s390: qdio: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
[sebott: fixed compile error due to invalid struct member]
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

drivers/s390/cio/qdio_main.c

@@ -894,9 +894,9 @@ void qdio_outbound_processing(unsigned long data)
 	__qdio_outbound_processing(q);
 }
 
-void qdio_outbound_timer(unsigned long data)
+void qdio_outbound_timer(struct timer_list *t)
 {
-	struct qdio_q *q = (struct qdio_q *)data;
+	struct qdio_q *q = from_timer(q, t, u.out.timer);
 
 	qdio_tasklet_schedule(q);
 }