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gpio: loongson-64bit: 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-v1-10-b22245cde81a@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-04-23 09:15:12 +02:00
parent ba2ce44332
commit 145c4d7052
1 changed files with 4 additions and 2 deletions
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6
drivers/gpio/gpio-loongson-64bit.c
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@ -105,7 +105,7 @@ static int loongson_gpio_get_direction(struct gpio_chip *chip, unsigned int pin)
return GPIO_LINE_DIRECTION_OUT;
}
static void loongson_gpio_set(struct gpio_chip *chip, unsigned int pin, int value)
static int loongson_gpio_set(struct gpio_chip *chip, unsigned int pin, int value)
{
unsigned long flags;
struct loongson_gpio_chip *lgpio = to_loongson_gpio_chip(chip);
@ -113,6 +113,8 @@ static void loongson_gpio_set(struct gpio_chip *chip, unsigned int pin, int valu
spin_lock_irqsave(&lgpio->lock, flags);
loongson_commit_level(lgpio, pin, value);
spin_unlock_irqrestore(&lgpio->lock, flags);
return 0;
}
static int loongson_gpio_to_irq(struct gpio_chip *chip, unsigned int offset)
@ -155,7 +157,7 @@ static int loongson_gpio_init(struct device *dev, struct loongson_gpio_chip *lgp
lgpio->chip.get = loongson_gpio_get;
lgpio->chip.get_direction = loongson_gpio_get_direction;
lgpio->chip.direction_output = loongson_gpio_direction_output;
lgpio->chip.set = loongson_gpio_set;
lgpio->chip.set_rv = loongson_gpio_set;
lgpio->chip.parent = dev;
spin_lock_init(&lgpio->lock);
}