From c2f4191a9c4dbbb5c8bc7f2c0eb5023b97dd2a49 Mon Sep 17 00:00:00 2001 From: Toshi Kani Date: Wed, 23 May 2012 20:25:24 -0600 Subject: [PATCH] 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 Signed-off-by: Len Brown --- drivers/acpi/bus.c | 4 ++++ 1 file changed, 4 insertions(+) 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))) -- 2.20.1