gpio: zynqmp-modepin: 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/20250709-gpiochip-set-rv-gpio-remaining-v1-18-b8950f69618d@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-zynqmp-modepin.c b/drivers/gpio/gpio-zynqmp-modepin.c
index 2f3c9ebfa78d1d6bc4624a614c316e4fbeae2aff..36a547d6fc5a5c100f81c72600e14d620a462cc5 100644 (file)
--- a/drivers/gpio/gpio-zynqmp-modepin.c
+++ b/drivers/gpio/gpio-zynqmp-modepin.c
@@ -57,8 +57,8 @@ static int modepin_gpio_get_value(struct gpio_chip *chip, unsigned int pin)
  *
  * Return:     None.
  */
-static void modepin_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
-                                  int state)
+static int modepin_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
+                                 int state)
 {
        u32 bootpin_val = 0;
        int ret;
@@ -77,6 +77,8 @@ static void modepin_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
        ret = zynqmp_pm_bootmode_write(bootpin_val);
        if (ret)
                pr_err("modepin: set value error %d for pin %d\n", ret, pin);
+
+       return ret;
 }
 
 /**
@@ -128,7 +130,7 @@ static int modepin_gpio_probe(struct platform_device *pdev)
        chip->owner = THIS_MODULE;
        chip->parent = &pdev->dev;
        chip->get = modepin_gpio_get_value;
-       chip->set = modepin_gpio_set_value;
+       chip->set_rv = modepin_gpio_set_value;
        chip->direction_input = modepin_gpio_dir_in;
        chip->direction_output = modepin_gpio_dir_out;
        chip->label = dev_name(&pdev->dev);