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[S390] cio: improve unit check handling for internal operations 

Retry internal operation after unit check instead of aborting them.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Peter Oberparleiter 2006-10-04 20:02:30 +02:00 committed by Martin Schwidefsky
parent 3230015e15
commit 3bdc9d0b40
1 changed files with 4 additions and 4 deletions
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8
drivers/s390/cio/device_ops.c
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@ -288,10 +288,10 @@ ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb)
if (cdev->private->flags.doverify ||
cdev->private->state == DEV_STATE_VERIFY)
cdev->private->intparm = -EAGAIN;
if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
!(irb->ecw[0] &
(SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
cdev->private->intparm = -EAGAIN;
else if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
!(irb->ecw[0] &
(SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
cdev->private->intparm = -EAGAIN;
else if ((irb->scsw.dstat & DEV_STAT_ATTENTION) &&
(irb->scsw.dstat & DEV_STAT_DEV_END) &&
(irb->scsw.dstat & DEV_STAT_UNIT_EXCEP))