Commit 4bc0c4f9 authored by Cornelia Huck's avatar Cornelia Huck Committed by Martin Schwidefsky

[S390] retry after deferred condition code.

Do a retry of read device characteristics / read configuration
data when a deferred condition code 1 is encountered in
ccw_device_wake_up().
Signed-off-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 25a2001a
...@@ -263,6 +263,9 @@ ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb) ...@@ -263,6 +263,9 @@ ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb)
/* Abuse intparm for error reporting. */ /* Abuse intparm for error reporting. */
if (IS_ERR(irb)) if (IS_ERR(irb))
cdev->private->intparm = -EIO; cdev->private->intparm = -EIO;
else if (irb->scsw.cc == 1)
/* Retry for deferred condition code. */
cdev->private->intparm = -EAGAIN;
else if ((irb->scsw.dstat != else if ((irb->scsw.dstat !=
(DEV_STAT_CHN_END|DEV_STAT_DEV_END)) || (DEV_STAT_CHN_END|DEV_STAT_DEV_END)) ||
(irb->scsw.cstat != 0)) { (irb->scsw.cstat != 0)) {
......
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