On Sun, May 26, 2024 at 02:51:42AM +0000, Lin Gui (桂林) wrote: > Dear gregkh@xxxxxxxxxxxxxxxxxxx, > > I'm very sorry for the trouble, here's the update: > > From f033ef0bfb29cd413d10aba860ce8d178cc314e2 Mon Sep 17 00:00:00 2001 > From: Mengqi Zhang <mailto:mengqi.zhang@xxxxxxxxxxxx> > Date: Mon, 25 Dec 2023 17:38:40 +0800 > Subject: [PATCH] mmc: core: Add HS400 tuning in HS400es initialization > > commit 77e01b49e35f24ebd1659096d5fc5c3b75975545 upstream > > During the initialization to HS400es stage, add a HS400 tuning flow as an optional process. For Mediatek IP, the HS400es mode requires a specific tuning to ensure the correct HS400 timing setting. > > Signed-off-by: Mengqi Zhang <mailto:mengqi.zhang@xxxxxxxxxxxx> > Link: https://lore.kernel.org/r/20231225093839.22931-2-mengqi.zhang@xxxxxxxxxxxx > Signed-off-by: Ulf Hansson <mailto:ulf.hansson@xxxxxxxxxx> > --- > 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 a56906633ddf..c1eb22fd033b 100644 > --- a/drivers/mmc/core/mmc.c > +++ b/drivers/mmc/core/mmc.c > @@ -1799,8 +1799,13 @@ 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)) { > -- Better, thanks, but your email client still did odd things to the email addresses. I've fixed this up by hand, but please, be more careful next time... greg k-h
