tree 0fdcae24676e044e7090e59050cc3c99117a2fe8
parent b1a5e6c377848ea585fba5025aa97f723fff07ff
author Andy Green <andy.green@linaro.org> 1362805433 +0800
committer Andy Green <andy.green@linaro.org> 1362805433 +0800

document revent clearing scheme

Signed-off-by: Andy Green <andy.green@linaro.org>