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From: "Michael R. Zucca" <mrz5149@acm.org>
To: Eugene Surovegin <ebs@ebshome.net>
Cc: John Whitney <jwhitney-linuxppc@sands-edge.com>,
	Dan Malek <dan@embeddededge.com>,
	Matt Porter <mporter@kernel.crashing.org>,
	linuxppc-dev@lists.linuxppc.org
Subject: Re: Problems with dma_alloc_coherent()
Date: Thu, 01 Apr 2004 17:39:56 -0500	[thread overview]
Message-ID: <406C9A3C.4010108@acm.org> (raw)
In-Reply-To: <20040401220018.GA4130@gate.ebshome.net>


Eugene Surovegin wrote:
> On Thu, Apr 01, 2004 at 03:52:20PM -0500, Michael R. Zucca wrote:
?
> In case of several bridges, I think it's simpler just to assign _different_
> buses for each bus connected by a bridge.

Ok, I see. So if you assume the CPU is a target/source, you can infer
any intervening bridges/busses. I assume the bridge/bus hierarchy is
stored somewhere so you can do the appropriate programming/translation
for each bridge.

--
----------------------------------------------
  Michael Zucca - mrz5149@acm.org
----------------------------------------------
  "I'm too old to use Emacs." -- Rod MacDonald
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** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2004-04-01 22:39 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-01 15:59 Problems with dma_alloc_coherent() John Whitney
2004-04-01 16:30 ` John Whitney
2004-04-01 16:51 ` Dan Malek
2004-04-01 17:01 ` Tom Rini
2004-04-01 17:05 ` Matt Porter
2004-04-01 17:51   ` John Whitney
2004-04-01 18:16     ` Matt Porter
2004-04-01 18:19     ` Eugene Surovegin
2004-04-01 18:33       ` Eugene Surovegin
2004-04-01 18:33       ` John Whitney
2004-04-01 18:40         ` Eugene Surovegin
2004-04-01 18:48           ` John Whitney
2004-04-01 18:55       ` Dan Malek
2004-04-01 18:59         ` Eugene Surovegin
2004-04-01 19:10           ` John Whitney
2004-04-01 19:17             ` Eugene Surovegin
2004-04-01 19:35               ` John Whitney
2004-04-01 20:52               ` Michael R. Zucca
2004-04-01 22:00                 ` Eugene Surovegin
2004-04-01 22:39                   ` Michael R. Zucca [this message]
2004-04-02 16:50                   ` John Whitney
2004-04-02 18:50                     ` Michael R. Zucca
2004-04-02 19:27                       ` John Whitney
2004-04-02 20:20                         ` Michael R. Zucca
2004-04-02 21:01                           ` John Whitney
2004-04-03  7:54                             ` Adrian Cox
2004-04-03 12:43                               ` John Whitney
2004-04-05  9:05                                 ` Adrian Cox
2004-04-03 17:33                               ` Brad Boyer
2004-04-03 23:17                                 ` Paul Mackerras
2004-04-04  8:15                                 ` Adrian Cox
2004-04-02 22:54                     ` Paul Mackerras
2004-04-03  7:33                       ` Adrian Cox
2004-04-04 22:56                         ` Benjamin Herrenschmidt
2004-04-02  5:45             ` Christoph Hellwig
2004-04-01 20:49           ` Matt Porter

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