linux-kernel - [PATCH 10/16] pinctrl: apple: use new GPIO line value setter callbacks

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Message-Id: <20250612-gpiochip-set-rv-pinctrl-remaining-v1-10-556b0a530cd4@linaro.org>
Date: Thu, 12 Jun 2025 15:15:19 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Dvorkin Dmitry <dvorkin@...bo.com>, Wells Lu <wellslutw@...il.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Patrice Chotard <patrice.chotard@...s.st.com>, 
 Support Opensource <support.opensource@...semi.com>, 
 Baruch Siach <baruch@...s.co.il>, Sven Peter <sven@...nel.org>, 
 Janne Grunau <j@...nau.net>, Alyssa Rosenzweig <alyssa@...enzweig.io>, 
 Neal Gompa <neal@...pa.dev>, Viresh Kumar <vireshk@...nel.org>, 
 Lakshmi Sowjanya D <lakshmi.sowjanya.d@...el.com>, 
 Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org, 
 linux-kernel@...r.kernel.org, asahi@...ts.linux.dev, soc@...ts.linux.dev, 
 linux-sunxi@...ts.linux.dev, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 10/16] pinctrl: apple: use new GPIO line value setter
 callbacks

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/pinctrl-apple-gpio.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-apple-gpio.c b/drivers/pinctrl/pinctrl-apple-gpio.c
index 0f551d67d482d96c7a1e4c28a6db580f0db6452e..dcf3a921b4df54250194403f06a3c1fb40110eaa 100644
--- a/drivers/pinctrl/pinctrl-apple-gpio.c
+++ b/drivers/pinctrl/pinctrl-apple-gpio.c
@@ -217,11 +217,13 @@ static int apple_gpio_get(struct gpio_chip *chip, unsigned offset)
 	return !!(reg & REG_GPIOx_DATA);
 }
 
-static void apple_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
+static int apple_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	struct apple_gpio_pinctrl *pctl = gpiochip_get_data(chip);
 
 	apple_gpio_set_reg(pctl, offset, REG_GPIOx_DATA, value ? REG_GPIOx_DATA : 0);
+
+	return 0;
 }
 
 static int apple_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
@@ -376,7 +378,7 @@ static int apple_gpio_register(struct apple_gpio_pinctrl *pctl)
 	pctl->gpio_chip.direction_input = apple_gpio_direction_input;
 	pctl->gpio_chip.direction_output = apple_gpio_direction_output;
 	pctl->gpio_chip.get = apple_gpio_get;
-	pctl->gpio_chip.set = apple_gpio_set;
+	pctl->gpio_chip.set_rv = apple_gpio_set;
 	pctl->gpio_chip.base = -1;
 	pctl->gpio_chip.ngpio = pctl->pinctrl_desc.npins;
 	pctl->gpio_chip.parent = pctl->dev;

-- 
2.48.1