964,7 +2964,7 @@ static int iscsi_if_ep_connect(struct iscsi_transport *transport,
 }
 
 static int iscsi_if_ep_disconnect(struct iscsi_transport *transport,
-				  u64 ep_handle)
+				  u64 ep_handle, bool is_active)
 {
 	struct iscsi_cls_conn *conn;
 	struct iscsi_endpoint *ep;
@@ -2981,6 +2981,8 @@ static int iscsi_if_ep_disconnect(struct iscsi_transport *transport,
 		conn->ep = NULL;
 		mutex_unlock(&conn->ep_mutex);
 		conn->state = ISCSI_CONN_FAILED;
+
+		transport->unbind_conn(conn, is_active);
 	}
 
 	transport->ep_disconnect(ep);
@@ -3012,7 +3014,8 @@ iscsi_if_transport_ep(struct iscsi_transport *transport,
 		break;
 	case ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT:
 		rc = iscsi_if_ep_disconnect(transport,
-					    ev->u.ep_disconnect.ep_handle);
+					    ev->u.ep_disconnect.ep_handle,
+					    false);
 		break;
 	}
 	return rc;
@@ -3737,7 +3740,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group)
 		conn = iscsi_conn_lookup(ev->u.b_conn.sid, ev->u.b_conn.cid);
 
 		if (conn && conn->ep)
-			iscsi_if_ep_disconnect(transport, conn->ep->id);
+			iscsi_if_ep_disconnect(transport, conn->ep->id, true);
 
 		if (!session || !conn) {
 			err = -EINVAL;
@@ -4656,6 +4659,7 @@ iscsi_register_transport(struct iscsi_transport *tt)
 	int err;
 
 	BUG_ON(!tt);
+	WARN_ON(tt->ep_disconnect && !tt->unbind_conn);
 
 	priv = iscsi_if_transport_lookup(tt);
 	if (priv)
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 02f966e9358f..091f284bd6e9 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -424,6 +424,7 @@ extern int iscsi_conn_start(struct iscsi_cls_conn *);
 extern void iscsi_conn_stop(struct iscsi_cls_conn *, int);
 extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn *,
 			   int);
+extern void iscsi_conn_unbind(struct iscsi_cls_conn *cls_conn, bool is_active);
 extern void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err);
 extern void iscsi_session_failure(struct iscsi_session *session,
 				  enum iscsi_err err);
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index fc5a39839b4b..8874016b3c9a 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -82,6 +82,7 @@ struct iscsi_transport {
 	void (*destroy_session) (struct iscsi_cls_session *session);
 	struct iscsi_cls_conn *(*create_conn) (struct iscsi_cls_session *sess,
 				uint32_t cid);
+	void (*unbind_conn) (struct iscsi_cls_conn *conn, bool is_active);
 	int (*bind_conn) (struct iscsi_cls_session *session,
 			  struct iscsi_cls_conn *cls_conn,
 			  uint64_t transport_eph, int is_leading);
-- 
2.30.2

[PATCH AUTOSEL 5.12 040/104] scsi: iscsi: Add iscsi_cls_conn refcount helpers

[Sasha Levin]

From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit b1d19e8c92cfb0ded180ef3376c20e130414e067 ]

There are a couple places where we could free the iscsi_cls_conn while it's
still in use. This adds some helpers to get/put a refcount on the struct
and converts an exiting user. Subsequent commits will then use the helpers
to fix 2 bugs in the eh code.

Link: https://lore.kernel.org/r/20210525181821.7617-11-michael.christie@oracle.com
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/libiscsi.c             |  7 ++-----
 drivers/scsi/scsi_transport_iscsi.c | 12 ++++++++++++
 include/scsi/scsi_transport_iscsi.h |  2 ++
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 2aaf83678654..ab39d7f65bbb 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1361,7 +1361,6 @@ void iscsi_session_failure(struct iscsi_session *session,
 			   enum iscsi_err err)
 {
 	struct iscsi_conn *conn;
-	struct device *dev;
 
 	spin_lock_bh(&session->frwd_lock);
 	conn = session->leadconn;
@@ -1370,10 +1369,8 @@ void iscsi_session_failure(struct iscsi_session *session,
 		return;
 	}
 
-	dev = get_device(&conn->cls_conn->dev);
+	iscsi_get_conn(conn->cls_conn);
 	spin_unlock_bh(&session->frwd_lock);
-	if (!dev)
-	        return;
 	/*
 	 * if the host is being removed bypass the connection
 	 * recovery initialization because we are going to kill
@@ -1383,7 +1380,7 @@ void iscsi_session_failure(struct iscsi_session *session,
 		iscsi_conn_error_event(conn->cls_conn, err);
 	else
 		iscsi_conn_failure(conn, err);
-	put_device(dev);
+	iscsi_put_conn(conn->cls_conn);
 }
 EXPORT_SYMBOL_GPL(iscsi_session_failure);
 
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 82491343e94a..869cfc329da9 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2348,6 +2348,18 @@ int iscsi_destroy_conn(struct iscsi_cls_conn *conn)
 }
 EXPORT_SYMBOL_GPL(iscsi_destroy_conn);
 
+void iscsi_put_conn(struct iscsi_cls_conn *conn)
+{
+	put_device(&conn->dev);
+}
+EXPORT_SYMBOL_GPL(iscsi_put_conn);
+
+void iscsi_get_conn(struct iscsi_cls_conn *conn)
+{
+	get_device(&conn->dev);
+}
+EXPORT_SYMBOL_GPL(iscsi_get_conn);
+
 /*
  * iscsi interface functions
  */
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 8874016b3c9a..eb6ed499324d 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -435,6 +435,8 @@ extern void iscsi_remove_session(struct iscsi_cls_session *session);
 extern void iscsi_free_session(struct iscsi_cls_session *session);
 extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess,
 						int dd_size, uint32_t cid);
+extern void iscsi_put_conn(struct iscsi_cls_conn *conn);
+extern void iscsi_get_conn(struct iscsi_cls_conn *conn);
 extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn);
 extern void iscsi_unblock_session(struct iscsi_cls_session *session);
 extern void iscsi_block_session(struct iscsi_cls_session *session);
-- 
2.30.2

[PATCH AUTOSEL 5.12 041/104] scsi: iscsi: Fix conn use after free during resets

[Sasha Levin]

From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit ec29d0ac29be366450a7faffbcf8cba3a6a3b506 ]

If we haven't done a unbind target call we can race where
iscsi_conn_teardown wakes up the EH thread and then frees the conn while
those threads are still accessing the conn ehwait.

We can only do one TMF per session so this just moves the TMF fields from
the conn to the session. We can then rely on the
iscsi_session_teardown->iscsi_remove_session->__iscsi_unbind_session call
to remove the target and it's devices, and know after that point there is
no device or scsi-ml callout trying to access the session.

Link: https://lore.kernel.org/r/20210525181821.7617-14-michael.christie@oracle.com
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/libiscsi.c | 115 +++++++++++++++++++---------------------
 include/scsi/libiscsi.h |  11 ++--
 2 files changed, 60 insertions(+), 66 deletions(-)

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index ab39d7f65bbb..dfe906307e55 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -230,11 +230,11 @@ static int iscsi_prep_ecdb_ahs(struct iscsi_task *task)
  */
 static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode)
 {
-	struct iscsi_conn *conn = task->conn;
-	struct iscsi_tm *tmf = &conn->tmhdr;
+	struct iscsi_session *session = task->conn->session;
+	struct iscsi_tm *tmf = &session->tmhdr;
 	u64 hdr_lun;
 
-	if (conn->tmf_state == TMF_INITIAL)
+	if (session->tmf_state == TMF_INITIAL)
 		return 0;
 
 	if ((tmf->opcode & ISCSI_OPCODE_MASK) != ISCSI_OP_SCSI_TMFUNC)
@@ -254,24 +254,19 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode)
 		 * Fail all SCSI cmd PDUs
 		 */
 		if (opcode != ISCSI_OP_SCSI_DATA_OUT) {
-			iscsi_conn_printk(KERN_INFO, conn,
-					  "task [op %x itt "
-					  "0x%x/0x%x] "
-					  "rejected.\n",
-					  opcode, task->itt,
-					  task->hdr_itt);
+			iscsi_session_printk(KERN_INFO, session,
+					     "task [op %x itt 0x%x/0x%x] rejected.\n",
+					     opcode, task->itt, task->hdr_itt);
 			return -EACCES;
 		}
 		/*
 		 * And also all data-out PDUs in response to R2T
 		 * if fast_abort is set.
 		 */
-		if (conn->session->fast_abort) {
-			iscsi_conn_printk(KERN_INFO, conn,
-					  "task [op %x itt "
-					  "0x%x/0x%x] fast abort.\n",
-					  opcode, task->itt,
-					  task->hdr_itt);
+		if (session->fast_abort) {
+			iscsi_session_printk(KERN_INFO, session,
+					     "task [op %x itt 0x%x/0x%x] fast abort.\n",
+					     opcode, task->itt, task->hdr_itt);
 			return -EACCES;
 		}
 		break;
@@ -284,7 +279,7 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode)
 		 */
 		if (opcode == ISCSI_OP_SCSI_DATA_OUT &&
 		    task->hdr_itt == tmf->rtt) {
-			ISCSI_DBG_SESSION(conn->session,
+			ISCSI_DBG_SESSION(session,
 					  "Preventing task %x/%x from sending "
 					  "data-out due to abort task in "
 					  "progress\n", task->itt,
@@ -936,20 +931,21 @@ iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
 static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
 {
 	struct iscsi_tm_rsp *tmf = (struct iscsi_tm_rsp *)hdr;
+	struct iscsi_session *session = conn->session;
 
 	conn->exp_statsn = be32_to_cpu(hdr->statsn) + 1;
 	conn->tmfrsp_pdus_cnt++;
 
-	if (conn->tmf_state != TMF_QUEUED)
+	if (session->tmf_state != TMF_QUEUED)
 		return;
 
 	if (tmf->response == ISCSI_TMF_RSP_COMPLETE)
-		conn->tmf_state = TMF_SUCCESS;
+		session->tmf_state = TMF_SUCCESS;
 	else if (tmf->response == ISCSI_TMF_RSP_NO_TASK)
-		conn->tmf_state = TMF_NOT_FOUND;
+		session->tmf_state = TMF_NOT_FOUND;
 	else
-		conn->tmf_state = TMF_FAILED;
-	wake_up(&conn->ehwait);
+		session->tmf_state = TMF_FAILED;
+	wake_up(&session->ehwait);
 }
 
 static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
@@ -1826,15 +1822,14 @@ EXPORT_SYMBOL_GPL(iscsi_target_alloc);
 
 static void iscsi_tmf_timedout(struct timer_list *t)
 {
-	struct iscsi_conn *conn = from_timer(conn, t, tmf_timer);
-	struct iscsi_session *session = conn->session;
+	struct iscsi_session *session = from_timer(session, t, tmf_timer);
 
 	spin_lock(&session->frwd_lock);
-	if (conn->tmf_state == TMF_QUEUED) {
-		conn->tmf_state = TMF_TIMEDOUT;
+	if (session->tmf_state == TMF_QUEUED) {
+		session->tmf_state = TMF_TIMEDOUT;
 		ISCSI_DBG_EH(session, "tmf timedout\n");
 		/* unblock eh_abort() */
-		wake_up(&conn->ehwait);
+		wake_up(&session->ehwait);
 	}
 	spin_unlock(&session->frwd_lock);
 }
@@ -1857,8 +1852,8 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
 		return -EPERM;
 	}
 	conn->tmfcmd_pdus_cnt++;
-	conn->tmf_timer.expires = timeout * HZ + jiffies;
-	add_timer(&conn->tmf_timer);
+	session->tmf_timer.expires = timeout * HZ + jiffies;
+	add_timer(&session->tmf_timer);
 	ISCSI_DBG_EH(session, "tmf set timeout\n");
 
 	spin_unlock_bh(&session->frwd_lock);
@@ -1872,12 +1867,12 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
 	 * 3) session is terminated or restarted or userspace has
 	 * given up on recovery
 	 */
-	wait_event_interruptible(conn->ehwait, age != session->age ||
+	wait_event_interruptible(session->ehwait, age != session->age ||
 				 session->state != ISCSI_STATE_LOGGED_IN ||
-				 conn->tmf_state != TMF_QUEUED);
+				 session->tmf_state != TMF_QUEUED);
 	if (signal_pending(current))
 		flush_signals(current);
-	del_timer_sync(&conn->tmf_timer);
+	del_timer_sync(&session->tmf_timer);
 
 	mutex_lock(&session->eh_mutex);
 	spin_lock_bh(&session->frwd_lock);
@@ -2309,17 +2304,17 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 	}
 
 	/* only have one tmf outstanding at a time */
-	if (conn->tmf_state != TMF_INITIAL)
+	if (session->tmf_state != TMF_INITIAL)
 		goto failed;
-	conn->tmf_state = TMF_QUEUED;
+	session->tmf_state = TMF_QUEUED;
 
-	hdr = &conn->tmhdr;
+	hdr = &session->tmhdr;
 	iscsi_prep_abort_task_pdu(task, hdr);
 
 	if (iscsi_exec_task_mgmt_fn(conn, hdr, age, session->abort_timeout))
 		goto failed;
 
-	switch (conn->tmf_state) {
+	switch (session->tmf_state) {
 	case TMF_SUCCESS:
 		spin_unlock_bh(&session->frwd_lock);
 		/*
@@ -2334,7 +2329,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 		 */
 		spin_lock_bh(&session->frwd_lock);
 		fail_scsi_task(task, DID_ABORT);
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		memset(hdr, 0, sizeof(*hdr));
 		spin_unlock_bh(&session->frwd_lock);
 		iscsi_start_tx(conn);
@@ -2345,7 +2340,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 		goto failed_unlocked;
 	case TMF_NOT_FOUND:
 		if (!sc->SCp.ptr) {
-			conn->tmf_state = TMF_INITIAL;
+			session->tmf_state = TMF_INITIAL;
 			memset(hdr, 0, sizeof(*hdr));
 			/* task completed before tmf abort response */
 			ISCSI_DBG_EH(session, "sc completed while abort	in "
@@ -2354,7 +2349,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 		}
 		fallthrough;
 	default:
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		goto failed;
 	}
 
@@ -2413,11 +2408,11 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 	conn = session->leadconn;
 
 	/* only have one tmf outstanding at a time */
-	if (conn->tmf_state != TMF_INITIAL)
+	if (session->tmf_state != TMF_INITIAL)
 		goto unlock;
-	conn->tmf_state = TMF_QUEUED;
+	session->tmf_state = TMF_QUEUED;
 
-	hdr = &conn->tmhdr;
+	hdr = &session->tmhdr;
 	iscsi_prep_lun_reset_pdu(sc, hdr);
 
 	if (iscsi_exec_task_mgmt_fn(conn, hdr, session->age,
@@ -2426,7 +2421,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 		goto unlock;
 	}
 
-	switch (conn->tmf_state) {
+	switch (session->tmf_state) {
 	case TMF_SUCCESS:
 		break;
 	case TMF_TIMEDOUT:
@@ -2434,7 +2429,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 		iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST);
 		goto done;
 	default:
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		goto unlock;
 	}
 
@@ -2446,7 +2441,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 	spin_lock_bh(&session->frwd_lock);
 	memset(hdr, 0, sizeof(*hdr));
 	fail_scsi_tasks(conn, sc->device->lun, DID_ERROR);
-	conn->tmf_state = TMF_INITIAL;
+	session->tmf_state = TMF_INITIAL;
 	spin_unlock_bh(&session->frwd_lock);
 
 	iscsi_start_tx(conn);
@@ -2469,8 +2464,7 @@ void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session)
 	spin_lock_bh(&session->frwd_lock);
 	if (session->state != ISCSI_STATE_LOGGED_IN) {
 		session->state = ISCSI_STATE_RECOVERY_FAILED;
-		if (session->leadconn)
-			wake_up(&session->leadconn->ehwait);
+		wake_up(&session->ehwait);
 	}
 	spin_unlock_bh(&session->frwd_lock);
 }
@@ -2515,7 +2509,7 @@ int iscsi_eh_session_reset(struct scsi_cmnd *sc)
 	iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST);
 
 	ISCSI_DBG_EH(session, "wait for relogin\n");
-	wait_event_interruptible(conn->ehwait,
+	wait_event_interruptible(session->ehwait,
 				 session->state == ISCSI_STATE_TERMINATE ||
 				 session->state == ISCSI_STATE_LOGGED_IN ||
 				 session->state == ISCSI_STATE_RECOVERY_FAILED);
@@ -2576,11 +2570,11 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 	conn = session->leadconn;
 
 	/* only have one tmf outstanding at a time */
-	if (conn->tmf_state != TMF_INITIAL)
+	if (session->tmf_state != TMF_INITIAL)
 		goto unlock;
-	conn->tmf_state = TMF_QUEUED;
+	session->tmf_state = TMF_QUEUED;
 
-	hdr = &conn->tmhdr;
+	hdr = &session->tmhdr;
 	iscsi_prep_tgt_reset_pdu(sc, hdr);
 
 	if (iscsi_exec_task_mgmt_fn(conn, hdr, session->age,
@@ -2589,7 +2583,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 		goto unlock;
 	}
 
-	switch (conn->tmf_state) {
+	switch (session->tmf_state) {
 	case TMF_SUCCESS:
 		break;
 	case TMF_TIMEDOUT:
@@ -2597,7 +2591,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 		iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST);
 		goto done;
 	default:
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		goto unlock;
 	}
 
@@ -2609,7 +2603,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 	spin_lock_bh(&session->frwd_lock);
 	memset(hdr, 0, sizeof(*hdr));
 	fail_scsi_tasks(conn, -1, DID_ERROR);
-	conn->tmf_state = TMF_INITIAL;
+	session->tmf_state = TMF_INITIAL;
 	spin_unlock_bh(&session->frwd_lock);
 
 	iscsi_start_tx(conn);
@@ -2939,7 +2933,10 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
 	session->tt = iscsit;
 	session->dd_data = cls_session->dd_data + sizeof(*session);
 
+	session->tmf_state = TMF_INITIAL;
+	timer_setup(&session->tmf_timer, iscsi_tmf_timedout, 0);
 	mutex_init(&session->eh_mutex);
+
 	spin_lock_init(&session->frwd_lock);
 	spin_lock_init(&session->back_lock);
 
@@ -3043,7 +3040,6 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
 	conn->c_stage = ISCSI_CONN_INITIAL_STAGE;
 	conn->id = conn_idx;
 	conn->exp_statsn = 0;
-	conn->tmf_state = TMF_INITIAL;
 
 	timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0);
 
@@ -3068,8 +3064,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
 		goto login_task_data_alloc_fail;
 	conn->login_task->data = conn->data = data;
 
-	timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0);
-	init_waitqueue_head(&conn->ehwait);
+	init_waitqueue_head(&session->ehwait);
 
 	return cls_conn;
 
@@ -3104,7 +3099,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
 		 * leading connection? then give up on recovery.
 		 */
 		session->state = ISCSI_STATE_TERMINATE;
-		wake_up(&conn->ehwait);
+		wake_up(&session->ehwait);
 	}
 	spin_unlock_bh(&session->frwd_lock);
 
@@ -3179,7 +3174,7 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn)
 		 * commands after successful recovery
 		 */
 		conn->stop_stage = 0;
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		session->age++;
 		if (session->age == 16)
 			session->age = 0;
@@ -3193,7 +3188,7 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn)
 	spin_unlock_bh(&session->frwd_lock);
 
 	iscsi_unblock_session(session->cls_session);
-	wake_up(&conn->ehwait);
+	wake_up(&session->ehwait);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(iscsi_conn_start);
@@ -3287,7 +3282,7 @@ void iscsi_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	spin_lock_bh(&session->frwd_lock);
 	fail_scsi_tasks(conn, -1, DID_TRANSPORT_DISRUPTED);
 	fail_mgmt_tasks(session, conn);
-	memset(&conn->tmhdr, 0, sizeof(conn->tmhdr));
+	memset(&session->tmhdr, 0, sizeof(session->tmhdr));
 	spin_unlock_bh(&session->frwd_lock);
 	mutex_unlock(&session->eh_mutex);
 }
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 091f284bd6e9..2bb452a8f134 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -195,12 +195,6 @@ struct iscsi_conn {
 	unsigned long		suspend_tx;	/* suspend Tx */
 	unsigned long		suspend_rx;	/* suspend Rx */
 
-	/* abort */
-	wait_queue_head_t	ehwait;		/* used in eh_abort() */
-	struct iscsi_tm		tmhdr;
-	struct timer_list	tmf_timer;
-	int			tmf_state;	/* see TMF_INITIAL, etc.*/
-
 	/* negotiated params */
 	unsigned		max_recv_dlength; /* initiator_max_recv_dsl*/
 	unsigned		max_xmit_dlength; /* target_max_recv_dsl */
@@ -270,6 +264,11 @@ struct iscsi_session {
 	 * and recv lock.
 	 */
 	struct mutex		eh_mutex;
+	/* abort */
+	wait_queue_head_t	ehwait;		/* used in eh_abort() */
+	struct iscsi_tm		tmhdr;
+	struct timer_list	tmf_timer;
+	int			tmf_state;	/* see TMF_INITIAL, etc.*/
 
 	/* iSCSI session-wide sequencing */
 	uint32_t		cmdsn;
-- 
2.30.2

[PATCH AUTOSEL 5.12 042/104] scsi: iscsi: Fix shost->max_id use

[Sasha Levin]

From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit bdd4aad7ff92ae39c2e93c415bb6761cb8b584da ]

The iscsi offload drivers are setting the shost->max_id to the max number
of sessions they support. The problem is that max_id is not the max number
of targets but the highest identifier the targets can have. To use it to
limit the number of targets we need to set it to max sessions - 1, or we
can end up with a session we might not have preallocated resources for.

