1. 11263e6 include: update log2 header from the Linux kernel by Heinrich Schuchardt · Mon May 07 22:18:27 2018 +0200
  2. 10e4779 SPDX: Convert all of our single license tags to Linux Kernel style by Tom Rini · Sun May 06 17:58:06 2018 -0400
  3. 6ddec55 include: Add log2 header from the kernel by Fabio Estevam · Thu Nov 05 12:43:22 2015 -0200