Revert "pinctrl: lantiq: Implement gpio_chip.to_irq"

This reverts commit 3e640743fee6e6a82ead1f163737755b2a965712.

This commit needs to go into the pinctrl tree to avoid
clashes.

diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
index ebd867f50700bf78585104f0be2dd2953a1aa8c6..af69af869f5bcff8044b41ca699289e8ddb37060 100644 (file)
--- a/drivers/pinctrl/pinctrl-xway.c
+++ b/drivers/pinctrl/pinctrl-xway.c
@@ -682,22 +682,6 @@ static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val)
        return 0;
 }
 
-/*
- * gpiolib gpiod_to_irq callback function.
- * Returns the mapped IRQ (external interrupt) number for a given GPIO pin.
- */
-static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
-{
-       struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
-       int i;
-
-       for (i = 0; i < info->num_exin; i++)
-               if (info->exin[i] == offset)
-                       return ltq_eiu_get_irq(i);
-
-       return -1;
-}
-
 static struct gpio_chip xway_chip = {
        .label = "gpio-xway",
        .direction_input = xway_gpio_dir_in,
@@ -706,7 +690,6 @@ static struct gpio_chip xway_chip = {
        .set = xway_gpio_set,
        .request = gpiochip_generic_request,
        .free = gpiochip_generic_free,
-       .to_irq = xway_gpio_to_irq,
        .base = -1,
 };