From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id EEC911007D3 for ; Fri, 27 Nov 2009 09:38:56 +1100 (EST) Subject: Re: [RFC PATCH 02/19] powerpc: gamecube: device tree From: Benjamin Herrenschmidt To: Segher Boessenkool In-Reply-To: <807D3910-3357-4DBF-A1C7-9C07A7C80A39@kernel.crashing.org> References: <1258927311-4340-1-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-2-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-3-git-send-email-albert_herranz@yahoo.es> <0AE26D40-D051-4CDE-878C-64CC8EF33E07@kernel.crashing.org> <1259209436.16367.243.camel@pasglop> <807D3910-3357-4DBF-A1C7-9C07A7C80A39@kernel.crashing.org> Content-Type: text/plain; charset="UTF-8" Date: Fri, 27 Nov 2009 09:38:50 +1100 Message-ID: <1259275130.2659.4.camel@pasglop> Mime-Version: 1.0 Cc: Albert Herranz , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2009-11-26 at 23:15 +0100, Segher Boessenkool wrote: > >> If you have only one interrupt controller, like here, you don't > >> need to refer to it _at all_ :-) > > > > I think Linux requires that you do though. It might be a mistake on > > our > > part but heh ... > > Linux doesn't require it; (old) Macs are like this, for example, > and that works fine. Oh and all Maple firmwares are like that as > well I think. Etc. It works fine on old macs thanks to a quirk we enable in the mac code iirc and old maple works thanks to mere luck with the fallback code we have which reads things of PCI config space :-) Don't rely on that. Cheers, Ben.