Re: [RFC PATCH v3.1 08/27] mmc: sdhci: add a kernel configuration for enabling UHS-II support

AKASHI Takahiro
2020-11-30T05:18:54Z

On Thu, Nov 26, 2020 at 10:14:36AM +0200, Adrian Hunter wrote:
> On 6/11/20 4:27 am, AKASHI Takahiro wrote:
> > This kernel configuration, CONFIG_MMC_SDHCI_UHS2, will be used
> > in the following commits to indicate UHS-II specific code in sdhci
> > controllers.
>
> This patch needs to be combined with a patch that actually uses the config.

Earlier is better. So the patch #10/27 would be the best.

-Takahiro Akashi

> >
> > Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
> > Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
> > ---
> > drivers/mmc/host/Kconfig | 9 +++++++++
> > 1 file changed, 9 insertions(+)
> >
> > diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
> > index 31481c9fcc2e..5ca9ac03db40 100644
> > --- a/drivers/mmc/host/Kconfig
> > +++ b/drivers/mmc/host/Kconfig
> > @@ -89,6 +89,15 @@ config MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
> >
> > This is the case for the Nintendo Wii SDHCI.
> >
> > +config MMC_SDHCI_UHS2
> > + tristate "UHS2 support on SDHCI controller"
> > + depends on MMC_SDHCI
> > + help
> > + This option is selected by SDHCI controller drivers that want to
> > + support UHS2-capable devices.
> > +
> > + If you have a controller with this feature, say Y or M here.
> > +
> > config MMC_SDHCI_PCI
> > tristate "SDHCI support on PCI bus"
> > depends on MMC_SDHCI && PCI
> >
>