From: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date: Fri, 8 Feb 2008 12:21:02 +0000 (-0800)
Subject: atmel_serial: use cpu_relax() when busy-waiting
X-Git-Tag: v2.6.25-rc1~117
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=829dd8112274d46c5ed82d46be506762e2c8fcd8;p=pandora-kernel.git

atmel_serial: use cpu_relax() when busy-waiting

Replace two instances of barrier() with cpu_relax() since that's the right
thing to do when busy-waiting.  This does not actually change anything since
cpu_relax() is defined as barrier() on both ARM and AVR32.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Tested-by: Marc Pignat <marc.pignat@hevs.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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