[PATCH] APEI: Fix WHEA _OSC call

[Matthew Garrett]

Bit 0 of the support parameter to the OSC call should be set in order to
indicate that the OS supports the WHEA mechanism. Stuart Hayes tracked
an APEI issue on some Dell platforms down to this.

Reported-by: Stuart Hayes <Stuart...@Dell.com>
Signed-off-by: Matthew Garrett <m...@redhat.com>
---
drivers/acpi/apei/apei-base.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 8041248..6154036 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -618,7 +618,7 @@ int apei_osc_setup(void)
};

capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
- capbuf[OSC_SUPPORT_TYPE] = 0;
+ capbuf[OSC_SUPPORT_TYPE] = 1;
capbuf[OSC_CONTROL_TYPE] = 0;

if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle))
--
1.7.6

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[Len Brown]

applied to acpi-test for 3.1

thanks,
Len Brown, Intel Open Source Technology Center