linux-kernel - Re: [PATCH 09/86] pata_atiixp: no need to program PIO timings for MWDMA

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Date:	Wed, 25 Nov 2009 17:25:58 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/86] pata_atiixp: no need to program PIO timings for
 MWDMA

On Wed, 25 Nov 2009 18:03:23 +0100
Bartlomiej Zolnierkiewicz <bzolnier@...il.com> wrote:

> From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> Subject: [PATCH] pata_atiixp: no need to program PIO timings for MWDMA
> 
> Moreover the code to do it was buggy and programmed PIO timings
> even if they were already set to a desired values.
> 
> There shouldn't be any problems with it as IDE atiixp host driver
> has been allowing separate PIO/MWDMA timings for last two years.

I need to take a look at the history of this - it got put there for a
reason I am sure. Whether a right one I don't know. Needs running past
AMD/ATI's maintainer anyway who should know.


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