From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from down.free-electrons.com ([37.187.137.238]:55247 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751196AbcFIMgY (ORCPT ); Thu, 9 Jun 2016 08:36:24 -0400 Date: Thu, 9 Jun 2016 14:36:21 +0200 From: Thomas Petazzoni To: Arnd Bergmann Cc: linux-arm-kernel@lists.infradead.org, Bjorn Helgaas , linux-pci@vger.kernel.org, Lior Amsalem , Andrew Lunn , Yehuda Yitschak , Jason Cooper , Hanna Hawa , Nadav Haklai , Gregory Clement , Marcin Wojtas , Sebastian Hesselbarth Subject: Re: [PATCH 2/3] PCI: host: new PCI host controller driver for Marvell Armada 3700 Message-ID: <20160609143621.5291dda5@free-electrons.com> In-Reply-To: <11140978.npsCNQs782@wuerfel> References: <1464858585-10963-1-git-send-email-thomas.petazzoni@free-electrons.com> <3112077.0RPfokLCAs@wuerfel> <20160609111921.11975627@free-electrons.com> <11140978.npsCNQs782@wuerfel> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-pci-owner@vger.kernel.org List-ID: Hello, On Thu, 09 Jun 2016 14:19:07 +0200, Arnd Bergmann wrote: > > There is a GIC-500, but Marcin told me that attempts to use MSI with it > > have not been successful so far. There will be investigation on this > > topic in the future, but for the moment, we'd like to have the MSI > > functionality built into the PCIe driver supported. We can migrate > > later to GIC-500 powered MSIs once working. > > I think you should still add the msi-parent or msi-map properties then, > just have them point at the PCI host node instead of the GIC-500, > and evaluate that to get the built-in controller. Sure, I'll have a look at doing that. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com