gpio: rdc321x: 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/20250619-gpiochip-set-rv-gpio-v2-8-74abf689fbd8@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c
index ec7fb9220a4747fad5dfdb88e25e68d2a104e37a..a75ed8021de57db122938e4736c3ac994bcdd2d1 100644 (file)
--- a/drivers/gpio/gpio-rdc321x.c
+++ b/drivers/gpio/gpio-rdc321x.c
@@ -64,8 +64,8 @@ static void rdc_gpio_set_value_impl(struct gpio_chip *chip,
 }
 
 /* set GPIO pin to value */
-static void rdc_gpio_set_value(struct gpio_chip *chip,
-                               unsigned gpio, int value)
+static int rdc_gpio_set_value(struct gpio_chip *chip, unsigned int gpio,
+                             int value)
 {
        struct rdc321x_gpio *gpch;
 
@@ -73,6 +73,8 @@ static void rdc_gpio_set_value(struct gpio_chip *chip,
        spin_lock(&gpch->lock);
        rdc_gpio_set_value_impl(chip, gpio, value);
        spin_unlock(&gpch->lock);
+
+       return 0;
 }
 
 static int rdc_gpio_config(struct gpio_chip *chip,
@@ -157,7 +159,7 @@ static int rdc321x_gpio_probe(struct platform_device *pdev)
        rdc321x_gpio_dev->chip.direction_input = rdc_gpio_direction_input;
        rdc321x_gpio_dev->chip.direction_output = rdc_gpio_config;
        rdc321x_gpio_dev->chip.get = rdc_gpio_get_value;
-       rdc321x_gpio_dev->chip.set = rdc_gpio_set_value;
+       rdc321x_gpio_dev->chip.set_rv = rdc_gpio_set_value;
        rdc321x_gpio_dev->chip.base = 0;
        rdc321x_gpio_dev->chip.ngpio = pdata->max_gpios;