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Date: Wed, 3 Sep 2008 20:06:49 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Richard A Nelson <cowboy@cavein.org>
Cc: Jeff Garzik <jeff@garzik.org>, torvalds@osdl.org,
       linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ahci: Fix long standing Marvell regressions
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On Wed, 3 Sep 2008 11:54:36 -0700 (PDT)
Richard A Nelson <cowboy@cavein.org> wrote:

> On Wed, 3 Sep 2008, Alan Cox wrote:
> 
> > We can't automate that for the other devices as we don't actually know
> > how to check the PATA port on them.
> 
> I happen to have one of the others:
>  	Marvell Technology Group Ltd. 88SE6121 SATA II Controller (rev b1)
> 
> It is not in use, likely as a result of the issues at hand, I don't
> recall exactly what transpired at the time.
> 
> I have no specs, but would be happy to run any software diagnostics
> if they'd be of help

Load the pata_marvell driver and it dumps out BAR5: .... lists of values

Can you do that with a PATA device attached and with no PATA device
attached and see what changes.