From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [RFC][PATCH] ahci: Add support for Promise PDC42819
Date: Tue, 2 Sep 2008 12:53:10 +0100
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To: Jeff Garzik <jeff@garzik.org>
Cc: Mark Nelson <mdnelson8@gmail.com>, linux-ide@vger.kernel.org, Mikael Pettersson <mikpe@it.uu.se>, linux-scsi <linux-scsi@vger.kernel.org>

> > Apparently this chip also supports SAS disks, will these work with the
> > ahci driver (I've only tested with normal desktop SATA disks)?
> 
> ahci is definitely SATA-only, so I wonder how they modified AHCI to 
> support SAS transport...

Jeff while are on that subject a further reminder - AHCI is also breaking
Marvell PATA device support for this reason and we now have months of
regressions because of that.