ACPI: Set hotplug _OST support bit to _OSC
authorToshi Kani <toshi.kani@hp.com>
Thu, 24 May 2012 02:25:24 +0000 (20:25 -0600)
committerLen Brown <len.brown@intel.com>
Mon, 4 Jun 2012 05:09:23 +0000 (01:09 -0400)
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>
drivers/acpi/bus.c

index 3188da3..3d4fc7a 100644 (file)
@@ -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)))