ACPI: Add \_SB._OSC bit for PRM

Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 3484497..e8119a9 100644 (file)
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -305,6 +305,7 @@ static void acpi_bus_osc_negotiate_platform_control(void)
 
        capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT;
        capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT;
+       capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PRM_SUPPORT;
 
 #ifdef CONFIG_ARM64
        capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT;

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 4c07ac2..a618ba6 100644 (file)
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -551,6 +551,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 #define OSC_SB_OSLPI_SUPPORT                   0x00000100
 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT                0x00001000
 #define OSC_SB_GENERIC_INITIATOR_SUPPORT       0x00002000
+#define OSC_SB_PRM_SUPPORT                     0x00020000
 #define OSC_SB_NATIVE_USB4_SUPPORT             0x00040000
 
 extern bool osc_sb_apei_support_acked;