diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 25f3152089c2..c676fa89ee0b 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