gpio: rockchip: 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.

Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250619-gpiochip-set-rv-gpio-v2-10-74abf689fbd8@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
index 64700a003f9a17947dd38baea23a066e8c057caf..ecd60ff9e1dd1a090bfad204c8b86c4d7fb68ce7 100644 (file)
--- a/drivers/gpio/gpio-rockchip.c
+++ b/drivers/gpio/gpio-rockchip.c
@@ -177,8 +177,8 @@ static int rockchip_gpio_set_direction(struct gpio_chip *chip,
        return 0;
 }
 
-static void rockchip_gpio_set(struct gpio_chip *gc, unsigned int offset,
-                             int value)
+static int rockchip_gpio_set(struct gpio_chip *gc, unsigned int offset,
+                            int value)
 {
        struct rockchip_pin_bank *bank = gpiochip_get_data(gc);
        unsigned long flags;
@@ -186,6 +186,8 @@ static void rockchip_gpio_set(struct gpio_chip *gc, unsigned int offset,
        raw_spin_lock_irqsave(&bank->slock, flags);
        rockchip_gpio_writel_bit(bank, offset, value, bank->gpio_regs->port_dr);
        raw_spin_unlock_irqrestore(&bank->slock, flags);
+
+       return 0;
 }
 
 static int rockchip_gpio_get(struct gpio_chip *gc, unsigned int offset)
@@ -325,7 +327,7 @@ static int rockchip_gpio_to_irq(struct gpio_chip *gc, unsigned int offset)
 static const struct gpio_chip rockchip_gpiolib_chip = {
        .request = gpiochip_generic_request,
        .free = gpiochip_generic_free,
-       .set = rockchip_gpio_set,
+       .set_rv = rockchip_gpio_set,
        .get = rockchip_gpio_get,
        .get_direction  = rockchip_gpio_get_direction,
        .direction_input = rockchip_gpio_direction_input,