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gpio: loongson: use new 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.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250423-gpiochip-set-rv-gpio-part2-v1-11-b22245cde81a@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-04-23 09:15:13 +02:00
parent 145c4d7052
commit 7d34d9fbab
1 changed files with 5 additions and 3 deletions
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8
drivers/gpio/gpio-loongson.c
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@ -48,8 +48,8 @@ static int loongson_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
return !!(val & BIT(gpio + LOONGSON_GPIO_IN_OFFSET));
}
static void loongson_gpio_set_value(struct gpio_chip *chip,
unsigned gpio, int value)
static int loongson_gpio_set_value(struct gpio_chip *chip, unsigned int gpio,
int value)
{
u32 val;
@ -61,6 +61,8 @@ static void loongson_gpio_set_value(struct gpio_chip *chip,
val &= ~BIT(gpio);
LOONGSON_GPIODATA = val;
spin_unlock(&gpio_lock);
return 0;
}
static int loongson_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
@ -104,7 +106,7 @@ static int loongson_gpio_probe(struct platform_device *pdev)
gc->base = 0;
gc->ngpio = LOONGSON_N_GPIO;
gc->get = loongson_gpio_get_value;
gc->set = loongson_gpio_set_value;
gc->set_rv = loongson_gpio_set_value;
gc->direction_input = loongson_gpio_direction_input;
gc->direction_output = loongson_gpio_direction_output;