From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S937230AbdEWSI1 (ORCPT <rfc822;w@1wt.eu>);
        Tue, 23 May 2017 14:08:27 -0400
Received: from smtp2-g21.free.fr ([212.27.42.2]:25777 "EHLO smtp2-g21.free.fr"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S933846AbdEWSIZ (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 23 May 2017 14:08:25 -0400
Subject: Re: [PATCH v4 0/2] Tango PCIe controller support
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Robin Murphy <robin.murphy@arm.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Liviu Dudau <liviu.dudau@arm.com>,
        David Laight <david.laight@aculab.com>,
        linux-pci <linux-pci@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Thibaud Cornic <thibaud_cornic@sigmadesigns.com>,
        Phuong Nguyen <phuong_nguyen@sigmadesigns.com>,
        LKML <linux-kernel@vger.kernel.org>
References: <d054300a-5891-0a25-8726-2be6b1beff6c@sigmadesigns.com>
 <20170523171758.GC24431@bhelgaas-glaptop.roam.corp.google.com>
From: Mason <slash.tmp@free.fr>
Message-ID: <cb5d08d6-bbbe-486f-b721-2eeeb410ab5e@free.fr>
Date: Tue, 23 May 2017 20:07:53 +0200
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101
 Firefox/52.0 SeaMonkey/2.49
MIME-Version: 1.0
In-Reply-To: <20170523171758.GC24431@bhelgaas-glaptop.roam.corp.google.com>
Content-Type: text/plain; charset=ISO-8859-15
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 23/05/2017 19:17, Bjorn Helgaas wrote:
>
> On Thu, Apr 20, 2017 at 04:24:39PM +0200, Marc Gonzalez wrote:
>
>> This patch was split in two, to ease review of two orthogonal
>> parts (MSI controller and host bridge). NB: the patch is
>> just split in two where host bridge support starts.
> 
> The split is backwards.  The first patch should add basic host bridge
> support that is functional, though lacking MSI support.  The second should
> add the MSI support.

OK, I'll invert the patches.

Note: the bridge does not support legacy interrupts.
Without MSI support, EPs can't interrupt the host.
Is that still considered functional?

Regards.