lkml.org 
[lkml]   [2019]   [Jul]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCHv2 1/4] tty: n_gsm: remove obsolete mknod doc example
Date
The n_gsm driver handles registration of /dev/gsmttyX nodes, so there's
no need to do mknod manually.

Signed-off-by: Martin Hundebøll <martin@geanix.com>
---

Changes since v1:
* updated bullet numbering

Documentation/serial/n_gsm.rst | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/Documentation/serial/n_gsm.rst b/Documentation/serial/n_gsm.rst
index f3ad9fd26408..4f37198423f7 100644
--- a/Documentation/serial/n_gsm.rst
+++ b/Documentation/serial/n_gsm.rst
@@ -63,24 +63,14 @@ Major parts of the initialization program :
daemon(0,0);
pause();

-4. create the devices corresponding to the "virtual" serial ports (take care,
- each modem has its configuration and some DLC have dedicated functions,
- for example GPS), starting with minor 1 (DLC0 is reserved for the management
- of the mux)::
-
- MAJOR=`cat /proc/devices |grep gsmtty | awk '{print $1}`
- for i in `seq 1 4`; do
- mknod /dev/ttygsm$i c $MAJOR $i
- done
-
-5. use these devices as plain serial ports.
+4. use these devices as plain serial ports.

for example, it's possible:

- and to use gnokii to send / receive SMS on ttygsm1
- to use ppp to establish a datalink on ttygsm2

-6. first close all virtual ports before closing the physical port.
+5. first close all virtual ports before closing the physical port.

Note that after closing the physical port the modem is still in multiplexing
mode. This may prevent a successful re-opening of the port later. To avoid
--
2.22.0
\
 
 \ /
  Last update: 2019-07-09 08:47    [W:0.116 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site