Revert "gpio: convince line to become input in irq helper"

This reverts commit 7e7c059cb50c7c72d5a393b2c34fc57de1b01b55.

I was wrong about trying to do this, as it breaks the
orthogonality between gpiochips and irqchips.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 0 insertions, 19 deletions

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5b0f4545f61b..2dff16915c11 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1510,25 +1510,6 @@ static int gpiochip_irq_reqres(struct irq_data *d)
         if (!try_module_get(chip->gpiodev->owner))
                 return -ENODEV;
 
-        /*
-         * If it is possible to switch this GPIO to an input
-         * this is a good time to do it.
-         */
-        if (chip->direction_input) {
-                struct gpio_desc *desc;
-                int ret;
-
-                desc = gpiochip_get_desc(chip, d->hwirq);
-                if (IS_ERR(desc))
-                        return PTR_ERR(desc);
-
-                ret = chip->direction_input(chip, d->hwirq);
-                if (ret)
-                        return ret;
-
-                clear_bit(FLAG_IS_OUT, &desc->flags);
-        }
-
         if (gpiochip_lock_as_irq(chip, d->hwirq)) {
                 chip_err(chip,
                         "unable to lock HW IRQ %lu for IRQ\n",