linux-kernel - Re: [PATCH v2 2/3] gpiolib: acpi: Don't use GPIO chip fwnode in acpi_gpiochip

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Message-ID: <CAO-hwJ+HPLe3XQuGtbZT2wky4wMRpR2kVWj3-euCrrQRkpoVBg@mail.gmail.com>
Date:   Mon, 3 Jul 2023 16:43:05 +0200
From:   Benjamin Tissoires <benjamin.tissoires@...hat.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        linux-gpio@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Benjamin Tissoires <bentiss@...nel.org>
Subject: Re: [PATCH v2 2/3] gpiolib: acpi: Don't use GPIO chip fwnode in acpi_gpiochip_find()

On Mon, Jul 3, 2023 at 4:29 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> GPIO library should rely only on the GPIO device's fwnode.
> Hence, replace GPIO chip fwnode usage by respective handle
> of the GPIO device.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Tested-by: Benjamin Tissoires <bentiss@...nel.org>
> ---
>  drivers/gpio/gpiolib-acpi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
> index 97496c0f9133..fbda452fb4d6 100644
> --- a/drivers/gpio/gpiolib-acpi.c
> +++ b/drivers/gpio/gpiolib-acpi.c
> @@ -128,7 +128,7 @@ static bool acpi_gpio_deferred_req_irqs_done;
>
>  static int acpi_gpiochip_find(struct gpio_chip *gc, void *data)
>  {
> -       return ACPI_HANDLE_FWNODE(gc->fwnode) == data;
> +       return device_match_acpi_handle(&gc->gpiodev->dev, data);

Quick confirmation that using "device_match_acpi_handle" also works in
v2 (was easy enough to test given that everything was already set up
locally).

Cheers,
Benjamin

>  }
>
>  /**
> --
> 2.40.0.1.gaa8946217a0b
>