[PATCH] oss: 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.

Extracted for OSS/Free changes from Ingo's original patches.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

6 files changed, 53 insertions, 53 deletions

diff --git a/sound/oss/ac97_codec.c b/sound/oss/ac97_codec.c
index fd25aca25120..972327c97644 100644
--- a/sound/oss/ac97_codec.c
+++ b/sound/oss/ac97_codec.c
@@ -55,7 +55,7 @@
 #include <linux/pci.h>
 #include <linux/ac97_codec.h>
 #include <asm/uaccess.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #define CODEC_ID_BUFSZ 14
 
@@ -304,7 +304,7 @@ static const unsigned int ac97_oss_rm[] = {
 
 static LIST_HEAD(codecs);
 static LIST_HEAD(codec_drivers);
-static DECLARE_MUTEX(codec_sem);
+static DEFINE_MUTEX(codec_mutex);
 
 /* reads the given OSS mixer from the ac97 the caller must have insured that the ac97 knows
    about that given mixer, and should be holding a spinlock for the card */
@@ -769,9 +769,9 @@ void ac97_release_codec(struct ac97_codec *codec)
 {
         /* Remove from the list first, we don't want to be
            "rediscovered" */
-        down(&codec_sem);
+        mutex_lock(&codec_mutex);
         list_del(&codec->list);
-        up(&codec_sem);
+        mutex_unlock(&codec_mutex);
         /*
          *      The driver needs to deal with internal
          *      locking to avoid accidents here. 
@@ -889,7 +889,7 @@ int ac97_probe_codec(struct ac97_codec *codec)
          *      callbacks.
          */
          
-        down(&codec_sem);
+        mutex_lock(&codec_mutex);
         list_add(&codec->list, &codecs);
 
         list_for_each(l, &codec_drivers) {
@@ -903,7 +903,7 @@ int ac97_probe_codec(struct ac97_codec *codec)
                 }
         }
 
-        up(&codec_sem);
+        mutex_unlock(&codec_mutex);
         return 1;
 }
 
@@ -1439,7 +1439,7 @@ int ac97_register_driver(struct ac97_driver *driver)
         struct list_head *l;
         struct ac97_codec *c;
         
-        down(&codec_sem);
+        mutex_lock(&codec_mutex);
         INIT_LIST_HEAD(&driver->list);
         list_add(&driver->list, &codec_drivers);
         
@@ -1452,7 +1452,7 @@ int ac97_register_driver(struct ac97_driver *driver)
                         continue;
                 c->driver = driver;
         }
-        up(&codec_sem);
+        mutex_unlock(&codec_mutex);
         return 0;
 }
 
@@ -1471,7 +1471,7 @@ void ac97_unregister_driver(struct ac97_driver *driver)
         struct list_head *l;
         struct ac97_codec *c;
         
-        down(&codec_sem);
+        mutex_lock(&codec_mutex);
         list_del_init(&driver->list);
 
         list_for_each(l, &codecs)
@@ -1483,7 +1483,7 @@ void ac97_unregister_driver(struct ac97_driver *driver)
                 }
         }
         
-        up(&codec_sem);
+        mutex_unlock(&codec_mutex);
 }
 
 EXPORT_SYMBOL_GPL(ac97_unregister_driver);
@@ -1494,14 +1494,14 @@ static int swap_headphone(int remove_master)
         struct ac97_codec *c;
         
         if (remove_master) {
-                down(&codec_sem);
+                mutex_lock(&codec_mutex);
                 list_for_each(l, &codecs)
                 {
                         c = list_entry(l, struct ac97_codec, list);
                         if (supported_mixer(c, SOUND_MIXER_PHONEOUT))
                                 c->supported_mixers &= ~SOUND_MASK_PHONEOUT;
                 }
-                up(&codec_sem);
+                mutex_unlock(&codec_mutex);
         } else
                 ac97_hw[SOUND_MIXER_PHONEOUT].offset = AC97_MASTER_VOL_STEREO;
 
