linux-kernel - Re: [PATCH v3 2/3] dts: mediatek: configure some fixed mmc parameters

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Message-ID: <CAPDyKFrHCy7bLb-wDRWpELAB5VxPc4tjyWKd31YufEZC_AQtVA@mail.gmail.com>
Date:   Fri, 20 Jan 2017 08:59:08 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Yong Mao <yong.mao@...iatek.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Chaotian Jing <chaotian.jing@...iatek.com>,
        Eddie Huang <eddie.huang@...iatek.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        srv_heupstream <srv_heupstream@...iatek.com>,
        linux-mediatek@...ts.infradead.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/3] dts: mediatek: configure some fixed mmc parameters

On 19 January 2017 at 11:19, Yong Mao <yong.mao@...iatek.com> wrote:
> From: yong mao <yong.mao@...iatek.com>
>
> configure some fixed mmc parameters
>
> Signed-off-by: Yong Mao <yong.mao@...iatek.com>
> Signed-off-by: Chaotian Jing <chaotian.jing@...iatek.com>

Please change the prefix of the commit message header to "ARM64: dts: mt8173:".

Also make sure you send this to the ARM mailing list as well.

In general, I think it's better DTS changes go via the ARM SoC tree,
but I can pick it up if it's trivial and I get an ack from the SoC
maintainer.

> ---
>  arch/arm64/boot/dts/mediatek/mt8173-evb.dts |    3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> index 0ecaad4..403705e 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> @@ -134,6 +134,9 @@
>         bus-width = <8>;
>         max-frequency = <50000000>;
>         cap-mmc-highspeed;
> +       mtk-hs200-cmd-int-delay=<26>;
> +       mtk-hs400-cmd-int-delay=<14>;
> +       mtk-hs400-cmd-resp-sel=<0>; /* 0:rising, 1:falling */
>         vmmc-supply = <&mt6397_vemc_3v3_reg>;
>         vqmmc-supply = <&mt6397_vio18_reg>;
>         non-removable;
> --
> 1.7.9.5
>

Kind regards
Uffe