Merge commit '8700c95adb03' into timers/nohz

The full dynticks tree needs the latest RCU and sched
upstream updates in order to fix some dependencies.

Merge a common upstream merge point that has these
updates.

Conflicts:
	include/linux/perf_event.h
	kernel/rcutree.h
	kernel/rcutree_plugin.h

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

1 files changed, 13 insertions, 19 deletions

diff --git a/drivers/usb/gadget/uvc_queue.h b/drivers/usb/gadget/uvc_queue.h
index 1812a8ecc5d0..8e76ce982f1e 100644
--- a/drivers/usb/gadget/uvc_queue.h
+++ b/drivers/usb/gadget/uvc_queue.h
@@ -6,6 +6,7 @@
 #include <linux/kernel.h>
 #include <linux/poll.h>
 #include <linux/videodev2.h>
+#include <media/videobuf2-core.h>
 
 /* Maximum frame size in bytes, for sanity checking. */
 #define UVC_MAX_FRAME_SIZE	(16*1024*1024)
@@ -25,42 +26,35 @@ enum uvc_buffer_state {
 };
 
 struct uvc_buffer {
-	unsigned long vma_use_count;
-	struct list_head stream;
-
-	/* Touched by interrupt handler. */
-	struct v4l2_buffer buf;
+	struct vb2_buffer buf;
 	struct list_head queue;
-	wait_queue_head_t wait;
+
 	enum uvc_buffer_state state;
+	void *mem;
+	unsigned int length;
+	unsigned int bytesused;
 };
 
-#define UVC_QUEUE_STREAMING		(1 << 0)
-#define UVC_QUEUE_DISCONNECTED		(1 << 1)
-#define UVC_QUEUE_DROP_INCOMPLETE	(1 << 2)
-#define UVC_QUEUE_PAUSED		(1 << 3)
+#define UVC_QUEUE_DISCONNECTED		(1 << 0)
+#define UVC_QUEUE_DROP_INCOMPLETE	(1 << 1)
+#define UVC_QUEUE_PAUSED		(1 << 2)
 
 struct uvc_video_queue {
-	enum v4l2_buf_type type;
+	struct vb2_queue queue;
+	struct mutex mutex;	/* Protects queue */
 
-	void *mem;
 	unsigned int flags;
 	__u32 sequence;
 
-	unsigned int count;
-	unsigned int buf_size;
 	unsigned int buf_used;
-	struct uvc_buffer buffer[UVC_MAX_VIDEO_BUFFERS];
-	struct mutex mutex;	/* protects buffers and mainqueue */
-	spinlock_t irqlock;	/* protects irqqueue */
 
-	struct list_head mainqueue;
+	spinlock_t irqlock;	/* Protects flags and irqqueue */
 	struct list_head irqqueue;
 };
 
 static inline int uvc_queue_streaming(struct uvc_video_queue *queue)
 {
-	return queue->flags & UVC_QUEUE_STREAMING;
+	return vb2_is_streaming(&queue->queue);
 }
 
 #endif /* __KERNEL__ */