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From: Armin Wolf <W_Armin@gmx.de>
To: rafael@kernel.org,
	lenb@kernel.org
Cc: linux-acpi@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 5/5] ACPI: bus: Indicate support for IRQ ResourceSource thru _OSC
Date: Sat,  9 Mar 2024 21:13:10 +0100
Message-Id: <20240309201310.7548-6-W_Armin@gmx.de>
In-Reply-To: <20240309201310.7548-1-W_Armin@gmx.de>
References: <20240309201310.7548-1-W_Armin@gmx.de>
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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 mapp=
ing")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
=2D--
 drivers/acpi/bus.c   | 1 +
 include/linux/acpi.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 0c48b603098a..a87b10eef77d 100644
=2D-- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -323,6 +323,7 @@ static void acpi_bus_osc_negotiate_platform_control(vo=
id)
 	capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_PCLPI_SUPPORT;
 	capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_OVER_16_PSTATES_SUPPORT;
 	capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_GED_SUPPORT;
+	capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT;
 	if (IS_ENABLED(CONFIG_ACPI_PRMT))
 		capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_PRM_SUPPORT;
 	if (IS_ENABLED(CONFIG_ACPI_FFH))
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b99c83968a9d..d62be29cf7a6 100644
=2D-- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -577,6 +577,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct ac=
pi_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
=2D-
2.39.2