1. 10e4779 SPDX: Convert all of our single license tags to Linux Kernel style by Tom Rini · Sun May 06 17:58:06 2018 -0400
  2. 267cab6 time: import time_after, time_before and friends from Linux by Masahiro Yamada · Wed Dec 28 00:36:02 2016 +0900
  3. a4f0b8e time: move timer APIs to include/time.h by Masahiro Yamada · Wed Dec 28 00:36:00 2016 +0900