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 23:18:32 +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>

>> Situation before ahci mod:
> 
> 	Users with PATA may use pata_marvell.
> 	Users wanting SATA screwed.

WRONG as I've said repeatedly. pata_marvell handles the SATA ports too as
legacy

> Just switch the order of 'ahci' and 'pata_marvell' in 
> /etc/modprobe.conf, then use Fedora's tools regenerate the initrd.

> See?  It's not rocket science, and the current configuration can be 
> easily made to work for Fedora users.

Well they don't seem to be able to work it out, and your basic premise is
incorrect anyway. Both ports work with pata_marvell.