pinctrl: amd: use new GPIO line value setter callbacks

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@linaro.org>
Link: https://lore.kernel.org/20250424-gpiochip-set-rv-pinctrl-part2-v1-1-504f91120b99@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Author: Bartosz Golaszewski

drivers/pinctrl/pinctrl-amd.c

@@ -101,7 +101,8 @@ static int amd_gpio_get_value(struct gpio_chip *gc, unsigned offset)
 	return !!(pin_reg & BIT(PIN_STS_OFF));
 }
 
-static void amd_gpio_set_value(struct gpio_chip *gc, unsigned offset, int value)
+static int amd_gpio_set_value(struct gpio_chip *gc, unsigned int offset,
+			      int value)
 {
 	u32 pin_reg;
 	unsigned long flags;
@@ -115,6 +116,8 @@ static void amd_gpio_set_value(struct gpio_chip *gc, unsigned offset, int value)
 		pin_reg &= ~BIT(OUTPUT_VALUE_OFF);
 	writel(pin_reg, gpio_dev->base + offset * 4);
 	raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
+
+	return 0;
 }
 
 static int amd_gpio_set_debounce(struct amd_gpio *gpio_dev, unsigned int offset,
@@ -1128,7 +1131,7 @@ static int amd_gpio_probe(struct platform_device *pdev)
 	gpio_dev->gc.direction_input	= amd_gpio_direction_input;
 	gpio_dev->gc.direction_output	= amd_gpio_direction_output;
 	gpio_dev->gc.get			= amd_gpio_get_value;
-	gpio_dev->gc.set			= amd_gpio_set_value;
+	gpio_dev->gc.set_rv			= amd_gpio_set_value;
 	gpio_dev->gc.set_config		= amd_gpio_set_config;
 	gpio_dev->gc.dbg_show		= amd_gpio_dbg_show;