linux-kernel - Re: [PATCH v4 2/2] gpio: Add GPIO driver for Spreadtrum SC9860 platform

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Message-ID: <CAHp75VcKiah6sTYq5iJuF-7DyxFtHUx1sne5VpkZwBpQ-1aq8g@mail.gmail.com>
Date:   Fri, 23 Feb 2018 15:35:01 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Baolin Wang <baolin.wang@...aro.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH v4 2/2] gpio: Add GPIO driver for Spreadtrum SC9860 platform

On Fri, Feb 23, 2018 at 6:44 AM, Baolin Wang <baolin.wang@...aro.org> wrote:
> The Spreadtrum SC9860 platform GPIO controller contains 16 groups and
> each group contains 16 GPIOs. Each GPIO can set input/output and has
> the interrupt capability.
>

Sorry, couple comments below.

> Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

> +/* We have 16 banks GPIOs and each bank contain 16 GPIOs */
> +#define SPRD_GPIO_BANK_NR      16
> +#define SPRD_GPIO_NR           256

> +#define SPRD_GPIO_BANK_SIZE    0x80

128 ?

> +       irq->handler = handle_simple_irq;

Shouldn't be handle_bad_irq() ?


> +static const struct of_device_id sprd_gpio_of_match[] = {
> +       { .compatible = "sprd,sc9860-gpio", },

> +       { /* end of list */ },

Comma is redundant. Absence of it even better at compile time if at
some weird case the item goes after a terminator.

> +};

-- 
With Best Regards,
Andy Shevchenko