1 files changed, 31 insertions, 30 deletions

diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c
index 265423054caf..b372e88e857f 100644
--- a/sound/oss/vwsnd.c
+++ b/sound/oss/vwsnd.c
@@ -94,7 +94,7 @@
  *      Open will block until the previous client has closed the
  *      device, unless O_NONBLOCK is specified.
  *
- *      The semaphore devc->io_sema serializes PCM I/O syscalls.  This
+ *      The semaphore devc->io_mutex serializes PCM I/O syscalls.  This
  *      is unnecessary in Linux 2.2, because the kernel lock
  *      serializes read, write, and ioctl globally, but it's there,
  *      ready for the brave, new post-kernel-lock world.
@@ -105,7 +105,7 @@
  *      area it owns and update its pointers.  See pcm_output() and
  *      pcm_input() for most of the gory stuff.
  *
- *      devc->mix_sema serializes all mixer ioctls.  This is also
+ *      devc->mix_mutex serializes all mixer ioctls.  This is also
  *      redundant because of the kernel lock.
  *
  *      The lowest level lock is lith->lithium_lock.  It is a
@@ -148,7 +148,8 @@
 #include <linux/smp_lock.h>
 #include <linux/wait.h>
 #include <linux/interrupt.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
 #include <asm/mach-visws/cobalt.h>
 
 #include "sound_config.h"
@@ -1447,11 +1448,11 @@ typedef enum vwsnd_port_flags {
  *
  *      port->lock protects: hwstate, flags, swb_[iu]_avail.
  *
- *      devc->io_sema protects: swstate, sw_*, swb_[iu]_idx.
+ *      devc->io_mutex protects: swstate, sw_*, swb_[iu]_idx.
  *
  *      everything else is only written by open/release or
  *      pcm_{setup,shutdown}(), which are serialized by a
- *      combination of devc->open_sema and devc->io_sema.
+ *      combination of devc->open_mutex and devc->io_mutex.
  */
 
 typedef struct vwsnd_port {
@@ -1507,9 +1508,9 @@ typedef struct vwsnd_dev {
         int             audio_minor;    /* minor number of audio device */
         int             mixer_minor;    /* minor number of mixer device */
 
-        struct semaphore open_sema;
-        struct semaphore io_sema;
-        struct semaphore mix_sema;
+        struct mutex open_mutex;
+        struct mutex io_mutex;
+        struct mutex mix_mutex;
         mode_t          open_mode;
         wait_queue_head_t open_wait;
 
@@ -1633,7 +1634,7 @@ static __inline__ unsigned int swb_inc_i(vwsnd_port_t *port, int inc)
  * mode-setting ioctls have been done, but before the first I/O is
  * done.
  *
- * Locking: called with devc->io_sema held.
+ * Locking: called with devc->io_mutex held.
  *
  * Returns 0 on success, -errno on failure.
  */
@@ -2319,9 +2320,9 @@ static ssize_t vwsnd_audio_read(struct file *file,
         vwsnd_dev_t *devc = file->private_data;
         ssize_t ret;
 
-        down(&devc->io_sema);
+        mutex_lock(&devc->io_mutex);
         ret = vwsnd_audio_do_read(file, buffer, count, ppos);
-        up(&devc->io_sema);
+        mutex_unlock(&devc->io_mutex);
         return ret;
 }
 
@@ -2394,9 +2395,9 @@ static ssize_t vwsnd_audio_write(struct file *file,
         vwsnd_dev_t *devc = file->private_data;
         ssize_t ret;
 
-        down(&devc->io_sema);
+        mutex_lock(&devc->io_mutex);
         ret = vwsnd_audio_do_write(file, buffer, count, ppos);
-        up(&devc->io_sema);
+        mutex_unlock(&devc->io_mutex);
         return ret;
 }
 
@@ -2891,9 +2892,9 @@ static int vwsnd_audio_ioctl(struct inode *inode,
         vwsnd_dev_t *devc = (vwsnd_dev_t *) file->private_data;
         int ret;
 
