1 files changed, 23 insertions, 21 deletions

diff --git a/sound/oss/au1000.c b/sound/oss/au1000.c
index c407de86cbb6..fe54de25aafc 100644
--- a/sound/oss/au1000.c
+++ b/sound/oss/au1000.c
@@ -68,6 +68,8 @@
 #include <linux/smp_lock.h>
 #include <linux/ac97_codec.h>
 #include <linux/interrupt.h>
+#include <linux/mutex.h>
+
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/mach-au1x00/au1000.h>
@@ -120,8 +122,8 @@ struct au1000_state {
         int             no_vra; // do not use VRA
 
         spinlock_t      lock;
-        struct semaphore open_sem;
-        struct semaphore sem;
+        struct mutex open_mutex;
+        struct mutex sem;
         mode_t          open_mode;
         wait_queue_head_t open_wait;
 
@@ -1106,7 +1108,7 @@ static ssize_t au1000_read(struct file *file, char *buffer,
 
         count *= db->cnt_factor;
 
-        down(&s->sem);
+        mutex_lock(&s->sem);
         add_wait_queue(&db->wait, &wait);
 
         while (count > 0) {
@@ -1125,14 +1127,14 @@ static ssize_t au1000_read(struct file *file, char *buffer,
                                                 ret = -EAGAIN;
                                         goto out;
                                 }
-                                up(&s->sem);
+                                mutex_unlock(&s->sem);
                                 schedule();
                                 if (signal_pending(current)) {
                                         if (!ret)
                                                 ret = -ERESTARTSYS;
                                         goto out2;
                                 }
-                                down(&s->sem);
+                                mutex_lock(&s->sem);
                         }
                 } while (avail <= 0);
 
@@ -1159,7 +1161,7 @@ static ssize_t au1000_read(struct file *file, char *buffer,
         }                       // while (count > 0)
 
 out:
-        up(&s->sem);
+        mutex_unlock(&s->sem);
 out2:
         remove_wait_queue(&db->wait, &wait);
         set_current_state(TASK_RUNNING);
@@ -1187,7 +1189,7 @@ static ssize_t au1000_write(struct file *file, const char *buffer,
 
         count *= db->cnt_factor;
 
-        down(&s->sem);  
+        mutex_lock(&s->sem);
         add_wait_queue(&db->wait, &wait);
 
         while (count > 0) {
@@ -1204,14 +1206,14 @@ static ssize_t au1000_write(struct file *file, const char *buffer,
                                                 ret = -EAGAIN;
                                         goto out;
                                 }
-                                up(&s->sem);
+                                mutex_unlock(&s->sem);
                                 schedule();
                                 if (signal_pending(current)) {
                                         if (!ret)
                                                 ret = -ERESTARTSYS;
                                         goto out2;
                                 }
-                                down(&s->sem);
+                                mutex_lock(&s->sem);
                         }
                 } while (avail <= 0);
 
@@ -1240,7 +1242,7 @@ static ssize_t au1000_write(struct file *file, const char *buffer,
         }                       // while (count > 0)
 
 out:
-        up(&s->sem);
+        mutex_unlock(&s->sem);
 out2:
         remove_wait_queue(&db->wait, &wait);
         set_current_state(TASK_RUNNING);
@@ -1298,7 +1300,7 @@ static int au1000_mmap(struct file *file, struct vm_area_struct *vma)
         dbg("%s", __FUNCTION__);
     
         lock_kernel();
-        down(&s->sem);
+        mutex_lock(&s->sem);
         if (vma->vm_flags & VM_WRITE)
                 db = &s->dma_dac;
         else if (vma->vm_flags & VM_READ)
@@ -1324,7 +1326,7 @@ static int au1000_mmap(struct file *file, struct vm_area_struct *vma)
         vma->vm_flags &= ~VM_IO;
         db->mapped = 1;
 out:
-        up(&s->sem);
+        mutex_unlock(&s->sem);
         unlock_kernel();
         return ret;
 }
@@ -1829,21 +1831,21 @@ static int  au1000_open(struct inode *inode, struct file *file)
         
         file->private_data = s;
         /* wait for device to become free */
-        down(&s->open_sem);
+        mutex_lock(&s->open_mutex);
         while (s->open_mode & file->f_mode) {
                 if (file->f_flags & O_NONBLOCK) {
-                        up(&s->open_sem);
+                        mutex_unlock(&s->open_mutex);
                         return -EBUSY;
                 }
                 add_wait_queue(&s->open_wait, &wait);
                 __set_current_state(TASK_INTERRUPTIBLE);
-                up(&s->open_sem);
+                mutex_unlock(&s->open_mutex);
                 schedule();
                 remove_wait_queue(&s->open_wait, &wait);
                 set_current_state(TASK_RUNNING);
                 if (signal_pending(current))
                         return -ERESTARTSYS;
-                down(&s->open_sem);
+                mutex_lock(&s->open_mutex);
         }
 
         stop_dac(s);
@@ -1879,8 +1881,8 @@ static int  au1000_open(struct inode *inode, struct file *file)
         }
 
         s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
-        up(&s->open_sem);
-        init_MUTEX(&s->sem);
+        mutex_unlock(&s->open_mutex);
+        mutex_init(&s->sem);
         return nonseekable_open(inode, file);
 }
 
@@ -1896,7 +1898,7 @@ static int au1000_release(struct inode *inode, struct file *file)
                 lock_kernel();
         }
 
-        down(&s->open_sem);
+        mutex_lock(&s->open_mutex);
         if (file->f_mode & FMODE_WRITE) {
                 stop_dac(s);
                 dealloc_dmabuf(s, &s->dma_dac);
@@ -1906,7 +1908,7 @@ static int au1000_release(struct inode *inode, struct file *file)
                 dealloc_dmabuf(s, &s->dma_adc);
         }
         s->open_mode &= ((~file->f_mode) & (FMODE_READ|FMODE_WRITE));
-        up(&s->open_sem);
+        mutex_unlock(&s->open_mutex);
         wake_up(&s->open_wait);
         unlock_kernel();
         return 0;
@@ -1996,7 +1998,7 @@ static int __devinit au1000_probe(void)
         init_waitqueue_head(&s->dma_adc.wait);
         init_waitqueue_head(&s->dma_dac.wait);
         init_waitqueue_head(&s->open_wait);
-        init_MUTEX(&s->open_sem);
+        mutex_init(&s->open_mutex);
         spin_lock_init(&s->lock);
         s->codec.private_data = s;
         s->codec.id = 0;