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authorDave Airlie <airlied@redhat.com>2013-10-22 10:32:40 +0400
committerDave Airlie <airlied@redhat.com>2013-10-22 10:32:40 +0400
commit3bcec5f076688c58436a6c354f5b94eef16469da (patch)
tree6e50e1c03d52bffbd17b16dd6b153a428f0b9e7c /drivers/s390/char/sclp_cmd.c
parentbc5bd37ce48c66e9192ad2e7231e9678880f6f8e (diff)
parent828c79087cec61eaf4c76bb32c222fbe35ac3930 (diff)
downloadlinux-3bcec5f076688c58436a6c354f5b94eef16469da.tar.xz
Merge tag 'drm-intel-fixes-2013-10-21' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just an lvds clock gating fix and a pte clearing hack for hsw to avoid memory corruption when hibernating - something doesn't seem to switch off properly, we're still investigating. * tag 'drm-intel-fixes-2013-10-21' of git://people.freedesktop.org/~danvet/drm-intel: (96 commits) drm/i915: Disable GGTT PTEs on GEN6+ suspend drm/i915: Make PTE valid encoding optional drm/i915: disable LVDS clock gating on CPT v2
Diffstat (limited to 'drivers/s390/char/sclp_cmd.c')
-rw-r--r--drivers/s390/char/sclp_cmd.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 8cd34bf644b3..77df9cb00688 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -145,9 +145,11 @@ bool __init sclp_has_linemode(void)
if (sccb->header.response_code != 0x20)
return 0;
- if (sccb->sclp_send_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK))
- return 1;
- return 0;
+ if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK)))
+ return 0;
+ if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)))
+ return 0;
+ return 1;
}
bool __init sclp_has_vt220(void)