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gpio: kempld: use new 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: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250423-gpiochip-set-rv-gpio-part2-v1-7-b22245cde81a@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski
2025-04-23 09:15:09 +02:00
parent 3444049044
commit 0c5fa4ee5a
1 changed files with 5 additions and 2 deletions
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7
drivers/gpio/gpio-kempld.c
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@@ -63,7 +63,8 @@ static int kempld_gpio_get(struct gpio_chip *chip, unsigned offset)
return !!kempld_gpio_get_bit(pld, KEMPLD_GPIO_LVL_NUM(offset), offset);
}
static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int kempld_gpio_set(struct gpio_chip *chip, unsigned int offset,
int value)
{
struct kempld_gpio_data *gpio = gpiochip_get_data(chip);
struct kempld_device_data *pld = gpio->pld;
@@ -71,6 +72,8 @@ static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
kempld_get_mutex(pld);
kempld_gpio_bitop(pld, KEMPLD_GPIO_LVL_NUM(offset), offset, value);
kempld_release_mutex(pld);
return 0;
}
static int kempld_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
@@ -166,7 +169,7 @@ static int kempld_gpio_probe(struct platform_device *pdev)
chip->direction_output = kempld_gpio_direction_output;
chip->get_direction = kempld_gpio_get_direction;
chip->get = kempld_gpio_get;
chip->set = kempld_gpio_set;
chip->set_rv = kempld_gpio_set;
chip->ngpio = kempld_gpio_pincount(pld);
if (chip->ngpio == 0) {
dev_err(dev, "No GPIO pins detected\n");