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gpio: lpc18xx: 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/20250506-gpiochip-set-rv-gpio-part3-v1-3-0fbdea5a9667@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-05-06 11:01:46 +02:00
parent 978d23c1db
commit 4f71abfef9
1 changed files with 6 additions and 2 deletions
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8
drivers/gpio/gpio-lpc18xx.c
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@ -263,10 +263,14 @@ static int lpc18xx_gpio_pin_ic_probe(struct lpc18xx_gpio_chip *gc)
return ret;
}
static void lpc18xx_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int lpc18xx_gpio_set(struct gpio_chip *chip, unsigned int offset,
int value)
{
struct lpc18xx_gpio_chip *gc = gpiochip_get_data(chip);
writeb(value ? 1 : 0, gc->base + offset);
return 0;
}
static int lpc18xx_gpio_get(struct gpio_chip *chip, unsigned offset)
@ -316,7 +320,7 @@ static const struct gpio_chip lpc18xx_chip = {
.free = gpiochip_generic_free,
.direction_input = lpc18xx_gpio_direction_input,
.direction_output = lpc18xx_gpio_direction_output,
.set = lpc18xx_gpio_set,
.set_rv = lpc18xx_gpio_set,
.get = lpc18xx_gpio_get,
.ngpio = LPC18XX_MAX_PORTS * LPC18XX_PINS_PER_PORT,
.owner = THIS_MODULE,