gpio: altera: use new 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/20250303-gpiochip-set-conversion-v1-8-1d5cceeebf8b@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c
index 17ab039c741314b909f461be7a192791d492c910..1b28525726d7deddd0b11624416ac8b47c655be6 100644 (file)
--- a/drivers/gpio/gpio-altera.c
+++ b/drivers/gpio/gpio-altera.c
@@ -113,7 +113,7 @@ static int altera_gpio_get(struct gpio_chip *gc, unsigned offset)
        return !!(readl(altera_gc->regs + ALTERA_GPIO_DATA) & BIT(offset));
 }
 
-static void altera_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
+static int altera_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
 {
        struct altera_gpio_chip *altera_gc = gpiochip_get_data(gc);
        unsigned long flags;
@@ -127,6 +127,8 @@ static void altera_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
                data_reg &= ~BIT(offset);
        writel(data_reg, altera_gc->regs + ALTERA_GPIO_DATA);
        raw_spin_unlock_irqrestore(&altera_gc->gpio_lock, flags);
+
+       return 0;
 }
 
 static int altera_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
@@ -257,7 +259,7 @@ static int altera_gpio_probe(struct platform_device *pdev)
        altera_gc->gc.direction_input   = altera_gpio_direction_input;
        altera_gc->gc.direction_output  = altera_gpio_direction_output;
        altera_gc->gc.get               = altera_gpio_get;
-       altera_gc->gc.set               = altera_gpio_set;
+       altera_gc->gc.set_rv            = altera_gpio_set;
        altera_gc->gc.owner             = THIS_MODULE;
        altera_gc->gc.parent            = &pdev->dev;
        altera_gc->gc.base              = -1;