linux-kernel - Re: [PATCH 3/4] gpio: Add in ast2600 details to Aspeed driver

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Date:   Wed, 4 Sep 2019 19:30:09 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Rashmica Gupta <rashmica.g@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        linux-aspeed@...ts.ozlabs.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...id.au>
Subject: Re: [PATCH 3/4] gpio: Add in ast2600 details to Aspeed driver

On Wed, Sep 4, 2019 at 9:14 AM Rashmica Gupta <rashmica.g@...il.com> wrote:
>
> The ast2600 has two gpio controllers, one for 3.6V GPIOS and one for 1.8V GPIOS.
>
> Signed-off-by: Rashmica Gupta <rashmica.g@...il.com>

> -       for (i = 0; i < ARRAY_SIZE(aspeed_gpio_banks); i++) {
> +       banks = (gpio->config->nr_gpios >> 5) + 1;

Same comment as per the other patch.

> +       for (i = 0; i < banks; i++) {

> +static const struct aspeed_bank_props ast2600_bank_props[] = {
> +       /*     input      output   */
> +       {5, 0xffffffff,  0x0000ffff}, /* U/V/W/X */
> +       {6, 0xffff0000,  0x0fff0000}, /* Y/Z */

Perhaps GENMASK() for all values?

> +       { },

Comma is not needed here.

> +};
> +
> +static const struct aspeed_gpio_config ast2600_config =
> +       /* 208 3.6V GPIOs */

> +       { .nr_gpios = 208, .props = ast2600_bank_props, };

Seems curly braces missed their places.

> +static const struct aspeed_bank_props ast2600_1_8v_bank_props[] = {
> +       /*     input      output   */
> +       {1, 0x0000000f,  0x0000000f}, /* E */

GENMASK()?

> +       { },

No comma.

> +};

> +static const struct aspeed_gpio_config ast2600_1_8v_config =
> +       /* 36 1.8V GPIOs */
> +       { .nr_gpios = 36, .props = ast2600_1_8v_bank_props, };

Location of the curly braces?

-- 
With Best Regards,
Andy Shevchenko