linux-kernel - Re: [RFC PATCH v3 2/2] drivers: mfd: vexpress: add Serial Power Controller (SPC) support

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Message-ID: <1371215040.3154.6.camel@hornet>
Date:	Fri, 14 Jun 2013 14:04:00 +0100
From:	Pawel Moll <pawel.moll@....com>
To:	Olof Johansson <olof@...om.net>
Cc:	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Jon Medhurst <tixy@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Achin Gupta <Achin.Gupta@....com>,
	Amit Kucheria <amit.kucheria@...aro.org>
Subject: Re: [RFC PATCH v3 2/2] drivers: mfd: vexpress: add Serial Power
 Controller (SPC) support

On Thu, 2013-06-13 at 23:52 +0100, Olof Johansson wrote:
> > +     reg = <0 0x7FFF0000 0 0x1000>;
> 
> #size-cells 2 on the parent bus? That's somewhat unusual. 

LPAE == 40 bit physical addresses == potential > 32 bit sizes (memory
blocks > 4GB)

Paweł


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