diff --git a/sound/oss/cs4281/cs4281m.c b/sound/oss/cs4281/cs4281m.c
index 0720365f6438..0004442f9b7e 100644
--- a/sound/oss/cs4281/cs4281m.c
+++ b/sound/oss/cs4281/cs4281m.c
@@ -245,9 +245,9 @@ struct cs4281_state {
         void *tmpbuff;          // tmp buffer for sample conversions
         unsigned ena;
         spinlock_t lock;
-        struct semaphore open_sem;
-        struct semaphore open_sem_adc;
-        struct semaphore open_sem_dac;
+        struct mutex open_sem;
+        struct mutex open_sem_adc;
+        struct mutex open_sem_dac;
         mode_t open_mode;
         wait_queue_head_t open_wait;
         wait_queue_head_t open_wait_adc;
@@ -3598,20 +3598,20 @@ static int cs4281_release(struct inode *inode, struct file *file)
 
         if (file->f_mode & FMODE_WRITE) {
                 drain_dac(s, file->f_flags & O_NONBLOCK);
-                down(&s->open_sem_dac);
+                mutex_lock(&s->open_sem_dac);
                 stop_dac(s);
                 dealloc_dmabuf(s, &s->dma_dac);
                 s->open_mode &= ~FMODE_WRITE;
-                up(&s->open_sem_dac);
+                mutex_unlock(&s->open_sem_dac);
                 wake_up(&s->open_wait_dac);
         }
         if (file->f_mode & FMODE_READ) {
                 drain_adc(s, file->f_flags & O_NONBLOCK);
-                down(&s->open_sem_adc);
+                mutex_lock(&s->open_sem_adc);
                 stop_adc(s);
                 dealloc_dmabuf(s, &s->dma_adc);
                 s->open_mode &= ~FMODE_READ;
-                up(&s->open_sem_adc);
+                mutex_unlock(&s->open_sem_adc);
                 wake_up(&s->open_wait_adc);
         }
         return 0;
@@ -3651,33 +3651,33 @@ static int cs4281_open(struct inode *inode, struct file *file)
                 return -ENODEV;
         }
         if (file->f_mode & FMODE_WRITE) {
-                down(&s->open_sem_dac);
+                mutex_lock(&s->open_sem_dac);
                 while (s->open_mode & FMODE_WRITE) {
                         if (file->f_flags & O_NONBLOCK) {
-                                up(&s->open_sem_dac);
+                                mutex_unlock(&s->open_sem_dac);
                                 return -EBUSY;
                         }
-                        up(&s->open_sem_dac);
+                        mutex_unlock(&s->open_sem_dac);
                         interruptible_sleep_on(&s->open_wait_dac);
 
                         if (signal_pending(current))
                                 return -ERESTARTSYS;
-                        down(&s->open_sem_dac);
+                        mutex_lock(&s->open_sem_dac);
                 }
         }
         if (file->f_mode & FMODE_READ) {
-                down(&s->open_sem_adc);
+                mutex_lock(&s->open_sem_adc);
                 while (s->open_mode & FMODE_READ) {
                         if (file->f_flags & O_NONBLOCK) {
-                                up(&s->open_sem_adc);
+                                mutex_unlock(&s->open_sem_adc);
                                 return -EBUSY;
                         }
-                        up(&s->open_sem_adc);
+                        mutex_unlock(&s->open_sem_adc);
                         interruptible_sleep_on(&s->open_wait_adc);
 
