gpio: pl061: 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: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250619-gpiochip-set-rv-gpio-v2-4-74abf689fbd8@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 1c273727ffa3ac54d0f1e66bd6efb784d2a8604e..98cfac4eac85295915b801a62d62c8d78f6cbc4a 100644 (file)
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -115,11 +115,13 @@ static int pl061_get_value(struct gpio_chip *gc, unsigned offset)
        return !!readb(pl061->base + (BIT(offset + 2)));
 }
 
-static void pl061_set_value(struct gpio_chip *gc, unsigned offset, int value)
+static int pl061_set_value(struct gpio_chip *gc, unsigned int offset, int value)
 {
        struct pl061 *pl061 = gpiochip_get_data(gc);
 
        writeb(!!value << offset, pl061->base + (BIT(offset + 2)));
+
+       return 0;
 }
 
 static int pl061_irq_type(struct irq_data *d, unsigned trigger)
@@ -328,7 +330,7 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
        pl061->gc.direction_input = pl061_direction_input;
        pl061->gc.direction_output = pl061_direction_output;
        pl061->gc.get = pl061_get_value;
-       pl061->gc.set = pl061_set_value;
+       pl061->gc.set_rv = pl061_set_value;
        pl061->gc.ngpio = PL061_GPIO_NR;
        pl061->gc.label = dev_name(dev);
        pl061->gc.parent = dev;