19 Sep
2016
19 Sep
'16
10:54 a.m.
On Mon, Sep 19, 2016 at 12:31:04PM +0200, Arnd Bergmann wrote:
My guess is that this is indeed the correct fix, but I don't understand at all what the function does, and Marcin Niestroj said the same thing, he just copied the code from a driver that is always built-in.
Yes, most of the code is copied from regmap-irq. Setting the parent is needed for edge triggered interrupts that don't latch state when disabled but isn't needed in the general case.