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. 7f69f68 serial: nulldev: Implement "pending" function to fix tstc return "true" by Wilson Lee · Thu Nov 02 23:39:51 2017 -0700
  3. 755e2d0 serial: nulldev: Add nulldev serial driver by Keng Soon Cheah · Thu Aug 24 20:29:07 2017 -0700