]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
ACPI: bus: Indicate support for the Generic Event Device thru _OSC
authorArmin Wolf <W_Armin@gmx.de>
Sat, 9 Mar 2024 20:13:08 +0000 (21:13 +0100)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Wed, 27 Mar 2024 15:39:35 +0000 (16:39 +0100)
A device driver for the Generic Event Device (ACPI0013) already
exists for quite some time, but support for it was never reported
thru _OSC.

Fix this by setting bit 11 ("Generic Event Device support") when
evaluating _OSC.

Fixes: 3db80c230da1 ("ACPI: implement Generic Event Device")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/bus.c
include/linux/acpi.h

index d5b0e80dc48e4675bb7ba92614f06965ff3fe640..0c48b603098a8565ac0750ac6530443e966b74d1 100644 (file)
@@ -322,6 +322,7 @@ 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_OVER_16_PSTATES_SUPPORT;
+       capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GED_SUPPORT;
        if (IS_ENABLED(CONFIG_ACPI_PRMT))
                capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PRM_SUPPORT;
        if (IS_ENABLED(CONFIG_ACPI_FFH))
index 0e0b027e27e213c3d07cdbb050ab871606f7292d..b0d909d1f5fc30e81733649ea6594aaa96e358e0 100644 (file)
@@ -575,6 +575,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 #define OSC_SB_OSLPI_SUPPORT                   0x00000100
 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT   0x00000200
 #define OSC_SB_OVER_16_PSTATES_SUPPORT         0x00000400
+#define OSC_SB_GED_SUPPORT                     0x00000800
 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT                0x00001000
 #define OSC_SB_GENERIC_INITIATOR_SUPPORT       0x00002000
 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE          0x00004000