From: David Howells <dhowells@redhat.com>
Date: Wed, 12 Dec 2012 15:36:37 +0000 (+0000)
Subject: MN10300: ttySM: Use memory barriers correctly in circular buffer logic
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~46^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c98c406eb2c518c7c5bc922fafa1f9fdcb7b76f4;p=pandora-kernel.git

MN10300: ttySM: Use memory barriers correctly in circular buffer logic

Use memory barriers correctly in the circular buffer logic used in the driver,
as documented in Documentation/circular-buffers.txt.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
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