ath9k: add a separate debug level for stuck beacons

Stuck beacons are a useful indicator for debugging various PHY
issues such as calibration. Putting them on the same debug level
as the other beacon stuff makes it hard to spot them in huge amounts
of spam.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -359,11 +359,11 @@ void ath_beacon_tasklet(unsigned long data)
 		sc->beacon.bmisscnt++;
 
 		if (sc->beacon.bmisscnt < BSTUCK_THRESH) {
-			ath_print(common, ATH_DBG_BEACON,
+			ath_print(common, ATH_DBG_BSTUCK,
 				  "missed %u consecutive beacons\n",
 				  sc->beacon.bmisscnt);
 		} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
-			ath_print(common, ATH_DBG_BEACON,
+			ath_print(common, ATH_DBG_BSTUCK,
 				  "beacon is officially stuck\n");
 			sc->sc_flags |= SC_OP_TSF_RESET;
 			ath_reset(sc, false);
@@ -373,7 +373,7 @@ void ath_beacon_tasklet(unsigned long data)
 	}
 
 	if (sc->beacon.bmisscnt != 0) {
-		ath_print(common, ATH_DBG_BEACON,
+		ath_print(common, ATH_DBG_BSTUCK,
 			  "resume beacon xmit after %u misses\n",
 			  sc->beacon.bmisscnt);
 		sc->beacon.bmisscnt = 0;

drivers/net/wireless/ath/debug.h

@@ -36,6 +36,7 @@
  * @ATH_DBG_PS: power save processing
  * @ATH_DBG_HWTIMER: hardware timer handling
  * @ATH_DBG_BTCOEX: bluetooth coexistance
+ * @ATH_DBG_BSTUCK: stuck beacons
  * @ATH_DBG_ANY: enable all debugging
  *
  * The debug level is used to control the amount and type of debugging output
@@ -60,6 +61,7 @@ enum ATH_DEBUG {
 	ATH_DBG_HWTIMER		= 0x00001000,
 	ATH_DBG_BTCOEX		= 0x00002000,
 	ATH_DBG_WMI		= 0x00004000,
+	ATH_DBG_BSTUCK		= 0x00008000,
 	ATH_DBG_ANY		= 0xffffffff
 };