linux-kernel - Re: [PATCH v4 05/15] pinctrl: add a pincontrol driver for BCM6328

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Date:   Thu, 4 Mar 2021 12:49:48 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Álvaro Fernández Rojas <noltari@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Walle <michael@...le.cc>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Jonas Gorski <jonas.gorski@...il.com>,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 05/15] pinctrl: add a pincontrol driver for BCM6328

On Thu, Mar 4, 2021 at 10:57 AM Álvaro Fernández Rojas
<noltari@...il.com> wrote:
>
> Add a pincontrol driver for BCM6328. BCM628 supports muxing 32 pins as
> GPIOs, as LEDs for the integrated LED controller, or various other
> functions. Its pincontrol mux registers also control other aspects, like
> switching the second USB port between host and device mode.

...

> +static inline unsigned int bcm6328_mux_off(unsigned int pin)
> +{
> +       static const unsigned int bcm6328_mux[] = {
> +               BCM6328_MUX_LO_REG,
> +               BCM6328_MUX_HI_REG,

> +               BCM6328_MUX_OTHER_REG

When it's not terminator add a comma, otherwise remove a comma.

Also, why is it inside a function? It's anyway global and constant.

> +       };

...

> +       regmap_update_bits(pc->regs, bcm6328_mux_off(pin),
> +                          3UL << ((pin % 16) * 2),

3UL => #define BLABLA  GENMASK(1, 0)

> +                          mux << ((pin % 16) * 2));

...

> +static const struct of_device_id bcm6328_pinctrl_match[] = {
> +       { .compatible = "brcm,bcm6328-pinctrl", },
> +       { },

No comma.

> +};

Above comments to all your patches.

-- 
With Best Regards,
Andy Shevchenko