pinctrl: renesas: rzv2m: 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 <[email protected]>
Reviewed-by: Wolfram Sang <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Link: https://lore.kernel.org/20250611-gpiochip-set-rv-pinctrl-renesas-v1-4-ad169a794ef0@linaro.org
Signed-off-by: Geert Uytterhoeven <[email protected]>

Author: Bartosz Golaszewski

drivers/pinctrl/renesas/pinctrl-rzv2m.c

@@ -790,14 +790,16 @@ static int rzv2m_gpio_direction_input(struct gpio_chip *chip,
 	return 0;
 }
 
-static void rzv2m_gpio_set(struct gpio_chip *chip, unsigned int offset,
-			   int value)
+static int rzv2m_gpio_set(struct gpio_chip *chip, unsigned int offset,
+			  int value)
 {
 	struct rzv2m_pinctrl *pctrl = gpiochip_get_data(chip);
 	u32 port = RZV2M_PIN_ID_TO_PORT(offset);
 	u8 bit = RZV2M_PIN_ID_TO_PIN(offset);
 
 	rzv2m_writel_we(pctrl->base + DO(port), bit, !!value);
+
+	return 0;
 }
 
 static int rzv2m_gpio_direction_output(struct gpio_chip *chip,
@@ -955,7 +957,7 @@ static int rzv2m_gpio_register(struct rzv2m_pinctrl *pctrl)
 	chip->direction_input = rzv2m_gpio_direction_input;
 	chip->direction_output = rzv2m_gpio_direction_output;
 	chip->get = rzv2m_gpio_get;
-	chip->set = rzv2m_gpio_set;
+	chip->set_rv = rzv2m_gpio_set;
 	chip->label = name;
 	chip->parent = pctrl->dev;
 	chip->owner = THIS_MODULE;