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 <[email protected]> Signed-off-by: Len Brown <[email protected]>
berg · Jun 4, 2012 · c2f4191 · c2f4191
1 parent 0c67dc2
commit c2f4191
Showing 1 changed file with 4 additions and 0 deletions.
diff --git 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)))