From: Peter Griffin Date: Fri, 14 Mar 2025 15:38:02 +0000 (+0000) Subject: arm64: dts: exynos: gs101: ufs: add dma-coherent property X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4292564c71cffd8094abcc52dd4840870d05cd30;p=users%2Fjedix%2Flinux-maple.git arm64: dts: exynos: gs101: ufs: add dma-coherent property ufs-exynos driver configures the sysreg shareability as cacheable for gs101 so we need to set the dma-coherent property so the descriptors are also allocated cacheable. This fixes the UFS stability issues we have seen with the upstream UFS driver on gs101. Fixes: 4c65d7054b4c ("arm64: dts: exynos: gs101: Add ufs and ufs-phy dt nodes") Cc: stable@vger.kernel.org Suggested-by: Will McVicker Signed-off-by: Peter Griffin Tested-by: Will McVicker Tested-by: André Draszik Reviewed-by: André Draszik Link: https://lore.kernel.org/r/20250314-ufs-dma-coherent-v1-1-bdf9f9be2919@linaro.org Signed-off-by: Krzysztof Kozlowski --- diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi index 7fc3d803de39e..9fedda986158f 100644 --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi @@ -1371,6 +1371,7 @@ <&cmu_hsi2 CLK_GOUT_HSI2_SYSREG_HSI2_PCLK>; clock-names = "core_clk", "sclk_unipro_main", "fmp", "aclk", "pclk", "sysreg"; + dma-coherent; freq-table-hz = <0 0>, <0 0>, <0 0>, <0 0>, <0 0>, <0 0>; pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>; pinctrl-names = "default";