linux-kernel - Re: [PATCH 1/2] pci: Add IORESOURCE_BIT entry for PCIe ECAM resources.

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Message-ID: <4495090.ktpdXEyibD@wuerfel>
Date:	Mon, 02 Jun 2014 21:15:46 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Kumar Gala <galak@...eaurora.org>
Cc:	Grant Likely <grant.likely@...aro.org>,
	Liviu Dudau <Liviu.Dudau@....com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Rob Herring <robherring2@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Kishon Vijay Abraham I <kishon@...com>
Subject: Re: [PATCH 1/2] pci: Add IORESOURCE_BIT entry for PCIe ECAM resources.

On Monday 02 June 2014 13:09:08 Kumar Gala wrote:
> > However, what do we do with the 2 cases that exist in upstream that
> >> are using ranges for cfg space?
> > 
> > Ignore them in the core code? Make the specific host controller handle
> > them I would think.
> 
> I just meant, should we ‘break’ their DTs and move them from using ranges to reg?

dw-pcie is used on a lot of systems, I think we should make the common
part of that driver always handle config space in a common way, and
move out the part that parses the ranges property into the individual
soc-specific glue drivers that want to keep optional backwards compatibility
with existing dtbs.

Which one is the other driver?

	Arnd
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