From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: DMA on ht6560b?
Date: Mon, 18 Feb 2008 15:43:49 +0000
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To: Jan Evert van Grootheest <j.e.van.grootheest@caiway.nl>
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> Hmm. But what do you then think that 2.2 did?

PIO4

> I mean it now does 1.15M/s and in 2.2 it would do ~4M/s with DMA on. 

It's never done DMA.