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authorToshi Kani <toshi.kani@hp.com>2012-05-23 20:25:24 -0600
committerLen Brown <len.brown@intel.com>2012-06-04 01:09:23 -0400
commitc2f4191a9c4dbbb5c8bc7f2c0eb5023b97dd2a49 (patch)
treea83ae5e7644ffc5865d851a42b52d41465cdf88d /drivers/acpi/bus.c
parent0c67dc242cf73b9c99a05bfd0122fc9ba1970d37 (diff)
downloadlinux-next-c2f4191a9c4dbbb5c8bc7f2c0eb5023b97dd2a49.tar.gz
ACPI: Set hotplug _OST support bit to _OSC
When ACPI_HOTPLUG_OST is defined, set hotplug _OST support bit OSC_SB_HOTPLUG_OST_SUPPORT to indicate that the OS supports hotplug _OST by calling the platform-wide ACPI Operating System Capabilities (_OSC). Signed-off-by: Toshi Kani <toshi.kani@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/bus.c')
-rw-r--r--drivers/acpi/bus.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 3188da3df8da..3d4fc7af02f7 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -548,6 +548,10 @@ static void acpi_bus_osc_support(void)
capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PPC_OST_SUPPORT;
#endif
+#ifdef ACPI_HOTPLUG_OST
+ capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_HOTPLUG_OST_SUPPORT;
+#endif
+
if (!ghes_disable)
capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_APEI_SUPPORT;
if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))