linux-kernel - Re: [PATCH v9 04/12] PCI: OF: Fix the conversion of IO ranges into IO resources.

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Message-ID: <20140905221131.GJ8080@google.com>
Date:	Fri, 5 Sep 2014 16:11:31 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Rob Herring <robherring2@...il.com>
Cc:	Liviu Dudau <liviu@...au.co.uk>, Liviu Dudau <Liviu.Dudau@....com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Arnd Bergmann <arnd@...db.de>,
	Russell King <linux@....linux.org.uk>,
	Tanmay Inamdar <tinamdar@....com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Sinan Kaya <okaya@...eaurora.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Suravee Suthikulanit <suravee.suthikulpanit@....com>,
	linux-pci <linux-pci@...r.kernel.org>,
	linux-arch <linux-arch@...r.kernel.org>,
	Device Tree ML <devicetree@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v9 04/12] PCI: OF: Fix the conversion of IO ranges into
 IO resources.

On Sun, Aug 24, 2014 at 06:27:48PM -0500, Rob Herring wrote:
> On Fri, Aug 22, 2014 at 8:06 AM, Liviu Dudau <liviu@...au.co.uk> wrote:
> > mips is doing the same thing and I believe is not affected, pci-host-generic.c
> > was adjusting the returned values afterwards so that will not be needed and Lorenzo
> > has a patch for the driver to adapt it to this series anyway.
> >
> > pcie-designware.c also recalculates the io.start and io.end values, so that's fine
> > for now. The only ones that I believe are still affected are pci-tegra.c and
> > pcie-rcar.c for which I will need to provide a patch similar to integrator unless
> > the code gets converted to the new range parsing.
> 
> Well, the latter would be nice, but they certainly have to be fixed.
> Now that I think about it, this needs to be handled in a bisectable
> way. So I think you need to fix all affected platforms in this patch
> rather than a separate patch as you have done.

Yep, I was about to complain that the "ARM: integrator: Correct usage of
of_pci_range_to_resource()" patch needs to be squashed into whatever broke
it, but I see Rob already caught that.

Bjorn
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