On Fri, May 24, 2024 at 05:58:32AM +0000, Lin Gui (桂林) wrote:
> Dear gregkh@xxxxxxxxxxxxxxxxxxx,
>
> Sorry, update the format:
> This patch has been tested on Mediatek Phone, the test passed,
> Thank you
>
>
>
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index a569066..d656964 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -1800,7 +1800,13 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
> if (err)
> goto free_card;
>
> - } else if (!mmc_card_hs400es(card)) {
> + } else if (mmc_card_hs400es(card)){
> + if (host->ops->execute_hs400_tuning) {
> + err = host->ops->execute_hs400_tuning(host, card);
> + if (err)
> + goto free_card;
> + }
> + } else {
> /* Select the desired bus width optionally */
> err = mmc_select_bus_width(card);
> if (err > 0 && mmc_card_hs(card)) {
>
>
Again, please apply this to the latest 5.15.y kernel and see what
happens. I do not know what kernel you are using, but you know what
kernel we are using :)
thanks,
greg k-h
