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| author | Matthias Kaehlcke <matthias.kaehlcke@gmail.com> | 2007-07-02 10:04:52 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-07-18 14:24:28 -0300 |
| commit | b9378fdbc334d1575b492108eac822a78c0c46d9 (patch) | |
| tree | 9a78a121b72309a4471dee193ceefc5cb17ce520 /drivers/media/video/pwc/pwc.h | |
| parent | 55c0d1005a0e5f590f71f918e49bdc81362f93a6 (diff) | |
| download | lwn-b9378fdbc334d1575b492108eac822a78c0c46d9.tar.gz lwn-b9378fdbc334d1575b492108eac822a78c0c46d9.zip | |
V4L/DVB (5809): Use mutex instead of semaphore in Philips webcam driver
The Philips webcam driver uses a semaphore as mutex. Use the mutex API
instead of the (binary) semaphore.
--
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/pwc/pwc.h')
| -rw-r--r-- | drivers/media/video/pwc/pwc.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h index acbb9312960a..910a04f53920 100644 --- a/drivers/media/video/pwc/pwc.h +++ b/drivers/media/video/pwc/pwc.h @@ -31,7 +31,7 @@ #include <linux/wait.h> #include <linux/smp_lock.h> #include <linux/version.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <asm/errno.h> #include <linux/videodev.h> #include <media/v4l2-common.h> @@ -244,7 +244,7 @@ struct pwc_device int image_read_pos; /* In case we read data in pieces, keep track of were we are in the imagebuffer */ int image_used[MAX_IMAGES]; /* For MCAPTURE and SYNC */ - struct semaphore modlock; /* to prevent races in video_open(), etc */ + struct mutex modlock; /* to prevent races in video_open(), etc */ spinlock_t ptrlock; /* for manipulating the buffer pointers */ /*** motorized pan/tilt feature */ |