linux-kernel - Re: [PATCH V3] VIA IRQ quirk behaviour change

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Date:	Sat, 09 Sep 2006 17:03:55 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Daniel Drake <dsd@...too.org>
Cc:	akpm@...l.org, torvalds@...l.org, sergio@...giomb.no-ip.org,
	jeff@...zik.org, greg@...ah.com, cw@...f.org, bjorn.helgaas@...com,
	linux-kernel@...r.kernel.org, harmon@....edu, len.brown@...el.com,
	vsu@...linux.ru, liste@...det.net
Subject: Re: [PATCH V3] VIA IRQ quirk behaviour change

Ar Sad, 2006-09-09 am 10:44 -0400, ysgrifennodd Daniel Drake:
> 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?

No.

If they are on the V-Bus then the IRQ number controls routing if they
are on the PCI bus the IRQ line controls routing as normal.


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