Message-ID: <4502D35E.8020802@gentoo.org>
Date: Sat, 09 Sep 2006 10:44:46 -0400
From: Daniel Drake <dsd@gentoo.org>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: akpm@osdl.org, torvalds@osdl.org, sergio@sergiomb.no-ip.org,
       jeff@garzik.org, greg@kroah.com, cw@f00f.org, bjorn.helgaas@hp.com,
       linux-kernel@vger.kernel.org, harmon@ksu.edu, len.brown@intel.com,
       vsu@altlinux.ru, liste@jordet.net
Subject: Re: [PATCH V3] VIA IRQ quirk behaviour change
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Alan Cox wrote:
> Very large numbers of VIA mainboards ship with some of the VIA devices
> built in and some of them on the PCI bus. 

What's the difference between "built in" and "on the PCI bus"? Both 
types are physically a part of the mainboard, and need to be quirked, right?

The corner case I was referring to is where someone plugs an *external* 
VIA-based PCI card into a PCI slot on a VIA motherboard. In that case, 
the PCI card gets quirked too, when it didn't need to be, and this may 
or may not cause problems...

> You know from the northbridge which devices are internal and which are
> external.

I don't know much about PCI. How can I detect this?

Alternatively if you (or anyone else who knows PCI) wants to write a new 
patch or modify the existing one I would have no objections. I can also 
get a few people to test it.

Thanks.
Daniel
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