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authorHung-Te Lin <hungte@chromium.org>2013-06-12 15:01:56 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-07-10 22:36:33 +0200
commit2867060098e4023a2d33d335afe49981584ec378 (patch)
tree19aeb644b9fbf46660aebc0e8c1c24f6787cece9 /util/showdevicetree
parent83fd23925509026734833c9d8d28890029899458 (diff)
arm: Fix memory barrier usage in IO operation
The dmb should be executed before reading operations, and before/after writing operations. Change-Id: I572136a2f9a07eb2c38a112f5deeb2de0c0fd46c Signed-off-by: Hung-Te Lin <hungte@chromium.org> Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3682 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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