diff options
Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 000020eb78d8..4be3c21aa718 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -112,24 +112,6 @@ static struct gpio_desc *of_xlate_and_get_gpiod_flags(struct gpio_chip *chip, return gpiochip_get_desc(chip, ret); } -/** - * of_gpio_need_valid_mask() - figure out if the OF GPIO driver needs - * to set the .valid_mask - * @gc: the target gpio_chip - * - * Return: true if the valid mask needs to be set - */ -bool of_gpio_need_valid_mask(const struct gpio_chip *gc) -{ - int size; - const struct device_node *np = gc->of_node; - - size = of_property_count_u32_elems(np, "gpio-reserved-ranges"); - if (size > 0 && size % 2 == 0) - return true; - return false; -} - /* * Overrides stated polarity of a gpio line and warns when there is a * discrepancy. @@ -989,28 +971,6 @@ void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc) } EXPORT_SYMBOL_GPL(of_mm_gpiochip_remove); -static void of_gpiochip_init_valid_mask(struct gpio_chip *chip) -{ - int len, i; - u32 start, count; - struct device_node *np = chip->of_node; - - len = of_property_count_u32_elems(np, "gpio-reserved-ranges"); - if (len < 0 || len % 2 != 0) - return; - - for (i = 0; i < len; i += 2) { - of_property_read_u32_index(np, "gpio-reserved-ranges", - i, &start); - of_property_read_u32_index(np, "gpio-reserved-ranges", - i + 1, &count); - if (start >= chip->ngpio || start + count > chip->ngpio) - continue; - - bitmap_clear(chip->valid_mask, start, count); - } -}; - #ifdef CONFIG_PINCTRL static int of_gpiochip_add_pin_range(struct gpio_chip *chip) { @@ -1119,8 +1079,6 @@ int of_gpiochip_add(struct gpio_chip *chip) if (chip->of_gpio_n_cells > MAX_PHANDLE_ARGS) return -EINVAL; - of_gpiochip_init_valid_mask(chip); - ret = of_gpiochip_add_pin_range(chip); if (ret) return ret; |