We've been using the 'new locking' for a long time now so it seems
pointless keeping the old one around.  Remove it and undo the macros it
uses back into real code for readability.  Remove the bogus 'no termios
change' checks.
Signed-off-by: NAlan Cox <alan@redhat.com>
Cc: Morten Helgesen <morten@sourcepoet.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>