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gpio: bcm-kona: 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.

Link: https://lore.kernel.org/r/20250310-gpiochip-set-conversion-v1-2-03798bb833eb@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-03-10 13:40:16 +01:00
parent cd7d117a29
commit d5cc72803b
1 changed files with 6 additions and 3 deletions
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9
drivers/gpio/gpio-bcm-kona.c
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@ -149,7 +149,8 @@ static int bcm_kona_gpio_get_dir(struct gpio_chip *chip, unsigned gpio)
return val ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT;
}
static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
static int bcm_kona_gpio_set(struct gpio_chip *chip, unsigned int gpio,
int value)
{
struct bcm_kona_gpio *kona_gpio;
void __iomem *reg_base;
@ -164,13 +165,15 @@ static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
/* this function only applies to output pin */
if (bcm_kona_gpio_get_dir(chip, gpio) == GPIO_LINE_DIRECTION_IN)
return;
return 0;
reg_offset = value ? GPIO_OUT_SET(bank_id) : GPIO_OUT_CLEAR(bank_id);
val = readl(reg_base + reg_offset);
val |= BIT(bit);
writel(val, reg_base + reg_offset);
return 0;
}
static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio)
@ -336,7 +339,7 @@ static const struct gpio_chip template_chip = {
.direction_input = bcm_kona_gpio_direction_input,
.get = bcm_kona_gpio_get,
.direction_output = bcm_kona_gpio_direction_output,
.set = bcm_kona_gpio_set,
.set_rv = bcm_kona_gpio_set,
.set_config = bcm_kona_gpio_set_config,
.to_irq = bcm_kona_gpio_to_irq,
.base = 0,