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path: root/drivers/input/joystick/db9.c
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Diffstat (limited to 'drivers/input/joystick/db9.c')
-rw-r--r--drivers/input/joystick/db9.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c
index dcffc34f30c..e61894685cb 100644
--- a/drivers/input/joystick/db9.c
+++ b/drivers/input/joystick/db9.c
@@ -38,6 +38,7 @@
#include <linux/init.h>
#include <linux/parport.h>
#include <linux/input.h>
+#include <linux/mutex.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver");
@@ -111,7 +112,7 @@ struct db9 {
struct pardevice *pd;
int mode;
int used;
- struct semaphore sem;
+ struct mutex mutex;
char phys[DB9_MAX_DEVICES][32];
};
@@ -525,7 +526,7 @@ static int db9_open(struct input_dev *dev)
struct parport *port = db9->pd->port;
int err;
- err = down_interruptible(&db9->sem);
+ err = mutex_lock_interruptible(&db9->mutex);
if (err)
return err;
@@ -539,7 +540,7 @@ static int db9_open(struct input_dev *dev)
mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME);
}
- up(&db9->sem);
+ mutex_unlock(&db9->mutex);
return 0;
}
@@ -548,14 +549,14 @@ static void db9_close(struct input_dev *dev)
struct db9 *db9 = dev->private;
struct parport *port = db9->pd->port;
- down(&db9->sem);
+ mutex_lock(&db9->mutex);
if (!--db9->used) {
del_timer_sync(&db9->timer);
parport_write_control(port, 0x00);
parport_data_forward(port);
parport_release(db9->pd);
}
- up(&db9->sem);
+ mutex_unlock(&db9->mutex);
}
static struct db9 __init *db9_probe(int parport, int mode)
@@ -603,7 +604,7 @@ static struct db9 __init *db9_probe(int parport, int mode)
goto err_unreg_pardev;
}
- init_MUTEX(&db9->sem);
+ mutex_init(&db9->mutex);
db9->pd = pd;
db9->mode = mode;
init_timer(&db9->timer);