diff options
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 19a665f8d455..5404cdcfed19 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2883,45 +2883,6 @@ void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) mutex_unlock(&gpio_lookup_lock); } -static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, - unsigned int idx, - enum gpio_lookup_flags *flags) -{ - char prop_name[32]; /* 32 is max size of property name */ - enum of_gpio_flags of_flags; - struct gpio_desc *desc; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(gpio_suffixes); i++) { - if (con_id) - snprintf(prop_name, sizeof(prop_name), "%s-%s", con_id, - gpio_suffixes[i]); - else - snprintf(prop_name, sizeof(prop_name), "%s", - gpio_suffixes[i]); - - desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx, - &of_flags); - if (!IS_ERR(desc) || (PTR_ERR(desc) != -ENOENT)) - break; - } - - if (IS_ERR(desc)) - return desc; - - if (of_flags & OF_GPIO_ACTIVE_LOW) - *flags |= GPIO_ACTIVE_LOW; - - if (of_flags & OF_GPIO_SINGLE_ENDED) { - if (of_flags & OF_GPIO_ACTIVE_LOW) - *flags |= GPIO_OPEN_DRAIN; - else - *flags |= GPIO_OPEN_SOURCE; - } - - return desc; -} - static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, unsigned int idx, |