Document that .throttle() and .unthrottle() are relevant only if hardware assisted flow control is enabled.
Signed-off-by: Geert Uytterhoeven <[email protected]> --- Documentation/serial/driver | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/serial/driver b/Documentation/serial/driver index 03369d076ca20a98..03b703cf93182216 100644 --- a/Documentation/serial/driver +++ b/Documentation/serial/driver @@ -135,6 +135,7 @@ hardware. 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. + This will be called only if hardware assisted flow control is enabled. Locking: none. @@ -142,6 +143,7 @@ hardware. Notify the serial driver that characters can now be sent to the serial port without fear of overrunning the input buffers of the line disciplines. + This will be called only if hardware assisted flow control is enabled. Locking: none. -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
