linux-kernel - Re: [PATCH] Add quirk to set AHCI mode on ICH boards

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Message-ID: <20071110035424.GB28975@thunk.org>
Date:	Fri, 9 Nov 2007 22:54:24 -0500
From:	Theodore Tso <tytso@....edu>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, Mark Lord <liml@....ca>,
	Riki Oktarianto <rkoktarianto@...il.com>,
	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>,
	linux-ide@...r.kernel.org
Subject: Re: [PATCH] Add quirk to set AHCI mode on ICH boards

On Fri, Nov 09, 2007 at 10:05:05PM -0500, Jeff Garzik wrote:
> By forcing AHCI, your PATA devices will be inaccessible, in a common 
> configuration.  It also means shuffling users from one driver to another, 
> which induces breakage.
>
> I was speaking wishfully.  Real life intrudes, alas.

Not even as boot-time option?  I'm curious whether it might allow me
to use AHCI mode on a T60p laptop; right now I can't because in AHCI
mode the Ultrabay hard drive device becomes invisible to Linux
(although not to Windows, interestingly).  I'm currently travelling
and I don't carry the T60 around anymore, so I can't do the experiment
right this moment, but given that this would allow the T60 to take
advantage of ALPM if this works, it would be awfully tempting....

   	   	       	  	- Ted
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