Char: stallion, remove bottomhalf

- tty_hangup schedules a bottomhalf itself, tty_wakeup doesn't need it
- call the CD code (part of work handler previously) directly from the code
  (it wakes somebody up or calls tty_hangup at worse)

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/stallion.h

@@ -95,7 +95,6 @@ struct stlport {
 	struct tty_struct	*tty;
 	wait_queue_head_t	open_wait;
 	wait_queue_head_t	close_wait;
-	struct work_struct	tqueue;
 	comstats_t		stats;
 	struct stlrq		tx;
 };