serial/documentation: fix documented name of DCD cpp symbol
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Alan Cox <alan@linux.intel.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index 77ba0af..0a25a91 100644
--- a/Documentation/serial/driver
+++ b/Documentation/serial/driver
@@ -101,7 +101,7 @@
Returns the current state of modem control inputs. The state
of the outputs should not be returned, since the core keeps
track of their state. The state information should include:
- - TIOCM_DCD state of DCD signal
+ - TIOCM_CAR state of DCD signal
- TIOCM_CTS state of CTS signal
- TIOCM_DSR state of DSR signal
- TIOCM_RI state of RI signal