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

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Message-ID: <20140601112648.GI1677@bart.dudau.co.uk>
Date:	Sun, 1 Jun 2014 12:26:50 +0100
From:	"Liviu Dudau" <liviu@...au.co.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Liviu Dudau <Liviu.Dudau@....com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Kumar Gala <galak@...eaurora.org>,
	Rob Herring <robherring2@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Grant Likely <grant.likely@...aro.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 Sat, May 31, 2014 at 08:41:04PM +0200, Arnd Bergmann wrote:
> On Saturday 31 May 2014 01:36:40 Liviu Dudau wrote:
> > We would like to be able to describe PCIe ECAM resources as
> > IORESOURCE_MEM blocks while distinguish them from standard
> > memory resources. Add an IORESOURCE_BIT entry for this case.
> > 
> > Signed-off-by: Liviu Dudau <Liviu.Dudau@....com>
> 
> I still don't see any value in this at all. What is the advantage
> of doing this opposed to just having a standardized 'reg' property
> for a particular compatible string?

Oh, I agree. This patch was trying to provide an improved solution
to the original patch just in case someone considers this a worthwhile
exercise.

Best regards,
Liviu

> 
> 	Arnd
> --
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