serial: doc: Document .unthrottle()

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
9 years ago · e27585c797
parent 39c5144e5f
commit e27585c797
1 changed files with 7 additions and 0 deletions
--- a/Documentation/serial/driver
+++ b/Documentation/serial/driver
@ -133,6 +133,13 @@ hardware.

 	Locking: none.

+  unthrottle(port)
+	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.
+
+	Locking: none.
+
  send_xchar(port,ch)
 	Transmit a high priority character, even if the port is stopped.
 	This is used to implement XON/XOFF flow control and tcflow().  If