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Date: Mon, 5 Mar 2007 23:42:49 +0100 From: Martin Schwidefsky <schwidefsky@...ibm.com> To: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org Cc: cornelia.huck@...ibm.com Subject: [S390] cio: Call cancel_halt_clear even when actl == 0. From: Cornelia Huck <cornelia.huck@...ibm.com> [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 <cornelia.huck@...ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com> --- 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) && - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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