From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from de01egw01.freescale.net (de01egw01.freescale.net [192.88.165.102]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "de01egw01.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 733E5DDE35 for ; Thu, 3 Jan 2008 21:22:25 +1100 (EST) Received: from de01smr02.am.mot.com (de01smr02.freescale.net [10.208.0.151]) by de01egw01.freescale.net (8.12.11/de01egw01) with ESMTP id m03AMKTX020030 for ; Thu, 3 Jan 2008 03:22:20 -0700 (MST) Received: from zch01exm21.fsl.freescale.net (zch01exm21.ap.freescale.net [10.192.129.205]) by de01smr02.am.mot.com (8.13.1/8.13.0) with ESMTP id m03AMIHj026526 for ; Thu, 3 Jan 2008 04:22:19 -0600 (CST) Subject: Re: [PATCH] powerpc: Add MPC837x PCIE controller RC mode support From: Li Li To: Arnd Bergmann In-Reply-To: <200801031114.05981.arnd@arndb.de> References: <1199272605.22416.8.camel@Guyver> <200801030914.12628.arnd@arndb.de> <1199349066.4437.5.camel@Guyver> <200801031114.05981.arnd@arndb.de> Content-Type: text/plain Date: Thu, 03 Jan 2008 18:08:36 +0800 Message-Id: <1199354916.4437.12.camel@Guyver> Mime-Version: 1.0 Cc: Phillips Kim , linuxppc-dev@ozlabs.org, Li Tony , Wood Scott List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2008-01-03 at 18:14 +0800, Arnd Bergmann wrote: > After some more research, I noticed that the distinction between > primary and secondary host bridges will go away _anyway_, so > I guess we shouldn't worry about it too much. > > On powerpc64, we already don't care, as the > arch/powerpc/kernel/isa-bridge.c > code takes care of legacy I/O areas there, instead of the PCI code. > It's only needed on machines with legacy ISA devices (PC keyboard, > floppy, ...), and those can be converted to use the isa-bridge code > at some point. > This is really a good new :) - Tony