diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 706a445dba37..3c0a0a86ba12 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -3088,8 +3088,8 @@ exit:
 	return idx;
 }
 
-void mwl8k_update_survey(struct mwl8k_priv *priv,
-			 struct ieee80211_channel *channel)
+static void mwl8k_update_survey(struct mwl8k_priv *priv,
+				struct ieee80211_channel *channel)
 {
 	u32 cca_cnt, rx_rdy;
 	s8 nf = 0, idx;