[S390] cio: Disable channel measurements (cmf) on shutdown/reboot.

[pandora-kernel.git] / drivers / s390 / cio / cio.c

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index f2708d6..4690534 100644 (file)
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -619,6 +619,11 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
        sch->schib.pmcw.ena = 0;
        if ((sch->lpm & (sch->lpm - 1)) != 0)
                sch->schib.pmcw.mp = 1; /* multipath mode */
+       /* clean up possible residual cmf stuff */
+       sch->schib.pmcw.mme = 0;
+       sch->schib.pmcw.mbfc = 0;
+       sch->schib.pmcw.mbi = 0;
+       sch->schib.mba = 0;
        return 0;
 out:
        if (!cio_is_console(schid))