Input: use msecs_to_jiffies instead of homegrown ms_to_jiffies

       when setting timer for autorepeat handling. This will
       make sure that autorepeat is scheduled correctly when
       HZ != 1000.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>

drivers/input/input.c

@@ -54,14 +54,6 @@ DECLARE_WAIT_QUEUE_HEAD(input_devices_poll_wait);
 static int input_devices_state;
 #endif
 
-static inline unsigned int ms_to_jiffies(unsigned int ms)
-{
-        unsigned int j;
-        j = (ms * HZ + 500) / 1000;
-        return (j > 0) ? j : 1;
-}
-
-
 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
 	struct input_handle *handle;
@@ -96,9 +88,9 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
 
 			change_bit(code, dev->key);
 
-			if (test_bit(EV_REP, dev->evbit) && dev->rep[REP_PERIOD] && dev->timer.data && value) {
+			if (test_bit(EV_REP, dev->evbit) && dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] && dev->timer.data && value) {
 				dev->repeat_key = code;
-				mod_timer(&dev->timer, jiffies + ms_to_jiffies(dev->rep[REP_DELAY]));
+				mod_timer(&dev->timer, jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]));
 			}
 
 			break;
@@ -198,7 +190,8 @@ static void input_repeat_key(unsigned long data)
 	input_event(dev, EV_KEY, dev->repeat_key, 2);
 	input_sync(dev);
 
-	mod_timer(&dev->timer, jiffies + ms_to_jiffies(dev->rep[REP_PERIOD]));
+	if (dev->rep[REP_PERIOD])
+		mod_timer(&dev->timer, jiffies + msecs_to_jiffies(dev->rep[REP_PERIOD]));
 }
 
 int input_accept_process(struct input_handle *handle, struct file *file)