On Fri, 2007-07-27 at 12:22 -0600, Robert Hancock wrote: > Maciej W. Rozycki wrote: > > The TTY line discipline driver could do that based on the amount of > > received data present in its buffer. And it should if asked to (a brief > > look at drivers/char/n_tty.c reveals it does; obviously there may be a bug > > Really, where? In my look through the code I haven't found any mechanism > that would result in RTS being lowered based on TTY buffers filling up, > at least not in the 8250 case. serial_core.c:uart_throttle() serial_core.c:uart_unthrottle() These are called by N_TTY in response to buffer levels. -- Paul Fulghum Microgate Systems, Ltd - To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html