From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <406C9A3C.4010108@acm.org> Date: Thu, 01 Apr 2004 17:39:56 -0500 From: "Michael R. Zucca" MIME-Version: 1.0 To: Eugene Surovegin Cc: John Whitney , Dan Malek , Matt Porter , linuxppc-dev@lists.linuxppc.org Subject: Re: Problems with dma_alloc_coherent() References: <9EB527A2-83F5-11D8-9FF0-000A95A07384@sands-edge.com> <20040401100546.A27472@home.com> <4317F0F4-8405-11D8-9FF0-000A95A07384@sands-edge.com> <20040401181926.GA3630@gate.ebshome.net> <406C658E.10500@embeddededge.com> <20040401185956.GB3786@gate.ebshome.net> <2C2F00BD-8410-11D8-9FF0-000A95A07384@sands-edge.com> <20040401191715.GC3786@gate.ebshome.net> <406C8104.9050609@acm.org> <20040401220018.GA4130@gate.ebshome.net> In-Reply-To: <20040401220018.GA4130@gate.ebshome.net> Content-Type: text/plain; charset=us-ascii; format=flowed Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: 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 ---------------------------------------------- ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/