linux-kernel - [PATCH 2/3] arm64: dts: socfpga: agilex5: Add dma_32bit

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Message-ID: <d07c5660e9db837382956b24e4b063cdb3902f2a.1747368554.git.adrianhoyin.ng@altera.com>
Date: Fri, 16 May 2025 12:13:33 +0800
From: adrianhoyin.ng@...era.com
To: dinguyen@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	maz@...nel.org,
	tglx@...utronix.de,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: adrianhoyin.ng@...era.com,
	Matthew Gerlach <matthew.gerlach@...rera.com>
Subject: [PATCH 2/3] arm64: dts: socfpga: agilex5: Add dma_32bit_quirk in GIC ITS node

From: Adrian Ng Ho Yin <adrianhoyin.ng@...era.com>

Add dma_32bit_quirk in GIC ITS node in Agilex5 dtsi to address hardware
addressing limitation.

Signed-off-by: Adrian Ng Ho Yin <adrianhoyin.ng@...era.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@...rera.com>
---
 arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
index 51c6e19e40b8..e53e8aee3cf9 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
@@ -82,6 +82,7 @@ its: msi-controller@...40000 {
 			compatible = "arm,gic-v3-its";
 			reg = <0x0 0x1d040000 0x0 0x20000>;
 			msi-controller;
+			dma-32bit-quirk;
 			#msi-cells = <1>;
 		};
 	};
-- 
2.49.GIT