From: Zhu, Yi <yi.zhu@intel.com>
Date: Fri, 5 Dec 2008 15:58:41 +0000 (-0800)
Subject: iwlwifi: use rmb/wmb to protect indirect mmio operation
X-Git-Tag: v2.6.29-rc1~581^2~203^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8ec42c1431e8a43f910fb27af4882416cf5d6b1;p=pandora-kernel.git

iwlwifi: use rmb/wmb to protect indirect mmio operation

This patch protects iwlwifi indirect mmio operations with rmb() and
wmb(). It makes sure CPU reordering won't affect our indirect mmio
access.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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