X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Foss%2Fswarm_cs4297a.c;h=471c274c5000e5ebe1dd0f69c5d4e8c57a51c556;hb=refs%2Fheads%2Fvserver;hp=a1de9dcfb4ecc89331428420ab088e16759526c1;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
index a1de9dcfb..471c274c5 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>
@@ -153,8 +154,8 @@ static void start_adc(struct cs4297a_state *s);
 #if CSDEBUG
 static unsigned long cs_debuglevel = 4;	// levels range from 1-9
 static unsigned long cs_debugmask = CS_INIT /*| CS_IOCTL*/;
-MODULE_PARM(cs_debuglevel, "i");
-MODULE_PARM(cs_debugmask, "i");
+module_param(cs_debuglevel, int, 0);
+module_param(cs_debugmask, int, 0);
 #endif
 #define CS_TRUE 	1
 #define CS_FALSE 	0
@@ -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
@@ -2504,7 +2505,7 @@ static /*const */ struct file_operations cs4297a_audio_fops = {
 	.release	= cs4297a_release,
 };
 
-static void cs4297a_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static void cs4297a_interrupt(int irq, void *dev_id)
 {
 	struct cs4297a_state *s = (struct cs4297a_state *) dev_id;
         u32 status;
@@ -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;