gpio: bcm-kona: 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/20250310-gpiochip-set-conversion-v1-2-03798bb833eb@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index a7390b1f11737c666658fba7c467952034f5c342..17c287dc747151c6217c11fe77d83e3542e830c2 100644 (file)
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -149,7 +149,8 @@ static int bcm_kona_gpio_get_dir(struct gpio_chip *chip, unsigned gpio)
        return val ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT;
 }
 
-static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
+static int bcm_kona_gpio_set(struct gpio_chip *chip, unsigned int gpio,
+                            int value)
 {
        struct bcm_kona_gpio *kona_gpio;
        void __iomem *reg_base;
@@ -164,13 +165,15 @@ static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
 
        /* this function only applies to output pin */
        if (bcm_kona_gpio_get_dir(chip, gpio) == GPIO_LINE_DIRECTION_IN)
-               return;
+               return 0;
 
        reg_offset = value ? GPIO_OUT_SET(bank_id) : GPIO_OUT_CLEAR(bank_id);
 
        val = readl(reg_base + reg_offset);
        val |= BIT(bit);
        writel(val, reg_base + reg_offset);
+
+       return 0;
 }
 
 static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio)
@@ -336,7 +339,7 @@ static const struct gpio_chip template_chip = {
        .direction_input = bcm_kona_gpio_direction_input,
        .get = bcm_kona_gpio_get,
        .direction_output = bcm_kona_gpio_direction_output,
-       .set = bcm_kona_gpio_set,
+       .set_rv = bcm_kona_gpio_set,
        .set_config = bcm_kona_gpio_set_config,
        .to_irq = bcm_kona_gpio_to_irq,
        .base = 0,