1 files changed, 23 insertions, 21 deletions

diff --git a/sound/oss/au1550_ac97.c b/sound/oss/au1550_ac97.c
index bdee050..6a4956b 100644
--- a/sound/oss/au1550_ac97.c
+++ b/sound/oss/au1550_ac97.c
@@ -52,6 +52,8 @@
 #include <linux/spinlock.h>
 #include <linux/smp_lock.h>
 #include <linux/ac97_codec.h>
+#include <linux/mutex.h>
+
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/hardirq.h>
@@ -90,8 +92,8 @@ static struct au1550_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;
 
@@ -1044,7 +1046,7 @@ au1550_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
 
 	count *= db->cnt_factor;
 
-	down(&s->sem);
+	mutex_lock(&s->sem);
 	add_wait_queue(&db->wait, &wait);
 
 	while (count > 0) {
@@ -1064,14 +1066,14 @@ au1550_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
 						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);
 
@@ -1099,7 +1101,7 @@ au1550_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
 	}			/* while (count > 0) */
 
 out:
-	up(&s->sem);
+	mutex_unlock(&s->sem);
 out2:
 	remove_wait_queue(&db->wait, &wait);
 	set_current_state(TASK_RUNNING);
@@ -1125,7 +1127,7 @@ au1550_write(struct file *file, const char *buffer, size_t count, loff_t * ppos)
 
 	count *= db->cnt_factor;
 
-	down(&s->sem);
+	mutex_lock(&s->sem);
 	add_wait_queue(&db->wait, &wait);
 
 	while (count > 0) {
@@ -1143,14 +1145,14 @@ au1550_write(struct file *file, const char *buffer, size_t count, loff_t * ppos)
 						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);
 
@@ -1196,7 +1198,7 @@ au1550_write(struct file *file, const char *buffer, size_t count, loff_t * ppos)
 	}			/* while (count > 0) */
 
 out:
-	up(&s->sem);
+	mutex_unlock(&s->sem);
 out2:
 	remove_wait_queue(&db->wait, &wait);
 	set_current_state(TASK_RUNNING);
@@ -1253,7 +1255,7 @@ au1550_mmap(struct file *file, struct vm_area_struct *vma)
 	int ret = 0;
 
 	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)
@@ -1279,7 +1281,7 @@ au1550_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;
 }
@@ -1790,21 +1792,21 @@ au1550_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);
@@ -1840,8 +1842,8 @@ au1550_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 0;
 }
 
@@ -1858,7 +1860,7 @@ au1550_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);
 		kfree(s->dma_dac.rawbuf);
@@ -1870,7 +1872,7 @@ au1550_release(struct inode *inode, struct file *file)
 		s->dma_adc.rawbuf = NULL;
 	}
 	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;
@@ -1902,7 +1904,7 @@ au1550_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 = ac97_alloc_codec();