Download patch
ref: a96a1fc344226c0018ad8124b0a8c1c5b89b3010 parent: 5a8cb710992e1914d0908b76bf77b9ceab58a891 author: Marc-Alexandre Espiaut <marcalexandre@member.fsf.org> date: Tue Jun 5 09:27:50 EDT 2018
Removing obsolete development code from isr.c