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authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>2006-10-04 14:02:30 -0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-10-04 14:02:30 -0400
commit3bdc9d0b408e01c4e556daba0035ba37f603e920 (patch)
tree038f5c938c0116e3cbc9585ae76bfaf14bb24242 /drivers/s390
parent3230015e15d4cf48e1df80fcf70d150f490cffe6 (diff)
[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>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/cio/device_ops.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 8994800dba4a..84b9b18eabc2 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -288,10 +288,10 @@ ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb)
288 if (cdev->private->flags.doverify || 288 if (cdev->private->flags.doverify ||
289 cdev->private->state == DEV_STATE_VERIFY) 289 cdev->private->state == DEV_STATE_VERIFY)
290 cdev->private->intparm = -EAGAIN; 290 cdev->private->intparm = -EAGAIN;
291 if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) && 291 else if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
292 !(irb->ecw[0] & 292 !(irb->ecw[0] &
293 (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ))) 293 (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
294 cdev->private->intparm = -EAGAIN; 294 cdev->private->intparm = -EAGAIN;
295 else if ((irb->scsw.dstat & DEV_STAT_ATTENTION) && 295 else if ((irb->scsw.dstat & DEV_STAT_ATTENTION) &&
296 (irb->scsw.dstat & DEV_STAT_DEV_END) && 296 (irb->scsw.dstat & DEV_STAT_DEV_END) &&
297 (irb->scsw.dstat & DEV_STAT_UNIT_EXCEP)) 297 (irb->scsw.dstat & DEV_STAT_UNIT_EXCEP))