linux-kernel - Re: [PATCH] Add Marvell 6141 PATA support to AHCI driver

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Message-ID: <20070527131807.46b81b8d@the-village.bc.nu>
Date:	Sun, 27 May 2007 13:18:07 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Add Marvell 6141 PATA support to AHCI driver

> Engineering questions I need to bounce back to Marvell:
> * do I need to worry about PIO/UDMA timing?  I don't see any registers
>   or other knobs dealing with timing.  Maybe the controller snoops?

In non-AHCI mode it certainly seems to do the snooping for you

Acked-by: Alan Cox <alan@...hat.com>

Alan

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