ath9k: Fix rate control debugging

Update the rate statistics only when debugfs has been enabled
in ath9k and mac80211 and move the stat() functions under proper
conditionals.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/rc.c

@@ -982,16 +982,6 @@ static void ath_rc_update_per(struct ath_softc *sc,
 	}
 }
 
-static void ath_debug_stat_retries(struct ath_rate_priv *rc, int rix,
-				   int xretries, int retries, u8 per)
-{
-	struct ath_rc_stats *stats = &rc->rcstats[rix];
-
-	stats->xretries += xretries;
-	stats->retries += retries;
-	stats->per = per;
-}
-
 static void ath_rc_update_ht(struct ath_softc *sc,
 			     struct ath_rate_priv *ath_rc_priv,
 			     struct ieee80211_tx_info *tx_info,
@@ -1065,14 +1055,6 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 
 }
 
-static void ath_debug_stat_rc(struct ath_rate_priv *rc, int final_rate)
-{
-	struct ath_rc_stats *stats;
-
-	stats = &rc->rcstats[final_rate];
-	stats->success++;
-}
-
 static void ath_rc_tx_status(struct ath_softc *sc,
 			     struct ath_rate_priv *ath_rc_priv,
 			     struct sk_buff *skb)
@@ -1352,6 +1334,24 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 
 #if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
 
+void ath_debug_stat_rc(struct ath_rate_priv *rc, int final_rate)
+{
+	struct ath_rc_stats *stats;
+
+	stats = &rc->rcstats[final_rate];
+	stats->success++;
+}
+
+void ath_debug_stat_retries(struct ath_rate_priv *rc, int rix,
+			    int xretries, int retries, u8 per)
+{
+	struct ath_rc_stats *stats = &rc->rcstats[rix];
+
+	stats->xretries += xretries;
+	stats->retries += retries;
+	stats->per = per;
+}
+
 static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
 				size_t count, loff_t *ppos)
 {

drivers/net/wireless/ath/ath9k/rc.h

@@ -213,10 +213,24 @@ struct ath_rate_priv {
 
 #if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
 	struct dentry *debugfs_rcstats;
-#endif
 	struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
+#endif
 };
 
+#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
+void ath_debug_stat_rc(struct ath_rate_priv *rc, int final_rate);
+void ath_debug_stat_retries(struct ath_rate_priv *rc, int rix,
+			    int xretries, int retries, u8 per);
+#else
+static inline void ath_debug_stat_rc(struct ath_rate_priv *rc, int final_rate)
+{
+}
+static inline void ath_debug_stat_retries(struct ath_rate_priv *rc, int rix,
+					  int xretries, int retries, u8 per)
+{
+}
+#endif
+
 #ifdef CONFIG_ATH9K_RATE_CONTROL
 int ath_rate_control_register(void);
 void ath_rate_control_unregister(void);