V4L/DVB (5809): Use mutex instead of semaphore in Philips webcam driver

[firefly-linux-kernel-4.4.55.git] / drivers / media / video / pwc / pwc.h

diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h
index acbb9312960a84b9e1086149f26200eebb606b16..910a04f539202a2d6a5f3b2adb879c7c551a69b1 100644 (file)
--- 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 */