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pinctrl: at91: 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.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/20250424-gpiochip-set-rv-pinctrl-part2-v1-9-504f91120b99@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-04-24 10:35:32 +02:00 committed by Linus Walleij
parent 8e86af65f3
commit b0dfc1bd6f
1 changed files with 9 additions and 6 deletions
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15
drivers/pinctrl/pinctrl-at91.c
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@ -1449,18 +1449,19 @@ static int at91_gpio_get(struct gpio_chip *chip, unsigned offset)
return (pdsr & mask) != 0;
}
static void at91_gpio_set(struct gpio_chip *chip, unsigned offset,
int val)
static int at91_gpio_set(struct gpio_chip *chip, unsigned int offset, int val)
{
struct at91_gpio_chip *at91_gpio = gpiochip_get_data(chip);
void __iomem *pio = at91_gpio->regbase;
unsigned mask = 1 << offset;
writel_relaxed(mask, pio + (val ? PIO_SODR : PIO_CODR));
return 0;
}
static void at91_gpio_set_multiple(struct gpio_chip *chip,
unsigned long *mask, unsigned long *bits)
static int at91_gpio_set_multiple(struct gpio_chip *chip,
unsigned long *mask, unsigned long *bits)
{
struct at91_gpio_chip *at91_gpio = gpiochip_get_data(chip);
void __iomem *pio = at91_gpio->regbase;
@ -1472,6 +1473,8 @@ static void at91_gpio_set_multiple(struct gpio_chip *chip,
writel_relaxed(set_mask, pio + PIO_SODR);
writel_relaxed(clear_mask, pio + PIO_CODR);
return 0;
}
static int at91_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
@ -1798,8 +1801,8 @@ static const struct gpio_chip at91_gpio_template = {
.direction_input = at91_gpio_direction_input,
.get = at91_gpio_get,
.direction_output = at91_gpio_direction_output,
.set = at91_gpio_set,
.set_multiple = at91_gpio_set_multiple,
.set_rv = at91_gpio_set,
.set_multiple_rv = at91_gpio_set_multiple,
.dbg_show = at91_gpio_dbg_show,
.can_sleep = false,
.ngpio = MAX_NB_GPIO_PER_BANK,