diff mbox series

[v3,4/4] ACPI: Add \_SB._OSC bit for PRM

Message ID 20210322223707.1838823-5-erik.kaneda@intel.com
State Superseded
Headers show
Series Implement Platform Runtime Mechanism plumbing | expand

Commit Message

Erik Kaneda March 22, 2021, 10:37 p.m. UTC 
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
---
 drivers/acpi/bus.c   | 1 +
 include/linux/acpi.h | 1 +
 2 files changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 3484497923d5..e8119a9eca28 100644
--- 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 6868b342cdc3..fc50d2202446 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -547,6 +547,7 @@  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;