Sanity check TTY input and bail on problems

Also, introduce module parameter 'accept_flaky_uart'.

If your adapter or its connection is unreliable, set this option to
true to try and make the best of a bad situation, but undefined
behavior is prone to occur.

1 files changed, 15 insertions, 0 deletions

diff --git a/readme.rst b/readme.rst
index d2aced2..23920d8 100644
--- a/readme.rst
+++ b/readme.rst
@@ -92,6 +92,21 @@ sheet. This needs to be done before attaching the line discipline.
 
 
 
+Module parameters
+------------------
+
+- ``accept_flaky_uart`` - Try to live with a bad controller or UART line
+
+	Some adapters and/or their connection are unreliable. Enable this
+	option to try and work around the situation. This is a best-effort
+	workaround, so undefined behavior will likely occur sooner or later.
+
+	LOAD TIME::
+
+		module/kernel parameter: accept_flaky_uart=[0|1]
+
+
+
 Known limitations of the controller
 ------------------------------------