Paul Cercueil 9a0f1341df pinctrl: ingenic: Add irq_{request,release}_resources callbacks
These are called when a GPIO is to be used as IRQ.

Without these custom callbacks, when an interrupt is requested directly
and not through gpiod_to_irq(), the request fails because the GPIO is
not necesarily in input mode. These callbacks simply enforce that the
requested GPIO is in input mode.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20200503164549.163884-1-paul@crapouillou.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-05-12 15:05:02 +02:00
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