V4L/DVB (3318b): sem2mutex: drivers/media/, #2

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

4 files changed, 16 insertions, 12 deletions

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 965c8902fe6..1dd8efeff35 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -17,6 +17,7 @@
 #include <linux/time.h> /* need struct timeval */
 #include <linux/poll.h>
 #include <linux/device.h>
+#include <linux/mutex.h>
 #endif
 #include <linux/compiler.h> /* need __user */
 
@@ -90,7 +91,7 @@ struct video_device
 
 	/* for videodev.c intenal usage -- please don't touch */
 	int users;                     /* video_exclusive_{open|close} ... */
-	struct semaphore lock;         /* ... helper function uses these   */
+	struct mutex lock;             /* ... helper function uses these   */
 	char devfs_name[64];           /* devfs */
 	struct class_device class_dev; /* sysfs */
 };
diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index 2bc634fcb7b..fee579f10b3 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -11,6 +11,8 @@
 #include <linux/i2c.h>		/* for i2c subsystem */
 #include <asm/io.h>		/* for accessing devices */
 #include <linux/stringify.h>
+#include <linux/mutex.h>
+
 #include <linux/vmalloc.h>	/* for vmalloc() */
 #include <linux/mm.h>		/* for vmalloc_to_page() */
 
@@ -112,7 +114,7 @@ struct saa7146_dev
 
 	/* different device locks */
 	spinlock_t			slock;
-	struct semaphore		lock;
+	struct mutex			lock;
 
 	unsigned char			__iomem *mem;		/* pointer to mapped IO memory */
 	int				revision;	/* chip revision; needed for bug-workarounds*/
@@ -133,15 +135,16 @@ struct saa7146_dev
 	void (*vv_callback)(struct saa7146_dev *dev, unsigned long status);
 
 	/* i2c-stuff */
-	struct semaphore	i2c_lock;
-	u32			i2c_bitrate;
-	struct saa7146_dma	d_i2c;	/* pointer to i2c memory */
-	wait_queue_head_t	i2c_wq;
-	int			i2c_op;
+	struct mutex			i2c_lock;
+
+	u32				i2c_bitrate;
+	struct saa7146_dma		d_i2c;	/* pointer to i2c memory */
+	wait_queue_head_t		i2c_wq;
+	int				i2c_op;
 
 	/* memories */
-	struct saa7146_dma	d_rps0;
-	struct saa7146_dma	d_rps1;
+	struct saa7146_dma		d_rps0;
+	struct saa7146_dma		d_rps1;
 };
 
 /* from saa7146_i2c.c */
@@ -150,7 +153,7 @@ int saa7146_i2c_transfer(struct saa7146_dev *saa, const struct i2c_msg *msgs, in
 
 /* from saa7146_core.c */
 extern struct list_head saa7146_devices;
-extern struct semaphore saa7146_devices_lock;
+extern struct mutex saa7146_devices_lock;
 int saa7146_register_extension(struct saa7146_extension*);
 int saa7146_unregister_extension(struct saa7146_extension*);
 struct saa7146_format* format_by_fourcc(struct saa7146_dev *dev, int fourcc);
diff --git a/include/media/video-buf-dvb.h b/include/media/video-buf-dvb.h
index ad0a07a3a89..b78d90fe629 100644
--- a/include/media/video-buf-dvb.h
+++ b/include/media/video-buf-dvb.h
@@ -11,7 +11,7 @@ struct videobuf_dvb {
 	struct videobuf_queue      dvbq;
 
 	/* video-buf-dvb state info */
-	struct semaphore           lock;
+	struct mutex               lock;
 	struct task_struct         *thread;
 	int                        nfeeds;
 
diff --git a/include/media/video-buf.h b/include/media/video-buf.h
index 8ecfd78e002..d90dec5484e 100644
--- a/include/media/video-buf.h
+++ b/include/media/video-buf.h
@@ -177,7 +177,7 @@ struct videobuf_queue_ops {
 };
 
 struct videobuf_queue {
-	struct semaphore           lock;
+	struct mutex               lock;
 	spinlock_t                 *irqlock;
 	struct pci_dev             *pci;