                         if (signal_pending(current))
                                 return -ERESTARTSYS;
-                        down(&s->open_sem_adc);
+                        mutex_lock(&s->open_sem_adc);
                 }
         }
         s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
@@ -3691,7 +3691,7 @@ static int cs4281_open(struct inode *inode, struct file *file)
                 s->ena &= ~FMODE_READ;
                 s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags =
                     s->dma_adc.subdivision = 0;
-                up(&s->open_sem_adc);
+                mutex_unlock(&s->open_sem_adc);
 
                 if (prog_dmabuf_adc(s)) {
                         CS_DBGOUT(CS_OPEN | CS_ERROR, 2, printk(KERN_ERR
@@ -3711,7 +3711,7 @@ static int cs4281_open(struct inode *inode, struct file *file)
                 s->ena &= ~FMODE_WRITE;
                 s->dma_dac.ossfragshift = s->dma_dac.ossmaxfrags =
                     s->dma_dac.subdivision = 0;
-                up(&s->open_sem_dac);
+                mutex_unlock(&s->open_sem_dac);
 
                 if (prog_dmabuf_dac(s)) {
                         CS_DBGOUT(CS_OPEN | CS_ERROR, 2, printk(KERN_ERR
@@ -3978,17 +3978,17 @@ static int cs4281_midi_open(struct inode *inode, struct file *file)
         VALIDATE_STATE(s);
         file->private_data = s;
         // wait for device to become free 
-        down(&s->open_sem);
+        mutex_lock(&s->open_sem);
         while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
                 if (file->f_flags & O_NONBLOCK) {
-                        up(&s->open_sem);
+                        mutex_unlock(&s->open_sem);
                         return -EBUSY;
                 }
-                up(&s->open_sem);
+                mutex_unlock(&s->open_sem);
                 interruptible_sleep_on(&s->open_wait);
                 if (signal_pending(current))
                         return -ERESTARTSYS;
-                down(&s->open_sem);
+                mutex_lock(&s->open_sem);
         }
         spin_lock_irqsave(&s->lock, flags);
         if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
@@ -4018,7 +4018,7 @@ static int cs4281_midi_open(struct inode *inode, struct file *file)
             (file->
              f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ |
                                             FMODE_MIDI_WRITE);
-        up(&s->open_sem);
+        mutex_unlock(&s->open_sem);
         return nonseekable_open(inode, file);
 }
 
@@ -4057,7 +4057,7 @@ static int cs4281_midi_release(struct inode *inode, struct file *file)
                 remove_wait_queue(&s->midi.owait, &wait);
                 current->state = TASK_RUNNING;
         }
-        down(&s->open_sem);
+        mutex_lock(&s->open_sem);
         s->open_mode &=
             (~(file->f_mode << FMODE_MIDI_SHIFT)) & (FMODE_MIDI_READ |
                                                      FMODE_MIDI_WRITE);
@@ -4067,7 +4067,7 @@ static int cs4281_midi_release(struct inode *inode, struct file *file)
                 del_timer(&s->midi.timer);
         }
         spin_unlock_irqrestore(&s->lock, flags);
-        up(&s->open_sem);
+        mutex_unlock(&s->open_sem);
         wake_up(&s->open_wait);
         return 0;
 }
@@ -4300,9 +4300,9 @@ static int __devinit cs4281_probe(struct pci_dev *pcidev,
         init_waitqueue_head(&s->open_wait_dac);
         init_waitqueue_head(&s->midi.iwait);
         init_waitqueue_head(&s->midi.owait);
-        init_MUTEX(&s->open_sem);
-        init_MUTEX(&s->open_sem_adc);
-        init_MUTEX(&s->open_sem_dac);
+        mutex_init(&s->open_sem);
+        mutex_init(&s->open_sem_adc);
+        mutex_init(&s->open_sem_dac);
         spin_lock_init(&s->lock);
         s->pBA0phys = pci_resource_start(pcidev, 0);
         s->pBA1phys = pci_resource_start(pcidev, 1);
diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c
index 74f975676ccb..a17375141c3a 100644
--- a/sound/oss/dmasound/dmasound_awacs.c
+++ b/sound/oss/dmasound/dmasound_awacs.c
@@ -80,7 +80,7 @@
 #include <linux/kmod.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #ifdef CONFIG_ADB_CUDA
 #include <linux/cuda.h>
 #endif
@@ -130,7 +130,7 @@ static struct resource awacs_rsrc[3];
 static char awacs_name[64];
 static int awacs_revision;
 static int awacs_sleeping;
-static DECLARE_MUTEX(dmasound_sem);
+static DEFINE_MUTEX(dmasound_mutex);
 
 static int sound_device_id;             /* exists after iMac revA */
 static int hw_can_byteswap = 1 ;        /* most pmac sound h/w can */
@@ -312,11 +312,11 @@ extern int daca_enter_sleep(void);
 extern int daca_leave_sleep(void);
 
