This DW-MMC variant is not actually compatible with
"samsung,exynos7-dw-mshc-smu", and requires an additional quirk to handle
very short data transfers. Update the compatible string to
"samsung,exynos78xx-dw-mshc-smu" to reflect this fact.
---
 arch/arm64/boot/dts/exynos/exynos7885.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/exynos/exynos7885.dtsi b/arch/arm64/boot/dts/exynos/exynos7885.dtsi
index 23c2e0bb0..4b94ac9da 100644
--- a/arch/arm64/boot/dts/exynos/exynos7885.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos7885.dtsi
@@ -294,7 +294,7 @@ pmu_system_controller: system-controller@11c80000 {
 		};
 
 		mmc_0: mmc@13500000 {
-			compatible = "samsung,exynos7-dw-mshc-smu";
+			compatible = "samsung,exynos78xx-dw-mshc-smu";
 			reg = <0x13500000 0x2000>;
 			interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
-- 
2.38.3

On 12/03/2023 17:59, Sergey Lisov wrote:
> This DW-MMC variant is not actually compatible with
> "samsung,exynos7-dw-mshc-smu", and requires an additional quirk to handle
> very short data transfers. Update the compatible string to
> "samsung,exynos78xx-dw-mshc-smu" to reflect this fact.

Thanks.

> ---
>  arch/arm64/boot/dts/exynos/exynos7885.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynos7885.dtsi b/arch/arm64/boot/dts/exynos/exynos7885.dtsi
> index 23c2e0bb0..4b94ac9da 100644
> --- a/arch/arm64/boot/dts/exynos/exynos7885.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos7885.dtsi
> @@ -294,7 +294,7 @@ pmu_system_controller: system-controller@11c80000 {
>  		};
>  
>  		mmc_0: mmc@13500000 {
> -			compatible = "samsung,exynos7-dw-mshc-smu";
> +			compatible = "samsung,exynos78xx-dw-mshc-smu";

Compatible is still wrong.

Best regards,
Krzysztof