Input: db9 - use setup_timer

Use setup_timer() instead of init_timer() to simplify the code.
Signed-off-by: NGeliang Tang <geliangtang@gmail.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/joystick/db9.c

@@ -609,9 +609,7 @@ static void db9_attach(struct parport *pp)
 	db9->pd = pd;
 	db9->mode = mode;
 	db9->parportno = pp->number;
-	init_timer(&db9->timer);
-	db9->timer.data = (long) db9;
-	db9->timer.function = db9_timer;
+	setup_timer(&db9->timer, db9_timer, (long)db9);
 
 	for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) {