Link: https://lore.kernel.org/r/20210525181821.7617-15-michael.christie@oracle.com
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/be2iscsi/be_main.c  | 4 ++--
 drivers/scsi/bnx2i/bnx2i_iscsi.c | 2 +-
 drivers/scsi/cxgbi/libcxgbi.c    | 4 ++--
 drivers/scsi/qedi/qedi_main.c    | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index e9658a67d9da..09d2f8351539 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -416,7 +416,7 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev)
 			"beiscsi_hba_alloc - iscsi_host_alloc failed\n");
 		return NULL;
 	}
-	shost->max_id = BE2_MAX_SESSIONS;
+	shost->max_id = BE2_MAX_SESSIONS - 1;
 	shost->max_channel = 0;
 	shost->max_cmd_len = BEISCSI_MAX_CMD_LEN;
 	shost->max_lun = BEISCSI_NUM_MAX_LUN;
@@ -5318,7 +5318,7 @@ static int beiscsi_enable_port(struct beiscsi_hba *phba)
 	/* Re-enable UER. If different TPE occurs then it is recoverable. */
 	beiscsi_set_uer_feature(phba);
 
-	phba->shost->max_id = phba->params.cxns_per_ctrl;
+	phba->shost->max_id = phba->params.cxns_per_ctrl - 1;
 	phba->shost->can_queue = phba->params.ios_per_ctrl;
 	ret = beiscsi_init_port(phba);
 	if (ret < 0) {
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index b6c1da46d582..197aca76a69d 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -791,7 +791,7 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic)
 		return NULL;
 	shost->dma_boundary = cnic->pcidev->dma_mask;
 	shost->transportt = bnx2i_scsi_xport_template;
-	shost->max_id = ISCSI_MAX_CONNS_PER_HBA;
+	shost->max_id = ISCSI_MAX_CONNS_PER_HBA - 1;
 	shost->max_channel = 0;
 	shost->max_lun = 512;
 	shost->max_cmd_len = 16;
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index f078b3c4e083..ecb134b4699f 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -337,7 +337,7 @@ void cxgbi_hbas_remove(struct cxgbi_device *cdev)
 EXPORT_SYMBOL_GPL(cxgbi_hbas_remove);
 
 int cxgbi_hbas_add(struct cxgbi_device *cdev, u64 max_lun,
-		unsigned int max_id, struct scsi_host_template *sht,
+		unsigned int max_conns, struct scsi_host_template *sht,
 		struct scsi_transport_template *stt)
 {
 	struct cxgbi_hba *chba;
@@ -357,7 +357,7 @@ int cxgbi_hbas_add(struct cxgbi_device *cdev, u64 max_lun,
 
 		shost->transportt = stt;
 		shost->max_lun = max_lun;
-		shost->max_id = max_id;
+		shost->max_id = max_conns - 1;
 		shost->max_channel = 0;
 		shost->max_cmd_len = SCSI_MAX_VARLEN_CDB_SIZE;
 
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 69c5b5ee2169..b33eff9ea80b 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -642,7 +642,7 @@ static struct qedi_ctx *qedi_host_alloc(struct pci_dev *pdev)
 		goto exit_setup_shost;
 	}
 
-	shost->max_id = QEDI_MAX_ISCSI_CONNS_PER_HBA;
+	shost->max_id = QEDI_MAX_ISCSI_CONNS_PER_HBA - 1;
 	shost->max_channel = 0;
 	shost->max_lun = ~0;
 	shost->max_cmd_len = 16;
-- 
2.30.2

[PATCH AUTOSEL 5.12 043/104] scsi: qedi: Fix null ref during abort handling

[Sasha Levin]

From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit 5777b7f0f03ce49372203b6521631f62f2810c8f ]

If qedi_process_cmd_cleanup_resp finds the cmd it frees the work and sets
list_tmf_work to NULL, so qedi_tmf_work should check if list_tmf_work is
non-NULL when it wants to force cleanup.

Link: https://lore.kernel.org/r/20210525181821.7617-20-michael.christie@oracle.com
Reviewed-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qedi/qedi_fw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index 440ddd2309f1..cf57b4e49700 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -1453,7 +1453,7 @@ static void qedi_tmf_work(struct work_struct *work)
 
 ldel_exit:
 	spin_lock_bh(&qedi_conn->tmf_work_lock);
-	if (!qedi_cmd->list_tmf_work) {
+	if (qedi_cmd->list_tmf_work) {
 		list_del_init(&list_work->list);
 		qedi_cmd->list_tmf_work = NULL;
 		kfree(list_work);
-- 
2.30.2

[PATCH AUTOSEL 5.12 044/104] scsi: qedi: Fix race during abort timeouts

[Sasha Levin]

From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit 2ce002366a3fcc3f9616d4583194f65dde0ad253 ]

If the SCSI cmd completes after qedi_tmf_work calls iscsi_itt_to_task then
the qedi qedi_cmd->task_id could be freed and used for another cmd. If we
then call qedi_iscsi_cleanup_task with that task_id we will be cleaning up
the wrong cmd.

Wait to release the task_id until the last put has been done on the
iscsi_task. Because libiscsi grabs a ref to the task when sending the
abort, we know that for the non-abort timeout case that the task_id we are
referencing is for the cmd that was supposed to be aborted.

A latter commit will fix the case where the abort times out while we are
running qedi_tmf_work.

Link: https://lore.kernel.org/r/20210525181821.7617-21-michael.christie@oracle.com
Reviewed-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qedi/qedi_fw.c    | 15 ---------------
 drivers/scsi/qedi/qedi_iscsi.c | 20 +++++++++++++++++---
 2 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index cf57b4e49700..c12bb2dd5ff9 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -73,7 +73,6 @@ static void qedi_process_logout_resp(struct qedi_ctx *qedi,
 	spin_unlock(&qedi_conn->list_lock);
 
 	cmd->state = RESPONSE_RECEIVED;
-	qedi_clear_task_idx(qedi, cmd->task_id);
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr, NULL, 0);
 
 	spin_unlock(&session->back_lock);
@@ -138,7 +137,6 @@ static void qedi_process_text_resp(struct qedi_ctx *qedi,
 	spin_unlock(&qedi_conn->list_lock);
 
 	cmd->state = RESPONSE_RECEIVED;
-	qedi_clear_task_idx(qedi, cmd->task_id);
 
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr,
 			     qedi_conn->gen_pdu.resp_buf,
@@ -164,13 +162,11 @@ static void qedi_tmf_resp_work(struct work_struct *work)
 	iscsi_block_session(session->cls_session);
 	rval = qedi_cleanup_all_io(qedi, qedi_conn, qedi_cmd->task, true);
 	if (rval) {
-		qedi_clear_task_idx(qedi, qedi_cmd->task_id);
 		iscsi_unblock_session(session->cls_session);
 		goto exit_tmf_resp;
 	}
 
 	iscsi_unblock_session(session->cls_session);
-	qedi_clear_task_idx(qedi, qedi_cmd->task_id);
 
 	spin_lock(&session->back_lock);
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0);
@@ -245,8 +241,6 @@ static void qedi_process_tmf_resp(struct qedi_ctx *qedi,
 		goto unblock_sess;
 	}
 
-	qedi_clear_task_idx(qedi, qedi_cmd->task_id);
-
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0);
 	kfree(resp_hdr_ptr);
 
@@ -314,7 +308,6 @@ static void qedi_process_login_resp(struct qedi_ctx *qedi,
 		  "Freeing tid=0x%x for cid=0x%x\n",
 		  cmd->task_id, qedi_conn->iscsi_conn_id);
 	cmd->state = RESPONSE_RECEIVED;
-	qedi_clear_task_idx(qedi, cmd->task_id);
 }
 
 static void qedi_get_rq_bdq_buf(struct qedi_ctx *qedi,
@@ -468,7 +461,6 @@ static int qedi_process_nopin_mesg(struct qedi_ctx *qedi,
 		}
 
 		spin_unlock(&qedi_conn->list_lock);
-		qedi_clear_task_idx(qedi, cmd->task_id);
 	}
 
 done:
@@ -673,7 +665,6 @@ static void qedi_scsi_completion(struct qedi_ctx *qedi,
 	if (qedi_io_tracing)
 		qedi_trace_io(qedi, task, cmd->task_id, QEDI_IO_TRACE_RSP);
 
-	qedi_clear_task_idx(qedi, cmd->task_id);
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr,
 			     conn->data, datalen);
 error:
@@ -730,7 +721,6 @@ static void qedi_process_nopin_local_cmpl(struct qedi_ctx *qedi,
 		  cqe->itid, cmd->task_id);
 
 	cmd->state = RESPONSE_RECEIVED;
-	qedi_clear_task_idx(qedi, cmd->task_id);
 
 	spin_lock_bh(&session->back_lock);
 	__iscsi_put_task(task);
@@ -748,7 +738,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 	itt_t protoitt = 0;
 	int found = 0;
 	struct qedi_cmd *qedi_cmd = NULL;
-	u32 rtid = 0;
 	u32 iscsi_cid;
 	struct qedi_conn *qedi_conn;
 	struct qedi_cmd *dbg_cmd;
@@ -779,7 +768,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 			found = 1;
 			mtask = qedi_cmd->task;
 			tmf_hdr = (struct iscsi_tm *)mtask->hdr;
-			rtid = work->rtid;
 
 			list_del_init(&work->list);
 			kfree(work);
@@ -821,8 +809,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 			if (qedi_cmd->state == CLEANUP_WAIT_FAILED)
 				qedi_cmd->state = CLEANUP_RECV;
 
-			qedi_clear_task_idx(qedi_conn->qedi, rtid);
-
 			spin_lock(&qedi_conn->list_lock);
 			if (likely(dbg_cmd->io_cmd_in_list)) {
 				dbg_cmd->io_cmd_in_list = false;
@@ -856,7 +842,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
 			  "Freeing tid=0x%x for cid=0x%x\n",
 			  cqe->itid, qedi_conn->iscsi_conn_id);
-		qedi_clear_task_idx(qedi_conn->qedi, cqe->itid);
 
 	} else {
 		qedi_get_proto_itt(qedi, cqe->itid, &ptmp_itt);
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index ef16537c523c..a7003847bd4c 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -772,7 +772,6 @@ static int qedi_mtask_xmit(struct iscsi_conn *conn, struct iscsi_task *task)
 	}
 
 	cmd->conn = conn->dd_data;
-	cmd->scsi_cmd = NULL;
 	return qedi_iscsi_send_generic_request(task);
 }
 
@@ -783,6 +782,10 @@ static int qedi_task_xmit(struct iscsi_task *task)
 	struct qedi_cmd *cmd = task->dd_data;
 	struct scsi_cmnd *sc = task->sc;
 
+	/* Clear now so in cleanup_task we know it didn't make it */
+	cmd->scsi_cmd = NULL;
+	cmd->task_id = U16_MAX;
+
 	if (test_bit(QEDI_IN_SHUTDOWN, &qedi_conn->qedi->flags))
 		return -ENODEV;
 
@@ -1383,13 +1386,24 @@ static umode_t qedi_attr_is_visible(int param_type, int param)
 
 static void qedi_cleanup_task(struct iscsi_task *task)
 {
-	if (!task->sc || task->state == ISCSI_TASK_PENDING) {
+	struct qedi_cmd *cmd;
+
+	if (task->state == ISCSI_TASK_PENDING) {
 		QEDI_INFO(NULL, QEDI_LOG_IO, "Returning ref_cnt=%d\n",
 			  refcount_read(&task->refcount));
 		return;
 	}
 
-	qedi_iscsi_unmap_sg_list(task->dd_data);
+	if (task->sc)
+		qedi_iscsi_unmap_sg_list(task->dd_data);
+
+	cmd = task->dd_data;
+	if (cmd->task_id != U16_MAX)
+		qedi_clear_task_idx(iscsi_host_priv(task->conn->session->host),
+				    cmd->task_id);
+
+	cmd->task_id = U16_MAX;
+	cmd->scsi_cmd = NULL;
 }
 
 struct iscsi_transport qedi_iscsi_transport = {
-- 
2.30.2

[PATCH AUTOSEL 5.12 045/104] scsi: qedi: Fix TMF session block/unblock use

[Sasha Levin]

From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit 2819b4ae2873d50fd55292877b0231ec936c3b2e ]

Drivers shouldn't be calling block/unblock session for tmf handling because
the functions can change the session state from under libiscsi.
iscsi_queuecommand's call to iscsi_prep_scsi_cmd_pdu->
iscsi_check_tmf_restrictions will prevent new cmds from being sent to qedi
after we've started handling a TMF. So we don't need to try and block it in
the driver, and we can remove these block calls.

Link: https://lore.kernel.org/r/20210525181821.7617-25-michael.christie@oracle.com
Reviewed-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qedi/qedi_fw.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index c12bb2dd5ff9..4c87640e6a91 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -159,14 +159,9 @@ static void qedi_tmf_resp_work(struct work_struct *work)
 	set_bit(QEDI_CONN_FW_CLEANUP, &qedi_conn->flags);
 	resp_hdr_ptr =  (struct iscsi_tm_rsp *)qedi_cmd->tmf_resp_buf;
 
-	iscsi_block_session(session->cls_session);
 	rval = qedi_cleanup_all_io(qedi, qedi_conn, qedi_cmd->task, true);
-	if (rval) {
-		iscsi_unblock_session(session->cls_session);
+	if (rval)
 		goto exit_tmf_resp;
-	}
-
-	iscsi_unblock_session(session->cls_session);
 
 	spin_lock(&session->back_lock);
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0);
-- 
2.30.2

[PATCH AUTOSEL 5.12 046/104] scsi: qedi: Fix cleanup session block/unblock use

[Sasha Levin]

From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit 0c72191da68638a479602dd515b587ada913184a ]

Drivers shouldn't be calling block/unblock session for cmd cleanup because
the functions can change the session state from under libiscsi.  This adds
a new a driver level bit so it can block all I/O the host while it drains
the card.

Link: https://lore.kernel.org/r/20210525181821.7617-26-michael.christie@oracle.com
Reviewed-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qedi/qedi.h       |  1 +
 drivers/scsi/qedi/qedi_iscsi.c | 17 +++++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h
index c342defc3f52..ce199a7a16b8 100644
--- a/drivers/scsi/qedi/qedi.h
+++ b/drivers/scsi/qedi/qedi.h
@@ -284,6 +284,7 @@ struct qedi_ctx {
 #define QEDI_IN_RECOVERY	5
 #define QEDI_IN_OFFLINE		6
 #define QEDI_IN_SHUTDOWN	7
+#define QEDI_BLOCK_IO		8
 
 	u8 mac[ETH_ALEN];
 	u32 src_ip[4];
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index a7003847bd4c..8f8036ae9a56 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -330,12 +330,22 @@ qedi_conn_create(struct iscsi_cls_session *cls_session, uint32_t cid)
 
 void qedi_mark_device_missing(struct iscsi_cls_session *cls_session)
 {
-	iscsi_block_session(cls_session);
+	struct iscsi_session *session = cls_session->dd_data;
+	struct qedi_conn *qedi_conn = session->leadconn->dd_data;
+
+	spin_lock_bh(&session->frwd_lock);
+	set_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags);
+	spin_unlock_bh(&session->frwd_lock);
 }
 
 void qedi_mark_device_available(struct iscsi_cls_session *cls_session)
 {
-	iscsi_unblock_session(cls_session);
+	struct iscsi_session *session = cls_session->dd_data;
+	struct qedi_conn *qedi_conn = session->leadconn->dd_data;
+
+	spin_lock_bh(&session->frwd_lock);
+	clear_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags);
+	spin_unlock_bh(&session->frwd_lock);
 }
 
 static int qedi_bind_conn_to_iscsi_cid(struct qedi_ctx *qedi,
@@ -789,6 +799,9 @@ static int qedi_task_xmit(struct iscsi_task *task)
 	if (test_bit(QEDI_IN_SHUTDOWN, &qedi_conn->qedi->flags))
 		return -ENODEV;
 
+	if (test_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags))
+		return -EACCES;
+
 	cmd->state = 0;
 	cmd->task = NULL;
 	cmd->use_slowpath = false;
-- 
2.30.2

[PATCH AUTOSEL 5.12 047/104] mfd: da9052/stmpe: Add and modify MODULE_DEVICE_TABLE

[Sasha Levin]

From: Zou Wei <zou_wei@huawei.com>

[ Upstream commit 4700ef326556ed74aba188f12396740a8c1c21dd ]

This patch adds/modifies MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mfd/da9052-i2c.c | 1 +
 drivers/mfd/stmpe-i2c.c  | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index 47556d2d9abe..8ebfc7bbe4e0 100644
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -113,6 +113,7 @@ static const struct i2c_device_id da9052_i2c_id[] = {
 	{"da9053-bc", DA9053_BC},
 	{}
 };
+MODULE_DEVICE_TABLE(i2c, da9052_i2c_id);
 
 #ifdef CONFIG_OF
 static const struct of_device_id dialog_dt_ids[] = {
diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c
index 61aa020199f5..cd2f45257dc1 100644
--- a/drivers/mfd/stmpe-i2c.c
+++ b/drivers/mfd/stmpe-i2c.c
@@ -109,7 +109,7 @@ static const struct i2c_device_id stmpe_i2c_id[] = {
 	{ "stmpe2403", STMPE2403 },
 	{ }
 };
-MODULE_DEVICE_TABLE(i2c, stmpe_id);
+MODULE_DEVICE_TABLE(i2c, stmpe_i2c_id);
 
 static struct i2c_driver stmpe_i2c_driver = {
 	.driver = {
-- 
2.30.2

[PATCH AUTOSEL 5.12 048/104] mfd: cpcap: Fix cpcap dmamask not set warnings

[Sasha Levin]

From: Tony Lindgren <tony@atomide.com>

[ Upstream commit 0b7cbe811ca524295ea43d9a4d73d3427e419c54 ]

We have started to get a bunch of pointless dmamask not set warnings
that makes the output of dmesg -l err,warn hard to read with many
extra warnings:

cpcap-regulator cpcap-regulator.0: DMA mask not set
cpcap_adc cpcap_adc.0: DMA mask not set
cpcap_battery cpcap_battery.0: DMA mask not set
cpcap-charger cpcap-charger.0: DMA mask not set
cpcap-pwrbutton cpcap-pwrbutton.0: DMA mask not set
cpcap-led cpcap-led.0: DMA mask not set
cpcap-led cpcap-led.1: DMA mask not set
cpcap-led cpcap-led.2: DMA mask not set
cpcap-led cpcap-led.3: DMA mask not set
cpcap-led cpcap-led.4: DMA mask not set
cpcap-rtc cpcap-rtc.0: DMA mask not set
cpcap-usb-phy cpcap-usb-phy.0: DMA mask not set

This seems to have started with commit 4d8bde883bfb ("OF: Don't set
default coherent DMA mask"). We have the parent SPI controller use
DMA, while CPCAP driver and it's children do not. For audio, the
DMA is handled over I2S bus with the McBSP driver.

Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Ivan Jelincic <parazyd@dyne.org>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Sicelo A. Mhlongo <absicsz@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mfd/motorola-cpcap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
index 30d82bfe5b02..6fb206da2729 100644
--- a/drivers/mfd/motorola-cpcap.c
+++ b/drivers/mfd/motorola-cpcap.c
@@ -327,6 +327,10 @@ static int cpcap_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
+	/* Parent SPI controller uses DMA, CPCAP and child devices do not */
+	spi->dev.coherent_dma_mask = 0;
+	spi->dev.dma_mask = &spi->dev.coherent_dma_mask;
+
 	return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices,
 				    ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL);
 }
-- 
2.30.2

[PATCH AUTOSEL 5.12 049/104] char: xillybus: Fix condition for invoking the xillybus/ subdirectory

[Sasha Levin]

From: Eli Billauer <eli.billauer@gmail.com>

[ Upstream commit 1b1ee3a91d21fdf7d415c1060db1a7a07ae296b6 ]

As Xillybus' configuration symbol hierarchy has been reorganized recently,
the correct condition for compiling the xillybus/ subdirectory is now
CONFIG_XILLYBUS_CLASS, and not CONFIG_XILLYBUS.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Link: https://lore.kernel.org/r/20210528092242.51104-1-eli.billauer@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/char/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index ffce287ef415..c7e4fc733a37 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -44,6 +44,6 @@ obj-$(CONFIG_TCG_TPM)		+= tpm/
 
 obj-$(CONFIG_PS3_FLASH)		+= ps3flash.o
 
-obj-$(CONFIG_XILLYBUS)		+= xillybus/
+obj-$(CONFIG_XILLYBUS_CLASS)	+= xillybus/
 obj-$(CONFIG_POWERNV_OP_PANEL)	+= powernv-op-panel.o
 obj-$(CONFIG_ADI)		+= adi.o
-- 
2.30.2

[PATCH AUTOSEL 5.12 050/104] ASoC: img: Fix PM reference leak in img_i2s_in_probe()

[Sasha Levin]

From: Yufen Yu <yuyufen@huawei.com>

[ Upstream commit 81aad47278539f02de808bcc8251fed0ad3d6f55 ]

pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Link: https://lore.kernel.org/r/20210524093521.612176-1-yuyufen@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/img/img-i2s-in.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/img/img-i2s-in.c b/sound/soc/img/img-i2s-in.c
index 0843235d73c9..fd3432a1d6ab 100644
--- a/sound/soc/img/img-i2s-in.c
+++ b/sound/soc/img/img-i2s-in.c
@@ -464,7 +464,7 @@ static int img_i2s_in_probe(struct platform_device *pdev)
 		if (ret)
 			goto err_pm_disable;
 	}
-	ret = pm_runtime_get_sync(&pdev->dev);
+	ret = pm_runtime_resume_and_get(&pdev->dev);
 	if (ret < 0)
 		goto err_suspend;
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 051/104] fsi: Add missing MODULE_DEVICE_TABLE

[Sasha Levin]

From: Zou Wei <zou_wei@huawei.com>

[ Upstream commit 19a52178125c1e8b84444d85f2ce34c0964b4a91 ]

This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1620896249-52769-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/fsi/fsi-master-aspeed.c | 1 +
 drivers/fsi/fsi-master-ast-cf.c | 1 +
 drivers/fsi/fsi-master-gpio.c   | 1 +
 drivers/fsi/fsi-occ.c           | 1 +
 4 files changed, 4 insertions(+)

diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c
index 90dbe58ca1ed..dbad73162c83 100644
--- a/drivers/fsi/fsi-master-aspeed.c
+++ b/drivers/fsi/fsi-master-aspeed.c
@@ -645,6 +645,7 @@ static const struct of_device_id fsi_master_aspeed_match[] = {
 	{ .compatible = "aspeed,ast2600-fsi-master" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, fsi_master_aspeed_match);
 
 static struct platform_driver fsi_master_aspeed_driver = {
 	.driver = {
diff --git a/drivers/fsi/fsi-master-ast-cf.c b/drivers/fsi/fsi-master-ast-cf.c
index 57a779a89b07..70c03e304d6c 100644
--- a/drivers/fsi/fsi-master-ast-cf.c
+++ b/drivers/fsi/fsi-master-ast-cf.c
@@ -1427,6 +1427,7 @@ static const struct of_device_id fsi_master_acf_match[] = {
 	{ .compatible = "aspeed,ast2500-cf-fsi-master" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, fsi_master_acf_match);
 
 static struct platform_driver fsi_master_acf = {
 	.driver = {
diff --git a/drivers/fsi/fsi-master-gpio.c b/drivers/fsi/fsi-master-gpio.c
index aa97c4a250cb..7d5f29b4b595 100644
--- a/drivers/fsi/fsi-master-gpio.c
+++ b/drivers/fsi/fsi-master-gpio.c
@@ -882,6 +882,7 @@ static const struct of_device_id fsi_master_gpio_match[] = {
 	{ .compatible = "fsi-master-gpio" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, fsi_master_gpio_match);
 
 static struct platform_driver fsi_master_gpio_driver = {
 	.driver = {
diff --git a/drivers/fsi/fsi-occ.c b/drivers/fsi/fsi-occ.c
index 10ca2e290655..f9a88083e5f3 100644
--- a/drivers/fsi/fsi-occ.c
+++ b/drivers/fsi/fsi-occ.c
@@ -635,6 +635,7 @@ static const struct of_device_id occ_match[] = {
 	},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, occ_match);
 
 static struct platform_driver occ_driver = {
 	.driver = {
-- 
2.30.2

[PATCH AUTOSEL 5.12 052/104] serial: tty: uartlite: fix console setup

[Sasha Levin]

From: Daniel Mack <daniel@zonque.org>

[ Upstream commit d157fca711ad42e75efef3444c83d2e1a17be27a ]

Remove the hack to assign the global console_port variable at probe time.
This assumption that cons->index is -1 is wrong for systems that specify
'console=' in the cmdline (or 'stdout-path' in dts). Hence, on such system
the actual console assignment is ignored, and the first UART that happens
to be probed is used as console instead.

