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

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Message-ID: <4733E5A6.30808@rtr.ca>
Date:	Thu, 08 Nov 2007 23:44:22 -0500
From:	Mark Lord <liml@....ca>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	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

Jeff Garzik wrote:
> On Thu, Nov 08, 2007 at 10:29:37PM -0500, Mark Lord wrote:
>> And I might even privately patch my own kernels to map the ACHI BAR
>> in the cases where the BIOS didn't...
> 
> The inability to do this in the general case is the main reason why
> AHCI was not unconditionally enabled, even in IDE mode, when it was
> originally added...  :/
..

Yeah, that one's always puzzled me.
It's just software,  so why don't we do it?  In the PCI layer, that is?
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