Merge branch 'staging/for_v3.4' into v4l_for_linus

* staging/for_v3.4: (10117 commits)
  [media] update CARDLIST.em28xx
  [media] partially reverts changeset fa5527c
  [media] stb0899: fix the limits for signal strength values
  [media] em28xx: support for 2304:0242 PCTV QuatroStick (510e)
  [media] em28xx: support for 2013:0251 PCTV QuatroStick nano (520e)
  [media] -EINVAL -> -ENOTTY
  [media] gspca - sn9c20x: Cleanup source
  [media] gspca - sn9c20x: Simplify register write for capture start/stop
  [media] gspca - sn9c20x: Add automatic JPEG compression mechanism
  [media] gspca - sn9c20x: Greater delay in case of sensor no response
  [media] gspca - sn9c20x: Optimize the code of write sequences
  [media] gspca - sn9c20x: Add the JPEG compression quality control
  [media] gspca - sn9c20x: Add a delay after Omnivision sensor reset
  [media] gspca - sn9c20x: Propagate USB errors to higher level
  [media] gspca - sn9c20x: Use the new video control mechanism
  [media] gspca - sn9c20x: Fix loss of frame start
  [media] gspca - zc3xx: Lack of register 08 value for sensor cs2102k
  [media] gspca - ov534_9: Add brightness to OmniVision 5621 sensor
  [media] gspca - zc3xx: Add V4L2_CID_JPEG_COMPRESSION_QUALITY control support
  [media] pvrusb2: fix 7MHz & 8MHz DVB-T tuner support for HVR1900 rev D1F5
  ...

1 files changed, 35 insertions, 16 deletions

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 0d556deb497b..af155450cabb 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -289,40 +289,62 @@ enum {
  *
  * system_freezable_wq is equivalent to system_wq except that it's
  * freezable.
+ *
+ * system_nrt_freezable_wq is equivalent to system_nrt_wq except that
+ * it's freezable.
  */
 extern struct workqueue_struct *system_wq;
 extern struct workqueue_struct *system_long_wq;
 extern struct workqueue_struct *system_nrt_wq;
 extern struct workqueue_struct *system_unbound_wq;
 extern struct workqueue_struct *system_freezable_wq;
+extern struct workqueue_struct *system_nrt_freezable_wq;
 
 extern struct workqueue_struct *
-__alloc_workqueue_key(const char *name, unsigned int flags, int max_active,
-		      struct lock_class_key *key, const char *lock_name);
+__alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active,
+	struct lock_class_key *key, const char *lock_name, ...) __printf(1, 6);
 
+/**
+ * alloc_workqueue - allocate a workqueue
+ * @fmt: printf format for the name of the workqueue
+ * @flags: WQ_* flags
+ * @max_active: max in-flight work items, 0 for default
+ * @args: args for @fmt
+ *
+ * Allocate a workqueue with the specified parameters.  For detailed
+ * information on WQ_* flags, please refer to Documentation/workqueue.txt.
+ *
+ * The __lock_name macro dance is to guarantee that single lock_class_key
+ * doesn't end up with different namesm, which isn't allowed by lockdep.
+ *
+ * RETURNS:
+ * Pointer to the allocated workqueue on success, %NULL on failure.
+ */
 #ifdef CONFIG_LOCKDEP
-#define alloc_workqueue(name, flags, max_active)		\
+#define alloc_workqueue(fmt, flags, max_active, args...)	\
 ({								\
 	static struct lock_class_key __key;			\
 	const char *__lock_name;				\
 								\
-	if (__builtin_constant_p(name))				\
-		__lock_name = (name);				\
+	if (__builtin_constant_p(fmt))				\
+		__lock_name = (fmt);				\
 	else							\
-		__lock_name = #name;				\
+		__lock_name = #fmt;				\
 								\
-	__alloc_workqueue_key((name), (flags), (max_active),	\
-			      &__key, __lock_name);		\
+	__alloc_workqueue_key((fmt), (flags), (max_active),	\
+			      &__key, __lock_name, ##args);	\
 })
 #else
-#define alloc_workqueue(name, flags, max_active)		\
-	__alloc_workqueue_key((name), (flags), (max_active), NULL, NULL)
+#define alloc_workqueue(fmt, flags, max_active, args...)	\
+	__alloc_workqueue_key((fmt), (flags), (max_active),	\
+			      NULL, NULL, ##args)
 #endif
 
 /**
  * alloc_ordered_workqueue - allocate an ordered workqueue
- * @name: name of the workqueue
+ * @fmt: printf format for the name of the workqueue
  * @flags: WQ_* flags (only WQ_FREEZABLE and WQ_MEM_RECLAIM are meaningful)
+ * @args: args for @fmt
  *
  * Allocate an ordered workqueue.  An ordered workqueue executes at
  * most one work item at any given time in the queued order.  They are
@@ -331,11 +353,8 @@ __alloc_workqueue_key(const char *name, unsigned int flags, int max_active,
  * RETURNS:
  * Pointer to the allocated workqueue on success, %NULL on failure.
  */
-static inline struct workqueue_struct *
-alloc_ordered_workqueue(const char *name, unsigned int flags)
-{
-	return alloc_workqueue(name, WQ_UNBOUND | flags, 1);
-}
+#define alloc_ordered_workqueue(fmt, flags, args...)		\
+	alloc_workqueue(fmt, WQ_UNBOUND | (flags), 1, ##args)
 
 #define create_workqueue(name)					\
 	alloc_workqueue((name), WQ_MEM_RECLAIM, 1)