Re: [PATCH V3 2/2] gpio: add STA2X11 GPIO block

[Mark Brown]

On Mon, May 14, 2012 at 11:51:11AM +0200, Alessandro Rubini wrote:
> Me:
> >> I'm not completely clear (yet) about how to get the right interrupt
> >> number in those other drivers, but I'm willing to remove the constraint
> >> as they are cleaned up and submitted.

> Mark Brown:
> > Use platform data for both this driver and the other drivers (or device
> > tree if you're doing that).  This will hard code the magic numbers in
> > the board files, not in the driver.

> Yes, but it's not that easy. If the gpio driver gets unpredictable
> interrupt numbers associated to the pins, the other drivers must
> recover those numbers in some way.  That's why I currently started
> from 384, like the prevoous gpio driver was doing: the platform data
> uses that knowledge in the drivers I'm still using internally (but are
> not submittable as-is, so I'm working on them).

If you use platform data why would you get unpredicatable numbers?

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