Move the logic to console_setup() and map the console to the correct port
through the array of available ports instead.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Link: https://lore.kernel.org/r/20210528133321.1859346-1-daniel@zonque.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/uartlite.c | 27 ++++++---------------------
 1 file changed, 6 insertions(+), 21 deletions(-)

diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index f42ccc40ffa6..a5f15f22d9ef 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -505,21 +505,23 @@ static void ulite_console_write(struct console *co, const char *s,
 
 static int ulite_console_setup(struct console *co, char *options)
 {
-	struct uart_port *port;
+	struct uart_port *port = NULL;
 	int baud = 9600;
 	int bits = 8;
 	int parity = 'n';
 	int flow = 'n';
 
-
-	port = console_port;
+	if (co->index >= 0 && co->index < ULITE_NR_UARTS)
+		port = ulite_ports + co->index;
 
 	/* Has the device been initialized yet? */
-	if (!port->mapbase) {
+	if (!port || !port->mapbase) {
 		pr_debug("console on ttyUL%i not present\n", co->index);
 		return -ENODEV;
 	}
 
+	console_port = port;
+
 	/* not initialized yet? */
 	if (!port->membase) {
 		if (ulite_request_port(port))
@@ -655,17 +657,6 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq,
 
 	dev_set_drvdata(dev, port);
 
-#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
-	/*
-	 * If console hasn't been found yet try to assign this port
-	 * because it is required to be assigned for console setup function.
-	 * If register_console() don't assign value, then console_port pointer
-	 * is cleanup.
-	 */
-	if (ulite_uart_driver.cons->index == -1)
-		console_port = port;
-#endif
-
 	/* Register the port */
 	rc = uart_add_one_port(&ulite_uart_driver, port);
 	if (rc) {
@@ -675,12 +666,6 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq,
 		return rc;
 	}
 
-#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
-	/* This is not port which is used for console that's why clean it up */
-	if (ulite_uart_driver.cons->index == -1)
-		console_port = NULL;
-#endif
-
 	return 0;
 }
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 053/104] s390/sclp_vt220: fix console name to match device

[Sasha Levin]

From: Valentin Vidic <vvidic@valentin-vidic.from.hr>

[ Upstream commit b7d91d230a119fdcc334d10c9889ce9c5e15118b ]

Console name reported in /proc/consoles:

  ttyS1                -W- (EC p  )    4:65

does not match the char device name:

  crw--w----    1 root     root        4,  65 May 17 12:18 /dev/ttysclp0

so debian-installer inside a QEMU s390x instance gets confused and fails
to start with the following error:

  steal-ctty: No such file or directory

Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Link: https://lore.kernel.org/r/20210427194010.9330-1-vvidic@valentin-vidic.from.hr
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/kernel/setup.c       | 2 +-
 drivers/s390/char/sclp_vt220.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 5aab59ad5688..248d134a0592 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -165,7 +165,7 @@ static void __init set_preferred_console(void)
 	else if (CONSOLE_IS_3270)
 		add_preferred_console("tty3270", 0, NULL);
 	else if (CONSOLE_IS_VT220)
-		add_preferred_console("ttyS", 1, NULL);
+		add_preferred_console("ttysclp", 0, NULL);
 	else if (CONSOLE_IS_HVC)
 		add_preferred_console("hvc", 0, NULL);
 }
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 047f812d1a1c..71ed1bf15598 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -35,8 +35,8 @@
 #define SCLP_VT220_MINOR		65
 #define SCLP_VT220_DRIVER_NAME		"sclp_vt220"
 #define SCLP_VT220_DEVICE_NAME		"ttysclp"
-#define SCLP_VT220_CONSOLE_NAME		"ttyS"
-#define SCLP_VT220_CONSOLE_INDEX	1	/* console=ttyS1 */
+#define SCLP_VT220_CONSOLE_NAME		"ttysclp"
+#define SCLP_VT220_CONSOLE_INDEX	0	/* console=ttysclp0 */
 
 /* Representation of a single write request */
 struct sclp_vt220_request {
-- 
2.30.2

[PATCH AUTOSEL 5.12 054/104] s390: disable SSP when needed

[Sasha Levin]

From: Fabrice Fontaine <fontaine.fabrice@gmail.com>

[ Upstream commit 42e8d652438f5ddf04e5dac299cb5e623d113dc0 ]

Though -nostdlib is passed in PURGATORY_LDFLAGS and -ffreestanding in
KBUILD_CFLAGS_DECOMPRESSOR, -fno-stack-protector must also be passed to
avoid linking errors related to undefined references to
'__stack_chk_guard' and '__stack_chk_fail' if toolchain enforces
-fstack-protector.

Fixes
 - https://gitlab.com/kubu93/buildroot/-/jobs/1247043361

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Reviewed-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Tested-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Link: https://lore.kernel.org/r/20210510053133.1220167-1-fontaine.fabrice@gmail.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/Makefile           | 1 +
 arch/s390/purgatory/Makefile | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index e443ed9947bd..098abe3a56f3 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -28,6 +28,7 @@ KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
 KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float -mbackchain
 KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
 KBUILD_CFLAGS_DECOMPRESSOR += -ffreestanding
+KBUILD_CFLAGS_DECOMPRESSOR += -fno-stack-protector
 KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-member)
 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
index c57f8c40e992..21c4ebe29b9a 100644
--- a/arch/s390/purgatory/Makefile
+++ b/arch/s390/purgatory/Makefile
@@ -24,6 +24,7 @@ KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes
 KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare
 KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding
 KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common
+KBUILD_CFLAGS += -fno-stack-protector
 KBUILD_CFLAGS += $(CLANG_FLAGS)
 KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
 KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS))
-- 
2.30.2

[PATCH AUTOSEL 5.12 055/104] selftests: timers: rtcpie: skip test if default RTC device does not exist

[Sasha Levin]

From: Po-Hsu Lin <po-hsu.lin@canonical.com>

[ Upstream commit 0d3e5a057992bdc66e4dca2ca50b77fa4a7bd90e ]

This test will require /dev/rtc0, the default RTC device, or one
specified by user to run. Since this default RTC is not guaranteed to
exist on all of the devices, so check its existence first, otherwise
skip this test with the kselftest skip code 4.

Without this patch this test will fail like this on a s390x zVM:
$ selftests: timers: rtcpie
$ /dev/rtc0: No such file or directory
not ok 1 selftests: timers: rtcpie # exit=22

With this patch:
$ selftests: timers: rtcpie
$ Default RTC /dev/rtc0 does not exist. Test Skipped!
not ok 9 selftests: timers: rtcpie # SKIP

Fixed up change log so "With this patch" text doesn't get dropped.
Shuah Khan <skhan@linuxfoundation.org>

Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/testing/selftests/timers/rtcpie.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/timers/rtcpie.c b/tools/testing/selftests/timers/rtcpie.c
index 47b5bad1b393..4ef2184f1558 100644
--- a/tools/testing/selftests/timers/rtcpie.c
+++ b/tools/testing/selftests/timers/rtcpie.c
@@ -18,6 +18,8 @@
 #include <stdlib.h>
 #include <errno.h>
 
+#include "../kselftest.h"
+
 /*
  * This expects the new RTC class driver framework, working with
  * clocks that will often not be clones of what the PC-AT had.
@@ -35,8 +37,14 @@ int main(int argc, char **argv)
 	switch (argc) {
 	case 2:
 		rtc = argv[1];
-		/* FALLTHROUGH */
+		break;
 	case 1:
+		fd = open(default_rtc, O_RDONLY);
+		if (fd == -1) {
+			printf("Default RTC %s does not exist. Test Skipped!\n", default_rtc);
+			exit(KSFT_SKIP);
+		}
+		close(fd);
 		break;
 	default:
 		fprintf(stderr, "usage:  rtctest [rtcdev] [d]\n");
-- 
2.30.2

[PATCH AUTOSEL 5.12 056/104] iommu/arm-smmu-qcom: Skip the TTBR1 quirk for db820c.

[Sasha Levin]

From: Eric Anholt <eric@anholt.net>

[ Upstream commit a242f4297cfe3f4589a7620dcd42cc503607fc6b ]

db820c wants to use the qcom smmu path to get HUPCF set (which keeps
the GPU from wedging and then sometimes wedging the kernel after a
page fault), but it doesn't have separate pagetables support yet in
drm/msm so we can't go all the way to the TTBR1 path.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210326231303.3071950-1-eric@anholt.net
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 98b3a1c2a181..44a427833385 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -130,6 +130,16 @@ static int qcom_adreno_smmu_alloc_context_bank(struct arm_smmu_domain *smmu_doma
 	return __arm_smmu_alloc_bitmap(smmu->context_map, start, count);
 }
 
+static bool qcom_adreno_can_do_ttbr1(struct arm_smmu_device *smmu)
+{
+	const struct device_node *np = smmu->dev->of_node;
+
+	if (of_device_is_compatible(np, "qcom,msm8996-smmu-v2"))
+		return false;
+
+	return true;
+}
+
 static int qcom_adreno_smmu_init_context(struct arm_smmu_domain *smmu_domain,
 		struct io_pgtable_cfg *pgtbl_cfg, struct device *dev)
 {
@@ -144,7 +154,8 @@ static int qcom_adreno_smmu_init_context(struct arm_smmu_domain *smmu_domain,
 	 * be AARCH64 stage 1 but double check because the arm-smmu code assumes
 	 * that is the case when the TTBR1 quirk is enabled
 	 */
-	if ((smmu_domain->stage == ARM_SMMU_DOMAIN_S1) &&
+	if (qcom_adreno_can_do_ttbr1(smmu_domain->smmu) &&
+	    (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) &&
 	    (smmu_domain->cfg.fmt == ARM_SMMU_CTX_FMT_AARCH64))
 		pgtbl_cfg->quirks |= IO_PGTABLE_QUIRK_ARM_TTBR1;
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 057/104] USB: core: Avoid WARNings for 0-length descriptor requests

[Sasha Levin]

From: Alan Stern <stern@rowland.harvard.edu>

[ Upstream commit 60dfe484cef45293e631b3a6e8995f1689818172 ]

The USB core has utility routines to retrieve various types of
descriptors.  These routines will now provoke a WARN if they are asked
to retrieve 0 bytes (USB "receive" requests must not have zero
length), so avert this by checking the size argument at the start.

CC: Johan Hovold <johan@kernel.org>
Reported-and-tested-by: syzbot+7dbcd9ff34dc4ed45240@syzkaller.appspotmail.com
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20210607152307.GD1768031@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/core/message.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 30e9e680c74c..4d59d927ae3e 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -783,6 +783,9 @@ int usb_get_descriptor(struct usb_device *dev, unsigned char type,
 	int i;
 	int result;
 
+	if (size <= 0)		/* No point in asking for no data */
+		return -EINVAL;
+
 	memset(buf, 0, size);	/* Make sure we parse really received data */
 
 	for (i = 0; i < 3; ++i) {
@@ -832,6 +835,9 @@ static int usb_get_string(struct usb_device *dev, unsigned short langid,
 	int i;
 	int result;
 
+	if (size <= 0)		/* No point in asking for no data */
+		return -EINVAL;
+
 	for (i = 0; i < 3; ++i) {
 		/* retry on length 0 or stall; some devices are flakey */
 		result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
-- 
2.30.2

[PATCH AUTOSEL 5.12 058/104] ALSA: sb: Fix potential double-free of CSP mixer elements

[Sasha Levin]

From: Takashi Iwai <tiwai@suse.de>

[ Upstream commit c305366a37441c2ac90b08711cb6f032b43672f2 ]

snd_sb_qsound_destroy() contains the calls of removing the previously
created mixer controls, but it doesn't clear the pointers.  As
snd_sb_qsound_destroy() itself may be repeatedly called via ioctl,
this could lead to double-free potentially.

Fix it by clearing the struct fields properly afterwards.

Link: https://lore.kernel.org/r/20210608140540.17885-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/isa/sb/sb16_csp.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c
index 4789345a8fdd..c98ccd421a2e 100644
--- a/sound/isa/sb/sb16_csp.c
+++ b/sound/isa/sb/sb16_csp.c
@@ -1072,10 +1072,14 @@ static void snd_sb_qsound_destroy(struct snd_sb_csp * p)
 	card = p->chip->card;	
 	
 	down_write(&card->controls_rwsem);
-	if (p->qsound_switch)
+	if (p->qsound_switch) {
 		snd_ctl_remove(card, p->qsound_switch);
-	if (p->qsound_space)
+		p->qsound_switch = NULL;
+	}
+	if (p->qsound_space) {
 		snd_ctl_remove(card, p->qsound_space);
+		p->qsound_space = NULL;
+	}
 	up_write(&card->controls_rwsem);
 
 	/* cancel pending transfer of QSound parameters */
-- 
2.30.2

[PATCH AUTOSEL 5.12 059/104] powerpc/ps3: Add dma_mask to ps3_dma_region

[Sasha Levin]

From: Geoff Levand <geoff@infradead.org>

[ Upstream commit 9733862e50fdba55e7f1554e4286fcc5302ff28e ]

Commit f959dcd6ddfd29235030e8026471ac1b022ad2b0 (dma-direct: Fix
potential NULL pointer dereference) added a null check on the
dma_mask pointer of the kernel's device structure.

Add a dma_mask variable to the ps3_dma_region structure and set
the device structure's dma_mask pointer to point to this new variable.

Fixes runtime errors like these:
# WARNING: Fixes tag on line 10 doesn't match correct format
# WARNING: Fixes tag on line 10 doesn't match correct format

  ps3_system_bus_match:349: dev=8.0(sb_01), drv=8.0(ps3flash): match
  WARNING: CPU: 0 PID: 1 at kernel/dma/mapping.c:151 .dma_map_page_attrs+0x34/0x1e0
  ps3flash sb_01: ps3stor_setup:193: map DMA region failed

Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/562d0c9ea0100a30c3b186bcc7adb34b0bbd2cd7.1622746428.git.geoff@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/include/asm/ps3.h  |  2 ++
 arch/powerpc/platforms/ps3/mm.c | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/arch/powerpc/include/asm/ps3.h b/arch/powerpc/include/asm/ps3.h
index e646c7f218bc..12b6b76e8d0f 100644
--- a/arch/powerpc/include/asm/ps3.h
+++ b/arch/powerpc/include/asm/ps3.h
@@ -71,6 +71,7 @@ struct ps3_dma_region_ops;
  * @bus_addr: The 'translated' bus address of the region.
  * @len: The length in bytes of the region.
  * @offset: The offset from the start of memory of the region.
+ * @dma_mask: Device dma_mask.
  * @ioid: The IOID of the device who owns this region
  * @chunk_list: Opaque variable used by the ioc page manager.
  * @region_ops: struct ps3_dma_region_ops - dma region operations
@@ -85,6 +86,7 @@ struct ps3_dma_region {
 	enum ps3_dma_region_type region_type;
 	unsigned long len;
 	unsigned long offset;
+	u64 dma_mask;
 
 	/* driver variables  (set by ps3_dma_region_create) */
 	unsigned long bus_addr;
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index d094321964fb..a81eac35d900 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -6,6 +6,7 @@
  *  Copyright 2006 Sony Corp.
  */
 
+#include <linux/dma-mapping.h>
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <linux/memblock.h>
@@ -1118,6 +1119,7 @@ int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 	enum ps3_dma_region_type region_type, void *addr, unsigned long len)
 {
 	unsigned long lpar_addr;
+	int result;
 
 	lpar_addr = addr ? ps3_mm_phys_to_lpar(__pa(addr)) : 0;
 
@@ -1129,6 +1131,16 @@ int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 		r->offset -= map.r1.offset;
 	r->len = len ? len : ALIGN(map.total, 1 << r->page_size);
 
+	dev->core.dma_mask = &r->dma_mask;
+
+	result = dma_set_mask_and_coherent(&dev->core, DMA_BIT_MASK(32));
+
+	if (result < 0) {
+		dev_err(&dev->core, "%s:%d: dma_set_mask_and_coherent failed: %d\n",
+			__func__, __LINE__, result);
+		return result;
+	}
+
 	switch (dev->dev_type) {
 	case PS3_DEVICE_TYPE_SB:
 		r->region_ops =  (USE_DYNAMIC_DMA)
-- 
2.30.2

[PATCH AUTOSEL 5.12 060/104] iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails

[Sasha Levin]

From: Xiyu Yang <xiyuyang19@fudan.edu.cn>

[ Upstream commit 1adf30f198c26539a62d761e45af72cde570413d ]

arm_smmu_rpm_get() invokes pm_runtime_get_sync(), which increases the
refcount of the "smmu" even though the return value is less than 0.

The reference counting issue happens in some error handling paths of
arm_smmu_rpm_get() in its caller functions. When arm_smmu_rpm_get()
fails, the caller functions forget to decrease the refcount of "smmu"
increased by arm_smmu_rpm_get(), causing a refcount leak.

Fix this issue by calling pm_runtime_resume_and_get() instead of
pm_runtime_get_sync() in arm_smmu_rpm_get(), which can keep the refcount
balanced in case of failure.

Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Link: https://lore.kernel.org/r/1623293672-17954-1-git-send-email-xiyuyang19@fudan.edu.cn
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/arm/arm-smmu/arm-smmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index d8c6bfde6a61..128c2c87b4e5 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -74,7 +74,7 @@ static bool using_legacy_binding, using_generic_binding;
 static inline int arm_smmu_rpm_get(struct arm_smmu_device *smmu)
 {
 	if (pm_runtime_enabled(smmu->dev))
-		return pm_runtime_get_sync(smmu->dev);
+		return pm_runtime_resume_and_get(smmu->dev);
 
 	return 0;
 }
-- 
2.30.2

[PATCH AUTOSEL 5.12 061/104] iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation

[Sasha Levin]

From: Xiyu Yang <xiyuyang19@fudan.edu.cn>

[ Upstream commit 7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554 ]

The reference counting issue happens in several exception handling paths
of arm_smmu_iova_to_phys_hard(). When those error scenarios occur, the
function forgets to decrease the refcount of "smmu" increased by
arm_smmu_rpm_get(), causing a refcount leak.

Fix this issue by jumping to "out" label when those error scenarios
occur.

Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/1623293391-17261-1-git-send-email-xiyuyang19@fudan.edu.cn
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/arm/arm-smmu/arm-smmu.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 128c2c87b4e5..c6ff32797a23 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -1268,6 +1268,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain,
 	u64 phys;
 	unsigned long va, flags;
 	int ret, idx = cfg->cbndx;
+	phys_addr_t addr = 0;
 
 	ret = arm_smmu_rpm_get(smmu);
 	if (ret < 0)
@@ -1287,6 +1288,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain,
 		dev_err(dev,
 			"iova to phys timed out on %pad. Falling back to software table walk.\n",
 			&iova);
+		arm_smmu_rpm_put(smmu);
 		return ops->iova_to_phys(ops, iova);
 	}
 
@@ -1295,12 +1297,14 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain,
 	if (phys & ARM_SMMU_CB_PAR_F) {
 		dev_err(dev, "translation fault!\n");
 		dev_err(dev, "PAR = 0x%llx\n", phys);
-		return 0;
+		goto out;
 	}
 
+	addr = (phys & GENMASK_ULL(39, 12)) | (iova & 0xfff);
+out:
 	arm_smmu_rpm_put(smmu);
 
-	return (phys & GENMASK_ULL(39, 12)) | (iova & 0xfff);
+	return addr;
 }
 
 static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain,
-- 
2.30.2

[PATCH AUTOSEL 5.12 062/104] ALSA: n64: check return value after calling platform_get_resource()

[Sasha Levin]

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit be471fe332f7f14aa6828010b220d7e6902b91a0 ]

It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210610124958.116142-1-yangyingliang@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/mips/snd-n64.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/mips/snd-n64.c b/sound/mips/snd-n64.c
index e35e93157755..463a6fe589eb 100644
--- a/sound/mips/snd-n64.c
+++ b/sound/mips/snd-n64.c
@@ -338,6 +338,10 @@ static int __init n64audio_probe(struct platform_device *pdev)
 	strcpy(card->longname, "N64 Audio");
 
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res) {
+		err = -EINVAL;
+		goto fail_dma_alloc;
+	}
 	if (devm_request_irq(&pdev->dev, res->start, n64audio_isr,
 				IRQF_SHARED, "N64 Audio", priv)) {
 		err = -EBUSY;
-- 
2.30.2

[PATCH AUTOSEL 5.12 063/104] ASoC: soc-pcm: fix the return value in dpcm_apply_symmetry()

[Sasha Levin]

From: Jaroslav Kysela <perex@perex.cz>

[ Upstream commit 12ffd726824a2f52486f72338b6fd3244b512959 ]

In case, where the loops are not executed for a reason, the uninitialized
variable 'err' is returned to the caller. Make code fully predictible
and assign zero in the declaration.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Cc: Mark Brown <broonie@kernel.org>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20210614071746.1787072-1-perex@perex.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/soc-pcm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 14d85ca1e435..4a25a1e39831 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1695,7 +1695,7 @@ static int dpcm_apply_symmetry(struct snd_pcm_substream *fe_substream,
 	struct snd_soc_dpcm *dpcm;
 	struct snd_soc_pcm_runtime *fe = asoc_substream_to_rtd(fe_substream);
 	struct snd_soc_dai *fe_cpu_dai;
-	int err;
+	int err = 0;
 	int i;
 
 	/* apply symmetry for FE */
-- 
2.30.2

[PATCH AUTOSEL 5.12 064/104] gpio: zynq: Check return value of pm_runtime_get_sync

[Sasha Levin]

From: Srinivas Neeli <srinivas.neeli@xilinx.com>

[ Upstream commit a51b2fb94b04ab71e53a71b9fad03fa826941254 ]

Return value of "pm_runtime_get_sync" API was neither captured nor checked.
Fixed it by capturing the return value and then checking for any warning.

Addresses-Coverity: "check_return"
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpio/gpio-zynq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 3521c1dc3ac0..fb8684d70fe3 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -1001,8 +1001,11 @@ static int zynq_gpio_probe(struct platform_device *pdev)
 static int zynq_gpio_remove(struct platform_device *pdev)
 {
 	struct zynq_gpio *gpio = platform_get_drvdata(pdev);
+	int ret;
 
-	pm_runtime_get_sync(&pdev->dev);
+	ret = pm_runtime_get_sync(&pdev->dev);
+	if (ret < 0)
+		dev_warn(&pdev->dev, "pm_runtime_get_sync() Failed\n");
 	gpiochip_remove(&gpio->chip);
 	clk_disable_unprepare(gpio->clk);
 	device_set_wakeup_capable(&pdev->dev, 0);
-- 
2.30.2

[PATCH AUTOSEL 5.12 065/104] gpio: zynq: Check return value of irq_get_irq_data

[Sasha Levin]

From: Srinivas Neeli <srinivas.neeli@xilinx.com>

[ Upstream commit 35d7b72a632bc7afb15356f44005554af8697904 ]

In two different instances the return value of "irq_get_irq_data"
API was neither captured nor checked.
Fixed it by capturing the return value and then checking for any error.

