K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2016-01-07T20:15:09.650875Z
K 7
svn:log
V 468
Convert tty common code to use make_dev_s().

Tty.c was untypical in that it handled the si_drv1 issue consistently
and correctly, by always checking for si_drv1 being non-NULL and
sleeping if NULL.  The removed code also illustrated unneeded
complications in drivers which are eliminated by the use of new KPI.

Reviewed by:	hps, jhb
Discussed with:	bde
Sponsored by:	The FreeBSD Foundation
MFC after:	3 weeks
Differential revision:	https://reviews.freebsd.org/D4746

END