diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-04-24 10:35:32 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2025-04-29 10:34:45 +0200 |
| commit | b0dfc1bd6f97a130037fe59973202a7cf84280b0 (patch) | |
| tree | 022c059bd5baa49ab160d10d2c02cfd8eb0c61ff | |
| parent | 8e86af65f39df6a8f1c1f033b90a5f7d5457ee7a (diff) | |
pinctrl: at91: use new GPIO line value setter callbacks
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>
| -rw-r--r-- | drivers/pinctrl/pinctrl-at91.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 93ab277d9943..442dd8c80b65 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -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, |