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Message-ID: <CAHp75VdAyA=JkY6tjzRvHNwXZie9H4nrn6ct3qzuyUWgNeW21w@mail.gmail.com>
Date:   Wed, 11 May 2022 12:37:46 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Moses Christopher Bollavarapu <mosescb.dev@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drivers: gpio: zevio: drop of_gpio.h header

On Wed, May 11, 2022 at 12:31 AM Moses Christopher Bollavarapu
<mosescb.dev@...il.com> wrote:

I like the idea and the patch, but a few comments below.

> remove of_gpio.h header file, replace of_* functions and structs
> with appropriate alternatives

Please respect English grammar, i.e. Capital letters at the beginning
of the sentences and period at the ends.

...

>  struct zevio_gpio {
>         spinlock_t              lock;
> -       struct of_mm_gpio_chip  chip;
> +       struct gpio_chip        chip;
> +       void __iomem            *regs;

While at it, please move the chip member to be the first one. It will
optimize container_of() in case it's being called against a zevio_gpio
object instance.

>  };

...

> +       controller->regs = devm_platform_ioremap_resource(pdev, 0);
> +       if (IS_ERR(controller->regs)) {

> +               dev_err(&pdev->dev, "failed to ioremap memory resource\n");
> +               return PTR_ERR(controller->regs);

return dev_err_probe(&pdev->dev, ...);

> +       }

...

> +       status = devm_gpiochip_add_data(&pdev->dev,
> +                                       &(controller->chip),

Too many parentheses.

> +                                       controller);

Also, combine all of them to be located on a single line.

-- 
With Best Regards,
Andy Shevchenko

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