map_guard          82 drivers/tty/serial/dz.c 	atomic_t		map_guard;
map_guard         667 drivers/tty/serial/dz.c 	int map_guard;
map_guard         672 drivers/tty/serial/dz.c 	map_guard = atomic_add_return(-1, &mux->map_guard);
map_guard         673 drivers/tty/serial/dz.c 	if (!map_guard)
map_guard         692 drivers/tty/serial/dz.c 	int map_guard;
map_guard         695 drivers/tty/serial/dz.c 	map_guard = atomic_add_return(1, &mux->map_guard);
map_guard         696 drivers/tty/serial/dz.c 	if (map_guard == 1) {
map_guard         699 drivers/tty/serial/dz.c 			atomic_add(-1, &mux->map_guard);
map_guard         707 drivers/tty/serial/dz.c 		map_guard = atomic_add_return(-1, &mux->map_guard);
map_guard         708 drivers/tty/serial/dz.c 		if (!map_guard)
map_guard         102 drivers/tty/serial/sb1250-duart.c 	refcount_t		map_guard;
map_guard         659 drivers/tty/serial/sb1250-duart.c 	if(refcount_dec_and_test(&duart->map_guard))
map_guard         702 drivers/tty/serial/sb1250-duart.c 	refcount_inc(&duart->map_guard);
map_guard         703 drivers/tty/serial/sb1250-duart.c 	if (refcount_read(&duart->map_guard) == 1) {
map_guard         706 drivers/tty/serial/sb1250-duart.c 			refcount_dec(&duart->map_guard);
map_guard         714 drivers/tty/serial/sb1250-duart.c 			if (refcount_dec_and_test(&duart->map_guard))