linux-kernel - [PATCH 14/14] gpio: mvebu: use value returning setters

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Message-Id: <20250211-gpio-set-retval-v1-14-52d3d613d7d3@linaro.org>
Date: Tue, 11 Feb 2025 13:09:48 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Michael Walle <mwalle@...nel.org>, 
 Bamvor Jian Zhang <bamv2005@...il.com>, 
 Geert Uytterhoeven <geert+renesas@...der.be>, Keerthy <j-keerthy@...com>, 
 Uwe Kleine-König <ukleinek@...nel.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-pwm@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 14/14] gpio: mvebu: use value returning setters

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

struct gpio_chip now has additional variants of the set(_multiple)
driver callbacks that return an integer to indicate success or failure.
Convert the driver to using them.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/gpio/gpio-mvebu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 363bad286c32..3604abcb6fec 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -298,12 +298,12 @@ static unsigned int mvebu_pwmreg_blink_off_duration(struct mvebu_pwm *mvpwm)
 /*
  * Functions implementing the gpio_chip methods
  */
-static void mvebu_gpio_set(struct gpio_chip *chip, unsigned int pin, int value)
+static int mvebu_gpio_set(struct gpio_chip *chip, unsigned int pin, int value)
 {
 	struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
 
-	regmap_update_bits(mvchip->regs, GPIO_OUT_OFF + mvchip->offset,
-			   BIT(pin), value ? BIT(pin) : 0);
+	return regmap_update_bits(mvchip->regs, GPIO_OUT_OFF + mvchip->offset,
+				  BIT(pin), value ? BIT(pin) : 0);
 }
 
 static int mvebu_gpio_get(struct gpio_chip *chip, unsigned int pin)
@@ -1173,7 +1173,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
 	mvchip->chip.direction_input = mvebu_gpio_direction_input;
 	mvchip->chip.get = mvebu_gpio_get;
 	mvchip->chip.direction_output = mvebu_gpio_direction_output;
-	mvchip->chip.set = mvebu_gpio_set;
+	mvchip->chip.set_rv = mvebu_gpio_set;
 	if (have_irqs)
 		mvchip->chip.to_irq = mvebu_gpio_to_irq;
 	mvchip->chip.base = id * MVEBU_MAX_GPIO_PER_BANK;

-- 
2.45.2