linux-kernel - Re: [PATCH 04/64] pata_amd: remove bogus code from timing

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Date:	Mon, 18 Jan 2010 17:50:37 +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 04/64] pata_amd: remove bogus code from timing_setup()

On Mon, 18 Jan 2010 18:14:20 +0100
Bartlomiej Zolnierkiewicz <bzolnier@...il.com> wrote:

> From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> Subject: [PATCH] pata_amd: remove bogus code from timing_setup()
> 
> DMA modes don't have 8-bit timings.

If you are in a DMA based mode then you have 8bit timings for writes to
the non data registers. You can get an 8bit timed access to the other
drive even in DMA mode. 

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