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SubjectRe: via irq quirk breakage
> Fix VIA quirks that were recently broken by Alan Cox in the upstream
> kernel (commit 1597cacbe39802d86656d1f2e6329895bd2ef531).
>
> My understanding is that pci_find_present() doesn't work yet at the
> time the quirks are run. So I used a two-step quirk as is done for
> some other quirks already. First we detect the VIA south bridges
> and set the right low and high device limits, then we are ready to
> actually run the quirks on the affected devices.

My PCI tree is somewhat different to the default one and I did test it
but possibly sucked in some dependancies on the cyrix and other early PCI
handling changes in my dev tree.

> Signed-off-by: Jean Delvare <jdelvare@suse.de>

Acked-by: Alan Cox <alan@redhat.com>

This is a lot neater than the original patch too. Only problem I see is
pci=reverse might need more care.

Alan
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