[PATCHv3 2/4] tty: n_gsm: update doc example to use header for N_GSM0710 define

[Martin HundebÃll]

There is no reason to gues the line discipline number when it is
available from tty.h

Signed-off-by: Martin HundebÃll <martin@xxxxxxxxxx>
---
 Documentation/serial/n_gsm.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/serial/n_gsm.rst b/Documentation/serial/n_gsm.rst
index 4f37198423f7..0ba731ab00b2 100644
--- a/Documentation/serial/n_gsm.rst
+++ b/Documentation/serial/n_gsm.rst
@@ -23,7 +23,7 @@ Major parts of the initialization program :
 (a good starting point is util-linux-ng/sys-utils/ldattach.c)::
 
   #include <linux/gsmmux.h>
-  #define N_GSM0710	21	/* GSM 0710 Mux */
+  #include <linux/tty.h>
   #define DEFAULT_SPEED	B115200
   #define SERIAL_PORT	/dev/ttyS0
 
-- 
2.22.0