From: Bartosz Golaszewski Date: Thu, 24 Apr 2025 08:35:32 +0000 (+0200) Subject: pinctrl: at91: use new GPIO line value setter callbacks X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b0dfc1bd6f97a130037fe59973202a7cf84280b0;p=users%2Fdwmw2%2Flinux.git 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 Link: https://lore.kernel.org/20250424-gpiochip-set-rv-pinctrl-part2-v1-9-504f91120b99@linaro.org Signed-off-by: Linus Walleij --- diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 93ab277d9943c..442dd8c80b650 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,