Re: via irq quirk breakage

[Jeff Garzik]

Alan wrote:
> > You have an old VT82C686 south bridge, which was tagged as "special" by
> > Alan. For this chip, Alan's code only allows devices 00:00.x to be quirked.
> > As my code was merely a reimplementation of Alan's idea, it does the same.
> > Your USB controllers are at 00:07.x, so I'm not surprised they weren't
> > quirked.
> >
> > Alan, why were dev_lo and dev_hi both set to 0 for the VT82C868 in your
> > implementation? Is it a typo, or...?
>
> According to the documentation the VT82C686 has the following devices on
> the internal bus: bus 0 dev ? fn 0-6.  dev ? being the device of the
> bridge itself. Re-reading the docs unlike the other the PCI idents aren't
> fixed so my assumption of dev 0 is actually unsafe. I can't see anything
> in the doc which guarantees 7 either.


BTW, older VIA docs are publicly archived at 
http://gkernel.sourceforge.net/specs/via/

	Jeff



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