linux-kernel - Re: [PATCH 13/15] ide: fix UDMA/MWDMA/SWDMA masks

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Message-ID: <45B51E83.1010904@ru.mvista.com>
Date:	Mon, 22 Jan 2007 23:28:51 +0300
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Alan <alan@...rguk.ukuu.org.uk>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/15] ide: fix UDMA/MWDMA/SWDMA masks

Hello.

Alan wrote:

>>    Ugh, I'm not seeing any *actual* support for MW/SW DMA in this driver... 

> Thats long been broken. Should be correct in the libata driver

    Here's a surprise for you. pata_cmd64x copied the SW/MW DMA setup code 
from the IDE driver.  No way it could be working.  You may check against the 
PC64x datasheets (if you have them -- if you don't I think I may share) and 
see for yourself -- it's abolutely idiotic.

> Alan

WBR, Sergei
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