Addresses-Coverity: "returned_null"
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpio/gpio-zynq.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index fb8684d70fe3..c288a7502de2 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -736,6 +736,11 @@ static int __maybe_unused zynq_gpio_suspend(struct device *dev)
 	struct zynq_gpio *gpio = dev_get_drvdata(dev);
 	struct irq_data *data = irq_get_irq_data(gpio->irq);
 
+	if (!data) {
+		dev_err(dev, "irq_get_irq_data() failed\n");
+		return -EINVAL;
+	}
+
 	if (!device_may_wakeup(dev))
 		disable_irq(gpio->irq);
 
@@ -753,6 +758,11 @@ static int __maybe_unused zynq_gpio_resume(struct device *dev)
 	struct irq_data *data = irq_get_irq_data(gpio->irq);
 	int ret;
 
+	if (!data) {
+		dev_err(dev, "irq_get_irq_data() failed\n");
+		return -EINVAL;
+	}
+
 	if (!device_may_wakeup(dev))
 		enable_irq(gpio->irq);
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 066/104] scsi: storvsc: Correctly handle multiple flags in srb_status

[Sasha Levin]

From: Michael Kelley <mikelley@microsoft.com>

[ Upstream commit 52e1b3b3daa9d53f0204bf474ee1d4b1beb38234 ]

Hyper-V is observed to sometimes set multiple flags in the srb_status, such
as ABORTED and ERROR. Current code in storvsc_handle_error() handles only a
single flag being set, and does nothing when multiple flags are set.  Fix
this by changing the case statement into a series of "if" statements
testing individual flags. The functionality for handling each flag is
unchanged.

Link: https://lore.kernel.org/r/1622827263-12516-3-git-send-email-mikelley@microsoft.com
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/storvsc_drv.c | 61 +++++++++++++++++++++-----------------
 1 file changed, 33 insertions(+), 28 deletions(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 6bc5453cea8a..181d7b372fd0 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1005,17 +1005,40 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
 	struct storvsc_scan_work *wrk;
 	void (*process_err_fn)(struct work_struct *work);
 	struct hv_host_device *host_dev = shost_priv(host);
-	bool do_work = false;
 
-	switch (SRB_STATUS(vm_srb->srb_status)) {
-	case SRB_STATUS_ERROR:
+	/*
+	 * In some situations, Hyper-V sets multiple bits in the
+	 * srb_status, such as ABORTED and ERROR. So process them
+	 * individually, with the most specific bits first.
+	 */
+
+	if (vm_srb->srb_status & SRB_STATUS_INVALID_LUN) {
+		set_host_byte(scmnd, DID_NO_CONNECT);
+		process_err_fn = storvsc_remove_lun;
+		goto do_work;
+	}
+
+	if (vm_srb->srb_status & SRB_STATUS_ABORTED) {
+		if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID &&
+		    /* Capacity data has changed */
+		    (asc == 0x2a) && (ascq == 0x9)) {
+			process_err_fn = storvsc_device_scan;
+			/*
+			 * Retry the I/O that triggered this.
+			 */
+			set_host_byte(scmnd, DID_REQUEUE);
+			goto do_work;
+		}
+	}
+
+	if (vm_srb->srb_status & SRB_STATUS_ERROR) {
 		/*
 		 * Let upper layer deal with error when
 		 * sense message is present.
 		 */
-
 		if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID)
-			break;
+			return;
+
 		/*
 		 * If there is an error; offline the device since all
 		 * error recovery strategies would have already been
@@ -1028,37 +1051,19 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
 			set_host_byte(scmnd, DID_PASSTHROUGH);
 			break;
 		/*
-		 * On Some Windows hosts TEST_UNIT_READY command can return
-		 * SRB_STATUS_ERROR, let the upper level code deal with it
-		 * based on the sense information.
+		 * On some Hyper-V hosts TEST_UNIT_READY command can
+		 * return SRB_STATUS_ERROR. Let the upper level code
+		 * deal with it based on the sense information.
 		 */
 		case TEST_UNIT_READY:
 			break;
 		default:
 			set_host_byte(scmnd, DID_ERROR);
 		}
-		break;
-	case SRB_STATUS_INVALID_LUN:
-		set_host_byte(scmnd, DID_NO_CONNECT);
-		do_work = true;
-		process_err_fn = storvsc_remove_lun;
-		break;
-	case SRB_STATUS_ABORTED:
-		if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID &&
-		    (asc == 0x2a) && (ascq == 0x9)) {
-			do_work = true;
-			process_err_fn = storvsc_device_scan;
-			/*
-			 * Retry the I/O that triggered this.
-			 */
-			set_host_byte(scmnd, DID_REQUEUE);
-		}
-		break;
 	}
+	return;
 
-	if (!do_work)
-		return;
-
+do_work:
 	/*
 	 * We need to schedule work to process this error; schedule it.
 	 */
-- 
2.30.2

[PATCH AUTOSEL 5.12 067/104] ALSA: ppc: fix error return code in snd_pmac_probe()

[Sasha Levin]

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit 80b9c1be567c3c6bbe0d4b290af578e630485b5d ]

If snd_pmac_tumbler_init() or snd_pmac_tumbler_post_init() fails,
snd_pmac_probe() need return error code.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210616021121.1991502-1-yangyingliang@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/ppc/powermac.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sound/ppc/powermac.c b/sound/ppc/powermac.c
index 9fb51ebafde1..8088f77d5a74 100644
--- a/sound/ppc/powermac.c
+++ b/sound/ppc/powermac.c
@@ -76,7 +76,11 @@ static int snd_pmac_probe(struct platform_device *devptr)
 		sprintf(card->shortname, "PowerMac %s", name_ext);
 		sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
 			card->shortname, chip->device_id, chip->subframe);
-		if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0)
+		err = snd_pmac_tumbler_init(chip);
+		if (err < 0)
+			goto __error;
+		err = snd_pmac_tumbler_post_init();
+		if (err < 0)
 			goto __error;
 		break;
 	case PMAC_AWACS:
-- 
2.30.2

[PATCH AUTOSEL 5.12 068/104] selftests/powerpc: Fix "no_handler" EBB selftest

[Sasha Levin]

From: Athira Rajeev <atrajeev@linux.vnet.ibm.com>

[ Upstream commit 45677c9aebe926192e59475b35a1ff35ff2d4217 ]

The "no_handler_test" in ebb selftests attempts to read the PMU
registers twice via helper function "dump_ebb_state". First dump is
just before closing of event and the second invocation is done after
closing of the event. The original intention of second
dump_ebb_state was to dump the state of registers at the end of
the test when the counters are frozen. But this will be achieved
with the first call itself since sample period is set to low value
and PMU will be frozen by then. Hence patch removes the
dump which was done before closing of the event.

Reported-by: Shirisha Ganta <shirisha.ganta1@ibm.com>
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Tested-by: Nageswara R Sastry <rnsastry@linux.ibm.com <mailto:rnsastry@linux.ibm.com>>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1621950703-1532-2-git-send-email-atrajeev@linux.vnet.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
index fc5bf4870d8e..01e827c31169 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
@@ -50,8 +50,6 @@ static int no_handler_test(void)
 
 	event_close(&event);
 
-	dump_ebb_state();
-
 	/* The real test is that we never took an EBB at 0x0 */
 
 	return 0;
-- 
2.30.2

[PATCH AUTOSEL 5.12 069/104] gpio: pca953x: Add support for the On Semi pca9655

[Sasha Levin]

From: Peter Robinson <pbrobinson@gmail.com>

[ Upstream commit 6d49b3a0f351925b5ea5047166c112b7590b918a ]

The On Semi pca9655 is a 16 bit variant of the On Semi pca9654 GPIO
expander, with 16 GPIOs and interrupt functionality.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
[Bartosz: fixed indentation as noted by Andy]
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpio/gpio-pca953x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index c91d05651596..f5cfc0698799 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -1241,6 +1241,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
 
 	{ .compatible = "onnn,cat9554", .data = OF_953X( 8, PCA_INT), },
 	{ .compatible = "onnn,pca9654", .data = OF_953X( 8, PCA_INT), },
+	{ .compatible = "onnn,pca9655", .data = OF_953X(16, PCA_INT), },
 
 	{ .compatible = "exar,xra1202", .data = OF_953X( 8, 0), },
 	{ }
-- 
2.30.2

[PATCH AUTOSEL 5.12 070/104] powerpc/mm/book3s64: Fix possible build error

[Sasha Levin]

From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>

[ Upstream commit 07d8ad6fd8a3d47f50595ca4826f41dbf4f3a0c6 ]

Update _tlbiel_pid() such that we can avoid build errors like below when
using this function in other places.

arch/powerpc/mm/book3s64/radix_tlb.c: In function ‘__radix__flush_tlb_range_psize’:
arch/powerpc/mm/book3s64/radix_tlb.c:114:2: warning: ‘asm’ operand 3 probably does not match constraints
  114 |  asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1)
      |  ^~~
arch/powerpc/mm/book3s64/radix_tlb.c:114:2: error: impossible constraint in ‘asm’
make[4]: *** [scripts/Makefile.build:271: arch/powerpc/mm/book3s64/radix_tlb.o] Error 1
m

With this fix, we can also drop the __always_inline in __radix_flush_tlb_range_psize
which was added by commit e12d6d7d46a6 ("powerpc/mm/radix: mark __radix__flush_tlb_range_psize() as __always_inline")

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210610083639.387365-1-aneesh.kumar@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/mm/book3s64/radix_tlb.c | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c
index 409e61210789..817a02ef6032 100644
--- a/arch/powerpc/mm/book3s64/radix_tlb.c
+++ b/arch/powerpc/mm/book3s64/radix_tlb.c
@@ -291,22 +291,30 @@ static inline void fixup_tlbie_lpid(unsigned long lpid)
 /*
  * We use 128 set in radix mode and 256 set in hpt mode.
  */
-static __always_inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
+static inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
 {
 	int set;
 
 	asm volatile("ptesync": : :"memory");
 
-	/*
-	 * Flush the first set of the TLB, and if we're doing a RIC_FLUSH_ALL,
-	 * also flush the entire Page Walk Cache.
-	 */
-	__tlbiel_pid(pid, 0, ric);
+	switch (ric) {
+	case RIC_FLUSH_PWC:
 
-	/* For PWC, only one flush is needed */
-	if (ric == RIC_FLUSH_PWC) {
+		/* For PWC, only one flush is needed */
+		__tlbiel_pid(pid, 0, RIC_FLUSH_PWC);
 		ppc_after_tlbiel_barrier();
 		return;
+	case RIC_FLUSH_TLB:
+		__tlbiel_pid(pid, 0, RIC_FLUSH_TLB);
+		break;
+	case RIC_FLUSH_ALL:
+	default:
+		/*
+		 * Flush the first set of the TLB, and if
+		 * we're doing a RIC_FLUSH_ALL, also flush
+		 * the entire Page Walk Cache.
+		 */
+		__tlbiel_pid(pid, 0, RIC_FLUSH_ALL);
 	}
 
 	if (!cpu_has_feature(CPU_FTR_ARCH_31)) {
@@ -1176,7 +1184,7 @@ void radix__tlb_flush(struct mmu_gather *tlb)
 	}
 }
 
-static __always_inline void __radix__flush_tlb_range_psize(struct mm_struct *mm,
+static void __radix__flush_tlb_range_psize(struct mm_struct *mm,
 				unsigned long start, unsigned long end,
 				int psize, bool also_pwc)
 {
-- 
2.30.2

[PATCH AUTOSEL 5.12 071/104] ASoC: soc-core: Fix the error return code in snd_soc_of_parse_audio_routing()

[Sasha Levin]

From: Zhen Lei <thunder.leizhen@huawei.com>

[ Upstream commit 7d3865a10b9ff2669c531d5ddd60bf46b3d48f1e ]

When devm_kcalloc() fails, the error code -ENOMEM should be returned
instead of -EINVAL.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210617103729.1918-1-thunder.leizhen@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/soc-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 6680c12716d4..6d4b08e918de 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2796,7 +2796,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
 	if (!routes) {
 		dev_err(card->dev,
 			"ASoC: Could not allocate DAPM route table\n");
-		return -EINVAL;
+		return -ENOMEM;
 	}
 
 	for (i = 0; i < num_routes; i++) {
-- 
2.30.2

[PATCH AUTOSEL 5.12 072/104] xhci: handle failed buffer copy to URB sg list and fix a W=1 copiler warning

[Sasha Levin]

From: Mathias Nyman <mathias.nyman@linux.intel.com>

[ Upstream commit 271a21d8b280b186f8cc9ca6f7151902efde9512 ]

Set the urb->actual_length to bytes successfully copied in case all bytes
weren't copied from a temporary buffer to the URB sg list.
Also print a debug message

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210617150354.1512157-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/host/xhci.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 0d2f1c37ab74..73cdaa3f3067 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1362,12 +1362,17 @@ static void xhci_unmap_temp_buf(struct usb_hcd *hcd, struct urb *urb)
 				 urb->transfer_buffer_length,
 				 dir);
 
-	if (usb_urb_dir_in(urb))
+	if (usb_urb_dir_in(urb)) {
 		len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs,
 					   urb->transfer_buffer,
 					   buf_len,
 					   0);
-
+		if (len != buf_len) {
+			xhci_dbg(hcd_to_xhci(hcd),
+				 "Copy from tmp buf to urb sg list failed\n");
+			urb->actual_length = len;
+		}
+	}
 	urb->transfer_flags &= ~URB_DMA_MAP_SINGLE;
 	kfree(urb->transfer_buffer);
 	urb->transfer_buffer = NULL;
-- 
2.30.2

[PATCH AUTOSEL 5.12 073/104] habanalabs/gaudi: set the correct cpu_id on MME2_QM failure

[Sasha Levin]

From: Koby Elbaz <kelbaz@habana.ai>

[ Upstream commit b92c637c5f5ef7e3e21dbc7bfa7f1999450f3902 ]

This fix was applied since there was an incorrect reported CPU ID to GIC
such that an error in MME2 QMAN aliased to be an arriving from DMA0_QM.

Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index ecdedd87f8cc..a03f13aa47f8 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -2801,7 +2801,7 @@ static void gaudi_init_mme_qman(struct hl_device *hdev, u32 mme_offset,
 
 		/* Configure RAZWI IRQ */
 		mme_id = mme_offset /
-				(mmMME1_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0);
+				(mmMME1_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0) / 2;
 
 		mme_qm_err_cfg = MME_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
 		if (hdev->stop_on_err) {
-- 
2.30.2

[PATCH AUTOSEL 5.12 074/104] habanalabs: fix mask to obtain page offset

[Sasha Levin]

From: Ohad Sharabi <osharabi@habana.ai>

[ Upstream commit 0f37510ca34848718db1003479bb4671e8f3c112 ]

When converting virtual address to physical we need to add correct
offset to the physical page.

For this we need to use mask that include ALL bits of page offset.

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/habanalabs/common/mmu/mmu.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/misc/habanalabs/common/mmu/mmu.c b/drivers/misc/habanalabs/common/mmu/mmu.c
index 93c9e5f587e1..86dfa7c41ee7 100644
--- a/drivers/misc/habanalabs/common/mmu/mmu.c
+++ b/drivers/misc/habanalabs/common/mmu/mmu.c
@@ -501,12 +501,20 @@ static void hl_mmu_pa_page_with_offset(struct hl_ctx *ctx, u64 virt_addr,
 
 	if ((hops->range_type == HL_VA_RANGE_TYPE_DRAM) &&
 			!is_power_of_2(prop->dram_page_size)) {
-		u32 bit;
+		unsigned long dram_page_size = prop->dram_page_size;
 		u64 page_offset_mask;
 		u64 phys_addr_mask;
+		u32 bit;
 
-		bit = __ffs64((u64)prop->dram_page_size);
-		page_offset_mask = ((1ull << bit) - 1);
+		/*
+		 * find last set bit in page_size to cover all bits of page
+		 * offset. note that 1 has to be added to bit index.
+		 * note that the internal ulong variable is used to avoid
+		 * alignment issue.
+		 */
+		bit = find_last_bit(&dram_page_size,
+					sizeof(dram_page_size) * BITS_PER_BYTE) + 1;
+		page_offset_mask = (BIT_ULL(bit) - 1);
 		phys_addr_mask = ~page_offset_mask;
 		*phys_addr = (tmp_phys_addr & phys_addr_mask) |
 				(virt_addr & page_offset_mask);
-- 
2.30.2

[PATCH AUTOSEL 5.12 075/104] habanalabs: set rc as 'valid' in case of intentional func exit

[Sasha Levin]

From: Koby Elbaz <kelbaz@habana.ai>

[ Upstream commit 11d5cb8b95456e2432dfee2ffcebf0623998493a ]

fix the following smatch warnings:
hl_fw_static_init_cpu() warn: missing error code 'rc'

Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/habanalabs/common/device.c      | 5 +++--
 drivers/misc/habanalabs/common/firmware_if.c | 5 ++++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index 334009e83823..b11e9830422e 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/drivers/misc/habanalabs/common/device.c
@@ -1370,8 +1370,9 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass)
 	}
 
 	/*
-	 * From this point, in case of an error, add char devices and create
-	 * sysfs nodes as part of the error flow, to allow debugging.
+	 * From this point, override rc (=0) in case of an error to allow
+	 * debugging (by adding char devices and create sysfs nodes as part of
+	 * the error flow).
 	 */
 	add_cdev_sysfs_on_err = true;
 
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index 09706c571e95..7a96c9753dbf 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -803,11 +803,14 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
 
 	if (!(hdev->fw_loading & FW_TYPE_LINUX)) {
 		dev_info(hdev->dev, "Skip loading Linux F/W\n");
+		rc = 0;
 		goto out;
 	}
 
-	if (status == CPU_BOOT_STATUS_SRAM_AVAIL)
+	if (status == CPU_BOOT_STATUS_SRAM_AVAIL) {
+		rc = 0;
 		goto out;
+	}
 
 	dev_info(hdev->dev,
 		"Loading firmware to device, may take some time...\n");
-- 
2.30.2

[PATCH AUTOSEL 5.12 076/104] habanalabs: remove node from list before freeing the node

[Sasha Levin]

From: Koby Elbaz <kelbaz@habana.ai>

[ Upstream commit f5eb7bf0c487a212ebda3c1b048fc3ccabacc147 ]

fix the following smatch warnings:

goya_pin_memory_before_cs()
warn: '&userptr->job_node' not removed from list

gaudi_pin_memory_before_cs()
warn: '&userptr->job_node' not removed from list

Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 1 +
 drivers/misc/habanalabs/goya/goya.c   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index a03f13aa47f8..0c6092ebbc04 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -4901,6 +4901,7 @@ static int gaudi_pin_memory_before_cs(struct hl_device *hdev,
 	return 0;
 
 unpin_memory:
+	list_del(&userptr->job_node);
 	hl_unpin_host_memory(hdev, userptr);
 free_userptr:
 	kfree(userptr);
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index ed566c52ccaa..45c9065c4b92 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -3249,6 +3249,7 @@ static int goya_pin_memory_before_cs(struct hl_device *hdev,
 	return 0;
 
 unpin_memory:
+	list_del(&userptr->job_node);
 	hl_unpin_host_memory(hdev, userptr);
 free_userptr:
 	kfree(userptr);
-- 
2.30.2

[PATCH AUTOSEL 5.12 077/104] habanalabs/gaudi: set the correct rc in case of err

[Sasha Levin]

From: Koby Elbaz <kelbaz@habana.ai>

[ Upstream commit 1f7ef4bf41c7c2abad3d21b8c69db11fc3ebc4f5 ]

fix the following smatch warnings:
gaudi_internal_cb_pool_init() warn: missing error code 'rc'

Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 0c6092ebbc04..894056da22cf 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -8070,8 +8070,10 @@ static int gaudi_internal_cb_pool_init(struct hl_device *hdev,
 			HL_VA_RANGE_TYPE_HOST, HOST_SPACE_INTERNAL_CB_SZ,
 			HL_MMU_VA_ALIGNMENT_NOT_NEEDED);
 
-	if (!hdev->internal_cb_va_base)
+	if (!hdev->internal_cb_va_base) {
+		rc = -ENOMEM;
 		goto destroy_internal_cb_pool;
+	}
 
 	mutex_lock(&ctx->mmu_lock);
 	rc = hl_mmu_map_contiguous(ctx, hdev->internal_cb_va_base,
-- 
2.30.2

[PATCH AUTOSEL 5.12 078/104] s390/processor: always inline stap() and __load_psw_mask()

[Sasha Levin]

From: Heiko Carstens <hca@linux.ibm.com>

[ Upstream commit 9c9a915afd90f7534c16a71d1cd44b58596fddf3 ]

s390 is the only architecture which makes use of the __no_kasan_or_inline
attribute for two functions. Given that both stap() and __load_psw_mask()
are very small functions they can and should be always inlined anyway.

Therefore get rid of __no_kasan_or_inline and always inline these
functions.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/include/asm/processor.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 023a15dc25a3..dbd380d81133 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -207,7 +207,7 @@ static __always_inline unsigned long current_stack_pointer(void)
 	return sp;
 }
 
-static __no_kasan_or_inline unsigned short stap(void)
+static __always_inline unsigned short stap(void)
 {
 	unsigned short cpu_address;
 
@@ -246,7 +246,7 @@ static inline void __load_psw(psw_t psw)
  * Set PSW mask to specified value, while leaving the
  * PSW addr pointing to the next instruction.
  */
-static __no_kasan_or_inline void __load_psw_mask(unsigned long mask)
+static __always_inline void __load_psw_mask(unsigned long mask)
 {
 	unsigned long addr;
 	psw_t psw;
-- 
2.30.2

[PATCH AUTOSEL 5.12 079/104] s390/ipl_parm: fix program check new psw handling

[Sasha Levin]

From: Heiko Carstens <hca@linux.ibm.com>

[ Upstream commit 88c2510cecb7e2b518e3c4fdf3cf0e13ebe9377c ]

The __diag308() inline asm temporarily changes the program check new
psw to redirect a potential program check on the diag instruction.
Restoring of the program check new psw is done in C code behind the
inline asm.

This can be problematic, especially if the function is inlined, since
the compiler can reorder instructions in such a way that a different
instruction, which may result in a program check, might be executed
before the program check new psw has been restored.

