ath: make gcc check format arguments of ath_print(), fix all misuses

Numeric channel is hard to get, so it won't be printed.  Replace Mhz
with MHz on the affected lines and add commas as needed.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -206,7 +206,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 	r = ath9k_hw_reset(ah, hchan, fastcc);
 	if (r) {
 		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to reset channel (%u Mhz) "
+			  "Unable to reset channel (%u MHz), "
 			  "reset status %d\n",
 			  channel->center_freq, r);
 		spin_unlock_bh(&sc->sc_resetlock);
@@ -869,7 +869,7 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
 	r = ath9k_hw_reset(ah, ah->curchan, false);
 	if (r) {
 		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to reset channel %u (%uMhz) ",
+			  "Unable to reset channel (%u MHz), "
 			  "reset status %d\n",
 			  channel->center_freq, r);
 	}
@@ -924,7 +924,7 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
 	r = ath9k_hw_reset(ah, ah->curchan, false);
 	if (r) {
 		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
-			  "Unable to reset channel %u (%uMhz) "
+			  "Unable to reset channel (%u MHz), "
 			  "reset status %d\n",
 			  channel->center_freq, r);
 	}

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

@@ -429,7 +429,7 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 		sc->ps_flags &= ~PS_WAIT_FOR_PSPOLL_DATA;
 		ath_print(common, ATH_DBG_PS,
 			  "Going back to sleep after having received "
-			  "PS-Poll data (0x%x)\n",
+			  "PS-Poll data (0x%lx)\n",
 			sc->ps_flags & (PS_WAIT_FOR_BEACON |
 					PS_WAIT_FOR_CAB |
 					PS_WAIT_FOR_PSPOLL_DATA |

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

@@ -1857,7 +1857,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 		sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
 		ath_print(common, ATH_DBG_PS,
 			  "Going back to sleep after having "
-			  "received TX status (0x%x)\n",
+			  "received TX status (0x%lx)\n",
 			sc->ps_flags & (PS_WAIT_FOR_BEACON |
 					PS_WAIT_FOR_CAB |
 					PS_WAIT_FOR_PSPOLL_DATA |

drivers/net/wireless/ath/debug.h

@@ -65,11 +65,11 @@ enum ATH_DEBUG {
 #define ATH_DBG_DEFAULT (ATH_DBG_FATAL)
 
 #ifdef CONFIG_ATH_DEBUG
-void ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...);
+void ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...)
+	__attribute__ ((format (printf, 3, 4)));
 #else
-static inline void ath_print(struct ath_common *common,
-			     int dbg_mask,
-			     const char *fmt, ...)
+static inline void __attribute__ ((format (printf, 3, 4)))
+ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...)
 {
 }
 #endif /* CONFIG_ATH_DEBUG */