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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Mon, 25 Jul 2022 10:03:40 +0200
Message-ID: <CAHp75VessBZMBA6wNWhhXhPshDCghgkV8EkEUUqOeLqn-5pmpA@mail.gmail.com>
Subject: Re: [PATCH v6 08/13] usb: typec: tcpci_mt6370: Add MediaTek MT6370
 tcpci driver
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>,
        cy_huang <cy_huang@richtek.com>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        Linux LED Subsystem <linux-leds@vger.kernel.org>,
        devicetree <devicetree@vger.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@lists.infradead.org>,
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        "open list:FRAMEBUFFER LAYER" <linux-fbdev@vger.kernel.org>,
        szuni chen <szunichen@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
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On Fri, Jul 22, 2022 at 12:25 PM ChiaEn Wu <peterwu.pub@gmail.com> wrote:
>
> From: ChiYuan Huang <cy_huang@richtek.com>
>
> The MediaTek MT6370 is a highly-integrated smart power management IC,
> which includes a single cell Li-Ion/Li-Polymer switching battery
> charger, a USB Type-C & Power Delivery (PD) controller, dual
> Flash LED current sources, a RGB LED driver, a backlight WLED driver,
> a display bias driver and a general LDO for portable devices.
>
> Add support for the Type-C & Power Delivery controller in
> MediaTek MT6370 IC.

...

> +static int mt6370_tcpc_set_vconn(struct tcpci *tcpci, struct tcpci_data *data,
> +                                bool enable)
> +{
> +       return regmap_update_bits(data->regmap, MT6370_REG_SYSCTRL8,
> +                                 MT6370_AUTOIDLE_MASK,
> +                                 !enable ? MT6370_AUTOIDLE_MASK : 0);

Why not positive conditional?

  enable ? 0 : mask

> +}

...

> +       ret = devm_add_action_or_reset(dev, mt6370_unregister_tcpci_port,
> +                                      priv->tcpci);

I believe nothing bad will happen if you put it on one line.

-- 
With Best Regards,
Andy Shevchenko