[PATCH 2/2] mmc: Add support for the no-mmc-hs400 prop

[Dragan Simic]

On 2024-04-08 23:06, Jonas Karlman wrote:
> The linux commit f722e650d965 ("mmc: core: add support for disabling
> HS400 mode via DT") added support for a no-mmc-hs400 prop.
> 
> Add support for the no-mmc-hs400 prop to disable HS400 host caps.
> 
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>

The description above should use "Linux" instead od "linux", but that's
perhaps not worth sending the v2.

Otherwise, looking good to me.  Great job catching this!

Reviewed-by: Dragan Simic <dsimic at manjaro.org>

> ---
>  drivers/mmc/mmc-uclass.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
> index 1349da72b102..1b454e8ec758 100644
> --- a/drivers/mmc/mmc-uclass.c
> +++ b/drivers/mmc/mmc-uclass.c
> @@ -256,6 +256,9 @@ int mmc_of_parse(struct udevice *dev, struct
> mmc_config *cfg)
>  		cfg->host_caps |= MMC_CAP(MMC_HS_400) | MMC_CAP(MMC_HS_200);
>  	if (dev_read_bool(dev, "mmc-hs400-enhanced-strobe"))
>  		cfg->host_caps |= MMC_CAP(MMC_HS_400_ES);
> +	if (dev_read_bool(dev, "no-mmc-hs400"))
> +		cfg->host_caps &= ~(MMC_CAP(MMC_HS_400) |
> +				    MMC_CAP(MMC_HS_400_ES));
> 
>  	if (dev_read_bool(dev, "non-removable")) {
>  		cfg->host_caps |= MMC_CAP_NONREMOVABLE;