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From: "davide.rossetti" <Davide.Rossetti@roma1.infn.it>
To: Daniel Phillips <phillips@arcor.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: DAC960 in 2.5.38, with new changes
Date: Wed, 25 Sep 2002 23:42:31 +0200 (CEST)	[thread overview]
Message-ID: <Pine.LNX.4.44.0209252338370.2766-100000@ronin.ape> (raw)
In-Reply-To: <E17ttkV-0003id-00@starship>

On Tue, 24 Sep 2002, Daniel Phillips wrote:

> On Tuesday 24 September 2002 18:54, Dave Olien wrote:
> > According to the Documentation/DMA-mapping.txt file, the new
> > DMA mapping interfaces should allow all PCI transfers to use 32-bit DMA
> > addresses. Controllers on the PCI bus should never need to use DAC
> > PCI transfers.  Based on this, writel() should work even on ia64.
> 
> A totally disgusting idea: MMX/x87 are also capable of transferring 8
> bytes in one instruction on ia32.

to the north bridge. but then it's a bridge matter how to translate that
access on the PCI side... I guess.
regards

-- 
______/ Rossetti Davide   INFN - Roma I - APE group \______________
 pho +390649914507/412   web: http://apegate.roma1.infn.it/~rossetti
 fax +390649914423     email: davide.rossetti@roma1.infn.it        


  reply	other threads:[~2002-09-25 21:37 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-23 19:04 Dave Olien
2002-09-23 19:19 ` David Mosberger
2002-09-23 20:40   ` David S. Miller
2002-09-23 20:53     ` David Mosberger
2002-09-23 20:57       ` David S. Miller
2002-09-23 21:24         ` David Mosberger
2002-09-23 21:17           ` David S. Miller
2002-09-23 21:32             ` David Mosberger
2002-09-23 21:28               ` David S. Miller
2002-09-23 21:31           ` Daniel Phillips
2002-09-23 21:33             ` David Mosberger
2002-09-23 21:28               ` David S. Miller
2002-09-23 21:40               ` Daniel Phillips
2002-09-23 21:45                 ` David Mosberger
2002-09-23 20:44   ` Daniel Phillips
2002-09-23 20:54     ` David S. Miller
2002-09-24 16:54       ` Dave Olien
2002-09-24 17:11         ` David Mosberger
2002-09-24 17:28           ` Dave Olien
2002-09-24 18:21             ` David Mosberger
2002-09-24 18:25               ` Dave Olien
2002-09-24 19:12                 ` David Mosberger
2002-09-24 18:45               ` Dave Olien
2002-09-24 17:50           ` Daniel Phillips
2002-09-24 18:27             ` David Mosberger
2002-09-24 17:39         ` Daniel Phillips
2002-09-25 22:20           ` DAC960, documentation links Daniel Phillips
2002-09-25 22:23             ` Daniel Phillips
2002-09-26  0:02             ` Mr. James W. Laferriere
2002-09-26 16:13           ` DAC960 in 2.5.38, with new changes Alan Cox
2002-09-24 17:45         ` Daniel Phillips
2002-09-25 21:42           ` davide.rossetti [this message]
2002-09-23 20:39 ` Daniel Phillips
2002-09-23 21:41   ` Dave Olien
2002-09-23 21:53     ` Daniel Phillips
2002-09-23 22:03       ` Dave Olien
2002-09-23 22:22         ` Daniel Phillips

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