pinctrl: spear: 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-v1-12-556b0a530cd4@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c
index a05570c7d833d9b8268989f2a6e54e1873d20de9..e8234d2156daa5ada8adff5848ee4cf136257c3f 100644 (file)
--- a/drivers/pinctrl/spear/pinctrl-plgpio.c
+++ b/drivers/pinctrl/spear/pinctrl-plgpio.c
@@ -181,24 +181,27 @@ static int plgpio_get_value(struct gpio_chip *chip, unsigned offset)
        return is_plgpio_set(plgpio->regmap, offset, plgpio->regs.rdata);
 }
 
-static void plgpio_set_value(struct gpio_chip *chip, unsigned offset, int value)
+static int plgpio_set_value(struct gpio_chip *chip, unsigned int offset,
+                           int value)
 {
        struct plgpio *plgpio = gpiochip_get_data(chip);
 
        if (offset >= chip->ngpio)
-               return;
+               return -EINVAL;
 
        /* get correct offset for "offset" pin */
        if (plgpio->p2o && (plgpio->p2o_regs & PTO_WDATA_REG)) {
                offset = plgpio->p2o(offset);
                if (offset == -1)
-                       return;
+                       return -EINVAL;
        }
 
        if (value)
                plgpio_reg_set(plgpio->regmap, offset, plgpio->regs.wdata);
        else
                plgpio_reg_reset(plgpio->regmap, offset, plgpio->regs.wdata);
+
+       return 0;
 }
 
 static int plgpio_request(struct gpio_chip *chip, unsigned offset)
@@ -579,7 +582,7 @@ static int plgpio_probe(struct platform_device *pdev)
        plgpio->chip.direction_input = plgpio_direction_input;
        plgpio->chip.direction_output = plgpio_direction_output;
        plgpio->chip.get = plgpio_get_value;
-       plgpio->chip.set = plgpio_set_value;
+       plgpio->chip.set_rv = plgpio_set_value;
        plgpio->chip.label = dev_name(&pdev->dev);
        plgpio->chip.parent = &pdev->dev;
        plgpio->chip.owner = THIS_MODULE;