gpio: tangier: 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.

Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250625-gpiochip-set-rv-gpio-round2-v1-11-bc110a3b52ff@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-tangier.c b/drivers/gpio/gpio-tangier.c
index a415e6d361731e809d137a92b6c4658b447c26bd..ce17b98e0623ea6c0c2146430da38833dfd16cbe 100644 (file)
--- a/drivers/gpio/gpio-tangier.c
+++ b/drivers/gpio/gpio-tangier.c
@@ -90,7 +90,7 @@ static int tng_gpio_get(struct gpio_chip *chip, unsigned int offset)
        return !!(readl(gplr) & BIT(shift));
 }
 
-static void tng_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
+static int tng_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
        struct tng_gpio *priv = gpiochip_get_data(chip);
        void __iomem *reg;
@@ -101,6 +101,8 @@ static void tng_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
        guard(raw_spinlock_irqsave)(&priv->lock);
 
        writel(BIT(shift), reg);
+
+       return 0;
 }
 
 static int tng_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
@@ -428,7 +430,7 @@ int devm_tng_gpio_probe(struct device *dev, struct tng_gpio *gpio)
        gpio->chip.direction_input = tng_gpio_direction_input;
        gpio->chip.direction_output = tng_gpio_direction_output;
        gpio->chip.get = tng_gpio_get;
-       gpio->chip.set = tng_gpio_set;
+       gpio->chip.set_rv = tng_gpio_set;
        gpio->chip.get_direction = tng_gpio_get_direction;
        gpio->chip.set_config = tng_gpio_set_config;
        gpio->chip.base = info->base;