V4L/DVB (3354e): bttv semaphore to mutex conversion

Semaphore to mutex conversion.

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

build-tested.

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

2 files changed, 33 insertions, 32 deletions

diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index 1c6cfe954548..aa4c4c521880 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -684,16 +684,16 @@ int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit)
                 return 1;
 
         /* is it free? */
-        down(&btv->reslock);
+        mutex_lock(&btv->reslock);
         if (btv->resources & bit) {
                 /* no, someone else uses it */
-                up(&btv->reslock);
+                mutex_unlock(&btv->reslock);
                 return 0;
         }
         /* it's free, grab it */
         fh->resources  |= bit;
         btv->resources |= bit;
-        up(&btv->reslock);
+        mutex_unlock(&btv->reslock);
         return 1;
 }
 
@@ -716,10 +716,10 @@ void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits)
                 /* trying to free ressources not allocated by us ... */
                 printk("bttv: BUG! (btres)\n");
         }
-        down(&btv->reslock);
+        mutex_lock(&btv->reslock);
         fh->resources  &= ~bits;
         btv->resources &= ~bits;
-        up(&btv->reslock);
+        mutex_unlock(&btv->reslock);
 }
 
 /* ----------------------------------------------------------------------- */
@@ -1536,12 +1536,12 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
         case VIDIOCSFREQ:
         {
                 unsigned long *freq = arg;
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 btv->freq=*freq;
                 bttv_call_i2c_clients(btv,VIDIOCSFREQ,freq);
                 if (btv->has_matchbox && btv->radio_user)
                         tea5757_set_freq(btv,*freq);
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
 
@@ -1571,10 +1571,10 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                 if (v->mode >= BTTV_TVNORMS)
                         return -EINVAL;
 
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 set_tvnorm(btv,v->mode);
                 bttv_call_i2c_clients(btv,cmd,v);
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
 
@@ -1611,17 +1611,17 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                 if (v->norm >= BTTV_TVNORMS)
                         return -EINVAL;
 
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 if (channel == btv->input &&
                     v->norm == btv->tvnorm) {
                         /* nothing to do */
-                        up(&btv->lock);
+                        mutex_unlock(&btv->lock);
                         return 0;
                 }
 
                 btv->tvnorm = v->norm;
                 set_input(btv,v->channel);
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
 
@@ -1634,14 +1634,14 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                 v->flags |= VIDEO_AUDIO_MUTABLE;
                 v->mode  = VIDEO_SOUND_MONO;
 
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 bttv_call_i2c_clients(btv,cmd,v);
 
                 /* card specific hooks */
                 if (btv->audio_hook)
                         btv->audio_hook(btv,v,0);
 
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
         case VIDIOCSAUDIO:
@@ -1652,7 +1652,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                 if (audio >= bttv_tvcards[btv->c.type].audio_inputs)
                         return -EINVAL;
 
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 audio_mux(btv, (v->flags&VIDEO_AUDIO_MUTE) ? AUDIO_MUTE : AUDIO_UNMUTE);
                 bttv_call_i2c_clients(btv,cmd,v);
 
@@ -1660,7 +1660,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                 if (btv->audio_hook)
                         btv->audio_hook(btv,v,1);
 
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
 
@@ -1694,10 +1694,10 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                 if (i == BTTV_TVNORMS)
                         return -EINVAL;
 
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 set_tvnorm(btv,i);
                 i2c_vidiocschan(btv);
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
         case VIDIOC_QUERYSTD:
@@ -1755,9 +1755,9 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
 
                 if (*i > bttv_tvcards[btv->c.type].video_inputs)
                         return -EINVAL;
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 set_input(btv,*i);
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
 
@@ -1769,7 +1769,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                         return -EINVAL;
                 if (0 != t->index)
                         return -EINVAL;
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 memset(t,0,sizeof(*t));
                 strcpy(t->name, "Television");
                 t->type       = V4L2_TUNER_ANALOG_TV;
@@ -1804,7 +1804,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                         }
                 }
                 /* FIXME: fill capability+audmode */
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
         case VIDIOC_S_TUNER:
@@ -1815,7 +1815,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                         return -EINVAL;
                 if (0 != t->index)
                         return -EINVAL;
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 {
                         struct video_audio va;
                         memset(&va, 0, sizeof(struct video_audio));
@@ -1832,7 +1832,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                         if (btv->audio_hook)
                                 btv->audio_hook(btv,&va,1);
                 }
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
 
@@ -1853,12 +1853,12 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                         return -EINVAL;
                 if (unlikely (f->type != V4L2_TUNER_ANALOG_TV))
                         return -EINVAL;
-                down(&btv->lock);
+                mutex_lock(&btv->lock);
                 btv->freq = f->frequency;
                 bttv_call_i2c_clients(btv,VIDIOCSFREQ,&btv->freq);
                 if (btv->has_matchbox && btv->radio_user)
                         tea5757_set_freq(btv,btv->freq);
-                up(&btv->lock);
+                mutex_unlock(&btv->lock);
                 return 0;
         }
         case VIDIOC_LOG_STATUS:
@@ -3156,7 +3156,7 @@ static int radio_open(struct inode *inode, struct file *file)
                 return -ENODEV;
 
         dprintk("bttv%d: open called (radio)\n",btv->c.nr);
-        down(&btv->lock);
+        mutex_lock(&btv->lock);
 
         btv->radio_user++;
 
@@ -3165,7 +3165,7 @@ static int radio_open(struct inode *inode, struct file *file)
         bttv_call_i2c_clients(btv,AUDC_SET_RADIO,&btv->tuner_type);
         audio_mux(btv,AUDIO_RADIO);
 
-        up(&btv->lock);
+        mutex_unlock(&btv->lock);
         return 0;
 }
 
@@ -3920,8 +3920,8 @@ static int __devinit bttv_probe(struct pci_dev *dev,
         sprintf(btv->c.name,"bttv%d",btv->c.nr);
 
         /* initialize structs / fill in defaults */
-        init_MUTEX(&btv->lock);
-        init_MUTEX(&btv->reslock);
+        mutex_init(&btv->lock);
+        mutex_init(&btv->reslock);
         spin_lock_init(&btv->s_lock);
         spin_lock_init(&btv->gpio_lock);
         init_waitqueue_head(&btv->gpioq);
diff --git a/drivers/media/video/bttvp.h b/drivers/media/video/bttvp.h
index dd00c20ab95e..9cb72f176f7d 100644
--- a/drivers/media/video/bttvp.h
+++ b/drivers/media/video/bttvp.h
@@ -35,6 +35,7 @@
 #include <linux/videodev.h>
 #include <linux/pci.h>
 #include <linux/input.h>
+#include <linux/mutex.h>
 #include <asm/scatterlist.h>
 #include <asm/io.h>
 
@@ -309,9 +310,9 @@ struct bttv {
 
         /* locking */
         spinlock_t s_lock;
-        struct semaphore lock;
+        struct mutex lock;
         int resources;
-        struct semaphore reslock;
+        struct mutex reslock;
 #ifdef VIDIOC_G_PRIORITY
         struct v4l2_prio_state prio;
 #endif