The patch titled
use mutex instead of semaphore in Virtual Video driver
has been removed from the -mm tree. Its filename was
use-mutex-instead-of-semaphore-in-virtual-video-driver.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: use mutex instead of semaphore in Virtual Video driver
From: Matthias Kaehlcke <[EMAIL PROTECTED]>
The Virtual Video driver uses a semaphore as mutex. Use the mutex API instead
of the (binary) semaphore.
Signed-off-by: Matthias Kaehlcke <[EMAIL PROTECTED]>
Cc: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/media/video/vivi.c | 15 ++++++++-------
1 files changed, 8 insertions(+), 7 deletions(-)
diff -puN
drivers/media/video/vivi.c~use-mutex-instead-of-semaphore-in-virtual-video-driver
drivers/media/video/vivi.c
---
a/drivers/media/video/vivi.c~use-mutex-instead-of-semaphore-in-virtual-video-driver
+++ a/drivers/media/video/vivi.c
@@ -25,6 +25,7 @@
#include <linux/pci.h>
#include <linux/random.h>
#include <linux/version.h>
+#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <linux/dma-mapping.h>
#ifdef CONFIG_VIDEO_V4L1_COMPAT
@@ -165,7 +166,7 @@ static LIST_HEAD(vivi_devlist);
struct vivi_dev {
struct list_head vivi_devlist;
- struct semaphore lock;
+ struct mutex lock;
int users;
@@ -738,16 +739,16 @@ static struct videobuf_queue_ops vivi_vi
static int res_get(struct vivi_dev *dev, struct vivi_fh *fh)
{
/* is it free? */
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if (dev->resources) {
/* no, someone else uses it */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
/* it's free, grab it */
dev->resources =1;
dprintk(1,"res: get\n");
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 1;
}
@@ -758,10 +759,10 @@ static int res_locked(struct vivi_dev *d
static void res_free(struct vivi_dev *dev, struct vivi_fh *fh)
{
- down(&dev->lock);
+ mutex_lock(&dev->lock);
dev->resources = 0;
dprintk(1,"res: put\n");
- up(&dev->lock);
+ mutex_lock(&dev->lock);
}
/* ------------------------------------------------------------------
@@ -1260,7 +1261,7 @@ static int __init vivi_init(void)
init_waitqueue_head(&dev->vidq.wq);
/* initialize locks */
- init_MUTEX(&dev->lock);
+ mutex_init(&dev->lock);
dev->vidq.timeout.function = vivi_vid_timeout;
dev->vidq.timeout.data = (unsigned long)dev;
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
kcopyd-use-mutex-instead-of-semaphore.patch
git-dvb.patch
git-mtd.patch
git-netdev-all.patch
use-mutex-instead-of-semaphore-in-vlsi-82c147-irda-controller-driver.patch
use-mutex-instead-of-semaphore-in-megaraid-mailbox-driver.patch
block-device-elevator-use-list_for_each_entry-instead-of-list_for_each.patch
videopix-frame-grabber-fix-unreleased-lock-in-vfc_debug.patch
drivers-block-ubc-use-list_for_each_entry.patch
use-list_for_each_entry-for-iteration-in-prism-54-driver.patch
use-mutexes-instead-of-semaphores-in-i2o-driver.patch
fs-block_devc-use-list_for_each_entry.patch
use-mutex-instead-of-semaphore-in-capi-20-driver.patch
drivers-edac-change-from-semaphore-to-mutex-operation.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
