[PATCH v3 7/7] ACPI: Set hotplug _OST support bit to _OSC

[Toshi Kani]

When CONFIG_ACPI_HOTPLUG_OST is enabled, 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@xxxxxx>
---
 drivers/acpi/bus.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 3263b68..93bf515 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -544,6 +544,10 @@ static void acpi_bus_osc_support(void)
 	capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PPC_OST_SUPPORT;
 #endif
 
+#ifdef CONFIG_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)))
-- 
1.7.7.6

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