On Mon, Mar 14, 2016 at 4:16 PM, Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> Documentation/serial/driver | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/serial/driver b/Documentation/serial/driver
> index 61d520dea4c6e13a..50f3d94ed50b341e 100644
> --- a/Documentation/serial/driver
> +++ b/Documentation/serial/driver
> @@ -126,6 +126,13 @@ hardware.
> Interrupts: locally disabled.
> This call must not sleep
>
> + throttle(port)
> + Notify the serial driver that input buffers for the line discipline are
> + close to full, and it should somehow signal that no more characters
> + should be sent to the serial port.
> +
> + Locking: none.
> +
In the mean time I discovered this (and .unthrottle()) is used with hardware
assisted flow control only, and when it was introduced.
Will update the documentation accordingly.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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