linux-kernel - [PATCH] arm64: dts: qcom: sc8180x: Mark PCIe hosts cache-coherent

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Message-Id: <20231219-topic-8180_pcie_dmac-v1-1-5d00fc1b23fd@linaro.org>
Date: Tue, 19 Dec 2023 19:40:21 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH] arm64: dts: qcom: sc8180x: Mark PCIe hosts cache-coherent

The PCIe controllers on 8180 are cache-coherent. Mark them as such.

Fixes: d20b6c84f56a ("arm64: dts: qcom: sc8180x: Add PCIe instances")
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sc8180x.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8180x.dtsi b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
index fe761d6d0dd3..61475e56cef3 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
@@ -1751,6 +1751,7 @@ pcie0: pcie@...0000 {
 
 			phys = <&pcie0_phy>;
 			phy-names = "pciephy";
+			dma-coherent;
 
 			status = "disabled";
 		};
@@ -1847,6 +1848,7 @@ pcie3: pcie@...8000 {
 
 			phys = <&pcie3_phy>;
 			phy-names = "pciephy";
+			dma-coherent;
 
 			status = "disabled";
 		};
@@ -1944,6 +1946,7 @@ pcie1: pcie@...0000 {
 
 			phys = <&pcie1_phy>;
 			phy-names = "pciephy";
+			dma-coherent;
 
 			status = "disabled";
 		};
@@ -2041,6 +2044,7 @@ pcie2: pcie@...8000 {
 
 			phys = <&pcie2_phy>;
 			phy-names = "pciephy";
+			dma-coherent;
 
 			status = "disabled";
 		};

---
base-commit: aa4db8324c4d0e67aa4670356df4e9fae14b4d37
change-id: 20231219-topic-8180_pcie_dmac-b9d6d657bc83

Best regards,
-- 
Konrad Dybcio <konrad.dybcio@...aro.org>