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Date:	Sun, 05 Nov 2006 15:08:45 +0000
From:	Alan Cox <>
Cc:, Luugi Marsan <>,
Subject: Re: [PATCH 1/2] Add Legacy IDE mode support for SB600 SATA

Ar Sul, 2006-11-05 am 21:38 +0800, ysgrifennodd Conke Hu:
>   Consider that the behavior itself of using the new motherboard, SB600,
> means a lot of change, so even if the user still use IDE driver, he also
> a need verification process.

It depends on the person but yes I had considered that.

> > This is not neccessarily misguided. They may want to do this.
>   But the SB600 SATA controller is really an AHCI controller. And that
> will lose high performance (and cannot use NCQ).

Maybe they want stability and certainty first.

>   OK, I am rewriting the patch based on the following considerations:
>   1. move these code to ahci driver, and add new code to PATA driver.
>   2. add new options to kernel configuration, and users can choose IDE
> driver or AHCI driver to support SB600 SATA when it is in IDE mode.

That seems fine to me. I would have thought putting the code you have
into the quirks.c file as you proposed was the better way to do this,
but with the addition of the 

#if defined (CONFIG_ATA_AHCI) || defined(CONFIG_ATA_AHCI_MODULE)


around it, was sufficient ?

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