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(parent: 9e354ea) | patch
ARM: 6294/1: etm: do a dummy read from OSSRR during initialization
authorAlexander Shishkin <virtuoso@slind.org>
Wed, 4 Aug 2010 10:27:33 +0000 (11:27 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 10 Aug 2010 21:10:53 +0000 (22:10 +0100)
commit988257cfcbc468cb26b3addfcab1d0187c4e2399
tree8f2bd59c63ac07beef9aa8eb2d3c95682a4f2d8dtree | snapshot (tar.gz zip)
parent9e354ea8e0710baf05804168fdabe90231b3d363commit | diff
ARM: 6294/1: etm: do a dummy read from OSSRR during initialization

The first read from ETM OS save and restore register after the power
down bit deassertion returns garbage.

Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/etm.c diff | blob | blame | history