linux-kernel - Re: AHCI should try to claim all AHCI controllers

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Message-ID: <Pine.LNX.4.64.0610312120200.25218@g5.osdl.org>
Date:	Tue, 31 Oct 2006 21:22:49 -0800 (PST)
From:	Linus Torvalds <torvalds@...l.org>
To:	Jeff Garzik <jgarzik@...ox.com>
cc:	Conke Hu <conke.hu@....com>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, Andrew Morton <akpm@...l.org>
Subject: Re: AHCI should try to claim all AHCI controllers

On Wed, 1 Nov 2006, Jeff Garzik wrote:
> 
> For the benefit of others, some background:  we should not be -removing- any
> PCI IDs due to this, because quite often the PCI class code will be RAID or
> something else, yet still be drive-able with this ahci driver.

Well, it might obviously be worthwhile removing the PCI ID's that actually 
do say that they are AHCI. Maybe that's not all of them, but I wouldn't be 
surprised if it's actually the majority of them..

(We had the same issue with "PCI IDE controller". Some PCI IDE controllers 
are clearly exactly that from a programming interface standpoint, but 
because they support RAID in hardware, they claim to be RAID controllers, 
since that is more "glamorous". Gaah ;^).

		Linus
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