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path: root/drivers/media/dvb/dvb-usb/dvb-usb.h
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb.h')
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h
index d4909e5c67e..fead958a57e 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -12,6 +12,7 @@
#include <linux/input.h>
#include <linux/usb.h>
#include <linux/firmware.h>
+#include <linux/mutex.h>
#include "dvb_frontend.h"
#include "dvb_demux.h"
@@ -227,8 +228,8 @@ struct dvb_usb_properties {
* @feedcount: number of reqested feeds (used for streaming-activation)
* @pid_filtering: is hardware pid_filtering used or not.
*
- * @usb_sem: semaphore of USB control messages (reading needs two messages)
- * @i2c_sem: semaphore for i2c-transfers
+ * @usb_mutex: semaphore of USB control messages (reading needs two messages)
+ * @i2c_mutex: semaphore for i2c-transfers
*
* @i2c_adap: device's i2c_adapter if it uses I2CoverUSB
* @pll_addr: I2C address of the tuner for programming
@@ -283,10 +284,10 @@ struct dvb_usb_device {
int pid_filtering;
/* locking */
- struct semaphore usb_sem;
+ struct mutex usb_mutex;
/* i2c */
- struct semaphore i2c_sem;
+ struct mutex i2c_mutex;
struct i2c_adapter i2c_adap;
/* tuner programming information */