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SubjectRe: [PATCH RFC] x86: Add user configurable GPIO-lib support

* Michael Buesch <mb@bu3sch.de> wrote:

> > ... and thus perhaps your GPIO_USERSELECTION patch should move into
> > drivers/ and be generally accessible, not special to x86?
>
> Yes I'd really like to move it there, too. But currently that clashes
> with architectures like MIPS, some PPC flavours and probably others
> that implement their own GPIO API. We should have an
> ARCH_IMPLEMENT_GPIO or whatever, but currently we don't seem to have
> that.
>
> So well. If it's desired to put the user selection into drivers/gpio
> (which I'd really prefer), I can try to make a patch that adds
> ARCH_IMPLEMENT_GPIO to every arch that implements their own GPIO API
> and make GPIO_USERSELECTION depend on !ARCH_IMPLEMENT_GPIO.

or we could try it the other way around: stick
ARCH_ALLOWS_TRULY_GENERAL_PURPOSE_INPUT_OUTPUT (note: please use a
better name ;-) into x86, add the user text to drivers/ and let other
architectures enable it too?

That way your commits would still be pretty focused (you'd avoid having
to touch a lot of architectures) and it would still work all across the
spectrum.

hm?

Ingo


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