1 files changed, 20 insertions, 19 deletions

diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
index df4d3771fa84..dce9016cbcfd 100644
--- a/sound/oss/swarm_cs4297a.c
+++ b/sound/oss/swarm_cs4297a.c
@@ -76,6 +76,7 @@
 #include <linux/init.h>
 #include <linux/poll.h>
 #include <linux/smp_lock.h>
+#include <linux/mutex.h>
 
 #include <asm/byteorder.h>
 #include <asm/dma.h>
@@ -291,9 +292,9 @@ struct cs4297a_state {
         unsigned conversion:1;  // conversion from 16 to 8 bit in progress
         unsigned ena;
         spinlock_t lock;
-        struct semaphore open_sem;
-        struct semaphore open_sem_adc;
-        struct semaphore open_sem_dac;
+        struct mutex open_mutex;
+        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;
@@ -2352,20 +2353,20 @@ static int cs4297a_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;
@@ -2413,37 +2414,37 @@ static int cs4297a_open(struct inode *inode, struct file *file)
                                 ;
                 }
           
-                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)) {
                                 printk("open - sig pending\n");
                                 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)) {
                                 printk("open - sig pending\n");
                                 return -ERESTARTSYS;
                         }
-                        down(&s->open_sem_adc);
+                        mutex_lock(&s->open_sem_adc);
                 }
         }
         s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
@@ -2456,7 +2457,7 @@ static int cs4297a_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
@@ -2474,7 +2475,7 @@ static int cs4297a_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
@@ -2631,8 +2632,8 @@ static int __init cs4297a_init(void)
         init_waitqueue_head(&s->open_wait);
         init_waitqueue_head(&s->open_wait_adc);
         init_waitqueue_head(&s->open_wait_dac);
-        init_MUTEX(&s->open_sem_adc);
-        init_MUTEX(&s->open_sem_dac);
+        mutex_init(&s->open_sem_adc);
+        mutex_init(&s->open_sem_dac);
         spin_lock_init(&s->lock);
 
         s->irq = K_INT_SER_1;