Re: [PATCH] gpio: Add device driver for GRGPIO cores

From: Anton Vorontsov
Date: Sat Feb 09 2013 - 17:40:52 EST

On Mon, Feb 04, 2013 at 11:27:33AM +0100, Andreas Larsson wrote:
> >>2) The grgpio_to_irq function is very hardware specific, and there is of
> >>course no gpio_to_irq support in gpio-generic.
> >
> >Well, the idea about gpio-generic is to use the pieces you need
> >IIRC. You may override.
> Ah, I see, bgpio_init is exported, so I might be able use that from
> my driver to get rid of some functions. There is support for BE I
> saw now. It seems broken to me (flips bits, not bytes), but that can
> be fixed.

No, it is not broken. :-) There is a BE-notation of GPIO numbering. BE/LE
issue is also valid for bits. Please don't "fix" this. :)

If you need to introduce byte endianness support in addition, that's fine.


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