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Date:   Thu, 26 Nov 2020 10:14:36 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     AKASHI Takahiro <takahiro.akashi@...aro.org>,
        ulf.hansson@...aro.org
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        ben.chuang@...esyslogic.com.tw, greg.tu@...esyslogic.com.tw
Subject: Re: [RFC PATCH v3.1 08/27] mmc: sdhci: add a kernel configuration for
 enabling UHS-II support

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.

> 
> Signed-off-by: Ben Chuang <ben.chuang@...esyslogic.com.tw>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi@...aro.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
> 

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