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gpio: winbond: 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/20250709-gpiochip-set-rv-gpio-remaining-v1-5-b8950f69618d@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski
2025-07-09 08:41:42 +02:00
parent 637c3054e9
commit dd94adf7da
1 changed files with 10 additions and 6 deletions
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16
drivers/gpio/gpio-winbond.c
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@@ -458,17 +458,19 @@ static int winbond_gpio_direction_out(struct gpio_chip *gc,
return 0;
}
static void winbond_gpio_set(struct gpio_chip *gc, unsigned int offset,
int val)
static int winbond_gpio_set(struct gpio_chip *gc, unsigned int offset,
int val)
{
unsigned long *base = gpiochip_get_data(gc);
const struct winbond_gpio_info *info;
int ret;
if (!winbond_gpio_get_info(&offset, &info))
return;
return -EACCES;
if (winbond_sio_enter(*base) != 0)
return;
ret = winbond_sio_enter(*base);
if (ret)
return ret;
winbond_sio_select_logical(*base, info->dev);
@@ -481,6 +483,8 @@ static void winbond_gpio_set(struct gpio_chip *gc, unsigned int offset,
winbond_sio_reg_bclear(*base, info->datareg, offset);
winbond_sio_leave(*base);
return 0;
}
static struct gpio_chip winbond_gpio_chip = {
@@ -490,7 +494,7 @@ static struct gpio_chip winbond_gpio_chip = {
.can_sleep = true,
.get = winbond_gpio_get,
.direction_input = winbond_gpio_direction_in,
.set = winbond_gpio_set,
.set_rv = winbond_gpio_set,
.direction_output = winbond_gpio_direction_out,
};