tag	line	file	source code
duration	1951	drivers/char/cyclades.c	send_break( struct cyclades_port * info, int duration)
duration	1955	drivers/char/cyclades.c	info->x_break = duration;
duration	1665	drivers/char/serial.c	static void send_break(  struct async_struct * info, int duration)
duration	1670	drivers/char/serial.c	current->timeout = jiffies + duration;