Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
IronPort-SDR: o73TE2EC9GsrGxmSwP43h4r04R/Aio1KUS6l1x7jURtl8CT7OoiEoOmTqhdi+BfIfozznZTMjo
 Fz3rBlWa/hpA==
IronPort-SDR: GT+jV+6JhxKeFSmlKrsBn6C4JcsItW6B4g5fgGn0cw9Gud+1a99YgD1DichrH3SosrivxQU61G
 ggQYIjdtPqIw==
From:   Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [RFC PATCH v3.1 08/27] mmc: sdhci: add a kernel configuration for
 enabling UHS-II support
To:     AKASHI Takahiro <takahiro.akashi@linaro.org>,
        ulf.hansson@linaro.org
Cc:     linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
        ben.chuang@genesyslogic.com.tw, greg.tu@genesyslogic.com.tw
References: <20201106022726.19831-1-takahiro.akashi@linaro.org>
 <20201106022726.19831-9-takahiro.akashi@linaro.org>
Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki,
 Business Identity Code: 0357606 - 4, Domiciled in Helsinki
Message-ID: <98a9d355-80fe-ad48-e5c4-552e88e1c499@intel.com>
Date:   Thu, 26 Nov 2020 10:14:36 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.12.0
MIME-Version: 1.0
In-Reply-To: <20201106022726.19831-9-takahiro.akashi@linaro.org>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk

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@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
>