From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matthew Wilcox <willy@linux.intel.com>
Subject: Re: No NCQ support on X61s Ultrabay?  (Intel ICH8 SATA controller
	question)
Date: Thu, 30 Apr 2009 08:35:08 -0700
Message-ID: <20090430153508.GA10704@linux.intel.com>
References: <E1LzLgA-0004j6-9W@closure.thunk.org> <49F90CA2.4080602@garzik.org> <20090430083309.437f9248@lithium.local.net> <49F95719.10701@kernel.org> <20090430144702.46415b90@lxorguk.ukuu.org.uk>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Tejun Heo <tj@kernel.org>, Alex Buell <alex.buell@munted.org.uk>, Jeff Garzik <jeff@garzik.org>, Theodore Ts'o <tytso@mit.edu>, linux-kernel@vger.kernel.org, Linux IDE mailing list <linux-ide@vger.kernel.org>, Matthew Garrett <mjg@redhat.com>

On Thu, Apr 30, 2009 at 02:47:02PM +0100, Alan Cox wrote:
> > So, at the point of driver load, there just isn't much we can do about
> > the missing ABAR.  It's sad.  Dunno why some laptop manufacturers
> > still program the thing into piix mode.  :-(
> 
> Forcing out of PIIX mode would need to go into the PCI quirks and be a
> boot option not a module one - at that point its doable as a header quirk.

I think Matthew Garrett already has code to do this.