diff options
Diffstat (limited to 'drivers/gpio/gpio-lp3943.c')
| -rw-r--r-- | drivers/gpio/gpio-lp3943.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/drivers/gpio/gpio-lp3943.c b/drivers/gpio/gpio-lp3943.c index 6dc6725..fdec94b 100644 --- a/drivers/gpio/gpio-lp3943.c +++ b/drivers/gpio/gpio-lp3943.c @@ -45,26 +45,6 @@ struct lp3943_gpio { u16 input_mask; /* 1 = GPIO is input direction, 0 = output */ }; -static int lp3943_gpio_request(struct gpio_chip *chip, unsigned offset) -{ - struct lp3943_gpio *lp3943_gpio = gpiochip_get_data(chip); - struct lp3943 *lp3943 = lp3943_gpio->lp3943; - - /* Return an error if the pin is already assigned */ - if (test_and_set_bit(offset, &lp3943->pin_used)) - return -EBUSY; - - return 0; -} - -static void lp3943_gpio_free(struct gpio_chip *chip, unsigned offset) -{ - struct lp3943_gpio *lp3943_gpio = gpiochip_get_data(chip); - struct lp3943 *lp3943 = lp3943_gpio->lp3943; - - clear_bit(offset, &lp3943->pin_used); -} - static int lp3943_gpio_set_mode(struct lp3943_gpio *lp3943_gpio, u8 offset, u8 val) { @@ -177,8 +157,6 @@ static int lp3943_gpio_direction_output(struct gpio_chip *chip, unsigned offset, static const struct gpio_chip lp3943_gpio_chip = { .label = "lp3943", .owner = THIS_MODULE, - .request = lp3943_gpio_request, - .free = lp3943_gpio_free, .direction_input = lp3943_gpio_direction_input, .get = lp3943_gpio_get, .direction_output = lp3943_gpio_direction_output, |
