linux-kernel - [PATCH 14/16] pinctrl: sunxi: use new GPIO line value setter callbacks

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Message-Id: <20250612-gpiochip-set-rv-pinctrl-remaining-v1-14-556b0a530cd4@linaro.org>
Date: Thu, 12 Jun 2025 15:15:23 +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 14/16] pinctrl: sunxi: 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/sunxi/pinctrl-sunxi.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index bf8612d72daacdde6209b0b5c84e010ef3b846c9..9a94c5276828aca51212f536400897e447c62ecd 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -955,8 +955,8 @@ static int sunxi_pinctrl_gpio_get(struct gpio_chip *chip, unsigned offset)
 	return val;
 }
 
-static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
-				unsigned offset, int value)
+static int sunxi_pinctrl_gpio_set(struct gpio_chip *chip, unsigned int offset,
+				  int value)
 {
 	struct sunxi_pinctrl *pctl = gpiochip_get_data(chip);
 	u32 reg, shift, mask, val;
@@ -976,6 +976,8 @@ static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
 	writel(val, pctl->membase + reg);
 
 	raw_spin_unlock_irqrestore(&pctl->lock, flags);
+
+	return 0;
 }
 
 static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip,
@@ -1597,7 +1599,7 @@ int sunxi_pinctrl_init_with_flags(struct platform_device *pdev,
 	pctl->chip->direction_input = sunxi_pinctrl_gpio_direction_input;
 	pctl->chip->direction_output = sunxi_pinctrl_gpio_direction_output;
 	pctl->chip->get = sunxi_pinctrl_gpio_get;
-	pctl->chip->set = sunxi_pinctrl_gpio_set;
+	pctl->chip->set_rv = sunxi_pinctrl_gpio_set;
 	pctl->chip->of_xlate = sunxi_pinctrl_gpio_of_xlate;
 	pctl->chip->to_irq = sunxi_pinctrl_gpio_to_irq;
 	pctl->chip->of_gpio_n_cells = 3;

-- 
2.48.1