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authorIngo Molnar <mingo@elte.hu>2006-03-23 03:00:39 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 07:38:13 -0800
commit910f5d202ce39cc78de1bbb679285a3167de9fb2 (patch)
tree2c5b55c2b141aaf016c459beb397fc702c41b967 /sound/oss/ite8172.c
parent[PATCH] sem2mutex: drivers/block/nbd.c (diff)
downloadlinux-dev-910f5d202ce39cc78de1bbb679285a3167de9fb2.tar.xz
linux-dev-910f5d202ce39cc78de1bbb679285a3167de9fb2.zip
[PATCH] sem2mutex: sound/oss/
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'sound/oss/ite8172.c')
-rw-r--r--sound/oss/ite8172.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/sound/oss/ite8172.c b/sound/oss/ite8172.c
index 8fd2f9a9e668..ffcb910f5c3e 100644
--- a/sound/oss/ite8172.c
+++ b/sound/oss/ite8172.c
@@ -71,6 +71,8 @@
#include <linux/smp_lock.h>
#include <linux/ac97_codec.h>
#include <linux/interrupt.h>
+#include <linux/mutex.h>
+
#include <asm/io.h>
#include <asm/dma.h>
#include <asm/uaccess.h>
@@ -304,7 +306,7 @@ struct it8172_state {
unsigned dacrate, adcrate;
spinlock_t lock;
- struct semaphore open_sem;
+ struct mutex open_mutex;
mode_t open_mode;
wait_queue_head_t open_wait;
@@ -1801,21 +1803,21 @@ static int it8172_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);
}
spin_lock_irqsave(&s->lock, flags);
@@ -1850,7 +1852,7 @@ static int it8172_open(struct inode *inode, struct file *file)
spin_unlock_irqrestore(&s->lock, flags);
s->open_mode |= (file->f_mode & (FMODE_READ | FMODE_WRITE));
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return nonseekable_open(inode, file);
}
@@ -1864,7 +1866,7 @@ static int it8172_release(struct inode *inode, struct file *file)
lock_kernel();
if (file->f_mode & FMODE_WRITE)
drain_dac(s, file->f_flags & O_NONBLOCK);
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
if (file->f_mode & FMODE_WRITE) {
stop_dac(s);
dealloc_dmabuf(s, &s->dma_dac);
@@ -1874,7 +1876,7 @@ static int it8172_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;
@@ -1997,7 +1999,7 @@ static int __devinit it8172_probe(struct pci_dev *pcidev,
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->dev = pcidev;
s->io = pci_resource_start(pcidev, 0);