linux-kernel - Re: [PATCH v1 1/1] gpio: exar: Allow IO port access

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Message-ID: <CAMRc=MctArjkzcLY23wKUhUBc9kqy5k1ZWuY61OykofRHGQq5g@mail.gmail.com>
Date:   Tue, 25 Oct 2022 17:41:19 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Qingtao Cao <qingtao.cao.au@...il.com>, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v1 1/1] gpio: exar: Allow IO port access

On Mon, Oct 17, 2022 at 7:05 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> It's possible that PCI device can provide an IO port resource for
> the device. regmap MMIO currently uses MMIO by default. With an
> additional flag we enable support for IO port accesses.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/gpio/gpio-exar.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
> index 482f678c893e..df1bdaae441c 100644
> --- a/drivers/gpio/gpio-exar.c
> +++ b/drivers/gpio/gpio-exar.c
> @@ -141,6 +141,7 @@ static const struct regmap_config exar_regmap_config = {
>         .name           = "exar-gpio",
>         .reg_bits       = 16,
>         .val_bits       = 8,
> +       .io_port        = true,
>  };
>
>  static int gpio_exar_probe(struct platform_device *pdev)
> --
> 2.35.1
>

Applied, thanks!

Bartosz