-        down(&devc->io_sema);
+        mutex_lock(&devc->io_mutex);
         ret = vwsnd_audio_do_ioctl(inode, file, cmd, arg);
-        up(&devc->io_sema);
+        mutex_unlock(&devc->io_mutex);
         return ret;
 }
 
@@ -2929,9 +2930,9 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
                 return -ENODEV;
         }
 
-        down(&devc->open_sema);
+        mutex_lock(&devc->open_mutex);
         while (devc->open_mode & file->f_mode) {
-                up(&devc->open_sema);
+                mutex_unlock(&devc->open_mutex);
                 if (file->f_flags & O_NONBLOCK) {
                         DEC_USE_COUNT;
                         return -EBUSY;
@@ -2941,10 +2942,10 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
                         DEC_USE_COUNT;
                         return -ERESTARTSYS;
                 }
-                down(&devc->open_sema);
+                mutex_lock(&devc->open_mutex);
         }
         devc->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
-        up(&devc->open_sema);
+        mutex_unlock(&devc->open_mutex);
 
         /* get default sample format from minor number. */
 
@@ -2960,7 +2961,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
 
         /* Initialize vwsnd_ports. */
 
-        down(&devc->io_sema);
+        mutex_lock(&devc->io_mutex);
         {
                 if (file->f_mode & FMODE_READ) {
                         devc->rport.swstate        = SW_INITIAL;
@@ -2987,7 +2988,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
                         devc->wport.frag_count     = 0;
                 }
         }
-        up(&devc->io_sema);
+        mutex_unlock(&devc->io_mutex);
 
         file->private_data = devc;
         DBGRV();
@@ -3005,7 +3006,7 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file)
         int err = 0;
 
         lock_kernel();
-        down(&devc->io_sema);
+        mutex_lock(&devc->io_mutex);
         {
                 DBGEV("(inode=0x%p, file=0x%p)\n", inode, file);
 
@@ -3022,13 +3023,13 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file)
                 if (wport)
                         wport->swstate = SW_OFF;
         }
-        up(&devc->io_sema);
+        mutex_unlock(&devc->io_mutex);
 
-        down(&devc->open_sema);
+        mutex_lock(&devc->open_mutex);
         {
                 devc->open_mode &= ~file->f_mode;
         }
-        up(&devc->open_sema);
+        mutex_unlock(&devc->open_mutex);
         wake_up(&devc->open_wait);
         DEC_USE_COUNT;
         DBGR();
@@ -3213,7 +3214,7 @@ static int vwsnd_mixer_ioctl(struct inode *ioctl,
 
         DBGEV("(devc=0x%p, cmd=0x%x, arg=0x%lx)\n", devc, cmd, arg);
 
-        down(&devc->mix_sema);
+        mutex_lock(&devc->mix_mutex);
         {
                 if ((cmd & ~nrmask) == MIXER_READ(0))
                         retval = mixer_read_ioctl(devc, nr, (void __user *) arg);
@@ -3222,7 +3223,7 @@ static int vwsnd_mixer_ioctl(struct inode *ioctl,
                 else
                         retval = -EINVAL;
         }
-        up(&devc->mix_sema);
+        mutex_unlock(&devc->mix_mutex);
         return retval;
 }
 
@@ -3376,9 +3377,9 @@ static int __init attach_vwsnd(struct address_info *hw_config)
 
         /* Initialize as much of *devc as possible */
 
-        init_MUTEX(&devc->open_sema);
-        init_MUTEX(&devc->io_sema);
-        init_MUTEX(&devc->mix_sema);
+        mutex_init(&devc->open_mutex);
+        mutex_init(&devc->io_mutex);
+        mutex_init(&devc->mix_mutex);
         devc->open_mode = 0;
         spin_lock_init(&devc->rport.lock);
         init_waitqueue_head(&devc->rport.queue);