> On 18. Feb 2022, at 17:47, Joel Sherrill <joel at rtems.org> wrote: > > > "Normally" the driver initialization entry registers names. Unfortunately, I cannot confirm that. I don't see any registrations (rtems_io_register_driver()) of the drivers. Only rtems_io_initialize() major 0 - > (in my case) 39 is called. Heinz