On Tue, Aug 8, 2023 at 6:25 PM Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
>
> On Fri, 21 Jul 2023 at 12:14, Victor Shih <victorshihgli@xxxxxxxxx> wrote:
> >
> > From: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx>
>
> Authorship?
>
Hi, Ulf
I will update this in the V10 version.
Thanks, Victor Shih
> >
> > Update in previous version:
>
> Please, drop the above.
>
Hi, Ulf
I will update this in the V10 version.
Thanks, Victor Shih
> > To inform the users about SD UHS-II cards, let's extend the print at card
> > insertion with a "UHS-II" substring. Within this change, it seems
> > reasonable to convert from using "ultra high speed" into "UHS-I speed", for
> > the UHS-I type, as it should makes it more clear.
> >
> > Note that, the new print for UHS-II cards doesn't include the actual
> > selected speed mode. Instead, this is going to be added from subsequent
> > change.
> >
> > Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> > Signed-off-by: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx>
> > ---
> >
> > Updates in V7:
> > - Drop MMC_TIMING_SD_UHS2 in favor of MMC_TIMING_UHS2_SPEED_A in
> > mmc_card_uhs2 function.
> >
> > Updates in V4:
> > - Make mmc_card_uhs2() take struct mmc_host* as in-param.
> >
> > ---
> >
> > drivers/mmc/core/bus.c | 4 +++-
> > drivers/mmc/core/host.h | 7 +++++++
> > 2 files changed, 10 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
> > index cf32cf135781..d9a3b3d38d8b 100644
> > --- a/drivers/mmc/core/bus.c
> > +++ b/drivers/mmc/core/bus.c
> > @@ -341,7 +341,9 @@ int mmc_add_card(struct mmc_card *card)
> > if (mmc_card_hs(card))
> > speed_mode = "high speed ";
> > else if (mmc_card_uhs(card))
> > - speed_mode = "ultra high speed ";
> > + speed_mode = "UHS-I speed ";
> > + else if (mmc_card_uhs2(card->host))
> > + speed_mode = "UHS-II speed ";
> > else if (mmc_card_ddr52(card))
> > speed_mode = "high speed DDR ";
> > else if (mmc_card_hs200(card))
> > diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h
> > index 48c4952512a5..9f6e5e31dfea 100644
> > --- a/drivers/mmc/core/host.h
> > +++ b/drivers/mmc/core/host.h
> > @@ -89,5 +89,12 @@ static inline bool mmc_card_sd_express(struct mmc_host *host)
> > host->ios.timing == MMC_TIMING_SD_EXP_1_2V;
> > }
> >
> > +static inline bool mmc_card_uhs2(struct mmc_host *host)
> > +{
> > + return host->ios.timing == MMC_TIMING_UHS2_SPEED_A ||
> > + host->ios.timing == MMC_TIMING_UHS2_SPEED_A_HD ||
> > + host->ios.timing == MMC_TIMING_UHS2_SPEED_B ||
> > + host->ios.timing == MMC_TIMING_UHS2_SPEED_B_HD;
> > +}
> > #endif
> >
>
> Kind regards
> Uffe
