V4L/DVB (6400): usbvision: Convert the usbvision->lock semaphore to the mutex API

Convert the usbvision->lock semaphore to the mutex API

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Reviewed-by: Thierry MERLE <thierry.merle@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h
index c5b6c501c869..c32f68566bf9 100644
--- a/drivers/media/video/usbvision/usbvision.h
+++ b/drivers/media/video/usbvision/usbvision.h
@@ -34,6 +34,7 @@
 #include <linux/list.h>
 #include <linux/usb.h>
 #include <linux/i2c.h>
+#include <linux/mutex.h>
 #include <media/v4l2-common.h>
 #include <media/tuner.h>
 #include <linux/videodev2.h>
@@ -396,7 +397,7 @@ struct usb_usbvision {
         unsigned char iface;                                            /* Video interface number */
         unsigned char ifaceAlt;                 /* Alt settings */
         unsigned char Vin_Reg2_Preset;
-        struct semaphore lock;
+        struct mutex               lock;
         struct timer_list powerOffTimer;
         struct work_struct powerOffWork;
         int power;                                                      /* is the device powered on? */