Re: [PATCH v3] gpio: interrupt consistency check for OF GPIO IRQs

Linus Walleij
2013-09-03T12:35:39Z

On Fri, Aug 30, 2013 at 9:53 PM, Stephen Warren <swarren@wwwdotorg.org> wrote:

> I still haven't seen an answer to why we really care about this; how
> many times has code actually allocated the same GPIO/IRQ when it
> shouldn't, in a way that it wasn't detectable by some other mechanism,
> i.e. the feature just not working? Why are we even trying to solve this
> issue? I'm not totally convinced it even makes sense to try and solve it.

We care about this because a number of OMAP boards are not
working properly when booted from device tree, and they have a hard
time figuring out a solution to the problem. Last try exploded. Now
they are looking to create a patch that will fix the actual problem.

Yours,
Linus Walleij