From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from nommos.sslcatacombnetworking.com (nommos.sslcatacombnetworking.com [67.18.224.114]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 59C63DDE01 for ; Fri, 16 Feb 2007 08:40:14 +1100 (EST) In-Reply-To: <9696D7A991D0824DBA8DFAC74A9C5FA302A1BC76@az33exm25.fsl.freescale.net> References: <11713852392294-git-send-email-timur@freescale.com><20070214003119.GF11491@localhost.localdomain><45D29BBA.7090401@freescale.com><20070214052440.GB12609@localhost.localdomain><45D31734.7030808@freescale.com><20070214233348.GH16279@localhost.localdomain> <9696D7A991D0824DBA8DFAC74A9C5FA302A1BC76@az33exm25.fsl.freescale.net> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: From: Kumar Gala Subject: Re: purpose of /chosen node (was RE: [PATCH] powerpc: delete boot-cpu and chosen nodes from all DTSfiles) Date: Thu, 15 Feb 2007 15:39:08 -0600 To: Yoder Stuart-B08248 Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Feb 15, 2007, at 3:26 PM, Yoder Stuart-B08248 wrote: > > >> -----Original Message----- >> From: linuxppc-dev-bounces+b08248=freescale.com@ozlabs.org >> [mailto:linuxppc-dev-bounces+b08248=freescale.com@ozlabs.org] >> On Behalf Of Segher Boessenkool >> Sent: Wednesday, February 14, 2007 7:40 PM >> To: David Gibson >> Cc: linuxppc-dev@ozlabs.org; Tabi Timur-B04825 >> Subject: Re: [PATCH] powerpc: delete boot-cpu and chosen >> nodes from all DTSfiles >> >>> My point is that the interrupt-controller property in >> /chosen *should* >>> be there, but it doesn't make a lot of sense for it to be set by the >>> bootloader (because it's a fixed property of the board). >> >> And that means it shouldn't be in /chosen at all. It's not >> just a fixed property of the board, it is a physical property >> of the board. It doesn't belong in /chosen. > > I agree with Segher here. The interrupt-controller property doesn't > belong in /chosen. > > The 1275 OF spec says about /chosen: > > Has properties describing parameters chosen or specified at > runtime. I want to reiterate something Paul mentioned, any similarity that the device tree has to 1275 is strictly coincidental. - k