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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Mon, 4 Jul 2022 22:35:47 +0200
Message-ID: <CAHp75Ve+-ht6J5PZXS1jO1qfxn6Nfd2wDfuW-NsigR_k7iRJGg@mail.gmail.com>
Subject: Re: [PATCH v4 09/13] iio: adc: mt6370: Add Mediatek MT6370 support
To:     ChiaEn Wu <peterwu.pub@gmail.com>
Cc:     Lee Jones <lee.jones@linaro.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Jingoo Han <jingoohan1@gmail.com>, Pavel Machek <pavel@ucw.cz>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Sebastian Reichel <sre@kernel.org>,
        Chunfeng Yun <chunfeng.yun@mediatek.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Guenter Roeck <linux@roeck-us.net>,
        "Krogerus, Heikki" <heikki.krogerus@linux.intel.com>,
        Helge Deller <deller@gmx.de>,
        ChiaEn Wu <chiaen_wu@richtek.com>,
        Alice Chen <alice_chen@richtek.com>,
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        "moderated list:ARM/Mediatek SoC support" 
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On Mon, Jul 4, 2022 at 7:42 AM ChiaEn Wu <peterwu.pub@gmail.com> wrote:
>
> From: ChiaEn Wu <chiaen_wu@richtek.com>
>
> Add Mediatek MT6370 ADC support.

...

> +         This driver can also be built as a module. If so the module

If so,

> +         will be called "mt6370-adc.ko".

No ".ko" part.

...

> +#define ADC_CONV_TIME_US               35000

Since it's actually MS, drop this and use MS * 1000 whenever it's needed.


> +#define ADC_CONV_TIME_MS               (ADC_CONV_TIME_US / 1000)

...

> +static int mt6370_adc_read_label(struct iio_dev *iio_dev,
> +                                struct iio_chan_spec const *chan, char *label)
> +{
> +       return snprintf(label, PAGE_SIZE, "%s\n",
> +                       mt6370_channel_labels[chan->channel]);

sysfs_emit()

> +}

...

> +static int mt6370_adc_probe(struct platform_device *pdev)
> +{
> +       int ret;
> +       struct mt6370_adc_data *priv;
> +       struct regmap *regmap;
> +       struct iio_dev *indio_dev;

Per all your patches, use reversed xmas tree ordering ("longest line
first" rule).
Also it may be good to have a temporary variable for struct device pointer.

> +}

...

> +MODULE_DESCRIPTION("MT6370 ADC Drvier");

Driver. Spell check your patches.

-- 
With Best Regards,
Andy Shevchenko