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[25/52] ACPI: Set hotplug _OST support bit to _OSC

Message ID c2f4191a9c4dbbb5c8bc7f2c0eb5023b97dd2a49.1343187617.git.len.brown@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Len Brown July 25, 2012, 3:41 a.m. UTC 
From: Toshi Kani <toshi.kani@hp.com>

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 | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 3188da3..3d4fc7a 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)))