1. 366daf6 serial: remove nulldev_serial_input by Heiko Schocher · Wed Feb 02 13:53:17 2022 +0100
  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. 7f69f68 serial: nulldev: Implement "pending" function to fix tstc return "true" by Wilson Lee · Thu Nov 02 23:39:51 2017 -0700
  4. 755e2d0 serial: nulldev: Add nulldev serial driver by Keng Soon Cheah · Thu Aug 24 20:29:07 2017 -0700