From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.free-electrons.com ([94.23.35.102]:59472 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755323Ab3A1Way (ORCPT ); Mon, 28 Jan 2013 17:30:54 -0500 Date: Mon, 28 Jan 2013 23:30:48 +0100 From: Thomas Petazzoni To: Jason Gunthorpe Cc: Stephen Warren , Arnd Bergmann , Bjorn Helgaas , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jason Cooper , Andrew Lunn , Gregory Clement , Maen Suleiman , Lior Amsalem , Thierry Reding , Eran Ben-Avi , Nadav Haklai , Shadi Ammouri , Tawfik Bayouk , Russell King - ARM Linux Subject: Re: [PATCH v2 07/27] PCI: Add software-emulated host bridge Message-ID: <20130128233048.2ab6a6d2@skate> In-Reply-To: <20130128222348.GA21628@obsidianresearch.com> References: <1359399397-29729-1-git-send-email-thomas.petazzoni@free-electrons.com> <1359399397-29729-8-git-send-email-thomas.petazzoni@free-electrons.com> <201301282018.17714.arnd@arndb.de> <5106F5CB.8050304@wwwdotorg.org> <20130128220904.GA21446@obsidianresearch.com> <20130128231829.6b205c3c@skate> <20130128222348.GA21628@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-pci-owner@vger.kernel.org List-ID: Dear Jason Gunthorpe, On Mon, 28 Jan 2013 15:23:48 -0700, Jason Gunthorpe wrote: > I'm refering to your earlier question about what PCI IDs to use for > the SW emulated devices. If there is no need for the host bridge then > you only need 1 PCI ID (for the root port bridge) and you can probably > fairly safely re-use the one in the Marvell config space of the HW. Ah, ok, I see. But isn't a host bridge needed to bind all the PCI-to-PCI bridges under a single bus, in order to get the global resource assignment I was referring to? Regarding the PCI IDs, I have started to work with Marvell to see what is possible. I, unfortunately, haven't received the answer for now. Best regards, Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com