tty: Document defunct ASYNC_SPLIT_TERMIOS flag in uapi header

The last vestige of ASYNC_SPLIT_TERMIOS was removed by commit
'cris: Remove obsolete ASYNC_SPLIT_TERMIOS behavior'. Mark the flag
as defunct in the uapi header.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/include/uapi/linux/tty_flags.h b/include/uapi/linux/tty_flags.h
index 4e021e3..d2bc4ff 100644 (file)
--- a/include/uapi/linux/tty_flags.h
+++ b/include/uapi/linux/tty_flags.h
@@ -14,7 +14,7 @@
                                    * on the callout port */
 #define ASYNCB_FOURPORT                 1 /* Set OU1, OUT2 per AST Fourport settings */
 #define ASYNCB_SAK              2 /* Secure Attention Key (Orange book) */
-#define ASYNCB_SPLIT_TERMIOS    3 /* Separate termios for dialin/callout */
+#define ASYNCB_SPLIT_TERMIOS    3 /* [x] Separate termios for dialin/callout */
 #define ASYNCB_SPD_HI           4 /* Use 56000 instead of 38400 bps */
 #define ASYNCB_SPD_VHI          5 /* Use 115200 instead of 38400 bps */
 #define ASYNCB_SKIP_TEST        6 /* Skip UART test during autoconfiguration */