Re: [PATCH 6/7] arm64: dts: ti: k3-am69-sk: Remove HS400 mode support for eMMC

[Kumar, Udit]

Hi Judith

On 4/12/2024 4:22 AM, Judith Mendez wrote:
> From: Dasnavis Sabiya <sabiya.d@xxxxxx>
>
> The eMMC fails to enumerate intermittently on HS400 mode. Also
> observing multiple CQE recovery warnings.
> Update the sdhci0 node to disable HS400 and set HS200 mode for
> eMMC node.
>
> Signed-off-by: Dasnavis Sabiya <sabiya.d@xxxxxx>
> Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx>
> ---
>   arch/arm64/boot/dts/ti/k3-am69-sk.dts | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> index 50de2a448a3a6..a677bb9200a35 100644
> --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> @@ -906,6 +906,7 @@ &main_sdhci0 {
>   	non-removable;
>   	ti,driver-strength-ohm = <50>;
>   	disable-wp;
> +	no-mmc-hs400;


This is just WA to get rid of CQE errors. I prefer to hold this patch 
under debug from hardware side is not complete.

>   };
>   
>   &main_sdhci1 {