[PATCH 2/2] arm64: dts: qcom: sc8280xp: fix UFS DMA coherency

Johan Hovold
2022-12-05T10:10:36Z

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@vger.kernel.org # 6.0
Signed-off-by: Johan Hovold <johan+linaro@kernel.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@1d84000 {
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@1da4000 {
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