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 965c8902fe60..1dd8efeff35a 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 2bc634fcb7bb..fee579f10b32 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 ad0a07a3a895..b78d90fe629f 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 8ecfd78e0027..d90dec5484ee 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;