diff options
author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2008-04-30 07:38:39 -0400 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-04-30 07:38:45 -0400 |
commit | edf2209692769d3e461c0351553098bc017c2caf (patch) | |
tree | 833d40fbff5e35a06fcd3c55736d20e4e82901f6 /drivers/s390/cio/device_ops.c | |
parent | 47494f6a84cdae2740b62e1d86a1860df85d9bbb (diff) |
[S390] cio: Make isc handling more robust.
Introduce an ->isc field in the subchannel to store the desired
interruption subclass, since sch->schib.pmcw.isc may be overwritten
by the hardware on stsch() after machine checks.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device_ops.c')
-rw-r--r-- | drivers/s390/cio/device_ops.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index a1718a0aa539..f308ad55a6d5 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c | |||
@@ -508,7 +508,7 @@ ccw_device_stlck(struct ccw_device *cdev) | |||
508 | return -ENOMEM; | 508 | return -ENOMEM; |
509 | } | 509 | } |
510 | spin_lock_irqsave(sch->lock, flags); | 510 | spin_lock_irqsave(sch->lock, flags); |
511 | ret = cio_enable_subchannel(sch, 3, (u32)(addr_t)sch); | 511 | ret = cio_enable_subchannel(sch, (u32)(addr_t)sch); |
512 | if (ret) | 512 | if (ret) |
513 | goto out_unlock; | 513 | goto out_unlock; |
514 | /* | 514 | /* |