[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 (file)
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1259,6 +1259,9 @@ static int io_subchannel_probe(struct subchannel *sch)
                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 @@ static int ccw_device_console_enable(struct ccw_device *cdev,
        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 (file)
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -1031,6 +1031,8 @@ void ccw_device_trigger_reprobe(struct ccw_device *cdev)
         * 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. */