linux-kernel - Re: [RFC PATCH v2 3/4] powerpc: refactor of_get_cpu

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Message-ID: <1376777376.25016.11.camel@pasglop>
Date:	Sun, 18 Aug 2013 08:09:36 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Tomasz Figa <tomasz.figa@...il.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@....com>,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Jonas Bonn <jonas@...thpole.se>,
	Michal Simek <monstr@...str.eu>,
	Rob Herring <rob.herring@...xeda.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Grant Likely <grant.likely@...aro.org>
Subject: Re: [RFC PATCH v2 3/4] powerpc: refactor of_get_cpu_node to support
 other architectures

On Sat, 2013-08-17 at 12:50 +0200, Tomasz Figa wrote:
> I wonder how would this handle uniprocessor ARM (pre-v7) cores, for
> which 
> the updated bindings[1] define #address-cells = <0> and so no reg 
> property.
> 
> [1] - http://thread.gmane.org/gmane.linux.ports.arm.kernel/260795

Why did you do that in the binding ? That sounds like looking to create
problems ... 

Traditionally, UP setups just used "0" as the "reg" property on other
architectures, why do differently ?

Ben.




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