linux-kernel - [PATCH 11/16] pinctrl: pic32: use new GPIO line value setter callbacks

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Message-Id: <20250612-gpiochip-set-rv-pinctrl-remaining-v1-11-556b0a530cd4@linaro.org>
Date: Thu, 12 Jun 2025 15:15:20 +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 11/16] pinctrl: pic32: 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-pic32.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-pic32.c b/drivers/pinctrl/pinctrl-pic32.c
index bf827ab081a1d672c440a8b4eccab539fdc215e7..6d64cab97e8116625c2efce29a3e5db8248bcba4 100644
--- a/drivers/pinctrl/pinctrl-pic32.c
+++ b/drivers/pinctrl/pinctrl-pic32.c
@@ -1828,8 +1828,8 @@ static int pic32_gpio_get(struct gpio_chip *chip, unsigned offset)
 	return !!(readl(bank->reg_base + PORT_REG) & BIT(offset));
 }
 
-static void pic32_gpio_set(struct gpio_chip *chip, unsigned offset,
-			       int value)
+static int pic32_gpio_set(struct gpio_chip *chip, unsigned int offset,
+			  int value)
 {
 	struct pic32_gpio_bank *bank = gpiochip_get_data(chip);
 	u32 mask = BIT(offset);
@@ -1838,6 +1838,8 @@ static void pic32_gpio_set(struct gpio_chip *chip, unsigned offset,
 		writel(mask, bank->reg_base + PIC32_SET(PORT_REG));
 	else
 		writel(mask, bank->reg_base + PIC32_CLR(PORT_REG));
+
+	return 0;
 }
 
 static int pic32_gpio_direction_output(struct gpio_chip *chip,
@@ -2118,7 +2120,7 @@ static void pic32_gpio_irq_handler(struct irq_desc *desc)
 			.direction_input = pic32_gpio_direction_input,	\
 			.direction_output = pic32_gpio_direction_output, \
 			.get = pic32_gpio_get,				\
-			.set = pic32_gpio_set,				\
+			.set_rv = pic32_gpio_set,			\
 			.ngpio = _npins,				\
 			.base = GPIO_BANK_START(_bank),			\
 			.owner = THIS_MODULE,				\

-- 
2.48.1