ACPI: bus: Indicate support for IRQ ResourceSource thru _OSC

[ Upstream commit 403ad17c06509794fdf6e4d4b3070bd5b56e2a8e ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 9486c1be7258e859aaec6cfae842cd61901e03a2..3f84d8ed9d299ad9691f596ea2a75915dbf0d953 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 01ff2dd313680f8a1e3b59b10d9ad202bcca3e27..de1263b1da3bcf3fe4c2cd239b794b6ad0b1940d 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