To avoid such a scenario move restoring into the inline asm. For
consistency reasons move also saving of the original program check new
psw into the inline asm.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/boot/ipl_parm.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/arch/s390/boot/ipl_parm.c b/arch/s390/boot/ipl_parm.c
index d372a45fe10e..dd92092e3eec 100644
--- a/arch/s390/boot/ipl_parm.c
+++ b/arch/s390/boot/ipl_parm.c
@@ -28,22 +28,25 @@ static inline int __diag308(unsigned long subcode, void *addr)
 	register unsigned long _addr asm("0") = (unsigned long)addr;
 	register unsigned long _rc asm("1") = 0;
 	unsigned long reg1, reg2;
-	psw_t old = S390_lowcore.program_new_psw;
+	psw_t old;
 
 	asm volatile(
+		"	mvc	0(16,%[psw_old]),0(%[psw_pgm])\n"
 		"	epsw	%0,%1\n"
-		"	st	%0,%[psw_pgm]\n"
-		"	st	%1,%[psw_pgm]+4\n"
+		"	st	%0,0(%[psw_pgm])\n"
+		"	st	%1,4(%[psw_pgm])\n"
 		"	larl	%0,1f\n"
-		"	stg	%0,%[psw_pgm]+8\n"
+		"	stg	%0,8(%[psw_pgm])\n"
 		"	diag	%[addr],%[subcode],0x308\n"
-		"1:	nopr	%%r7\n"
+		"1:	mvc	0(16,%[psw_pgm]),0(%[psw_old])\n"
 		: "=&d" (reg1), "=&a" (reg2),
-		  [psw_pgm] "=Q" (S390_lowcore.program_new_psw),
+		  "+Q" (S390_lowcore.program_new_psw),
+		  "=Q" (old),
 		  [addr] "+d" (_addr), "+d" (_rc)
-		: [subcode] "d" (subcode)
+		: [subcode] "d" (subcode),
+		  [psw_old] "a" (&old),
+		  [psw_pgm] "a" (&S390_lowcore.program_new_psw)
 		: "cc", "memory");
-	S390_lowcore.program_new_psw = old;
 	return _rc;
 }
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 080/104] s390/mem_detect: fix diag260() program check new psw handling

[Sasha Levin]

From: Heiko Carstens <hca@linux.ibm.com>

[ Upstream commit 86807f348f418a84970eebb8f9912a7eea16b497 ]

The __diag260() inline asm temporarily changes the program check new
psw to redirect a potential program check on the diag instruction.
Restoring of the program check new psw is done in C code behind the
inline asm.

This can be problematic, especially if the function is inlined, since
the compiler can reorder instructions in such a way that a different
instruction, which may result in a program check, might be executed
before the program check new psw has been restored.

To avoid such a scenario move restoring into the inline asm. For
consistency reasons move also saving of the original program check new
psw into the inline asm.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/boot/mem_detect.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c
index 40168e59abd3..3f093556dc3b 100644
--- a/arch/s390/boot/mem_detect.c
+++ b/arch/s390/boot/mem_detect.c
@@ -69,24 +69,27 @@ static int __diag260(unsigned long rx1, unsigned long rx2)
 	register unsigned long _ry asm("4") = 0x10; /* storage configuration */
 	int rc = -1;				    /* fail */
 	unsigned long reg1, reg2;
-	psw_t old = S390_lowcore.program_new_psw;
+	psw_t old;
 
 	asm volatile(
+		"	mvc	0(16,%[psw_old]),0(%[psw_pgm])\n"
 		"	epsw	%0,%1\n"
-		"	st	%0,%[psw_pgm]\n"
-		"	st	%1,%[psw_pgm]+4\n"
+		"	st	%0,0(%[psw_pgm])\n"
+		"	st	%1,4(%[psw_pgm])\n"
 		"	larl	%0,1f\n"
-		"	stg	%0,%[psw_pgm]+8\n"
+		"	stg	%0,8(%[psw_pgm])\n"
 		"	diag	%[rx],%[ry],0x260\n"
 		"	ipm	%[rc]\n"
 		"	srl	%[rc],28\n"
-		"1:\n"
+		"1:	mvc	0(16,%[psw_pgm]),0(%[psw_old])\n"
 		: "=&d" (reg1), "=&a" (reg2),
-		  [psw_pgm] "=Q" (S390_lowcore.program_new_psw),
+		  "+Q" (S390_lowcore.program_new_psw),
+		  "=Q" (old),
 		  [rc] "+&d" (rc), [ry] "+d" (_ry)
-		: [rx] "d" (_rx1), "d" (_rx2)
+		: [rx] "d" (_rx1), "d" (_rx2),
+		  [psw_old] "a" (&old),
+		  [psw_pgm] "a" (&S390_lowcore.program_new_psw)
 		: "cc", "memory");
-	S390_lowcore.program_new_psw = old;
 	return rc == 0 ? _ry : -1;
 }
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 081/104] s390/mem_detect: fix tprot() program check new psw handling

[Sasha Levin]

From: Heiko Carstens <hca@linux.ibm.com>

[ Upstream commit da9057576785aaab52e706e76c0475c85b77ec14 ]

The tprot() inline asm temporarily changes the program check new psw
to redirect a potential program check on the diag instruction.
Restoring of the program check new psw is done in C code behind the
inline asm.

This can be problematic, especially if the function is inlined, since
the compiler can reorder instructions in such a way that a different
instruction, which may result in a program check, might be executed
before the program check new psw has been restored.

To avoid such a scenario move restoring into the inline asm. For
consistency reasons move also saving of the original program check new
psw into the inline asm.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/boot/mem_detect.c | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c
index 3f093556dc3b..a0e980f57c02 100644
--- a/arch/s390/boot/mem_detect.c
+++ b/arch/s390/boot/mem_detect.c
@@ -114,24 +114,30 @@ static int diag260(void)
 
 static int tprot(unsigned long addr)
 {
-	unsigned long pgm_addr;
+	unsigned long reg1, reg2;
 	int rc = -EFAULT;
-	psw_t old = S390_lowcore.program_new_psw;
+	psw_t old;
 
-	S390_lowcore.program_new_psw.mask = __extract_psw();
 	asm volatile(
-		"	larl	%[pgm_addr],1f\n"
-		"	stg	%[pgm_addr],%[psw_pgm_addr]\n"
+		"	mvc	0(16,%[psw_old]),0(%[psw_pgm])\n"
+		"	epsw	%[reg1],%[reg2]\n"
+		"	st	%[reg1],0(%[psw_pgm])\n"
+		"	st	%[reg2],4(%[psw_pgm])\n"
+		"	larl	%[reg1],1f\n"
+		"	stg	%[reg1],8(%[psw_pgm])\n"
 		"	tprot	0(%[addr]),0\n"
 		"	ipm	%[rc]\n"
 		"	srl	%[rc],28\n"
-		"1:\n"
-		: [pgm_addr] "=&d"(pgm_addr),
-		  [psw_pgm_addr] "=Q"(S390_lowcore.program_new_psw.addr),
-		  [rc] "+&d"(rc)
-		: [addr] "a"(addr)
+		"1:	mvc	0(16,%[psw_pgm]),0(%[psw_old])\n"
+		: [reg1] "=&d" (reg1),
+		  [reg2] "=&a" (reg2),
+		  [rc] "+&d" (rc),
+		  "=Q" (S390_lowcore.program_new_psw.addr),
+		  "=Q" (old)
+		: [psw_old] "a" (&old),
+		  [psw_pgm] "a" (&S390_lowcore.program_new_psw),
+		  [addr] "a" (addr)
 		: "cc", "memory");
-	S390_lowcore.program_new_psw = old;
 	return rc;
 }
 
-- 
2.30.2

[PATCH AUTOSEL 5.12 082/104] Input: hideep - fix the uninitialized use in hideep_nvm_unlock()

[Sasha Levin]

From: Yizhuo Zhai <yzhai003@ucr.edu>

[ Upstream commit cac7100d4c51c04979dacdfe6c9a5e400d3f0a27 ]

Inside function hideep_nvm_unlock(), variable "unmask_code" could
be uninitialized if hideep_pgm_r_reg() returns error, however, it
is used in the later if statement after an "and" operation, which
is potentially unsafe.

Signed-off-by: Yizhuo <yzhai003@ucr.edu>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/touchscreen/hideep.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/input/touchscreen/hideep.c b/drivers/input/touchscreen/hideep.c
index ddad4a82a5e5..e9547ee29756 100644
--- a/drivers/input/touchscreen/hideep.c
+++ b/drivers/input/touchscreen/hideep.c
@@ -361,13 +361,16 @@ static int hideep_enter_pgm(struct hideep_ts *ts)
 	return -EIO;
 }
 
-static void hideep_nvm_unlock(struct hideep_ts *ts)
+static int hideep_nvm_unlock(struct hideep_ts *ts)
 {
 	u32 unmask_code;
+	int error;
 
 	hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_SFR_RPAGE);
-	hideep_pgm_r_reg(ts, 0x0000000C, &unmask_code);
+	error = hideep_pgm_r_reg(ts, 0x0000000C, &unmask_code);
 	hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_DEFAULT_PAGE);
+	if (error)
+		return error;
 
 	/* make it unprotected code */
 	unmask_code &= ~HIDEEP_PROT_MODE;
@@ -384,6 +387,8 @@ static void hideep_nvm_unlock(struct hideep_ts *ts)
 	NVM_W_SFR(HIDEEP_NVM_MASK_OFS, ts->nvm_mask);
 	SET_FLASH_HWCONTROL();
 	hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_DEFAULT_PAGE);
+
+	return 0;
 }
 
 static int hideep_check_status(struct hideep_ts *ts)
@@ -462,7 +467,9 @@ static int hideep_program_nvm(struct hideep_ts *ts,
 	u32 addr = 0;
 	int error;
 
-	hideep_nvm_unlock(ts);
+       error = hideep_nvm_unlock(ts);
+       if (error)
+               return error;
 
 	while (ucode_len > 0) {
 		xfer_len = min_t(size_t, ucode_len, HIDEEP_NVM_PAGE_SIZE);
-- 
2.30.2

[PATCH AUTOSEL 5.12 083/104] ALSA: bebob: add support for ToneWeal FW66

[Sasha Levin]

From: Takashi Sakamoto <o-takashi@sakamocchi.jp>

[ Upstream commit 50ebe56222bfa0911a932930f9229ee5995508d9 ]

A user of FFADO project reported the issue of ToneWeal FW66. As a result,
the device is identified as one of applications of BeBoB solution.

I note that in the report the device returns contradictory result in plug
discovery process for audio subunit. Fortunately ALSA BeBoB driver doesn't
perform it thus it's likely to handle the device without issues.

I receive no reaction to test request for this patch yet, however it would
be worth to add support for it.

daniel@gibbonmoon:/sys/bus/firewire/devices/fw1$ grep -r . *
Binary file config_rom matches
dev:244:1
guid:0x0023270002000000
hardware_version:0x000002
is_local:0
model:0x020002
model_name:FW66
power/runtime_active_time:0
power/runtime_active_kids:0
power/runtime_usage:0
power/runtime_status:unsupported
power/async:disabled
power/runtime_suspended_time:0
power/runtime_enabled:disabled
power/control:auto
subsystem/drivers_autoprobe:1
uevent:MAJOR=244
uevent:MINOR=1
uevent:DEVNAME=fw1
units:0x00a02d:0x010001
vendor:0x002327
vendor_name:ToneWeal
fw1.0/uevent:MODALIAS=ieee1394:ven00002327mo00020002sp0000A02Dver00010001
fw1.0/power/runtime_active_time:0
fw1.0/power/runtime_active_kids:0
fw1.0/power/runtime_usage:0
fw1.0/power/runtime_status:unsupported
fw1.0/power/async:disabled
fw1.0/power/runtime_suspended_time:0
fw1.0/power/runtime_enabled:disabled
fw1.0/power/control:auto
fw1.0/model:0x020002
fw1.0/rom_index:15
fw1.0/specifier_id:0x00a02d
fw1.0/model_name:FW66
fw1.0/version:0x010001
fw1.0/modalias:ieee1394:ven00002327mo00020002sp0000A02Dver00010001

Cc: Daniel Jozsef <daniel.jozsef@gmail.com>
Reference: https://lore.kernel.org/alsa-devel/20200119164335.GA11974@workstation/
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210619083922.16060-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/firewire/Kconfig       | 1 +
 sound/firewire/bebob/bebob.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig
index def1f3d5ecf5..12664c3a1414 100644
--- a/sound/firewire/Kconfig
+++ b/sound/firewire/Kconfig
@@ -110,6 +110,7 @@ config SND_BEBOB
 	  * M-Audio Ozonic/NRV10/ProfireLightBridge
 	  * M-Audio FireWire 1814/ProjectMix IO
 	  * Digidesign Mbox 2 Pro
+	  * ToneWeal FW66
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called snd-bebob.
diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
index 90e98a6d1546..67fa0f2178b0 100644
--- a/sound/firewire/bebob/bebob.c
+++ b/sound/firewire/bebob/bebob.c
@@ -59,6 +59,7 @@ static DECLARE_BITMAP(devices_used, SNDRV_CARDS);
 #define VEN_MAUDIO1	0x00000d6c
 #define VEN_MAUDIO2	0x000007f5
 #define VEN_DIGIDESIGN	0x00a07e
+#define OUI_SHOUYO	0x002327
 
 #define MODEL_FOCUSRITE_SAFFIRE_BOTH	0x00000000
 #define MODEL_MAUDIO_AUDIOPHILE_BOTH	0x00010060
@@ -486,6 +487,8 @@ static const struct ieee1394_device_id bebob_id_table[] = {
 			    &maudio_special_spec),
 	/* Digidesign Mbox 2 Pro */
 	SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal),
+	// Toneweal FW66.
+	SND_BEBOB_DEV_ENTRY(OUI_SHOUYO, 0x020002, &spec_normal),
 	/* IDs are unknown but able to be supported */
 	/*  Apogee, Mini-ME Firewire */
 	/*  Apogee, Mini-DAC Firewire */
-- 
2.30.2

[PATCH AUTOSEL 5.12 084/104] m68knommu: fix missing LCD splash screen data initializer

[Sasha Levin]

From: Greg Ungerer <gerg@linux-m68k.org>

[ Upstream commit 3f605ee17f8e785ba6ff69bee8e584e377a3cf28 ]

The kernel test robot reports that the "screen_bits" splash screen data
is missing for the dragen platform:

    arch/m68k/68000/dragen2.c:73:16: error: 'screen_bits' undeclared (first use in this function)
      73 |  LSSA = (long) screen_bits;
         |                ^~~~~~~~~~~
    arch/m68k/68000/dragen2.c:73:16: note: each undeclared identifier is reported only once for each function it appears in

Digging around a bit I found the screen_bits data structure was originally
in a screen.h file that was generated from a screen.xbm file. That was
removed in commit 0c0e6db80683 ("m68k: drop unused parts of 68VZ328
Makefile").

Other splash screen initializers for 68000 targets are kept here as the
C data structures so lets do the same for this one. Add the missing
screen.h file and include it in the dragen specific startup code.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/m68k/68000/dragen2.c |   1 +
 arch/m68k/68000/screen.h  | 804 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 805 insertions(+)
 create mode 100644 arch/m68k/68000/screen.h

diff --git a/arch/m68k/68000/dragen2.c b/arch/m68k/68000/dragen2.c
index 584893c57c37..62f10a9e1ab7 100644
--- a/arch/m68k/68000/dragen2.c
+++ b/arch/m68k/68000/dragen2.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <asm/machdep.h>
 #include <asm/MC68VZ328.h>
+#include "screen.h"
 
