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

This reverts commit 7e7c059cb5.

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>
This commit is contained in:
Linus Walleij 2016-07-06 14:40:08 +02:00
parent da17f8a113
commit 78456d6ff8
1 changed files with 0 additions and 19 deletions
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19
drivers/gpio/gpiolib.c
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@ -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",