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authorGeert Uytterhoeven <geert+renesas@glider.be>2016-03-14 16:16:12 +0100
committerJonathan Corbet <corbet@lwn.net>2016-03-31 00:58:17 -0600
commite27585c7970decd26113ca036a1cb5678d88ee5a (patch)
tree5ad6fc536a19428c39dd2b5ca704d28a8c9d898b /Documentation
parent39c5144e5f0bc2dec9ebe3613d5f9c0f0b0bdc72 (diff)
serial: doc: Document .unthrottle()
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/serial/driver7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index 50f3d94ed50b..3b2a97d5ecc7 100644
--- 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