linux-kernel - [PATCHv2 1/4] tty: n_gsm: remove obsolete mknod doc example

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Date:   Tue,  9 Jul 2019 08:46:30 +0200
From:   Martin Hundebøll <martin@...nix.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, linux-kernel@...r.kernel.org
Cc:     Martin Hundebøll <martin@...nix.com>,
        Sean Nyekjær <sean@...nix.com>,
        Esben Haabendal <esben@...nix.com>
Subject: [PATCHv2 1/4] tty: n_gsm: remove obsolete mknod doc example

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@...nix.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