linux-kernel - Re: [PATCH v2 1/5] drivers: of: add initialization code for reserved memory

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Message-ID: <1392148971.3835.15.camel@pasglop>
Date:	Wed, 12 Feb 2014 07:02:51 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Grant Likely <grant.likely@...aro.org>
Cc:	Tomasz Figa <t.figa@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linaro-mm-sig@...ts.linaro.org, devicetree@...r.kernel.org,
	linux-doc@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Arnd Bergmann <arnd@...db.de>,
	Michal Nazarewicz <mina86@...a86.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Laura Abbott <lauraa@...eaurora.org>,
	Rob Herring <robh+dt@...il.com>,
	Olof Johansson <olof@...om.net>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ian.campbell@...rix.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Kumar Gala <galak@...eaurora.org>,
	Nishanth Peethambaran <nishanth.p@...il.com>,
	Marc <marc.ceeeee@...il.com>,
	Josh Cartwright <joshc@...eaurora.org>
Subject: Re: [PATCH v2 1/5] drivers: of: add initialization code for
 reserved memory

On Tue, 2014-02-11 at 19:01 +0000, Grant Likely wrote:

> > except that the former IMHO better suits the definition of memory 
> > region, which I see as a single contiguous range of memory and can be 
> > simplified to have a single reg entry per region.
> 
> My point is rather if multiple reg tuples are found in a reserved memory
> node, the kernel must respect them and reserve the memory. I'm not
> arguing about whether or not that makes for a good binding.

agreed.

Cheers,
Ben.


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