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gpio: pch: 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.

Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250619-gpiochip-set-rv-gpio-v2-3-74abf689fbd8@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski
2025-06-19 10:33:16 +02:00
parent 4027438be8
commit 74260fb09c
1 changed files with 4 additions and 2 deletions
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drivers/gpio/gpio-pch.c
+4 -2
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@@ -99,7 +99,7 @@ struct pch_gpio {
spinlock_t spinlock;
};
static void pch_gpio_set(struct gpio_chip *gpio, unsigned int nr, int val)
static int pch_gpio_set(struct gpio_chip *gpio, unsigned int nr, int val)
{
u32 reg_val;
struct pch_gpio *chip = gpiochip_get_data(gpio);
@@ -114,6 +114,8 @@ static void pch_gpio_set(struct gpio_chip *gpio, unsigned int nr, int val)
iowrite32(reg_val, &chip->reg->po);
spin_unlock_irqrestore(&chip->spinlock, flags);
return 0;
}
static int pch_gpio_get(struct gpio_chip *gpio, unsigned int nr)
@@ -217,7 +219,7 @@ static void pch_gpio_setup(struct pch_gpio *chip)
gpio->direction_input = pch_gpio_direction_input;
gpio->get = pch_gpio_get;
gpio->direction_output = pch_gpio_direction_output;
gpio->set = pch_gpio_set;
gpio->set_rv = pch_gpio_set;
gpio->base = -1;
gpio->ngpio = gpio_pins[chip->ioh];
gpio->can_sleep = false;