ACPI: bus: Indicate support for IRQ ResourceSource thru _OSC

The ACPI IRQ mapping code supports parsing of ResourceSource,
but this is not reported thru _OSC.

Fix this by setting bit 13 ("Interrupt ResourceSource support")
when evaluating _OSC.

Fixes: d44fa3d46079 ("ACPI: Add support for ResourceSource/IRQ domain mapping")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 0c48b603098a8565ac0750ac6530443e966b74d1..a87b10eef77df28062329ca9eb2424f07958d0b2 100644 (file)
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -323,6 +323,7 @@ static void acpi_bus_osc_negotiate_platform_control(void)
        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;
+       capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT;
        if (IS_ENABLED(CONFIG_ACPI_PRMT))
                capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PRM_SUPPORT;
        if (IS_ENABLED(CONFIG_ACPI_FFH))

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index e77783e101c36d7fb1eb8fdf8a41f114f141ed48..168201e4c7827695af751bd365965f3a15905816 100644 (file)
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -577,6 +577,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 #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_IRQ_RESOURCE_SOURCE_SUPPORT     0x00002000
 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE          0x00004000
 #define OSC_SB_GENERIC_INITIATOR_SUPPORT       0x00020000
 #define OSC_SB_NATIVE_USB4_SUPPORT             0x00040000