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gpio: zynq: 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.

Link: https://lore.kernel.org/r/20250709-gpiochip-set-rv-gpio-remaining-v1-17-b8950f69618d@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski
2025-07-09 08:41:54 +02:00
parent ee6e05eb5f
commit 815c9769ba
1 changed files with 5 additions and 3 deletions
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8
drivers/gpio/gpio-zynq.c
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@@ -265,8 +265,8 @@ static int zynq_gpio_get_value(struct gpio_chip *chip, unsigned int pin)
* upper 16 bits) based on the given pin number and sets the state of a
* gpio pin to the specified value. The state is either 0 or non-zero.
*/
static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
int state)
static int zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
int state)
{
unsigned int reg_offset, bank_num, bank_pin_num;
struct zynq_gpio *gpio = gpiochip_get_data(chip);
@@ -290,6 +290,8 @@ static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
((state << bank_pin_num) | ZYNQ_GPIO_UPPER_MASK);
writel_relaxed(state, gpio->base_addr + reg_offset);
return 0;
}
/**
@@ -930,7 +932,7 @@ static int zynq_gpio_probe(struct platform_device *pdev)
chip->owner = THIS_MODULE;
chip->parent = &pdev->dev;
chip->get = zynq_gpio_get_value;
chip->set = zynq_gpio_set_value;
chip->set_rv = zynq_gpio_set_value;
chip->request = zynq_gpio_request;
chip->free = zynq_gpio_free;
chip->direction_input = zynq_gpio_dir_in;