 #define TRY_LOCK()      \
-        if ((rc = down_interruptible(&dmasound_sem)) != 0)      \
+        if ((rc = mutex_lock_interruptible(&dmasound_mutex)) != 0)      \
                 return rc;
-#define LOCK()          down(&dmasound_sem);
+#define LOCK()          mutex_lock(&dmasound_mutex);
 
-#define UNLOCK()        up(&dmasound_sem);
+#define UNLOCK()        mutex_unlock(&dmasound_mutex);
 
 /* We use different versions that the ones provided in dmasound.h
  * 
diff --git a/sound/oss/emu10k1/hwaccess.h b/sound/oss/emu10k1/hwaccess.h
index 104223a192aa..85e27bda694b 100644
--- a/sound/oss/emu10k1/hwaccess.h
+++ b/sound/oss/emu10k1/hwaccess.h
@@ -181,7 +181,7 @@ struct emu10k1_card
         struct emu10k1_mpuout   *mpuout;
         struct emu10k1_mpuin    *mpuin;
 
-        struct semaphore        open_sem;
+        struct mutex            open_sem;
         mode_t                  open_mode;
         wait_queue_head_t       open_wait;
 
diff --git a/sound/oss/emu10k1/main.c b/sound/oss/emu10k1/main.c
index 23241cbdd90f..0cd44a6f7ac0 100644
--- a/sound/oss/emu10k1/main.c
+++ b/sound/oss/emu10k1/main.c
@@ -1320,7 +1320,7 @@ static int __devinit emu10k1_probe(struct pci_dev *pci_dev, const struct pci_dev
         card->is_aps = (subsysvid == EMU_APS_SUBID);
 
         spin_lock_init(&card->lock);
-        init_MUTEX(&card->open_sem);
+        mutex_init(&card->open_sem);
         card->open_mode = 0;
         init_waitqueue_head(&card->open_wait);
 
diff --git a/sound/oss/emu10k1/midi.c b/sound/oss/emu10k1/midi.c
index b40b5f97aace..959a96794dba 100644
--- a/sound/oss/emu10k1/midi.c
+++ b/sound/oss/emu10k1/midi.c
@@ -110,21 +110,21 @@ match:
 #endif
 
         /* Wait for device to become free */
-        down(&card->open_sem);
+        mutex_lock(&card->open_sem);
         while (card->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
                 if (file->f_flags & O_NONBLOCK) {
-                        up(&card->open_sem);
+                        mutex_unlock(&card->open_sem);
                         return -EBUSY;
                 }
 
-                up(&card->open_sem);
+                mutex_unlock(&card->open_sem);
                 interruptible_sleep_on(&card->open_wait);
 
                 if (signal_pending(current)) {
                         return -ERESTARTSYS;
                 }
 
-                down(&card->open_sem);
+                mutex_lock(&card->open_sem);
         }
 
         if ((midi_dev = (struct emu10k1_mididevice *) kmalloc(sizeof(*midi_dev), GFP_KERNEL)) == NULL)
@@ -183,7 +183,7 @@ match:
 
         card->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
 
-        up(&card->open_sem);
+        mutex_unlock(&card->open_sem);
 
         return nonseekable_open(inode, file);
 }
@@ -234,9 +234,9 @@ static int emu10k1_midi_release(struct inode *inode, struct file *file)
 
         kfree(midi_dev);
 
-        down(&card->open_sem);
+        mutex_lock(&card->open_sem);
         card->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE));
-        up(&card->open_sem);
+        mutex_unlock(&card->open_sem);
         wake_up_interruptible(&card->open_wait);
 
         unlock_kernel();