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path: root/drivers/usb/media/w9968cf.h
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Diffstat (limited to 'drivers/usb/media/w9968cf.h')
-rw-r--r--drivers/usb/media/w9968cf.h14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/usb/media/w9968cf.h b/drivers/usb/media/w9968cf.h
index 47a6ff79417..a87be719a28 100644
--- a/drivers/usb/media/w9968cf.h
+++ b/drivers/usb/media/w9968cf.h
@@ -32,7 +32,7 @@
#include <linux/param.h>
#include <linux/types.h>
#include <linux/rwsem.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include <media/ovcamchip.h>
@@ -194,14 +194,6 @@ enum w9968cf_vpp_flag {
VPP_UYVY_TO_RGBX = 0x08,
};
-static struct w9968cf_vpp_t* w9968cf_vpp;
-static DECLARE_WAIT_QUEUE_HEAD(w9968cf_vppmod_wait);
-
-static LIST_HEAD(w9968cf_dev_list); /* head of V4L registered cameras list */
-static DECLARE_MUTEX(w9968cf_devlist_sem); /* semaphore for list traversal */
-
-static DECLARE_RWSEM(w9968cf_disconnect); /* prevent races with open() */
-
/* Main device driver structure */
struct w9968cf_device {
struct device dev; /* device structure */
@@ -277,8 +269,8 @@ struct w9968cf_device {
struct i2c_client* sensor_client;
/* Locks */
- struct semaphore dev_sem, /* for probe, disconnect,open and close */
- fileop_sem; /* for read and ioctl */
+ struct mutex dev_mutex, /* for probe, disconnect,open and close */
+ fileop_mutex; /* for read and ioctl */
spinlock_t urb_lock, /* for submit_urb() and unlink_urb() */
flist_lock; /* for requested frame list accesses */
wait_queue_head_t open, wait_queue;