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gpio: pl061: use new GPIO line value setter callbacks

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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>
This commit is contained in:
Bartosz Golaszewski 2025-06-19 10:33:17 +02:00
parent 74260fb09c
commit 201e0f24a5
1 changed files with 4 additions and 2 deletions
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6
drivers/gpio/gpio-pl061.c
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@ -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;