On Thu, Mar 23, 2023 at 09:10:47AM +0200, Tony Lindgren wrote: > --- /dev/null > +++ b/drivers/tty/serial/serial_base.c > @@ -0,0 +1,142 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later Given that the driver core is "GPL-2.0-only", why is this -or-later? Sorry, I have to ask. > + > +/* > + * Serial core base layer for controllers > + * > + * The serial core bus manages the serial core controller instances. No copyright notice? That's fine, but again, I have to ask. thanks, greg k-h