diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index 65de49a..03369d0 100644
--- a/Documentation/serial/driver
+++ b/Documentation/serial/driver
@@ -28,6 +28,11 @@
 the correct port structure (via uart_get_console) and decoding command line
 arguments (uart_parse_options).
 
+There is also a helper function (uart_console_write) which performs a
+character by character write, translating newlines to CRLF sequences.
+Driver writers are recommended to use this function rather than implementing
+their own version.
+
 
 Locking
 -------