diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 7c78144..15482c5 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -153,9 +153,9 @@ static int test_timeout(struct at_state_t *at_state)
 	return 1;
 }
 
-static void timer_tick(unsigned long data)
+static void timer_tick(struct timer_list *t)
 {
-	struct cardstate *cs = (struct cardstate *) data;
+	struct cardstate *cs = from_timer(cs, t, timer);
 	unsigned long flags;
 	unsigned channel;
 	struct at_state_t *at_state;
@@ -687,7 +687,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->ignoreframes = ignoreframes;
 	INIT_LIST_HEAD(&cs->temp_at_states);
 	cs->running = 0;
-	init_timer(&cs->timer); /* clear next & prev */
+	timer_setup(&cs->timer, timer_tick, 0);
 	spin_lock_init(&cs->ev_lock);
 	cs->ev_tail = 0;
 	cs->ev_head = 0;
@@ -768,7 +768,6 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	spin_lock_irqsave(&cs->lock, flags);
 	cs->running = 1;
 	spin_unlock_irqrestore(&cs->lock, flags);
-	setup_timer(&cs->timer, timer_tick, (unsigned long) cs);
 	cs->timer.expires = jiffies + msecs_to_jiffies(GIG_TICK);
 	add_timer(&cs->timer);