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gpio: mpfs: 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.

Link: https://lore.kernel.org/r/20250610-gpiochip-set-rv-gpio-v1-5-3a9a3c1472ff@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-06-10 14:33:15 +02:00
parent 80d42372d9
commit 3aa3628f81
1 changed files with 7 additions and 4 deletions
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11
drivers/gpio/gpio-mpfs.c
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@ -99,16 +99,19 @@ static int mpfs_gpio_get(struct gpio_chip *gc, unsigned int gpio_index)
return regmap_test_bits(mpfs_gpio->regs, mpfs_gpio->offsets->inp, BIT(gpio_index));
}
static void mpfs_gpio_set(struct gpio_chip *gc, unsigned int gpio_index, int value)
static int mpfs_gpio_set(struct gpio_chip *gc, unsigned int gpio_index, int value)
{
struct mpfs_gpio_chip *mpfs_gpio = gpiochip_get_data(gc);
int ret;
mpfs_gpio_get(gc, gpio_index);
regmap_update_bits(mpfs_gpio->regs, mpfs_gpio->offsets->outp, BIT(gpio_index),
value << gpio_index);
ret = regmap_update_bits(mpfs_gpio->regs, mpfs_gpio->offsets->outp,
BIT(gpio_index), value << gpio_index);
mpfs_gpio_get(gc, gpio_index);
return ret;
}
static int mpfs_gpio_probe(struct platform_device *pdev)
@ -147,7 +150,7 @@ static int mpfs_gpio_probe(struct platform_device *pdev)
mpfs_gpio->gc.direction_output = mpfs_gpio_direction_output;
mpfs_gpio->gc.get_direction = mpfs_gpio_get_direction;
mpfs_gpio->gc.get = mpfs_gpio_get;
mpfs_gpio->gc.set = mpfs_gpio_set;
mpfs_gpio->gc.set_rv = mpfs_gpio_set;
mpfs_gpio->gc.base = -1;
mpfs_gpio->gc.ngpio = ngpios;
mpfs_gpio->gc.label = dev_name(dev);