linux-kernel - [PATCH] arm64: dts: qcom: sa8775p: mark ethernet devices as DMA-coherent

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Date: Thu, 25 Apr 2024 16:07:10 -0700
From: Sagar Cheluvegowda <quic_scheluve@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <kernel@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Sagar
 Cheluvegowda" <quic_scheluve@...cinc.com>
Subject: [PATCH] arm64: dts: qcom: sa8775p: mark ethernet devices as
 DMA-coherent

Ethernet devices are cache coherent, mark it as such in the dtsi.

Change-Id: Id180fae617f2e348c0a80c6664b131cc57fcb4d6
Signed-off-by: Sagar Cheluvegowda <quic_scheluve@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 231cea1f0fa8..5ab4ca978837 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -2504,6 +2504,7 @@ ethernet1: ethernet@...00000 {
 			phy-names = "serdes";
 
 			iommus = <&apps_smmu 0x140 0xf>;
+			dma-coherent;
 
 			snps,tso;
 			snps,pbl = <32>;
@@ -2538,6 +2539,7 @@ ethernet0: ethernet@...40000 {
 			phy-names = "serdes";
 
 			iommus = <&apps_smmu 0x120 0xf>;
+			dma-coherent;
 
 			snps,tso;
 			snps,pbl = <32>;

---
base-commit: a93289b830ce783955b22fbe5d1274a464c05acf
change-id: 20240425-mark_ethernet_devices_dma_coherent-6c6154b84165

Best regards,
-- 
Sagar Cheluvegowda <quic_scheluve@...cinc.com>