From: Barry Song <21cnbao@gmail.com>
Date: Fri, 9 Sep 2011 09:30:34 +0000 (+0100)
Subject: ARM: 7089/1: L2X0: add explicit cpu_relax() for busy wait loop
X-Git-Tag: v3.2-rc1~95^2~3^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1caf30924f71ae16a26aa59b02a6401f467bf1c8;p=pandora-kernel.git

ARM: 7089/1: L2X0: add explicit cpu_relax() for busy wait loop

using cpu_relax in busy loops is a well-known idiom in the kernel.
It's more for documentation purposes than technically needed here.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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