 /***************************************************************************/
 /*                        Init Drangon Engine hardware                     */
diff --git a/arch/m68k/68000/screen.h b/arch/m68k/68000/screen.h
new file mode 100644
index 000000000000..2089bdf02688
--- /dev/null
+++ b/arch/m68k/68000/screen.h
@@ -0,0 +1,804 @@
+/* Created with The GIMP */
+#define screen_width 320
+#define screen_height 240
+static unsigned char screen_bits[] = {
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x56,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x0d, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x29, 0x5a, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6b, 0x55,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x03, 0x95, 0x6a, 0x00, 0x00, 0x00, 0x03, 0xf8, 0x70, 0xe0, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38,
+   0x01, 0xf8, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x5b, 0x55, 0x00, 0x00, 0x00, 0x0f,
+   0xfc, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x38, 0x03, 0xfc, 0x00, 0x7f, 0x80, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31, 0xb5, 0x56,
+   0x00, 0x00, 0x00, 0x1e, 0x0c, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x03, 0x0e, 0x00, 0x61,
+   0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0xd7, 0x55, 0x55, 0x00, 0x03, 0x8e, 0x1c, 0x00, 0x70, 0xe1, 0x9e,
+   0x0e, 0x38, 0xe1, 0x80, 0x70, 0xc0, 0xf0, 0x73, 0x33, 0xc0, 0x78, 0x38,
+   0x00, 0x0e, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x02, 0xa9, 0xaa, 0xad, 0x00, 0x03, 0x8e, 0x38,
+   0x00, 0x70, 0xe1, 0xff, 0x0e, 0x38, 0xe3, 0x80, 0x71, 0xc3, 0xf8, 0x77,
+   0x3f, 0xe1, 0xfc, 0x38, 0x00, 0x0e, 0x00, 0xef, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x2b, 0x55, 0x6a,
+   0x00, 0x03, 0x8e, 0x38, 0x00, 0x70, 0xe1, 0xe7, 0x0e, 0x38, 0x73, 0x00,
+   0x73, 0x83, 0x9c, 0x7f, 0x3c, 0xe1, 0xce, 0x38, 0x00, 0x1c, 0x00, 0xff,
+   0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x15, 0x56, 0xab, 0x55, 0x00, 0x03, 0x8e, 0x38, 0x00, 0x70, 0xe1, 0xc7,
+   0x0e, 0x38, 0x76, 0x00, 0x77, 0x07, 0x1c, 0x78, 0x38, 0xe3, 0x8e, 0x38,
+   0x00, 0x78, 0x00, 0xf3, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x69, 0x55, 0x5a, 0xb7, 0x00, 0x03, 0x8e, 0x38,
+   0x00, 0x70, 0xe1, 0xc7, 0x0e, 0x38, 0x3c, 0x00, 0x7e, 0x07, 0xfc, 0x70,
+   0x38, 0xe3, 0xfe, 0x38, 0x00, 0xf0, 0x00, 0xe1, 0xc0, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xa5, 0x9a, 0xab, 0x6d,
+   0x00, 0x03, 0x8e, 0x3c, 0x00, 0x70, 0xe1, 0xc7, 0x0e, 0x38, 0x3e, 0x00,
+   0x7f, 0x07, 0xfc, 0x70, 0x38, 0xe3, 0xfe, 0x38, 0x01, 0xc0, 0x00, 0xe1,
+   0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
+   0x4d, 0x75, 0xb6, 0xd5, 0x00, 0x03, 0x8e, 0x1c, 0x00, 0x70, 0xe1, 0xc7,
+   0x0e, 0x38, 0x77, 0x00, 0x77, 0x87, 0x00, 0x70, 0x38, 0xe3, 0x80, 0x38,
+   0x03, 0x80, 0x00, 0xe1, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x14, 0xaa, 0xca, 0xd5, 0x5b, 0x00, 0x03, 0x9e, 0x1f,
+   0x0c, 0x70, 0xe1, 0xc7, 0x0e, 0x78, 0x67, 0x00, 0x73, 0xc7, 0x8c, 0x70,
+   0x38, 0xe3, 0xc6, 0x38, 0x03, 0xfe, 0x38, 0x71, 0xc0, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2a, 0xb5, 0xbb, 0x5b, 0x6a,
+   0x00, 0x03, 0xfe, 0x0f, 0xfc, 0x70, 0xe1, 0xc7, 0x0f, 0xf8, 0xe3, 0x80,
+   0x71, 0xe3, 0xfc, 0x70, 0x38, 0xe1, 0xfe, 0x38, 0x03, 0xfe, 0x38, 0x7f,
+   0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa9,
+   0x6b, 0x56, 0xd6, 0xad, 0x00, 0x01, 0xe6, 0x03, 0xf0, 0x70, 0xe1, 0xc7,
+   0x07, 0x98, 0xc3, 0x80, 0x70, 0xe0, 0xf8, 0x70, 0x38, 0xe0, 0x7c, 0x38,
+   0x03, 0xfe, 0x38, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x03, 0x55, 0x55, 0x6a, 0xba, 0xeb, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x56, 0xd5, 0xd5, 0xd5, 0xac,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2a, 0x5a,
+   0xb7, 0x3d, 0x57, 0x5b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x75, 0x6d, 0xaa, 0xd3, 0xac, 0xaa, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x8b, 0x6a, 0xb6, 0xde, 0x6b, 0xb6,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xba, 0xad,
+   0xeb, 0x32, 0xda, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x1e, 0xaa, 0xb5, 0xad, 0x6e, 0x96, 0xaa, 0x00, 0x00, 0x00, 0x00,
+   0x01, 0x86, 0x00, 0x00, 0x07, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0xfc, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x6b, 0x6f, 0x5a, 0xb5, 0x75, 0x69,
+   0x00, 0x00, 0x00, 0x00, 0x01, 0x86, 0x00, 0x00, 0x06, 0x18, 0x00, 0x00,
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+   0x45, 0x55, 0x49, 0x54, 0xa5, 0x6a, 0xa0, 0x01, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xfc, 0x03, 0x00, 0x15, 0x24, 0xaa, 0x00, 0x00, 0x00, 0x00,
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+   0x12, 0x46, 0x20, 0xdc, 0xc4, 0x01, 0x01, 0xaa, 0xaa, 0xa9, 0x5b, 0x49,
+   0x2a, 0xad, 0xa0, 0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x01,
+   0x80, 0x02, 0xa4, 0xa5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x10, 0x44, 0x08, 0x00, 0xd1, 0x84, 0x20, 0x05, 0xaa,
+   0xaa, 0x95, 0x66, 0xaa, 0xaa, 0xaa, 0xa0, 0x03, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xfe, 0x01, 0x80, 0x05, 0x55, 0x29, 0x00, 0x00, 0x00, 0x00,
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+   0x00, 0x22, 0x03, 0xd5, 0x4a, 0xaa, 0xa7, 0x4d, 0x5a, 0xd5, 0x40, 0x07,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x01, 0x80, 0x02, 0x49, 0x4a,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48,
+   0x18, 0x02, 0x03, 0x24, 0x10, 0xa8, 0x2f, 0x6a, 0xaa, 0xaa, 0x45, 0x51,
+   0x4a, 0xb5, 0x40, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00,
+   0x80, 0x04, 0x95, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+   0x95, 0x52, 0xcd, 0x56, 0xad, 0x56, 0xc0, 0x07, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xfe, 0x00, 0xc0, 0x01, 0x52, 0x52, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x58, 0x98, 0x2f, 0x30,
+   0x02, 0x82, 0x01, 0x6a, 0xaa, 0xaa, 0x8d, 0x29, 0x35, 0xb5, 0x04, 0x07,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0xc0, 0x02, 0x94, 0x95,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
+   0x45, 0x30, 0x1f, 0xa0, 0x25, 0x1d, 0x15, 0x4a, 0xa5, 0x51, 0xad, 0x55,
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+   0xc0, 0x01, 0x29, 0x52, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x08, 0xa1, 0x2d, 0x21, 0x7f, 0x40, 0x4d, 0xb0, 0x35, 0x55,
+   0x15, 0x15, 0x79, 0x25, 0x4a, 0xca, 0x04, 0x0f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x00, 0xc0, 0x02, 0x52, 0x96, 0x00, 0x00, 0x00, 0x00,
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+   0x8a, 0x58, 0xad, 0x55, 0x55, 0x52, 0x0a, 0x5a, 0xaa, 0xbb, 0x04, 0x0f,
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+   0x95, 0x55, 0xaa, 0x4c, 0xa5, 0x54, 0x04, 0x0f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x00, 0xc0, 0x00, 0xa5, 0x12, 0x00, 0x00, 0x00, 0x00,
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+   0x15, 0x29, 0x51, 0x55, 0x52, 0x2c, 0xa2, 0x54, 0xab, 0x6c, 0x04, 0x0f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x80, 0x01, 0x28, 0x54,
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+   0xaa, 0xa9, 0xa8, 0x95, 0x55, 0x50, 0x04, 0x0f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x01, 0x80, 0x01, 0x52, 0x82, 0x00, 0x00, 0x00, 0x00,
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+   0x8b, 0x54, 0xaa, 0xab, 0x52, 0xa5, 0x45, 0x24, 0x95, 0x50, 0x06, 0x0f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x01, 0x24, 0x5a,
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+   0xaa, 0xd8, 0x02, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03,
+   0x00, 0x01, 0x4a, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x13, 0xc8, 0x00, 0xb0, 0x02, 0x3e, 0x96, 0x35, 0x6a, 0xaa, 0x55,
+   0x4a, 0x95, 0x4a, 0x54, 0x55, 0x28, 0x03, 0x0f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x8f, 0xc0, 0x01, 0x29, 0x4a, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x83, 0x49, 0x20, 0x8c, 0x78, 0xb5,
+   0x65, 0x4a, 0xaa, 0xa6, 0xaa, 0xa5, 0x29, 0x45, 0xaa, 0xa8, 0x03, 0x0f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x70, 0x01, 0x45, 0x28,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x25, 0x03, 0x20,
+   0x00, 0x30, 0x75, 0x4c, 0x95, 0x55, 0x54, 0xa9, 0x52, 0x95, 0x52, 0x95,
+   0x2a, 0xa8, 0x01, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80,
+   0x18, 0x00, 0x94, 0xa5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x0d, 0x0c, 0x0c, 0x44, 0x18, 0xe5, 0xb9, 0xb5, 0x54, 0x92, 0x96,
+   0xaa, 0x55, 0x4a, 0x69, 0x55, 0x20, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x00, 0x00, 0x01, 0x29, 0x29, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x01, 0x2e, 0x08, 0x1c, 0x01, 0x7b, 0xdc, 0x96,
+   0x4a, 0xaa, 0xaa, 0xa9, 0x4a, 0xaa, 0x95, 0x0a, 0x73, 0x50, 0x00, 0xff,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x01, 0x52, 0x52,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x20, 0x30,
+   0x44, 0x79, 0x88, 0xd4, 0x95, 0x49, 0x54, 0xab, 0x52, 0x94, 0xa4, 0xaa,
+   0xc6, 0x51, 0xe0, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00,
+   0x00, 0x00, 0x8a, 0x8a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x38, 0x2a, 0x21, 0x01, 0xfb, 0xa0, 0x7d, 0x54, 0xb5, 0x55, 0x54,
+   0x95, 0x55, 0x29, 0x55, 0x29, 0x57, 0xf8, 0x3f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xfe, 0x00, 0x00, 0x02, 0x50, 0x52, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x02, 0x78, 0x90, 0x00, 0x0d, 0xfb, 0xca, 0xd2,
+   0xaa, 0x92, 0x49, 0x55, 0x55, 0x2a, 0x4a, 0x4a, 0xd3, 0x57, 0xfc, 0x1f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x02, 0x95, 0x54,
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+   0x13, 0xfd, 0xab, 0x2a, 0x52, 0xa5, 0x52, 0x55, 0x52, 0xa9, 0x55, 0x55,
+   0x2a, 0x57, 0xff, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc6, 0x00,
+   0x00, 0x0d, 0x24, 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x08, 0x30, 0xc0, 0x00, 0x77, 0xb5, 0x55, 0x69, 0x4a, 0xaa, 0x96, 0xaa,
+   0x94, 0xaa, 0x91, 0x45, 0x55, 0x4f, 0xff, 0x03, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xcf, 0x00, 0x00, 0x1e, 0x55, 0x2a, 0x00, 0x00, 0x00, 0x00,
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+   0x55, 0x55, 0x2a, 0xaa, 0xaa, 0x52, 0x55, 0x35, 0x52, 0xaf, 0xff, 0x81,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcf, 0x00, 0x00, 0x1e, 0xa0, 0x48,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xe3, 0x00, 0x08,
+   0x86, 0x4a, 0xd4, 0xd5, 0x54, 0x91, 0x49, 0x55, 0x51, 0x54, 0x95, 0x49,
+   0x56, 0x4f, 0xff, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0x80,
+   0x00, 0x3e, 0x0b, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x05, 0xc4, 0x02, 0x00, 0x7f, 0xbd, 0x8a, 0x25, 0x49, 0x55, 0x2a, 0xb5,
+   0x55, 0x52, 0xa4, 0x96, 0xac, 0x8f, 0xff, 0xe0, 0x7f, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0x9f, 0x80, 0x00, 0x7e, 0x54, 0xa4, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x43, 0x80, 0x20, 0x21, 0x4d, 0x3f, 0x52, 0xb4,
+   0x55, 0x2a, 0x55, 0x55, 0x4a, 0xa4, 0x95, 0x32, 0xa5, 0x4f, 0xff, 0xe0,
+   0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xc0, 0x00, 0xfe, 0x49, 0x14,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xe8, 0x04, 0x08,
+   0x1a, 0x46, 0xd4, 0x49, 0xaa, 0xa4, 0xaa, 0xaa, 0x54, 0x95, 0x2a, 0xc4,
+   0x94, 0x8f, 0xff, 0xf0, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xe0,
+   0x01, 0xfe, 0x92, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x8e, 0x40, 0x80, 0x00, 0x74, 0x44, 0x51, 0x55, 0x64, 0xa9, 0x49, 0x55,
+   0x49, 0x51, 0x52, 0x5a, 0x2a, 0x1f, 0xff, 0xf8, 0x07, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0x9f, 0xf0, 0x07, 0xfe, 0x24, 0x52, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x0d, 0x90, 0x00, 0x41, 0xeb, 0x12, 0xab, 0x52,
+   0xa9, 0x4a, 0xaa, 0xa5, 0x52, 0x95, 0x2a, 0xa2, 0xa8, 0x1f, 0xff, 0xf8,
+   0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xf8, 0x1f, 0xfe, 0x52, 0x8a,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x3b, 0x81, 0x08, 0x05,
+   0xe3, 0x15, 0xa5, 0x36, 0x95, 0x4a, 0x4a, 0xaa, 0x45, 0x2a, 0xa2, 0xac,
+   0x00, 0x3f, 0xff, 0xfc, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff,
+   0xff, 0xfe, 0x04, 0xa8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0xb2, 0x00, 0x00, 0x80, 0xe8, 0x52, 0xac, 0xa8, 0xa4, 0x92, 0xa9, 0x4a,
+   0x95, 0x51, 0x2d, 0x50, 0xe1, 0xff, 0xff, 0xfe, 0x00, 0x7f, 0xff, 0xff,
+   0xff, 0xff, 0x9f, 0xff, 0xff, 0xfe, 0x29, 0x05, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x04, 0x00, 0x35, 0x10, 0x09, 0xa9, 0x4a, 0xaa, 0xaa,
+   0xa9, 0x54, 0x95, 0x2a, 0xa4, 0x8a, 0xa9, 0x43, 0xff, 0xff, 0xff, 0xfe,
+   0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xfe, 0x12, 0xa9,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2e, 0x01, 0x03,
+   0x34, 0xa5, 0x19, 0x25, 0x55, 0x55, 0x55, 0x55, 0x15, 0x55, 0x45, 0x53,
+   0xff, 0xff, 0xff, 0xff, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff,
+   0xff, 0xfe, 0x04, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
+   0x49, 0x3c, 0x00, 0x34, 0x75, 0x4a, 0xa2, 0xaa, 0x92, 0x92, 0x92, 0x54,
+   0x52, 0x54, 0x99, 0x53, 0xff, 0xff, 0xff, 0xff, 0x80, 0x0f, 0xff, 0xff,
+   0xff, 0xff, 0x9f, 0xff, 0xff, 0xff, 0x14, 0x94, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x02, 0x00, 0x78, 0x12, 0xfc, 0xaa, 0x92, 0x2d, 0x54,
+   0xa4, 0xa5, 0x2a, 0x92, 0x94, 0x92, 0xa2, 0xa3, 0xff, 0xff, 0xff, 0xff,
+   0x80, 0x0f, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xff, 0x01, 0x51,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x16, 0xf0, 0x80, 0x71,
+   0xc5, 0x2a, 0x65, 0x25, 0x55, 0x4a, 0x52, 0xaa, 0x51, 0x52, 0x95, 0x21,
+   0xff, 0xff, 0xff, 0xff, 0xc0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x8f, 0xff,
+   0xff, 0xff, 0x81, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
+   0x8e, 0xa0, 0x00, 0xb3, 0x94, 0xa4, 0xa9, 0x55, 0x45, 0x54, 0xa5, 0x25,
+   0x25, 0x2a, 0x65, 0x41, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff,
+   0xff, 0xff, 0x8f, 0xff, 0xff, 0xff, 0x80, 0x4a, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0xa0, 0x0f, 0x42, 0x13, 0x46, 0x94, 0x94, 0xa5, 0x4a,
+   0x54, 0x92, 0x88, 0xa8, 0x49, 0x55, 0x4a, 0x51, 0xff, 0xff, 0xff, 0xff,
+   0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x8f, 0xff, 0xff, 0xff, 0xe0, 0x52,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c, 0x2d, 0x00, 0x87, 0x56,
+   0x4b, 0x2a, 0x99, 0x55, 0x4a, 0xaa, 0x55, 0x4a, 0x92, 0xa2, 0x54, 0xa8,
+   0xff, 0xff, 0xff, 0xff, 0xf0, 0x07, 0xff, 0xff, 0xff, 0xfd, 0x8f, 0xff,
+   0xff, 0xff, 0xfe, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x88,
+   0x18, 0x04, 0x1f, 0x11, 0x51, 0x51, 0x0b, 0x54, 0x94, 0xa5, 0x52, 0x92,
+   0x55, 0x54, 0x95, 0x20, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x0f, 0xff, 0xff,
+   0xff, 0xf9, 0x8f, 0xff, 0xff, 0xff, 0xff, 0x89, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x11, 0xe0, 0x38, 0x01, 0x3e, 0x4d, 0x0a, 0x55, 0x5a, 0x55,
+   0x55, 0x4a, 0x25, 0x24, 0x81, 0x25, 0x29, 0x48, 0xff, 0xff, 0xff, 0xff,
+   0xf8, 0x1f, 0xff, 0xff, 0xff, 0xf0, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xc2,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x80, 0xf0, 0x90, 0x7e, 0xd4,
+   0x68, 0x92, 0xaa, 0x54, 0x92, 0x92, 0xa9, 0x55, 0x2e, 0xaa, 0xa2, 0x58,
+   0x7f, 0xff, 0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff, 0xe0, 0x8f, 0xff,
+   0xff, 0xff, 0xff, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x04,
+   0x40, 0x00, 0x49, 0xe2, 0x8a, 0xa9, 0x54, 0x95, 0x2a, 0x54, 0x4a, 0x48,
+   0x91, 0x51, 0x2a, 0xc8, 0x7f, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff,
+   0xff, 0xc0, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xe2, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x2e, 0x00, 0x00, 0x03, 0x79, 0x4a, 0xa9, 0x45, 0x49, 0x54,
+   0xa4, 0x89, 0x49, 0x52, 0x8a, 0x85, 0x4a, 0x98, 0x7f, 0xff, 0xff, 0xff,
+   0xfe, 0x7f, 0xff, 0xff, 0xff, 0x80, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xc4,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x48, 0x44, 0x91, 0x65, 0x55,
+   0x4a, 0x54, 0x96, 0x85, 0x55, 0x52, 0xaa, 0x8a, 0x1a, 0xaa, 0x59, 0x30,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xfe, 0x01, 0x0f, 0xff,
+   0xff, 0xff, 0xff, 0x82, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x20, 0x00,
+   0x00, 0x02, 0xc3, 0x50, 0x29, 0x49, 0x2d, 0x35, 0x24, 0x54, 0x89, 0x32,
+   0x52, 0x91, 0x49, 0x40, 0xff, 0xff, 0xff, 0xff, 0xff, 0x30, 0xff, 0xff,
+   0xfc, 0x01, 0x0f, 0xff, 0xff, 0xff, 0xff, 0x04, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x20, 0x08, 0x80, 0x00, 0x87, 0x4b, 0x42, 0x95, 0x2a, 0x4a,
+   0x4a, 0x89, 0x52, 0x44, 0x45, 0x25, 0x55, 0x10, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0x98, 0x7f, 0xff, 0xf0, 0x01, 0x0f, 0xff, 0xff, 0xff, 0xfc, 0x09,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x40, 0x40, 0x11, 0x15, 0x6a, 0x92,
+   0x4d, 0x29, 0x4a, 0xaa, 0xa4, 0xaa, 0x55, 0x54, 0x9a, 0x74, 0x44, 0xb1,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0x8c, 0x1f, 0xff, 0x00, 0x01, 0x0f, 0xff,
+   0xff, 0xff, 0xf0, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+   0x80, 0x01, 0x48, 0x54, 0x94, 0xa6, 0xa9, 0x52, 0x45, 0x24, 0x84, 0x92,
+   0xa4, 0x85, 0x2a, 0x43, 0xff, 0xff, 0xff, 0xff, 0xff, 0x84, 0x00, 0x00,
+   0x00, 0x01, 0x1f, 0xff, 0xff, 0xff, 0xc0, 0x92, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x11, 0x00, 0x09, 0x02, 0x03, 0x53, 0x15, 0x2a, 0x49, 0x4a, 0xa5,
+   0x49, 0x29, 0x29, 0x24, 0x2a, 0xd5, 0x54, 0xa3, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xc6, 0x00, 0x00, 0x00, 0x03, 0x1f, 0xff, 0xff, 0xfe, 0x01, 0x24,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x02, 0x20, 0x26, 0xd4, 0xa2,
+   0x49, 0xb5, 0x15, 0x4a, 0x52, 0xa9, 0x4a, 0x92, 0xa5, 0x12, 0x52, 0xa3,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xc6, 0x00, 0x00, 0x00, 0x03, 0x1f, 0xff,
+   0xff, 0xf0, 0x14, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0x00, 0x44,
+   0x00, 0x0c, 0xc4, 0xa4, 0xa8, 0x25, 0x2a, 0xaa, 0x84, 0x45, 0x28, 0xa4,
+   0xa8, 0xa5, 0x4a, 0x43, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc2, 0x00, 0x00,
+   0x00, 0x06, 0x1f, 0xff, 0xff, 0xc0, 0x25, 0x24, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x10, 0x80, 0x12, 0x01, 0x11, 0x12, 0x8a, 0x95, 0x49, 0x55, 0x49,
+   0x2a, 0xaa, 0x45, 0x0a, 0x4a, 0x94, 0xaa, 0x90, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xc2, 0x00, 0x00, 0x00, 0x06, 0x1f, 0xff, 0xff, 0x02, 0x48, 0x92,
+   0x00, 0x00, 0x00, 0x00, 0x02, 0x01, 0x08, 0x00, 0x22, 0x01, 0x24, 0x95,
+   0x21, 0x55, 0x55, 0x2a, 0x54, 0x92, 0x94, 0xa8, 0xa9, 0x2a, 0x92, 0xa8,
+   0x1f, 0xff, 0xff, 0xff, 0xff, 0x82, 0x00, 0x00, 0x00, 0x06, 0x0f, 0xff,
+   0xfe, 0x02, 0x49, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x01, 0x40,
+   0x00, 0xc4, 0x89, 0x11, 0x54, 0x95, 0x29, 0x49, 0x49, 0x24, 0x29, 0x12,
+   0x92, 0xa5, 0x55, 0x28, 0x01, 0xff, 0xff, 0xff, 0xff, 0x82, 0x00, 0x00,
+   0x00, 0x02, 0x0f, 0xff, 0xfc, 0x14, 0x92, 0x49, 0x00, 0x00, 0x00, 0x00,
+   0x08, 0x42, 0x06, 0x44, 0x45, 0x08, 0x92, 0x24, 0x95, 0xaa, 0xa5, 0x52,
+   0x92, 0x55, 0x42, 0x52, 0xaa, 0x4a, 0x49, 0x4a, 0x80, 0x0f, 0xff, 0xff,
+   0xff, 0x84, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xff, 0xf0, 0x04, 0x92, 0x49,
+   0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x2a, 0x80, 0x01, 0x95, 0x2a, 0x8a,
+   0xa0, 0x95, 0x2a, 0x95, 0x54, 0xa4, 0x54, 0x84, 0x44, 0x95, 0x55, 0x29,
+   0x54, 0x00, 0x7f, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff,
+   0xe0, 0x29, 0x24, 0x92, 0x00, 0x00, 0x00, 0x00, 0x22, 0x04, 0x03, 0x03,
+   0x42, 0x12, 0x52, 0x2a, 0x15, 0x55, 0x54, 0xa8, 0x92, 0xa9, 0x49, 0x29,
+   0x54, 0xaa, 0x92, 0x52, 0xa5, 0x40, 0x07, 0xff, 0xff, 0x00, 0x15, 0x50,
+   0x92, 0x44, 0x07, 0xff, 0xc0, 0x52, 0x54, 0xaa, 0x00, 0x00, 0x00, 0x00,
+   0x84, 0x02, 0x86, 0x03, 0x08, 0x41, 0x48, 0x94, 0xa5, 0x52, 0xaa, 0x8a,
+   0x49, 0x52, 0x92, 0x45, 0x49, 0x55, 0x2a, 0xaa, 0x94, 0x96, 0x00, 0x7f,
+   0xfe, 0x01, 0x55, 0x2b, 0x25, 0x50, 0x03, 0xff, 0x00, 0xa4, 0x91, 0x08,
+   0x00, 0x00, 0x00, 0x00, 0x88, 0x2c, 0x18, 0x14, 0x0a, 0xaa, 0x92, 0x55,
+   0x49, 0x55, 0x4a, 0xa9, 0x52, 0x44, 0x92, 0x94, 0x92, 0x92, 0xca, 0x4a,
+   0x55, 0x27, 0xa0, 0x0f, 0xf8, 0x05, 0x35, 0x49, 0x68, 0x91, 0x00, 0xf8,
+   0x04, 0x95, 0x25, 0x29, 0x00, 0x00, 0x00, 0x01, 0x08, 0x04, 0x18, 0x00,
+   0x08, 0x04, 0x49, 0x08, 0x55, 0x4a, 0xa9, 0x12, 0x95, 0x55, 0x49, 0x22,
+   0x65, 0x2a, 0x5a, 0x92, 0xa9, 0x49, 0x54, 0x00, 0xe0, 0x24, 0xb2, 0x55,
+   0x15, 0x4c, 0x00, 0x00, 0x02, 0x48, 0x52, 0x52, 0x00, 0x00, 0x00, 0x02,
+   0x21, 0x09, 0x50, 0x81, 0x51, 0x69, 0x48, 0x52, 0x92, 0x94, 0xaa, 0x54,
+   0x25, 0x54, 0x92, 0x4a, 0x89, 0x54, 0x82, 0xaa, 0x4a, 0x53, 0x55, 0x00,
+   0x00, 0x49, 0x65, 0x52, 0x51, 0x12, 0x80, 0x00, 0x14, 0x92, 0x92, 0x42,
+   0x00, 0x00, 0x00, 0x01, 0x00, 0x20, 0x50, 0x24, 0x2a, 0x95, 0x25, 0x29,
+   0x4a, 0xb5, 0x48, 0xa5, 0x52, 0x49, 0x24, 0x94, 0xaa, 0xab, 0x15, 0x24,
+   0x92, 0xa5, 0x54, 0x40, 0x00, 0xaa, 0xb5, 0x25, 0x4a, 0xa4, 0x80, 0x00,
+   0x21, 0x24, 0xa8, 0x94, 0x00, 0x00, 0x00, 0x0a, 0x44, 0x02, 0xb1, 0x01,
+   0x24, 0x80, 0x48, 0xa2, 0x55, 0x55, 0x52, 0x8a, 0x94, 0xaa, 0x49, 0x22,
+   0x8a, 0x49, 0x49, 0x55, 0x4a, 0x51, 0x25, 0x48, 0x02, 0xa8, 0x6a, 0x69,
+   0x12, 0x29, 0x50, 0x00, 0x55, 0x24, 0x81, 0x24, 0x00, 0x00, 0x00, 0x23,
+   0x80, 0x90, 0x70, 0x14, 0x82, 0x55, 0x22, 0x8a, 0xa9, 0x14, 0xaa, 0xa9,
+   0x25, 0x51, 0x2a, 0x55, 0x21, 0x55, 0x55, 0x12, 0x55, 0x32, 0xaa, 0x94,
+   0xa5, 0x55, 0x5a, 0x92, 0x54, 0xa5, 0x52, 0x24, 0xa2, 0x49, 0x2a, 0x92,
+   0x00, 0x00, 0x00, 0x0e, 0x08, 0x00, 0xe2, 0xa0, 0x04, 0x54, 0x84, 0x52,
+   0x4a, 0xa4, 0xaa, 0x2a, 0xa9, 0x25, 0x45, 0x42, 0xae, 0x92, 0x44, 0xa4,
+   0x91, 0x24, 0xaa, 0xaa, 0xaa, 0x91, 0x55, 0x55, 0x51, 0x55, 0x54, 0xa9,
+   0x14, 0x92, 0x49, 0x24, 0x00, 0x00, 0x00, 0x24, 0x01, 0x82, 0x70, 0x09,
+   0x2a, 0x41, 0x2a, 0x89, 0x14, 0x49, 0x29, 0x52, 0x4a, 0xaa, 0x2a, 0x15,
+   0x12, 0xaa, 0xa9, 0x2a, 0xaa, 0xba, 0xa4, 0x94, 0x95, 0x55, 0x5a, 0x49,
+   0x25, 0x20, 0x49, 0x22, 0xa5, 0x24, 0x92, 0x92, 0x00, 0x00, 0x01, 0x0c,
+   0x93, 0x10, 0xe2, 0x11, 0x00, 0x94, 0x22, 0x52, 0x69, 0x53, 0x52, 0x45,
+   0x49, 0x22, 0xa4, 0x4a, 0x55, 0x29, 0x2a, 0xa4, 0x52, 0x42, 0xaa, 0xa5,
+   0x52, 0xa8, 0xaa, 0x55, 0x4a, 0xab, 0xa9, 0x4a, 0x54, 0x49, 0x32, 0x24 };
-- 
2.30.2

[PATCH AUTOSEL 5.12 085/104] ALSA: usb-audio: scarlett2: Fix 18i8 Gen 2 PCM Input count

[Sasha Levin]

From: "Geoffrey D. Bennett" <g@b4.vu>

[ Upstream commit c5210f213456383482b4a77c5310282a89a106b5 ]

The 18i8 Gen 2 has 8 PCM Inputs, not 20. Fix the ports entry in
s18i8_gen2_info.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/20210620164625.GA9165@m.b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/usb/mixer_scarlett_gen2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 4caf379d5b99..b2fa317ba2ab 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -356,7 +356,7 @@ static const struct scarlett2_device_info s18i8_gen2_info = {
 		},
 		[SCARLETT2_PORT_TYPE_PCM] = {
 			.id = 0x600,
-			.num = { 20, 18, 18, 14, 10 },
+			.num = { 8, 18, 18, 14, 10 },
 			.src_descr = "PCM %d",
 			.src_num_offset = 1,
 			.dst_descr = "PCM %02d Capture"
-- 
2.30.2

[PATCH AUTOSEL 5.12 086/104] ALSA: usb-audio: scarlett2: Fix data_mutex lock

[Sasha Levin]

From: "Geoffrey D. Bennett" <g@b4.vu>

[ Upstream commit 9b5ddea9ce5a68d7d2bedcb69901ac2a86c96c7b ]

The private->vol_updated flag was being checked outside of the
mutex_lock/unlock() of private->data_mutex leading to the volume data
being fetched twice from the device unnecessarily or old volume data
being returned.

