From: Cornelia Huck <[EMAIL PROTECTED]>
[S390] cio: Call cancel_halt_clear even when actl == 0.
The subchannel may just be status pending, even with actl == 0. We
must go through the cancel_halt_clear procedure to put the subchannel
into a defined state.
Signed-off-by: Cornelia Huck <[EMAIL PROTECTED]>
Signed-off-by: Martin Schwidefsky <[EMAIL PROTECTED]>
---
drivers/s390/cio/device_fsm.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -urpN linux-2.6/drivers/s390/cio/device_fsm.c
linux-2.6-patched/drivers/s390/cio/device_fsm.c
--- linux-2.6/drivers/s390/cio/device_fsm.c 2007-03-05 22:51:58.000000000
+0100
+++ linux-2.6-patched/drivers/s390/cio/device_fsm.c 2007-03-05
22:51:58.000000000 +0100
@@ -144,8 +144,8 @@ ccw_device_cancel_halt_clear(struct ccw_
ret = stsch(sch->schid, &sch->schib);
if (ret || !sch->schib.pmcw.dnv)
return -ENODEV;
- if (!sch->schib.pmcw.ena || sch->schib.scsw.actl == 0)
- /* Not operational or no activity -> done. */
+ if (!sch->schib.pmcw.ena)
+ /* Not operational -> done. */
return 0;
/* Stage 1: cancel io. */
if (!(sch->schib.scsw.actl & SCSW_ACTL_HALT_PEND) &&
-
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