From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lixom.net (lixom.net [66.141.50.11]) by ozlabs.org (Postfix) with ESMTP id 08681DDE38 for ; Wed, 12 Sep 2007 03:32:15 +1000 (EST) Date: Tue, 11 Sep 2007 12:33:08 -0500 From: Olof Johansson To: Scott Wood Subject: Re: [PATCH] [POWERPC] 85xx: Add basic Uniprocessor MPC8572 DS port Message-ID: <20070911173308.GA11951@lixom.net> References: <20070911141821.GA32545@lixom.net> <230A7A2A-3184-4BC2-B8AC-C94090B532B0@kernel.crashing.org> <20070911155558.GA10743@lixom.net> <11B85E70-D643-4013-A9B3-59CD76F9D7AB@kernel.crashing.org> <20070911171521.GB10743@lixom.net> <46E6CE9A.8080402@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <46E6CE9A.8080402@freescale.com> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Sep 11, 2007 at 12:21:30PM -0500, Scott Wood wrote: > Olof Johansson wrote: > > On Tue, Sep 11, 2007 at 11:00:28AM -0500, Kumar Gala wrote: > >> well the ifdefs are orthogonal. We don't have a way of knowing > >> primary from the device tree today. > > > > How about something like "fsl,primary-phb" in the bus device node? I don't > > know, maybe it's already been discussed and turned down for some reason. > > It's more of a Linux issue than anything to do with the hardware. That doesn't stop firmware from telling linux which bus is the primary one on the system to help out. > > Or would it be sufficient to check children of that device node to see > > if the ULi is on that bus? > > Or more generally, see if an isa node is somewhere in that subtree. -Olof