linux-kernel - Re: [PATCH V1 2/2] mmc: tegra: SDMMC pads auto-calibration

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Date:   Wed, 19 Dec 2018 12:39:14 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Sowjanya Komatineni <skomatineni@...dia.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jon Hunter <jonathanh@...dia.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        DTML <devicetree@...r.kernel.org>, linux-tegra@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>
Subject: Re: [PATCH V1 2/2] mmc: tegra: SDMMC pads auto-calibration

[...]

>         if (tegra_host->pad_calib_required)
> @@ -805,8 +854,15 @@ static int tegra_sdhci_init_pinctrl_info(struct device *dev,
>                 return -1;
>         }
>
> -       tegra_host->pinctrl_state_3v3 =
> -               pinctrl_lookup_state(tegra_host->pinctrl_sdmmc, "sdmmc-3v3");
> +       tegra_host->pinctrl_state_1v8_drv = pinctrl_lookup_state(
> +                               tegra_host->pinctrl_sdmmc, "sdmmc-1v8-drv");

This requires and updated DT doc for tegra sdhci. Please make that a
separate patch and put it first in the series. Also don't forget to
include the DT maintainers in the to field for that patch.

> +
> +       tegra_host->pinctrl_state_3v3_drv = pinctrl_lookup_state(
> +                               tegra_host->pinctrl_sdmmc, "sdmmc-3v3-drv");

Ditto.

> +
> +       tegra_host->pinctrl_state_3v3 = pinctrl_lookup_state(
> +                               tegra_host->pinctrl_sdmmc, "sdmmc-3v3");
> +

The above looks like an unnecessary line change. Please just stick to
the existing format and avoid changing code that doesn't need to be
changed.

>         if (IS_ERR(tegra_host->pinctrl_state_3v3)) {
>                 dev_warn(dev, "Missing 3.3V pad state, err: %ld\n",
>                          PTR_ERR(tegra_host->pinctrl_state_3v3));
> --
> 2.7.4
>

Kind regards
Uffe