pinctrl: digicolor: 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.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/20250612-gpiochip-set-rv-pinctrl-remaining-v1-9-556b0a530cd4@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-digicolor.c b/drivers/pinctrl/pinctrl-digicolor.c
index a0423172bdd6d8600fcb56a542ef498e14308968..1676cb3cc4c98755d287d3d87ba682ffc61192a1 100644 (file)
--- a/drivers/pinctrl/pinctrl-digicolor.c
+++ b/drivers/pinctrl/pinctrl-digicolor.c
@@ -182,7 +182,7 @@ static int dc_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
        return 0;
 }
 
-static void dc_gpio_set(struct gpio_chip *chip, unsigned gpio, int value);
+static int dc_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value);
 
 static int dc_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
                                    int value)
@@ -216,7 +216,7 @@ static int dc_gpio_get(struct gpio_chip *chip, unsigned gpio)
        return !!(input & BIT(bit_off));
 }
 
-static void dc_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
+static int dc_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
 {
        struct dc_pinmap *pmap = gpiochip_get_data(chip);
        int reg_off = GP_OUTPUT0(gpio/PINS_PER_COLLECTION);
@@ -232,6 +232,8 @@ static void dc_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
                output &= ~BIT(bit_off);
        writeb_relaxed(output, pmap->regs + reg_off);
        spin_unlock_irqrestore(&pmap->lock, flags);
+
+       return 0;
 }
 
 static int dc_gpiochip_add(struct dc_pinmap *pmap)
@@ -246,7 +248,7 @@ static int dc_gpiochip_add(struct dc_pinmap *pmap)
        chip->direction_input   = dc_gpio_direction_input;
        chip->direction_output  = dc_gpio_direction_output;
        chip->get               = dc_gpio_get;
-       chip->set               = dc_gpio_set;
+       chip->set_rv            = dc_gpio_set;
        chip->base              = -1;
        chip->ngpio             = PINS_COUNT;