Date: Fri, 27 Jun 2014 13:49:49 +0100
From: Will Deacon <will.deacon@arm.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <robherring2@gmail.com>,
        Catalin Marinas <Catalin.Marinas@arm.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        linaro-kernel <linaro-kernel@lists.linaro.org>,
        linux-pci <linux-pci@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Grant Likely <grant.likely@secretlab.ca>,
        Tanmay Inamdar <tinamdar@apm.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Jon Masters <jonathan@jonmasters.org>,
        Liviu Dudau <Liviu.Dudau@arm.com>,
        LAKML <linux-arm-kernel@lists.infradead.org>,
        Michal Simek <monstr@monstr.eu>
Subject: Re: [PATCH v7 1/6] pci: Introduce pci_register_io_range() helper
 function.
Message-ID: <20140627124949.GR26276@arm.com>
References: <1394811272-1547-1-git-send-email-Liviu.Dudau@arm.com>
 <20140626085926.GB11244@arm.com>
 <CAL_JsqKCHf6VXR3FFcBSu1xuhP54dYsAJCZwT-X9p5iTZAOJfQ@mail.gmail.com>
 <6381366.2IfqZj1r0B@wuerfel>
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On Fri, Jun 27, 2014 at 12:03:34PM +0100, Arnd Bergmann wrote:
> On Thursday 26 June 2014 19:44:21 Rob Herring wrote:
> > I don't agree arm32 is harder than microblaze. Yes, converting ALL of
> > arm would be, but that is not necessary. With Liviu's latest branch
> > the hacks I previously needed are gone (thanks!), and this is all I
> > need to get Versatile PCI working (under QEMU):
> 
> I meant converting all of arm32 would be harder, but I agree we don't
> have to do it. It would be nice to convert all of the drivers/pci/host
> drivers though, iow all multiplatform-enabled ones, and leaving the
> current arm32 pci implementation for the platforms we don't want to
> convert to multiplatform anyway (footbridge, iop, ixp4xx, ks8695 (?),
> pxa, sa1100).

I'm more than happy to convert the generic host controller we merged
recently, but I'd probably want the core changes merged first so that I
know I'm not wasting my time!

Will
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