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
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