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
next prev parent 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 DAC960 in 2.5.38, with new changes 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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