[S390] cio: css_driver: Use consistent parameters.

Make all callbacks in css_driver take a struct subchannel (and not
a struct device).

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index bc2f8fa..614cc69 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -293,7 +293,7 @@
 		action = UNREGISTER;
 		if (sch->driver && sch->driver->notify) {
 			spin_unlock_irqrestore(sch->lock, flags);
-			ret = sch->driver->notify(&sch->dev, event);
+			ret = sch->driver->notify(sch, event);
 			spin_lock_irqsave(sch->lock, flags);
 			if (ret)
 				action = NONE;