- 2.6.17 port work build breaks, but the patch set is relativly stable

[linux-flexiantxendom0-3.2.10.git] / sound / oss / rme96xx.c

diff --git a/sound/oss/rme96xx.c b/sound/oss/rme96xx.c
index faa0b79..a1ec9d1 100644 (file)
--- a/sound/oss/rme96xx.c
+++ b/sound/oss/rme96xx.c
@@ -58,6 +58,7 @@ TODO:
 #include <linux/interrupt.h>
 #include <linux/poll.h>
 #include <linux/wait.h>
+#include <linux/mutex.h>
 
 #include <asm/dma.h>
 #include <asm/page.h>
@@ -326,7 +327,7 @@ typedef struct _rme96xx_info {
 
                /* waiting and locking */
                wait_queue_head_t wait;
-               struct semaphore  open_sem;
+               struct mutex  open_mutex;
                wait_queue_head_t open_wait;
 
        } dma[RME96xx_MAX_DEVS]; 
@@ -842,7 +843,7 @@ static void busmaster_free(void* ptr,int size) {
 
 static int rme96xx_dmabuf_init(rme96xx_info * s,struct dmabuf* dma,int ioffset,int ooffset) {
 
-       init_MUTEX(&dma->open_sem);
+       mutex_init(&dma->open_mutex);
        init_waitqueue_head(&dma->open_wait);
        init_waitqueue_head(&dma->wait);
        dma->s = s; 
@@ -1469,21 +1470,21 @@ static int rme96xx_open(struct inode *in, struct file *f)
        dma = &s->dma[devnum];
        f->private_data = dma;
        /* wait for device to become free */
-       down(&dma->open_sem);
+       mutex_lock(&dma->open_mutex);
        while (dma->open_mode & f->f_mode) {
                if (f->f_flags & O_NONBLOCK) {
-                       up(&dma->open_sem);
+                       mutex_unlock(&dma->open_mutex);
                        return -EBUSY;
                }
                add_wait_queue(&dma->open_wait, &wait);
                __set_current_state(TASK_INTERRUPTIBLE);
-               up(&dma->open_sem);
+               mutex_unlock(&dma->open_mutex);
                schedule();
                remove_wait_queue(&dma->open_wait, &wait);
                set_current_state(TASK_RUNNING);
                if (signal_pending(current))
                        return -ERESTARTSYS;
-               down(&dma->open_sem);
+               mutex_lock(&dma->open_mutex);
        }
 
        COMM                ("hardware open")
@@ -1492,7 +1493,7 @@ static int rme96xx_open(struct inode *in, struct file *f)
 
        dma->open_mode |= (f->f_mode & (FMODE_READ | FMODE_WRITE));
        dma->opened = 1;
-       up(&dma->open_sem);
+       mutex_unlock(&dma->open_mutex);
 
        DBG(printk("device num %d open finished\n",devnum));
        return 0;
@@ -1524,7 +1525,7 @@ static int rme96xx_release(struct inode *in, struct file *file)
        }
 
        wake_up(&dma->open_wait);
-       up(&dma->open_sem);
+       mutex_unlock(&dma->open_mutex);
 
        return 0;
 }