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Message-Id: <20221205100837.29212-3-johan+linaro@kernel.org>
Date: Mon, 5 Dec 2022 11:08:37 +0100
From: Johan Hovold <johan+linaro@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>,
Alim Akhtar <alim.akhtar@...sung.com>,
Avri Altman <avri.altman@....com>
Cc: Andy Gross <agross@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Bart Van Assche <bvanassche@....org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Johan Hovold <johan+linaro@...nel.org>, stable@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: qcom: sc8280xp: fix UFS DMA coherency
The SC8280XP UFS controllers are cache coherent and must be marked as
such in the devicetree to avoid potential data corruption.
Fixes: 152d1faf1e2f ("arm64: dts: qcom: add SC8280XP platform")
Cc: stable@...r.kernel.org # 6.0
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index c4947c563099..23d1f51527aa 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -1430,6 +1430,7 @@ ufs_mem_hc: ufs@...4000 {
required-opps = <&rpmhpd_opp_nom>;
iommus = <&apps_smmu 0xe0 0x0>;
+ dma-coherent;
clocks = <&gcc GCC_UFS_PHY_AXI_CLK>,
<&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>,
@@ -1491,6 +1492,7 @@ ufs_card_hc: ufs@...4000 {
power-domains = <&gcc UFS_CARD_GDSC>;
iommus = <&apps_smmu 0x4a0 0x0>;
+ dma-coherent;
clocks = <&gcc GCC_UFS_CARD_AXI_CLK>,
<&gcc GCC_AGGRE_UFS_CARD_AXI_CLK>,
--
2.37.4
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