From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from service87.mimecast.com (service87.mimecast.com [91.220.42.44]) by ozlabs.org (Postfix) with ESMTP id 4D4F92C00A4 for ; Thu, 13 Dec 2012 03:48:12 +1100 (EST) Date: Wed, 12 Dec 2012 16:44:58 +0000 From: Andrew Murray To: Thierry Reding Subject: Re: pci and pcie device-tree binding - range No cells Message-ID: <20121212164458.GA17425@arm.com> References: <50C5D387.90908@monstr.eu> <50C5F11D.9060006@gmail.com> <50C5FA3E.9030303@monstr.eu> <50C5FE0F.3050108@gmail.com> <20121210214127.D51773E0796@localhost> <50C85E7D.5080006@monstr.eu> <20121212121912.GA2776@arm.com> <20121212133424.GA26280@avionic-0098.adnet.avionic-design.de> MIME-Version: 1.0 In-Reply-To: <20121212133424.GA26280@avionic-0098.adnet.avionic-design.de> Content-Type: text/plain; charset=WINDOWS-1252 Cc: Michal Simek , "linux-pci@vger.kernel.org" , devicetree-discuss , Liviu.Dudau@arm.com, "rob.herring@calxeda.com" , Rob Herring , linuxppc-dev List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Dec 12, 2012 at 01:34:24PM +0000, Thierry Reding wrote: > On Wed, Dec 12, 2012 at 12:19:12PM +0000, Andrew Murray wrote: > > I've been working on a relatively architecture agnostic PCI host bridge= driver > > and also wanted to avoid duplicating more generic DT parsing code for P= CI > > bindings. > >=20 > > I've ended up with a patch which provides an iterator for returning res= ources > > based on the the typical 'ranges' binding. This has ended up living in > > drivers/of/address.c. I originally started out in drivers/of/pci.c and > > drivers/pci/pci-of.c but found there were good (and static) implementat= ions in > > drivers/of/address.c which can be reused (e.g. of_bus_pci_get_flags, > > bus->count_cells). > >=20 > > I'm not just ready to post it - but can do before early next week if yo= u can > > wait. >=20 > I already posted a similar patch[0] as part of a larger series to bring > DT support to Tegra PCIe back in July. I suppose what you have must be > something pretty close to that. Most of the stuff that had me occupied > since then should be done soon and I was planning on resurrecting the > series one of these days. Thanks for the reference. I've submitted my patch, it's along the lines of = your existing patch. I'm happy to take the best bits from both, drop mine, etc. Andrew Murray