pinctrl: amdisp: 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-v1-16-556b0a530cd4@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-amdisp.c b/drivers/pinctrl/pinctrl-amdisp.c
index 9256ed67bb20e9eefef6c6574f1b60d71814cdc0..2e706bf8bcde0536b9e09614665d46130e12c406 100644 (file)
--- a/drivers/pinctrl/pinctrl-amdisp.c
+++ b/drivers/pinctrl/pinctrl-amdisp.c
@@ -117,7 +117,7 @@ static int amdisp_gpio_get(struct gpio_chip *gc, unsigned int gpio)
        return !!(pin_reg & BIT(GPIO_CONTROL_PIN));
 }
 
-static void amdisp_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+static int amdisp_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
 {
        unsigned long flags;
        u32 pin_reg;
@@ -131,6 +131,8 @@ static void amdisp_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
                pin_reg &= ~BIT(GPIO_CONTROL_PIN);
        writel(pin_reg, pctrl->gpiobase + gpio_offset[gpio]);
        raw_spin_unlock_irqrestore(&pctrl->lock, flags);
+
+       return 0;
 }
 
 static int amdisp_gpiochip_add(struct platform_device *pdev,
@@ -149,7 +151,7 @@ static int amdisp_gpiochip_add(struct platform_device *pdev,
        gc->direction_input     = amdisp_gpio_direction_input;
        gc->direction_output    = amdisp_gpio_direction_output;
        gc->get                 = amdisp_gpio_get;
-       gc->set                 = amdisp_gpio_set;
+       gc->set_rv              = amdisp_gpio_set;
        gc->base                = -1;
        gc->ngpio               = ARRAY_SIZE(amdisp_range_pins);