Update scarlett2_*_ctl_get() and include the private->vol_updated flag
check inside the critical region.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/20210620164643.GA9216@m.b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/usb/mixer_scarlett_gen2.c | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index b2fa317ba2ab..63d6a5e45ba9 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -1028,11 +1028,10 @@ static int scarlett2_master_volume_ctl_get(struct snd_kcontrol *kctl,
 	struct usb_mixer_interface *mixer = elem->head.mixer;
 	struct scarlett2_mixer_data *private = mixer->private_data;
 
-	if (private->vol_updated) {
-		mutex_lock(&private->data_mutex);
+	mutex_lock(&private->data_mutex);
+	if (private->vol_updated)
 		scarlett2_update_volumes(mixer);
-		mutex_unlock(&private->data_mutex);
-	}
+	mutex_unlock(&private->data_mutex);
 
 	ucontrol->value.integer.value[0] = private->master_vol;
 	return 0;
@@ -1046,11 +1045,10 @@ static int scarlett2_volume_ctl_get(struct snd_kcontrol *kctl,
 	struct scarlett2_mixer_data *private = mixer->private_data;
 	int index = elem->control;
 
-	if (private->vol_updated) {
-		mutex_lock(&private->data_mutex);
+	mutex_lock(&private->data_mutex);
+	if (private->vol_updated)
 		scarlett2_update_volumes(mixer);
-		mutex_unlock(&private->data_mutex);
-	}
+	mutex_unlock(&private->data_mutex);
 
 	ucontrol->value.integer.value[0] = private->vol[index];
 	return 0;
@@ -1314,11 +1312,10 @@ static int scarlett2_button_ctl_get(struct snd_kcontrol *kctl,
 	struct usb_mixer_interface *mixer = elem->head.mixer;
 	struct scarlett2_mixer_data *private = mixer->private_data;
 
-	if (private->vol_updated) {
-		mutex_lock(&private->data_mutex);
+	mutex_lock(&private->data_mutex);
+	if (private->vol_updated)
 		scarlett2_update_volumes(mixer);
-		mutex_unlock(&private->data_mutex);
-	}
+	mutex_unlock(&private->data_mutex);
 
 	ucontrol->value.enumerated.item[0] = private->buttons[elem->control];
 	return 0;
-- 
2.30.2

[PATCH AUTOSEL 5.12 087/104] ALSA: usb-audio: scarlett2: Fix scarlett2_*_ctl_put() return values

[Sasha Levin]

From: "Geoffrey D. Bennett" <g@b4.vu>

[ Upstream commit c5d8e008032f3cd5f266d552732973a960b0bd4b ]

Mixer control put callbacks should return 1 if the value is changed.
Fix the sw_hw, level, pad, and button controls accordingly.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/20210620164645.GA9221@m.b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/usb/mixer_scarlett_gen2.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 63d6a5e45ba9..a829c3c7a30c 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -1179,6 +1179,8 @@ static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl,
 	/* Send SW/HW switch change to the device */
 	err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SW_HW_SWITCH,
 				       index, val);
+	if (err == 0)
+		err = 1;
 
 unlock:
 	mutex_unlock(&private->data_mutex);
@@ -1239,6 +1241,8 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl,
 	/* Send switch change to the device */
 	err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_LEVEL_SWITCH,
 				       index, val);
+	if (err == 0)
+		err = 1;
 
 unlock:
 	mutex_unlock(&private->data_mutex);
@@ -1289,6 +1293,8 @@ static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl,
 	/* Send switch change to the device */
 	err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_PAD_SWITCH,
 				       index, val);
+	if (err == 0)
+		err = 1;
 
 unlock:
 	mutex_unlock(&private->data_mutex);
@@ -1344,6 +1350,8 @@ static int scarlett2_button_ctl_put(struct snd_kcontrol *kctl,
 	/* Send switch change to the device */
 	err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_BUTTONS,
 				       index, val);
+	if (err == 0)
+		err = 1;
 
 unlock:
 	mutex_unlock(&private->data_mutex);
-- 
2.30.2

[PATCH AUTOSEL 5.12 088/104] usb: gadget: f_hid: fix endianness issue with descriptors

[Sasha Levin]

From: Ruslan Bilovol <ruslan.bilovol@gmail.com>

[ Upstream commit 33cb46c4676d01956811b68a29157ea969a5df70 ]

Running sparse checker it shows warning message about
incorrect endianness used for descriptor initialization:

| f_hid.c:91:43: warning: incorrect type in initializer (different base types)
| f_hid.c:91:43:    expected restricted __le16 [usertype] bcdHID
| f_hid.c:91:43:    got int

Fixing issue with cpu_to_le16() macro, however this is not a real issue
as the value is the same both endians.

Cc: Fabien Chouteau <fabien.chouteau@barco.com>
Cc: Segiy Stetsyuk <serg_stetsuk@ukr.net>
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Link: https://lore.kernel.org/r/20210617162755.29676-1-ruslan.bilovol@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/gadget/function/f_hid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index e55699308117..a82b3de1a54b 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -88,7 +88,7 @@ static struct usb_interface_descriptor hidg_interface_desc = {
 static struct hid_descriptor hidg_desc = {
 	.bLength			= sizeof hidg_desc,
 	.bDescriptorType		= HID_DT_HID,
-	.bcdHID				= 0x0101,
+	.bcdHID				= cpu_to_le16(0x0101),
 	.bCountryCode			= 0x00,
 	.bNumDescriptors		= 0x1,
 	/*.desc[0].bDescriptorType	= DYNAMIC */
-- 
2.30.2

[PATCH AUTOSEL 5.12 089/104] usb: gadget: hid: fix error return code in hid_bind()

[Sasha Levin]

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit 88693f770bb09c196b1eb5f06a484a254ecb9924 ]

Fix to return a negative error code from the error handling
case instead of 0.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210618043835.2641360-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/gadget/legacy/hid.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c
index c4eda7fe7ab4..5b27d289443f 100644
--- a/drivers/usb/gadget/legacy/hid.c
+++ b/drivers/usb/gadget/legacy/hid.c
@@ -171,8 +171,10 @@ static int hid_bind(struct usb_composite_dev *cdev)
 		struct usb_descriptor_header *usb_desc;
 
 		usb_desc = usb_otg_descriptor_alloc(gadget);
-		if (!usb_desc)
+		if (!usb_desc) {
+			status = -ENOMEM;
 			goto put;
+		}
 		usb_otg_descriptor_init(gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;
-- 
2.30.2

[PATCH AUTOSEL 5.12 090/104] powerpc/boot: Fixup device-tree on little endian

[Sasha Levin]

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>

[ Upstream commit c93f80849bdd9b45d834053ae1336e28f0026c84 ]

This fixes the core devtree.c functions and the ns16550 UART backend.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/YMwXrPT8nc4YUdJ9@thinks.paulus.ozlabs.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/boot/devtree.c | 59 +++++++++++++++++++++----------------
 arch/powerpc/boot/ns16550.c |  9 ++++--
 2 files changed, 41 insertions(+), 27 deletions(-)

diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c
index 5d91036ad626..58fbcfcc98c9 100644
--- a/arch/powerpc/boot/devtree.c
+++ b/arch/powerpc/boot/devtree.c
@@ -13,6 +13,7 @@
 #include "string.h"
 #include "stdio.h"
 #include "ops.h"
+#include "of.h"
 
 void dt_fixup_memory(u64 start, u64 size)
 {
@@ -23,21 +24,25 @@ void dt_fixup_memory(u64 start, u64 size)
 	root = finddevice("/");
 	if (getprop(root, "#address-cells", &naddr, sizeof(naddr)) < 0)
 		naddr = 2;
+	else
+		naddr = be32_to_cpu(naddr);
 	if (naddr < 1 || naddr > 2)
 		fatal("Can't cope with #address-cells == %d in /\n\r", naddr);
 
 	if (getprop(root, "#size-cells", &nsize, sizeof(nsize)) < 0)
 		nsize = 1;
+	else
+		nsize = be32_to_cpu(nsize);
 	if (nsize < 1 || nsize > 2)
 		fatal("Can't cope with #size-cells == %d in /\n\r", nsize);
 
 	i = 0;
 	if (naddr == 2)
-		memreg[i++] = start >> 32;
-	memreg[i++] = start & 0xffffffff;
+		memreg[i++] = cpu_to_be32(start >> 32);
+	memreg[i++] = cpu_to_be32(start & 0xffffffff);
 	if (nsize == 2)
-		memreg[i++] = size >> 32;
-	memreg[i++] = size & 0xffffffff;
+		memreg[i++] = cpu_to_be32(size >> 32);
+	memreg[i++] = cpu_to_be32(size & 0xffffffff);
 
 	memory = finddevice("/memory");
 	if (! memory) {
@@ -45,9 +50,9 @@ void dt_fixup_memory(u64 start, u64 size)
 		setprop_str(memory, "device_type", "memory");
 	}
 
-	printf("Memory <- <0x%x", memreg[0]);
+	printf("Memory <- <0x%x", be32_to_cpu(memreg[0]));
 	for (i = 1; i < (naddr + nsize); i++)
-		printf(" 0x%x", memreg[i]);
+		printf(" 0x%x", be32_to_cpu(memreg[i]));
 	printf("> (%ldMB)\n\r", (unsigned long)(size >> 20));
 
 	setprop(memory, "reg", memreg, (naddr + nsize)*sizeof(u32));
@@ -65,10 +70,10 @@ void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus)
 		printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus));
 
 	while ((devp = find_node_by_devtype(devp, "cpu"))) {
-		setprop_val(devp, "clock-frequency", cpu);
-		setprop_val(devp, "timebase-frequency", tb);
+		setprop_val(devp, "clock-frequency", cpu_to_be32(cpu));
+		setprop_val(devp, "timebase-frequency", cpu_to_be32(tb));
 		if (bus > 0)
-			setprop_val(devp, "bus-frequency", bus);
+			setprop_val(devp, "bus-frequency", cpu_to_be32(bus));
 	}
 
 	timebase_period_ns = 1000000000 / tb;
@@ -80,7 +85,7 @@ void dt_fixup_clock(const char *path, u32 freq)
 
 	if (devp) {
 		printf("%s: clock-frequency <- %x (%dMHz)\n\r", path, freq, MHZ(freq));
-		setprop_val(devp, "clock-frequency", freq);
+		setprop_val(devp, "clock-frequency", cpu_to_be32(freq));
 	}
 }
 
@@ -133,8 +138,12 @@ void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize)
 {
 	if (getprop(node, "#address-cells", naddr, 4) != 4)
 		*naddr = 2;
+	else
+		*naddr = be32_to_cpu(*naddr);
 	if (getprop(node, "#size-cells", nsize, 4) != 4)
 		*nsize = 1;
+	else
+		*nsize = be32_to_cpu(*nsize);
 }
 
 static void copy_val(u32 *dest, u32 *src, int naddr)
@@ -163,9 +172,9 @@ static int add_reg(u32 *reg, u32 *add, int naddr)
 	int i, carry = 0;
 
 	for (i = MAX_ADDR_CELLS - 1; i >= MAX_ADDR_CELLS - naddr; i--) {
-		u64 tmp = (u64)reg[i] + add[i] + carry;
+		u64 tmp = (u64)be32_to_cpu(reg[i]) + be32_to_cpu(add[i]) + carry;
 		carry = tmp >> 32;
-		reg[i] = (u32)tmp;
+		reg[i] = cpu_to_be32((u32)tmp);
 	}
 
 	return !carry;
@@ -180,18 +189,18 @@ static int compare_reg(u32 *reg, u32 *range, u32 *rangesize)
 	u32 end;
 
 	for (i = 0; i < MAX_ADDR_CELLS; i++) {
-		if (reg[i] < range[i])
+		if (be32_to_cpu(reg[i]) < be32_to_cpu(range[i]))
 			return 0;
-		if (reg[i] > range[i])
+		if (be32_to_cpu(reg[i]) > be32_to_cpu(range[i]))
 			break;
 	}
 
 	for (i = 0; i < MAX_ADDR_CELLS; i++) {
-		end = range[i] + rangesize[i];
+		end = be32_to_cpu(range[i]) + be32_to_cpu(rangesize[i]);
 
-		if (reg[i] < end)
+		if (be32_to_cpu(reg[i]) < end)
 			break;
-		if (reg[i] > end)
+		if (be32_to_cpu(reg[i]) > end)
 			return 0;
 	}
 
@@ -240,7 +249,6 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 		return 0;
 
 	dt_get_reg_format(parent, &naddr, &nsize);
-
 	if (nsize > 2)
 		return 0;
 
@@ -252,10 +260,10 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 
 	copy_val(last_addr, prop_buf + offset, naddr);
 
-	ret_size = prop_buf[offset + naddr];
+	ret_size = be32_to_cpu(prop_buf[offset + naddr]);
 	if (nsize == 2) {
 		ret_size <<= 32;
-		ret_size |= prop_buf[offset + naddr + 1];
+		ret_size |= be32_to_cpu(prop_buf[offset + naddr + 1]);
 	}
 
 	for (;;) {
@@ -278,7 +286,6 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 
 		offset = find_range(last_addr, prop_buf, prev_naddr,
 		                    naddr, prev_nsize, buflen / 4);
-
 		if (offset < 0)
 			return 0;
 
@@ -296,8 +303,7 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 	if (naddr > 2)
 		return 0;
 
-	ret_addr = ((u64)last_addr[2] << 32) | last_addr[3];
-
+	ret_addr = ((u64)be32_to_cpu(last_addr[2]) << 32) | be32_to_cpu(last_addr[3]);
 	if (sizeof(void *) == 4 &&
 	    (ret_addr >= 0x100000000ULL || ret_size > 0x100000000ULL ||
 	     ret_addr + ret_size > 0x100000000ULL))
@@ -350,11 +356,14 @@ int dt_is_compatible(void *node, const char *compat)
 int dt_get_virtual_reg(void *node, void **addr, int nres)
 {
 	unsigned long xaddr;
-	int n;
+	int n, i;
 
 	n = getprop(node, "virtual-reg", addr, nres * 4);
-	if (n > 0)
+	if (n > 0) {
+		for (i = 0; i < n/4; i ++)
+			((u32 *)addr)[i] = be32_to_cpu(((u32 *)addr)[i]);
 		return n / 4;
+	}
 
 	for (n = 0; n < nres; n++) {
 		if (!dt_xlate_reg(node, n, &xaddr, NULL))
diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c
index b0da4466d419..f16d2be1d0f3 100644
--- a/arch/powerpc/boot/ns16550.c
+++ b/arch/powerpc/boot/ns16550.c
@@ -15,6 +15,7 @@
 #include "stdio.h"
 #include "io.h"
 #include "ops.h"
+#include "of.h"
 
 #define UART_DLL	0	/* Out: Divisor Latch Low */
 #define UART_DLM	1	/* Out: Divisor Latch High */
@@ -58,16 +59,20 @@ int ns16550_console_init(void *devp, struct serial_console_data *scdp)
 	int n;
 	u32 reg_offset;
 
-	if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1)
+	if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1) {
+		printf("virt reg parse fail...\r\n");
 		return -1;
+	}
 
 	n = getprop(devp, "reg-offset", &reg_offset, sizeof(reg_offset));
 	if (n == sizeof(reg_offset))
-		reg_base += reg_offset;
+		reg_base += be32_to_cpu(reg_offset);
 
 	n = getprop(devp, "reg-shift", &reg_shift, sizeof(reg_shift));
 	if (n != sizeof(reg_shift))
 		reg_shift = 0;
+	else
+		reg_shift = be32_to_cpu(reg_shift);
 
 	scdp->open = ns16550_open;
 	scdp->putc = ns16550_putc;
-- 
2.30.2

[PATCH AUTOSEL 5.12 091/104] ASoC: fsl_xcvr: check return value after calling platform_get_resource_byname()

[Sasha Levin]

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit a2f6ed4a44721d3a9fdf4da7e0743cb13866bf61 ]

It will cause null-ptr-deref if platform_get_resource_byname() returns NULL,
we need check the return value.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210615013922.784296-10-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/fsl/fsl_xcvr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index 6dd0a5fcd455..dc7f914816c6 100644
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -1205,6 +1205,10 @@ static int fsl_xcvr_probe(struct platform_device *pdev)
 
 	rx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rxfifo");
 	tx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "txfifo");
+	if (!rx_res || !tx_res) {
+		dev_err(dev, "could not find rxfifo or txfifo resource\n");
+		return -EINVAL;
+	}
 	xcvr->dma_prms_rx.chan_name = "rx";
 	xcvr->dma_prms_tx.chan_name = "tx";
 	xcvr->dma_prms_rx.addr = rx_res->start;
-- 
2.30.2

[PATCH AUTOSEL 5.12 092/104] ASoC: Intel: kbl_da7219_max98357a: shrink platform_id below 20 characters

[Sasha Levin]

From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

[ Upstream commit 94efd726b947f265bd313605c9f73edec5469d65 ]

Sparse throws the following warnings:

sound/soc/intel/boards/kbl_da7219_max98357a.c:647:25: error: too long
initializer-string for array of char(no space for nul char)

Fix by using the 'mx' acronym for Maxim.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Paul Olaru <paul.olaru@oss.nxp.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20210621194057.21711-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/intel/boards/kbl_da7219_max98357a.c     | 4 ++--
 sound/soc/intel/common/soc-acpi-intel-kbl-match.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/intel/boards/kbl_da7219_max98357a.c b/sound/soc/intel/boards/kbl_da7219_max98357a.c
index dc3d897ad280..36f1f49e0b76 100644
--- a/sound/soc/intel/boards/kbl_da7219_max98357a.c
+++ b/sound/soc/intel/boards/kbl_da7219_max98357a.c
@@ -594,7 +594,7 @@ static int kabylake_audio_probe(struct platform_device *pdev)
 
 static const struct platform_device_id kbl_board_ids[] = {
 	{
-		.name = "kbl_da7219_max98357a",
+		.name = "kbl_da7219_mx98357a",
 		.driver_data =
 			(kernel_ulong_t)&kabylake_audio_card_da7219_m98357a,
 	},
@@ -616,4 +616,4 @@ module_platform_driver(kabylake_audio)
 MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
 MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:kbl_da7219_max98357a");
+MODULE_ALIAS("platform:kbl_da7219_mx98357a");
diff --git a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c
index 47dadc9d5d2a..ba5ff468c265 100644
--- a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c
@@ -113,7 +113,7 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_kbl_machines[] = {
 	},
 	{
 		.id = "DLGS7219",
-		.drv_name = "kbl_da7219_max98373",
+		.drv_name = "kbl_da7219_mx98373",
 		.fw_filename = "intel/dsp_fw_kbl.bin",
 		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &kbl_7219_98373_codecs,
-- 
2.30.2

[PATCH AUTOSEL 5.12 093/104] backlight: lm3630a: Fix return code of .update_status() callback

[Sasha Levin]

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit b9481a667a90ec739995e85f91f3672ca44d6ffa ]

According to <linux/backlight.h> .update_status() is supposed to
return 0 on success and a negative error code otherwise. Adapt
lm3630a_bank_a_update_status() and lm3630a_bank_b_update_status() to
actually do it.

While touching that also add the error code to the failure message.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/backlight/lm3630a_bl.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index e88a2b0e5904..7140b0d98082 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -190,7 +190,7 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl)
 	if ((pwm_ctrl & LM3630A_PWM_BANK_A) != 0) {
 		lm3630a_pwm_ctrl(pchip, bl->props.brightness,
 				 bl->props.max_brightness);
-		return bl->props.brightness;
+		return 0;
 	}
 
 	/* disable sleep */
@@ -210,8 +210,8 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl)
 	return 0;
 
 out_i2c_err:
-	dev_err(pchip->dev, "i2c failed to access\n");
-	return bl->props.brightness;
+	dev_err(pchip->dev, "i2c failed to access (%pe)\n", ERR_PTR(ret));
+	return ret;
 }
 
 static int lm3630a_bank_a_get_brightness(struct backlight_device *bl)
@@ -267,7 +267,7 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl)
 	if ((pwm_ctrl & LM3630A_PWM_BANK_B) != 0) {
 		lm3630a_pwm_ctrl(pchip, bl->props.brightness,
 				 bl->props.max_brightness);
-		return bl->props.brightness;
+		return 0;
 	}
 
 	/* disable sleep */
@@ -287,8 +287,8 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl)
 	return 0;
 
 out_i2c_err:
-	dev_err(pchip->dev, "i2c failed to access REG_CTRL\n");
-	return bl->props.brightness;
+	dev_err(pchip->dev, "i2c failed to access (%pe)\n", ERR_PTR(ret));
+	return ret;
 }
 
 static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
-- 
2.30.2

[PATCH AUTOSEL 5.12 094/104] ALSA: hda: Add IRQ check for platform_get_irq()

[Sasha Levin]

From: Jiajun Cao <jjcao20@fudan.edu.cn>

[ Upstream commit 8c13212443230d03ff25014514ec0d53498c0912 ]

The function hda_tegra_first_init() neglects to check the return
value after executing platform_get_irq().

hda_tegra_first_init() should check the return value (if negative
error number) for errors so as to not pass a negative value to
the devm_request_irq().

Fix it by adding a check for the return value irq_id.

