Fixes the following W=1 kernel build warning(s):

 drivers/tty/n_gsm.c:85: warning: Function parameter or member 'ref' not 
described in 'gsm_mux_net'
 drivers/tty/n_gsm.c:85: warning: Function parameter or member 'dlci' not 
described in 'gsm_mux_net'
 drivers/tty/n_gsm.c:664: warning: Function parameter or member 'dlci' not 
described in 'gsm_data_kick'
 drivers/tty/n_gsm.c:1015: warning: Function parameter or member 'clen' not 
described in 'gsm_process_modem'

Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: Jiri Slaby <jirisl...@kernel.org>
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
 drivers/tty/n_gsm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 25f3152089c2a..c676fa89ee0b6 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -74,7 +74,7 @@ module_param(debug, int, 0600);
 #define MAX_MTU 1500
 #define        GSM_NET_TX_TIMEOUT (HZ*10)
 
-/**
+/*
  *     struct gsm_mux_net      -       network interface
  *
  *     Created when net interface is initialized.
@@ -651,6 +651,7 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, 
u8 addr, int len,
 /**
  *     gsm_data_kick           -       poke the queue
  *     @gsm: GSM Mux
+ *     @dlci: DLCI sending the data
  *
  *     The tty device has called us to indicate that room has appeared in
  *     the transmit queue. Ram more data into the pipe if we have any
@@ -1005,6 +1006,7 @@ static void gsm_control_reply(struct gsm_mux *gsm, int 
cmd, const u8 *data,
  *     @tty: virtual tty bound to the DLCI
  *     @dlci: DLCI to affect
  *     @modem: modem bits (full EA)
+ *     @clen: command length
  *
  *     Used when a modem control message or line state inline in adaption
  *     layer 2 is processed. Sort out the local modem state and throttles
-- 
2.25.1

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