From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from quartz.orcorp.ca ([184.70.90.242]:48415 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751022AbaJWQwQ (ORCPT ); Thu, 23 Oct 2014 12:52:16 -0400 Date: Thu, 23 Oct 2014 10:52:06 -0600 From: Jason Gunthorpe To: Lorenzo Pieralisi Cc: Liviu Dudau , Mark Rutland , "devicetree@vger.kernel.org" , "jason@lakedaemon.net" , Arnd Bergmann , "linux-doc@vger.kernel.org" , Marc Zyngier , "linux-pci@vger.kernel.org" , Will Deacon , "linux-kernel@vger.kernel.org" , "robh+dt@kernel.org" , "suravee.suthikulpanit@amd.com" , Catalin Marinas , "bhelgaas@google.com" , "tglx@linutronix.de" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [RFC 2/4] PCI: generic: Add support for ARM64 and MSI(x) Message-ID: <20141023165206.GB13465@obsidianresearch.com> References: <1411937610-22125-1-git-send-email-suravee.suthikulpanit@amd.com> <3256560.C0cZnIlnAv@wuerfel> <20141022155914.GB25939@e102568-lin.cambridge.arm.com> <2148776.X8NPqiYA6S@wuerfel> <20141023091309.GF25302@e106497-lin.cambridge.arm.com> <20141023112731.GA5823@e102568-lin.cambridge.arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20141023112731.GA5823@e102568-lin.cambridge.arm.com> Sender: linux-pci-owner@vger.kernel.org List-ID: On Thu, Oct 23, 2014 at 12:27:31PM +0100, Lorenzo Pieralisi wrote: > I think that by removing that, we could switch to CONFIG_PCI_DOMAINS_GENERIC > on ARM32. I will remove the dependency in drivers/pci/host/pci-mvebu.c > introduced by commit 2613ba48. pci_sys_data.domain is always 0 in that > driver so its usefulness is doubtful, comments welcome, copied Jason in > if he has comments. pcie-mvebu is like all the other new drivers, each top level DT node that introduces the interface should have a unique domain number. It would be very strange (and currently unsupported by the driver) to ever have more than 1 mvebu top level node in any DT. Jason