Signed-off-by: Jiajun Cao <jjcao20@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210622131947.94346-1-jjcao20@fudan.edu.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/pci/hda/hda_tegra.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 6f2b743b9d75..6c6dc3fcde60 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -262,6 +262,9 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev)
 	const char *sname, *drv_name = "tegra-hda";
 	struct device_node *np = pdev->dev.of_node;
 
+	if (irq_id < 0)
+		return irq_id;
+
 	err = hda_tegra_init_chip(chip, pdev);
 	if (err)
 		return err;
-- 
2.30.2

[PATCH AUTOSEL 5.12 095/104] ALSA: usb-audio: scarlett2: Fix 6i6 Gen 2 line out descriptions

[Sasha Levin]

From: "Geoffrey D. Bennett" <g@b4.vu>

[ Upstream commit c712c6c0ff2d60478582e337185bcdd520a7dc2e ]

There are two headphone outputs, and they map to the four analogue
outputs.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/205e5e5348f08ded0cc4da5446f604d4b91db5bf.1624294591.git.g@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/usb/mixer_scarlett_gen2.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index a829c3c7a30c..558b51dc37da 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -254,10 +254,10 @@ static const struct scarlett2_device_info s6i6_gen2_info = {
 	.pad_input_count = 2,
 
 	.line_out_descrs = {
-		"Monitor L",
-		"Monitor R",
-		"Headphones L",
-		"Headphones R",
+		"Headphones 1 L",
+		"Headphones 1 R",
+		"Headphones 2 L",
+		"Headphones 2 R",
 	},
 
 	.ports = {
-- 
2.30.2

[PATCH AUTOSEL 5.12 096/104] ALSA: firewire-motu: fix detection for S/PDIF source on optical interface in v2 protocol

[Sasha Levin]

From: Takashi Sakamoto <o-takashi@sakamocchi.jp>

[ Upstream commit fa4db23233eb912234bdfb0b26a38be079c6b5ea ]

The devices in protocol version 2 has a register with flag for IEC 60958
signal detection as source of sampling clock without discrimination
between coaxial and optical interfaces. On the other hand, current
implementation of driver manage to interpret type of signal on optical
interface instead.

This commit fixes the detection of optical/coaxial interface for S/PDIF
signal.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210623075941.72562-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/firewire/motu/motu-protocol-v2.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/sound/firewire/motu/motu-protocol-v2.c b/sound/firewire/motu/motu-protocol-v2.c
index e59e69ab1538..f0d478c5edc8 100644
--- a/sound/firewire/motu/motu-protocol-v2.c
+++ b/sound/firewire/motu/motu-protocol-v2.c
@@ -86,24 +86,23 @@ static int detect_clock_source_optical_model(struct snd_motu *motu, u32 data,
 		*src = SND_MOTU_CLOCK_SOURCE_INTERNAL;
 		break;
 	case 1:
+		*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;
+		break;
+	case 2:
 	{
 		__be32 reg;
 
 		// To check the configuration of optical interface.
-		int err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET,
-						    &reg, sizeof(reg));
+		int err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET, &reg, sizeof(reg));
 		if (err < 0)
 			return err;
 
-		if (be32_to_cpu(reg) & 0x00000200)
+		if (((data & V2_OPT_IN_IFACE_MASK) >> V2_OPT_IN_IFACE_SHIFT) == V2_OPT_IFACE_MODE_SPDIF)
 			*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT;
 		else
-			*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;
+			*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
 		break;
 	}
-	case 2:
-		*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
-		break;
 	case 3:
 		*src = SND_MOTU_CLOCK_SOURCE_SPH;
 		break;
-- 
2.30.2

[PATCH AUTOSEL 5.12 097/104] jfs: fix GPF in diFree

[Sasha Levin]

From: Pavel Skripkin <paskripkin@gmail.com>

[ Upstream commit 9d574f985fe33efd6911f4d752de6f485a1ea732 ]

Avoid passing inode with
JFS_SBI(inode->i_sb)->ipimap == NULL to
diFree()[1]. GFP will appear:

	struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap;
	struct inomap *imap = JFS_IP(ipimap)->i_imap;

JFS_IP() will return invalid pointer when ipimap == NULL

Call Trace:
 diFree+0x13d/0x2dc0 fs/jfs/jfs_imap.c:853 [1]
 jfs_evict_inode+0x2c9/0x370 fs/jfs/inode.c:154
 evict+0x2ed/0x750 fs/inode.c:578
 iput_final fs/inode.c:1654 [inline]
 iput.part.0+0x3fe/0x820 fs/inode.c:1680
 iput+0x58/0x70 fs/inode.c:1670

Reported-and-tested-by: syzbot+0a89a7b56db04c21a656@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/jfs/inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 6f65bfa9f18d..b0eb9c85eea0 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -151,7 +151,8 @@ void jfs_evict_inode(struct inode *inode)
 			if (test_cflag(COMMIT_Freewmap, inode))
 				jfs_free_zero_link(inode);
 
-			diFree(inode);
+			if (JFS_SBI(inode->i_sb)->ipimap)
+				diFree(inode);
 
 			/*
 			 * Free the inode from the quota allocation.
-- 
2.30.2

[PATCH AUTOSEL 5.12 098/104] leds: turris-omnia: add missing MODULE_DEVICE_TABLE

[Sasha Levin]

From: Zou Wei <zou_wei@huawei.com>

[ Upstream commit 9d0150db97583cfbb6b44cbe02241a1a48f90210 ]

This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/leds/leds-turris-omnia.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/leds/leds-turris-omnia.c b/drivers/leds/leds-turris-omnia.c
index 2f9a289ab245..1adfed1c0619 100644
--- a/drivers/leds/leds-turris-omnia.c
+++ b/drivers/leds/leds-turris-omnia.c
@@ -274,6 +274,7 @@ static const struct i2c_device_id omnia_id[] = {
 	{ "omnia", 0 },
 	{ }
 };
+MODULE_DEVICE_TABLE(i2c, omnia_id);
 
 static struct i2c_driver omnia_leds_driver = {
 	.probe		= omnia_leds_probe,
-- 
2.30.2

[PATCH AUTOSEL 5.12 099/104] staging: rtl8723bs: fix macro value for 2.4Ghz only device

[Sasha Levin]

From: Fabio Aiuto <fabioaiuto83@gmail.com>

[ Upstream commit 6d490a27e23c5fb79b766530016ab8665169498e ]

fix IQK_Matrix_Settings_NUM macro value to 14 which is
the max channel number value allowed in a 2.4Ghz device.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/0b4a876929949248aa18cb919da3583c65e4ee4e.1624367072.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/staging/rtl8723bs/hal/odm.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8723bs/hal/odm.h b/drivers/staging/rtl8723bs/hal/odm.h
index 16e8f66a3171..a8d232245227 100644
--- a/drivers/staging/rtl8723bs/hal/odm.h
+++ b/drivers/staging/rtl8723bs/hal/odm.h
@@ -197,10 +197,7 @@ typedef struct _ODM_RATE_ADAPTIVE {
 
 #define AVG_THERMAL_NUM		8
 #define IQK_Matrix_REG_NUM	8
-#define IQK_Matrix_Settings_NUM	(14 + 24 + 21) /*   Channels_2_4G_NUM
-						* + Channels_5G_20M_NUM
-						* + Channels_5G
-						*/
+#define IQK_Matrix_Settings_NUM	14 /* Channels_2_4G_NUM */
 
 #define		DM_Type_ByFW			0
 #define		DM_Type_ByDriver		1
-- 
2.30.2

[PATCH AUTOSEL 5.12 100/104] intel_th: Wait until port is in reset before programming it

[Sasha Levin]

From: Alexander Shishkin <alexander.shishkin@linux.intel.com>

[ Upstream commit ab1afed701d2db7eb35c1a2526a29067a38e93d1 ]

Some devices don't drain their pipelines if we don't make sure that
the corresponding output port is in reset before programming it for
a new trace capture, resulting in bits of old trace appearing in the
new trace capture. Fix that by explicitly making sure the reset is
asserted before programming new trace capture.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lore.kernel.org/r/20210621151246.31891-5-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hwtracing/intel_th/core.c     | 17 +++++++++++++++++
 drivers/hwtracing/intel_th/gth.c      | 16 ++++++++++++++++
 drivers/hwtracing/intel_th/intel_th.h |  3 +++
 3 files changed, 36 insertions(+)

diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index c9ac3dc65113..9cb8c7d13d46 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -215,6 +215,22 @@ static ssize_t port_show(struct device *dev, struct device_attribute *attr,
 
 static DEVICE_ATTR_RO(port);
 
+static void intel_th_trace_prepare(struct intel_th_device *thdev)
+{
+	struct intel_th_device *hub = to_intel_th_hub(thdev);
+	struct intel_th_driver *hubdrv = to_intel_th_driver(hub->dev.driver);
+
+	if (hub->type != INTEL_TH_SWITCH)
+		return;
+
+	if (thdev->type != INTEL_TH_OUTPUT)
+		return;
+
+	pm_runtime_get_sync(&thdev->dev);
+	hubdrv->prepare(hub, &thdev->output);
+	pm_runtime_put(&thdev->dev);
+}
+
 static int intel_th_output_activate(struct intel_th_device *thdev)
 {
 	struct intel_th_driver *thdrv =
@@ -235,6 +251,7 @@ static int intel_th_output_activate(struct intel_th_device *thdev)
 	if (ret)
 		goto fail_put;
 
+	intel_th_trace_prepare(thdev);
 	if (thdrv->activate)
 		ret = thdrv->activate(thdev);
 	else
diff --git a/drivers/hwtracing/intel_th/gth.c b/drivers/hwtracing/intel_th/gth.c
index 28509b02a0b5..b3308934a687 100644
--- a/drivers/hwtracing/intel_th/gth.c
+++ b/drivers/hwtracing/intel_th/gth.c
@@ -564,6 +564,21 @@ static void gth_tscu_resync(struct gth_device *gth)
 	iowrite32(reg, gth->base + REG_TSCU_TSUCTRL);
 }
 
+static void intel_th_gth_prepare(struct intel_th_device *thdev,
+				 struct intel_th_output *output)
+{
+	struct gth_device *gth = dev_get_drvdata(&thdev->dev);
+	int count;
+
+	/*
+	 * Wait until the output port is in reset before we start
+	 * programming it.
+	 */
+	for (count = GTH_PLE_WAITLOOP_DEPTH;
+	     count && !(gth_output_get(gth, output->port) & BIT(5)); count--)
+		cpu_relax();
+}
+
 /**
  * intel_th_gth_enable() - enable tracing to an output device
  * @thdev:	GTH device
@@ -815,6 +830,7 @@ static struct intel_th_driver intel_th_gth_driver = {
 	.assign		= intel_th_gth_assign,
 	.unassign	= intel_th_gth_unassign,
 	.set_output	= intel_th_gth_set_output,
+	.prepare	= intel_th_gth_prepare,
 	.enable		= intel_th_gth_enable,
 	.trig_switch	= intel_th_gth_switch,
 	.disable	= intel_th_gth_disable,
diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h
index 5fe694708b7a..595615b79108 100644
--- a/drivers/hwtracing/intel_th/intel_th.h
+++ b/drivers/hwtracing/intel_th/intel_th.h
@@ -143,6 +143,7 @@ intel_th_output_assigned(struct intel_th_device *thdev)
  * @remove:	remove method
  * @assign:	match a given output type device against available outputs
  * @unassign:	deassociate an output type device from an output port
+ * @prepare:	prepare output port for tracing
  * @enable:	enable tracing for a given output device
  * @disable:	disable tracing for a given output device
  * @irq:	interrupt callback
@@ -164,6 +165,8 @@ struct intel_th_driver {
 					  struct intel_th_device *othdev);
 	void			(*unassign)(struct intel_th_device *thdev,
 					    struct intel_th_device *othdev);
+	void			(*prepare)(struct intel_th_device *thdev,
+					   struct intel_th_output *output);
 	void			(*enable)(struct intel_th_device *thdev,
 					  struct intel_th_output *output);
 	void			(*trig_switch)(struct intel_th_device *thdev,
-- 
2.30.2

[PATCH AUTOSEL 5.12 101/104] i2c: core: Disable client irq on reboot/shutdown

[Sasha Levin]

From: Dmitry Torokhov <dmitry.torokhov@gmail.com>

[ Upstream commit b64210f2f7c11c757432ba3701d88241b2b98fb1 ]

If an i2c client receives an interrupt during reboot or shutdown it may
be too late to service it by making an i2c transaction on the bus
because the i2c controller has already been shutdown. This can lead to
system hangs if the i2c controller tries to make a transfer that is
doomed to fail because the access to the i2c pins is already shut down,
or an iommu translation has been torn down so i2c controller register
access doesn't work.

Let's simply disable the irq if there isn't a shutdown callback for an
i2c client when there is an irq associated with the device. This will
make sure that irqs don't come in later than the time that we can handle
it. We don't do this if the i2c client device already has a shutdown
callback because presumably they're doing the right thing and quieting
the device so irqs don't come in after the shutdown callback returns.

Reported-by: kernel test robot <lkp@intel.com>
[swboyd@chromium.org: Dropped newline, added commit text, added
interrupt.h for robot build error]
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/i2c/i2c-core-base.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index f21362355973..8e4be0d4ce34 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -24,6 +24,7 @@
 #include <linux/i2c-smbus.h>
 #include <linux/idr.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/irqflags.h>
 #include <linux/jump_label.h>
 #include <linux/kernel.h>
@@ -587,6 +588,8 @@ static void i2c_device_shutdown(struct device *dev)
 	driver = to_i2c_driver(dev->driver);
 	if (driver->shutdown)
 		driver->shutdown(client);
+	else if (client->irq > 0)
+		disable_irq(client->irq);
 }
 
 static void i2c_client_dev_release(struct device *dev)
-- 
2.30.2

[PATCH AUTOSEL 5.12 102/104] phy: intel: Fix for warnings due to EMMC clock 175Mhz change in FIP

[Sasha Levin]

From: Rashmi A <rashmi.a@intel.com>

[ Upstream commit 2f2b73a29d2aabf5ad0150856c3e5cb6e04dcfc1 ]

Since the EMMC clock was changed from 200Mhz to 175Mhz in FIP,
there were some warnings introduced, as the frequency values
being checked was still wrt 200Mhz in code. Hence, the frequency
checks are now updated based on the current 175Mhz EMMC clock changed
in FIP.

Spamming kernel log msg:
"phy phy-20290000.mmc_phy.2: Unsupported rate: 43750000"

Signed-off-by: Rashmi A <rashmi.a@intel.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210603182242.25733-3-rashmi.a@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/phy/intel/phy-intel-keembay-emmc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/intel/phy-intel-keembay-emmc.c b/drivers/phy/intel/phy-intel-keembay-emmc.c
index eb7c635ed89a..0eb11ac7c2e2 100644
--- a/drivers/phy/intel/phy-intel-keembay-emmc.c
+++ b/drivers/phy/intel/phy-intel-keembay-emmc.c
@@ -95,7 +95,8 @@ static int keembay_emmc_phy_power(struct phy *phy, bool on_off)
 	else
 		freqsel = 0x0;
 
-	if (mhz < 50 || mhz > 200)
+	/* Check for EMMC clock rate*/
+	if (mhz > 175)
 		dev_warn(&phy->dev, "Unsupported rate: %d MHz\n", mhz);
 
 	/*
-- 
2.30.2

[PATCH AUTOSEL 5.12 103/104] lib/decompress_unlz4.c: correctly handle zero-padding around initrds.

[Sasha Levin]

From: Dimitri John Ledkov <dimitri.ledkov@canonical.com>

[ Upstream commit 2c484419efc09e7234c667aa72698cb79ba8d8ed ]

lz4 compatible decompressor is simple.  The format is underspecified and
relies on EOF notification to determine when to stop.  Initramfs buffer
format[1] explicitly states that it can have arbitrary number of zero
padding.  Thus when operating without a fill function, be extra careful to
ensure that sizes less than 4, or apperantly empty chunksizes are treated
as EOF.

To test this I have created two cpio initrds, first a normal one,
main.cpio.  And second one with just a single /test-file with content
"second" second.cpio.  Then i compressed both of them with gzip, and with
lz4 -l.  Then I created a padding of 4 bytes (dd if=/dev/zero of=pad4 bs=1
count=4).  To create four testcase initrds:

 1) main.cpio.gzip + extra.cpio.gzip = pad0.gzip
 2) main.cpio.lz4  + extra.cpio.lz4 = pad0.lz4
 3) main.cpio.gzip + pad4 + extra.cpio.gzip = pad4.gzip
 4) main.cpio.lz4  + pad4 + extra.cpio.lz4 = pad4.lz4

The pad4 test-cases replicate the initrd load by grub, as it pads and
aligns every initrd it loads.

All of the above boot, however /test-file was not accessible in the initrd
for the testcase #4, as decoding in lz4 decompressor failed.  Also an
error message printed which usually is harmless.

Whith a patched kernel, all of the above testcases now pass, and
/test-file is accessible.

This fixes lz4 initrd decompress warning on every boot with grub.  And
more importantly this fixes inability to load multiple lz4 compressed
initrds with grub.  This patch has been shipping in Ubuntu kernels since
January 2021.

[1] ./Documentation/driver-api/early-userspace/buffer-format.rst

BugLink: https://bugs.launchpad.net/bugs/1835660
Link: https://lore.kernel.org/lkml/20210114200256.196589-1-xnox@ubuntu.com/ # v0
Link: https://lkml.kernel.org/r/20210513104831.432975-1-dimitri.ledkov@canonical.com
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Cc: Kyungsik Lee <kyungsik.lee@lge.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Bongkyu Kim <bongkyu.kim@lge.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
Cc: Rajat Asthana <thisisrast7@gmail.com>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 lib/decompress_unlz4.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c
index c0cfcfd486be..e6327391b6b6 100644
--- a/lib/decompress_unlz4.c
+++ b/lib/decompress_unlz4.c
@@ -112,6 +112,9 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 				error("data corrupted");
 				goto exit_2;
 			}
+		} else if (size < 4) {
+			/* empty or end-of-file */
+			goto exit_3;
 		}
 
 		chunksize = get_unaligned_le32(inp);
@@ -125,6 +128,10 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 			continue;
 		}
 
+		if (!fill && chunksize == 0) {
+			/* empty or end-of-file */
+			goto exit_3;
+		}
 
 		if (posp)
 			*posp += 4;
@@ -184,6 +191,7 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 		}
 	}
 
+exit_3:
 	ret = 0;
 exit_2:
 	if (!input)
-- 
2.30.2

[PATCH AUTOSEL 5.12 104/104] kcov: add __no_sanitize_coverage to fix noinstr for all architectures

[Sasha Levin]

From: Marco Elver <elver@google.com>

[ Upstream commit 540540d06e9d9b3769b46d88def90f7e7c002322 ]

Until now no compiler supported an attribute to disable coverage
instrumentation as used by KCOV.

To work around this limitation on x86, noinstr functions have their
coverage instrumentation turned into nops by objtool.  However, this
solution doesn't scale automatically to other architectures, such as
arm64, which are migrating to use the generic entry code.

Clang [1] and GCC [2] have added support for the attribute recently.
[1] https://github.com/llvm/llvm-project/commit/280333021e9550d80f5c1152a34e33e81df1e178
[2] https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=cec4d4a6782c9bd8d071839c50a239c49caca689
The changes will appear in Clang 13 and GCC 12.

Add __no_sanitize_coverage for both compilers, and add it to noinstr.

Note: In the Clang case, __has_feature(coverage_sanitizer) is only true if
the feature is enabled, and therefore we do not require an additional
defined(CONFIG_KCOV) (like in the GCC case where __has_attribute(..) is
always true) to avoid adding redundant attributes to functions if KCOV is
off.  That being said, compilers that support the attribute will not
generate errors/warnings if the attribute is redundantly used; however,
where possible let's avoid it as it reduces preprocessed code size and
associated compile-time overheads.

[elver@google.com: Implement __has_feature(coverage_sanitizer) in Clang]
  Link: https://lkml.kernel.org/r/20210527162655.3246381-1-elver@google.com
[elver@google.com: add comment explaining __has_feature() in Clang]
  Link: https://lkml.kernel.org/r/20210527194448.3470080-1-elver@google.com

Link: https://lkml.kernel.org/r/20210525175819.699786-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Will Deacon <will@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Arvind Sankar <nivedita@alum.mit.edu>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Sami Tolvanen <samitolvanen@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/compiler-clang.h | 17 +++++++++++++++++
 include/linux/compiler-gcc.h   |  6 ++++++
 include/linux/compiler_types.h |  2 +-
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index d217c382b02d..4d87b36dbc8c 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -13,6 +13,12 @@
 /* all clang versions usable with the kernel support KASAN ABI version 5 */
 #define KASAN_ABI_VERSION 5
 
+/*
+ * Note: Checking __has_feature(*_sanitizer) is only true if the feature is
+ * enabled. Therefore it is not required to additionally check defined(CONFIG_*)
+ * to avoid adding redundant attributes in other configurations.
+ */
+
 #if __has_feature(address_sanitizer) || __has_feature(hwaddress_sanitizer)
 /* Emulate GCC's __SANITIZE_ADDRESS__ flag */
 #define __SANITIZE_ADDRESS__
@@ -45,6 +51,17 @@
 #define __no_sanitize_undefined
 #endif
 
+/*
+ * Support for __has_feature(coverage_sanitizer) was added in Clang 13 together
+ * with no_sanitize("coverage"). Prior versions of Clang support coverage
+ * instrumentation, but cannot be queried for support by the preprocessor.
+ */
+#if __has_feature(coverage_sanitizer)
+#define __no_sanitize_coverage __attribute__((no_sanitize("coverage")))
+#else
+#define __no_sanitize_coverage
+#endif
+
 /*
  * Not all versions of clang implement the type-generic versions
  * of the builtin overflow checkers. Fortunately, clang implements
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 48750243db4c..c6ab0dcb9c0c 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -126,6 +126,12 @@
 #define __no_sanitize_undefined
 #endif
 
+#if defined(CONFIG_KCOV) && __has_attribute(__no_sanitize_coverage__)
+#define __no_sanitize_coverage __attribute__((no_sanitize_coverage))
+#else
+#define __no_sanitize_coverage
+#endif
+
 #if GCC_VERSION >= 50100
 #define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1
 #endif
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index e5dd5a4ae946..652217da3b7c 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -210,7 +210,7 @@ struct ftrace_likely_data {
 /* Section for code which can't be instrumented at all */
 #define noinstr								\
 	noinline notrace __attribute((__section__(".noinstr.text")))	\
-	__no_kcsan __no_sanitize_address
+	__no_kcsan __no_sanitize_address __no_sanitize_coverage
 
 #endif /* __KERNEL__ */
 
-- 
2.30.2

Re: [PATCH AUTOSEL 5.12 049/104] char: xillybus: Fix condition for invoking the xillybus/ subdirectory

[Eli Billauer]

Hello Sasha,

Thanks for trying, but this is a NACK.

On 10/07/21 05:21, Sasha Levin wrote:
> diff --git a/drivers/char/Makefile b/drivers/char/Makefile
> index ffce287ef415..c7e4fc733a37 100644
> --- a/drivers/char/Makefile
> +++ b/drivers/char/Makefile
> @@ -44,6 +44,6 @@ obj-$(CONFIG_TCG_TPM)		+= tpm/
>
>   obj-$(CONFIG_PS3_FLASH)		+= ps3flash.o
>
> -obj-$(CONFIG_XILLYBUS)		+= xillybus/
> +obj-$(CONFIG_XILLYBUS_CLASS)	+= xillybus/
>   obj-$(CONFIG_POWERNV_OP_PANEL)	+= powernv-op-panel.o
>    
CONFIG_XILLYBUS_CLASS will be introduced in v5.14, so backporting this 
commit will break the kernel's build.

Since this patch was created for three kernel versions, I'm repeating 
this response on all three, just be sure. Hope I'm not being annoying.

    Eli