gpio: xgene: 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.

Link: https://lore.kernel.org/r/20250709-gpiochip-set-rv-gpio-remaining-v1-9-b8950f69618d@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c
index fb4b0c67aeef46a3810178a3a1b6870d04c8ecdf..28f794e5eb26c06088a205ac7294a226fe63843b 100644 (file)
--- a/drivers/gpio/gpio-xgene.c
+++ b/drivers/gpio/gpio-xgene.c
@@ -62,7 +62,7 @@ static void __xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
        iowrite32(setval, chip->base + bank_offset);
 }
 
-static void xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
+static int xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
 {
        struct xgene_gpio *chip = gpiochip_get_data(gc);
        unsigned long flags;
@@ -70,6 +70,8 @@ static void xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
        spin_lock_irqsave(&chip->lock, flags);
        __xgene_gpio_set(gc, offset, val);
        spin_unlock_irqrestore(&chip->lock, flags);
+
+       return 0;
 }
 
 static int xgene_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)
@@ -176,7 +178,7 @@ static int xgene_gpio_probe(struct platform_device *pdev)
        gpio->chip.direction_input = xgene_gpio_dir_in;
        gpio->chip.direction_output = xgene_gpio_dir_out;
        gpio->chip.get = xgene_gpio_get;
-       gpio->chip.set = xgene_gpio_set;
+       gpio->chip.set_rv = xgene_gpio_set;
        gpio->chip.label = dev_name(&pdev->dev);
        gpio->chip.base = -1;