Functionally no change. Remove the ambiguity of 'wait_for_completion'.
It helps development of the DEPT dependency tracker, but seems favorable
in any case.
Signed-off-by: Byungchul Park <byungchul@sk.com>
[wsa: reworded commit message]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>