From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from quartz.orcorp.ca ([184.70.90.242]:52642 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751114AbaBCWQK (ORCPT ); Mon, 3 Feb 2014 17:16:10 -0500 Date: Mon, 3 Feb 2014 15:15:59 -0700 From: Jason Gunthorpe To: Arnd Bergmann Cc: Tanmay Inamdar , Bjorn Helgaas , Grant Likely , Rob Herring , Catalin Marinas , Rob Landley , "linux-pci@vger.kernel.org" , "devicetree@vger.kernel.org" , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, patches , Jon Masters , Liviu Dudau Subject: Re: [RFC PATCH V3 1/4] pci: APM X-Gene PCIe controller driver Message-ID: <20140203221559.GG2519@obsidianresearch.com> References: <1390599168-13150-1-git-send-email-tinamdar@apm.com> <201401301516.27091.arnd@arndb.de> <4985267.LnsktRmabM@wuerfel> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <4985267.LnsktRmabM@wuerfel> Sender: linux-pci-owner@vger.kernel.org List-ID: On Mon, Feb 03, 2014 at 09:12:32PM +0100, Arnd Bergmann wrote: > Are you sure that is true for the root bridge as well? I don't > remember the details, but I though that for the host bridge, > we don't actually look at the BARs at all. That is right, but this isn't a host bridge device, it is a PCI-PCI bridge with root complex registers. The root complex bridge is not the same as the host bridge. Unfortunately the implementation is non-conforming. :( Jason From mboxrd@z Thu Jan 1 00:00:00 1970 From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe) Date: Mon, 3 Feb 2014 15:15:59 -0700 Subject: [RFC PATCH V3 1/4] pci: APM X-Gene PCIe controller driver In-Reply-To: <4985267.LnsktRmabM@wuerfel> References: <1390599168-13150-1-git-send-email-tinamdar@apm.com> <201401301516.27091.arnd@arndb.de> <4985267.LnsktRmabM@wuerfel> Message-ID: <20140203221559.GG2519@obsidianresearch.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Feb 03, 2014 at 09:12:32PM +0100, Arnd Bergmann wrote: > Are you sure that is true for the root bridge as well? I don't > remember the details, but I though that for the host bridge, > we don't actually look at the BARs at all. That is right, but this isn't a host bridge device, it is a PCI-PCI bridge with root complex registers. The root complex bridge is not the same as the host bridge. Unfortunately the implementation is non-conforming. :( Jason