linux-kernel - Re: [PATCH 05/10] pinctrl: meson: use new GPIO line value setter callbacks

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Message-ID: <a5c44052-1873-4df3-ae2b-ffe21246c16b@linaro.org>
Date: Tue, 8 Apr 2025 09:41:33 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Bartosz Golaszewski <brgl@...ev.pl>,
 Ludovic Desroches <ludovic.desroches@...rochip.com>,
 Linus Walleij <linus.walleij@...aro.org>,
 Nicolas Ferre <nicolas.ferre@...rochip.com>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>,
 Claudiu Beznea <claudiu.beznea@...on.dev>,
 Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
 Xianwei Zhao <xianwei.zhao@...ogic.com>,
 Patrick Rudolph <patrick.rudolph@...ements.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 05/10] pinctrl: meson: use new GPIO line value setter
 callbacks

On 08/04/2025 09:17, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> struct gpio_chip now has callbacks for setting line values that return
> an integer, allowing to indicate failures. Convert the driver to using
> them.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
>   drivers/pinctrl/meson/pinctrl-meson.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
> index 253a0cc57e39..e7485c82089c 100644
> --- a/drivers/pinctrl/meson/pinctrl-meson.c
> +++ b/drivers/pinctrl/meson/pinctrl-meson.c
> @@ -580,9 +580,9 @@ static int meson_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
>   					      gpio, value);
>   }
>   
> -static void meson_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
> +static int meson_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
>   {
> -	meson_pinconf_set_drive(gpiochip_get_data(chip), gpio, value);
> +	return meson_pinconf_set_drive(gpiochip_get_data(chip), gpio, value);
>   }
>   
>   static int meson_gpio_get(struct gpio_chip *chip, unsigned gpio)
> @@ -616,7 +616,7 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc)
>   	pc->chip.direction_input = meson_gpio_direction_input;
>   	pc->chip.direction_output = meson_gpio_direction_output;
>   	pc->chip.get = meson_gpio_get;
> -	pc->chip.set = meson_gpio_set;
> +	pc->chip.set_rv = meson_gpio_set;
>   	pc->chip.base = -1;
>   	pc->chip.ngpio = pc->data->num_pins;
>   	pc->chip.can_sleep = false;
> 

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>