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pinctrl: at91-pio4: 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>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://lore.kernel.org/20250408-gpiochip-set-rv-pinctrl-part1-v1-1-c9d521d7c8c7@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Bartosz Golaszewski
2025-04-08 09:17:38 +02:00
committed by Linus Walleij
parent b883eb49ec
commit d843a42635
1 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/pinctrl/pinctrl-at91-pio4.c
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@@ -390,7 +390,7 @@ static int atmel_gpio_direction_output(struct gpio_chip *chip,
return 0;
}
static void atmel_gpio_set(struct gpio_chip *chip, unsigned int offset, int val)
static int atmel_gpio_set(struct gpio_chip *chip, unsigned int offset, int val)
{
struct atmel_pioctrl *atmel_pioctrl = gpiochip_get_data(chip);
struct atmel_pin *pin = atmel_pioctrl->pins[offset];
@@ -398,10 +398,12 @@ static void atmel_gpio_set(struct gpio_chip *chip, unsigned int offset, int val)
atmel_gpio_write(atmel_pioctrl, pin->bank,
val ? ATMEL_PIO_SODR : ATMEL_PIO_CODR,
BIT(pin->line));
return 0;
}
static void atmel_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask,
unsigned long *bits)
static int atmel_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask,
unsigned long *bits)
{
struct atmel_pioctrl *atmel_pioctrl = gpiochip_get_data(chip);
unsigned int bank;
@@ -431,6 +433,8 @@ static void atmel_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask,
bits[word] >>= ATMEL_PIO_NPINS_PER_BANK;
#endif
}
return 0;
}
static struct gpio_chip atmel_gpio_chip = {
@@ -438,8 +442,8 @@ static struct gpio_chip atmel_gpio_chip = {
.get = atmel_gpio_get,
.get_multiple = atmel_gpio_get_multiple,
.direction_output = atmel_gpio_direction_output,
.set = atmel_gpio_set,
.set_multiple = atmel_gpio_set_multiple,
.set_rv = atmel_gpio_set,
.set_multiple_rv = atmel_gpio_set_multiple,
.to_irq = atmel_gpio_to_irq,
.base = 0,
};