staging: mt7621-gpio: implement high level and low level irqs

This chip support high level and low level interrupts. Those
have to be implemented also to get a complete and clean driver.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2018-06-18 11:36:09 +02:00 • committed by Greg Kroah-Hartman
commit 368d97d69d