Bamboo PCI interrupt issues

David Gibson dwg at au1.ibm.com
Tue Mar 4 13:15:03 EST 2008


On Tue, Mar 04, 2008 at 03:07:50AM +0100, Segher Boessenkool wrote:
> >>> Uh.. there's no binding written down, it's just encoded into uic.c.
> >>> But UIC doesn't use OpenPIC sensitivity encoding.  Like FSL's IPIC, 
> >>> it
> >>> uses Linux IRQ_TYPE values from include/linux/irq.h which makes 8
> >>> "level sensitive, active-low".
> >>
> >> On a related note: aren't we taking a risk here of seeing those values
> >> change in linux ?
> >
> > We've discussed this before.  If that happens, the binding must remain
> > on the old values.  It means the driver will then need a translation
> > which it doesn't now, but we can deal with it.
> 
> It also means it should be written down in the binding _already_.

Well, yes, there should be, but isn't, a written binding for this,
amongst many other things.

> Come on, how much work is that?

Greater than zero.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson



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