[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/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 31c0f78..baca6c6 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -399,7 +399,7 @@
 	sch = to_subchannel(cdev->dev.parent);
 	if (sch->driver && sch->driver->notify) {
 		spin_unlock_irqrestore(cdev->ccwlock, flags);
-		ret = sch->driver->notify(&sch->dev, CIO_OPER);
+		ret = sch->driver->notify(sch, CIO_OPER);
 		spin_lock_irqsave(cdev->ccwlock, flags);
 	} else
 		ret = 0;
@@ -1273,21 +1273,4 @@
 	},
 };
 
-/*
- * io_subchannel_irq is called for "real" interrupts or for status
- * pending conditions on msch.
- */
-void
-io_subchannel_irq (struct device *pdev)
-{
-	struct ccw_device *cdev;
-
-	cdev = to_subchannel(pdev)->dev.driver_data;
-
-	CIO_TRACE_EVENT (3, "IRQ");
-	CIO_TRACE_EVENT (3, pdev->bus_id);
-	if (cdev)
-		dev_fsm_event(cdev, DEV_EVENT_INTERRUPT);
-}
-
 EXPORT_SYMBOL_GPL(ccw_device_set_timeout);