linux-kernel - Re: [PATCH] Add IDE mode support for SB600 SATA

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Message-Id: <1164269159.31358.769.camel@laptopd505.fenrus.org>
Date:	Thu, 23 Nov 2006 09:05:59 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Conke Hu <conke.hu@....com>
Cc:	linux-kernel@...r.kernel.org, alan@...rguk.ukuu.org.uk,
	Andrew Morton <akpm@...l.org>, Jeff Garzik <jeff@...zik.org>
Subject: Re: [PATCH] Add IDE mode support for SB600 SATA

On Thu, 2006-11-23 at 12:20 +0800, Conke Hu wrote:
> ATI SB600 SATA controller supports 4 modes: Legacy IDE, Native IDE, AHCI and RAID. Legacy/Native IDE mode is designed for compatibility with some old OS without AHCI driver but looses SATAII/AHCI features such as NCQ. This patch will make SB600 SATA run in AHCI mode even if it was set as IDE mode by system BIOS.


is this really the right thing? You're overriding a user chosen
configuration here.... while that might be justifiable.. it's probably a
good idea to at least provide a safety-valve for this one. The user
might have made that selection very deliberately.

-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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