[S390] cio: commit all pmcw changes.

Sometimes we change the pmcw configuration but don't call msch
to transmit these changes to the channel subsystem.

The patch fixes this by calling cio_commit_config in such cases.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index d312701..6d714cf 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1259,6 +1259,9 @@
 		return 0;
 	}
 	io_subchannel_init_fields(sch);
+	rc = cio_commit_config(sch);
+	if (rc)
+		goto out_schedule;
 	rc = sysfs_create_group(&sch->dev.kobj,
 				&io_subchannel_attr_group);
 	if (rc)
@@ -1722,6 +1725,9 @@
 	sch->private = cio_get_console_priv();
 	memset(sch->private, 0, sizeof(struct io_subchannel_private));
 	io_subchannel_init_fields(sch);
+	rc = cio_commit_config(sch);
+	if (rc)
+		return rc;
 	sch->driver = &io_subchannel_driver;
 	/* Initialize the ccw_device structure. */
 	cdev->dev.parent= &sch->dev;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 9e24967..8df5eaa 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -1031,6 +1031,8 @@
 	 * paths are valid.
 	 */
 	io_subchannel_init_config(sch);
+	if (cio_commit_config(sch))
+		return;
 
 	/* We should also udate ssd info, but this has to wait. */
 	/* Check if this is another device which appeared on the same sch. */