gpio: adnp: 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/20250306-gpiochip-set-conversion-v2-2-a76e72e21425@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c
index b911d60bf49b8b56e64618118f7ba6d1c8d681f8..dc2b941c37265baa829040e3a81eb8e8428f8adc 100644 (file)
--- a/drivers/gpio/gpio-adnp.c
+++ b/drivers/gpio/gpio-adnp.c
@@ -80,7 +80,7 @@ static int adnp_gpio_get(struct gpio_chip *chip, unsigned offset)
        return (value & BIT(pos)) ? 1 : 0;
 }
 
-static void __adnp_gpio_set(struct adnp *adnp, unsigned offset, int value)
+static int __adnp_gpio_set(struct adnp *adnp, unsigned int offset, int value)
 {
        unsigned int reg = offset >> adnp->reg_shift;
        unsigned int pos = offset & 7;
@@ -89,23 +89,23 @@ static void __adnp_gpio_set(struct adnp *adnp, unsigned offset, int value)
 
        err = adnp_read(adnp, GPIO_PLR(adnp) + reg, &val);
        if (err < 0)
-               return;
+               return err;
 
        if (value)
                val |= BIT(pos);
        else
                val &= ~BIT(pos);
 
-       adnp_write(adnp, GPIO_PLR(adnp) + reg, val);
+       return adnp_write(adnp, GPIO_PLR(adnp) + reg, val);
 }
 
-static void adnp_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int adnp_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
        struct adnp *adnp = gpiochip_get_data(chip);
 
        guard(mutex)(&adnp->i2c_lock);
 
-       __adnp_gpio_set(adnp, offset, value);
+       return __adnp_gpio_set(adnp, offset, value);
 }
 
 static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
@@ -430,7 +430,7 @@ static int adnp_gpio_setup(struct adnp *adnp, unsigned int num_gpios,
        chip->direction_input = adnp_gpio_direction_input;
        chip->direction_output = adnp_gpio_direction_output;
        chip->get = adnp_gpio_get;
-       chip->set = adnp_gpio_set;
+       chip->set_rv = adnp_gpio_set;
        chip->can_sleep = true;
 
        if (IS_ENABLED(CONFIG_DEBUG_FS))