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-rw-r--r--include/linux/gameport.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/gameport.h b/include/linux/gameport.h
index 2401dea2b86..3e1b9b28525 100644
--- a/include/linux/gameport.h
+++ b/include/linux/gameport.h
@@ -11,6 +11,7 @@
#include <asm/io.h>
#include <linux/list.h>
+#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/timer.h>
@@ -40,7 +41,7 @@ struct gameport {
struct gameport *parent, *child;
struct gameport_driver *drv;
- struct semaphore drv_sem; /* protects serio->drv so attributes can pin driver */
+ struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */
struct device dev;
unsigned int registered; /* port has been fully registered with driver core */
@@ -137,12 +138,12 @@ static inline void gameport_set_drvdata(struct gameport *gameport, void *data)
*/
static inline int gameport_pin_driver(struct gameport *gameport)
{
- return down_interruptible(&gameport->drv_sem);
+ return mutex_lock_interruptible(&gameport->drv_mutex);
}
static inline void gameport_unpin_driver(struct gameport *gameport)
{
- up(&gameport->drv_sem);
+ mutex_unlock(&gameport->drv_mutex);
}
void __gameport_register_driver(struct gameport_driver *drv, struct module *owner);