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.
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