On Mon, 25 Dec 2023 at 10:39, Mengqi Zhang <mengqi.zhang@xxxxxxxxxxxx> wrote: > > During the initialization to HS400es stage, add hs400 tuning flow as an > optional process. For Mediatek IP, HS00es mode requires a specific > tuning to ensure the correct HS400 timing setting. > > Signed-off-by: Mengqi Zhang <mengqi.zhang@xxxxxxxxxxxx> Applied for next, thanks! Kind regards Uffe > --- > v1 https://patchwork.kernel.org/project/linux-mediatek/patch/20231201030547.11553-1-mengqi.zhang@xxxxxxxxxxxx/ > v2 https://patchwork.kernel.org/project/linux-mediatek/patch/20231222062236.26370-1-mengqi.zhang@xxxxxxxxxxxx/ > --- > drivers/mmc/core/mmc.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c > index 705942edacc6..d5173a9bb4b0 100644 > --- a/drivers/mmc/core/mmc.c > +++ b/drivers/mmc/core/mmc.c > @@ -1822,8 +1822,13 @@ 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)) { > -- > 2.25.1 >
