Re: [PATCH] RFT: pinctrl: sunxi: convert to GPIO irqchip helpers

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On Mon, May 12, 2014 at 11:29:11AM +0200, Linus Walleij wrote:
> On Sun, May 11, 2014 at 11:25 PM, Maxime Ripard
> <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> 
> > What I did so far is having a single domain, with the same handler
> > registered for all the interrupts, and the various interrupts from the
> > various banks just being at a different offsets in the domain.
> >
> > Basically, something like that:
> > http://code.bulix.org/ym3zuv-86191
> >
> > Do you know if it would be possible to use the generic gpiolib
> > behaviour in such a case?
> 
> Basically the helpers are for the simple case where every pin
> can fire an independent interrupt.
> 
> Since there is just one single irqdomain for the entire chip, the
> helpers require that all mappings go through the same domain.
> 
> If having several domains or other split-up results in more
> elegant code, then code another solution locally, because we
> just want to cover the generic cases, the special cases will still
> be special.
> 
> Unless you see some really elegant way forward of course...
> always choose the most elegand refactoring if you can.

Ok, I'll see what I can come up with then, and give your patch some
testing.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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