linux-kernel - Re: [RESEND] [PATCH v2 1/2] arm: devtree: Set system

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Date:	Thu, 25 Jun 2015 11:03:51 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	linux-arm-kernel@...ts.infradead.org,
	Rob Herring <robherring2@...il.com>,
	Will Deacon <will.deacon@....com>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Sebastian Reichel <sre@...ian.org>,
	Pavel Machek <pavel@....cz>, Tony Lindgren <tony@...mide.com>,
	Andreas Färber <afaerber@...e.de>,
	linux-omap@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	devicetree@...r.kernel.org
Subject: Re: [RESEND] [PATCH v2 1/2] arm: devtree: Set system_rev from DT
 revision

On Wed, May 06, 2015 at 01:44:17PM +0200, Pali Rohár wrote:
> On Wednesday 06 May 2015 13:04:01 Arnd Bergmann wrote:
> > What I mean is which code accesses this variable that early?
> > 
> 
> ATAG code is doing it at same early stage, so I added it to same early
> stage...

ATAG code does it early because ATAGs are only available early on, and
it's simpler to parse them all in one go, rather than having to do
multiple passes over the structure - especially when most instances are
just storing an integer to some BSS variable.

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