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serial: doc: Document .unthrottle()
author
Geert Uytterhoeven
<geert+renesas@glider.be>
Mon, 14 Mar 2016 15:16:12 +0000
(16:16 +0100)
committer
Jonathan Corbet
<corbet@lwn.net>
Thu, 31 Mar 2016 06:58:17 +0000
(
00:58
-0600)
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/serial/driver
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diff --git
a/Documentation/serial/driver
b/Documentation/serial/driver
index 50f3d94ed50b341e15c52cf295c123ddef397bdd..3b2a97d5ecc7949158b4d2ac6a0d4ccb2d104df4 100644
(file)
--- 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