1 files changed, 3 insertions, 0 deletions

diff --git a/Documentation/serial/tty.txt b/Documentation/serial/tty.txt
index 1e52d67d0abf..dbe6623fed1c 100644
--- a/Documentation/serial/tty.txt
+++ b/Documentation/serial/tty.txt
@@ -198,6 +198,9 @@ TTY_IO_ERROR		If set, causes all subsequent userspace read/write
 
 TTY_OTHER_CLOSED        Device is a pty and the other side has closed.
 
+TTY_OTHER_DONE          Device is a pty and the other side has closed and
+                        all pending input processing has been completed.
+
 TTY_NO_WRITE_SPLIT      Prevent driver from splitting up writes into
                         smaller chunks.