ath9k: re-run nfcal only when stuck beacons become more frequent

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26250 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/563-ath9k_reduce_bstuck_nfcal.patch b/package/mac80211/patches/563-ath9k_reduce_bstuck_nfcal.patch
new file mode 100644 (file)
index 0000000..b744c4c
--- /dev/null
+++ b/package/mac80211/patches/563-ath9k_reduce_bstuck_nfcal.patch
@@ -0,0 +1,12 @@
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -368,7 +368,8 @@ void ath_beacon_tasklet(unsigned long da
+                               "missed %u consecutive beacons\n",
+                               sc->beacon.bmisscnt);
+                       ath9k_hw_stop_dma_queue(ah, sc->beacon.beaconq);
+-                      ath9k_hw_bstuck_nfcal(ah);
++                      if (sc->beacon.bmisscnt > 4)
++                              ath9k_hw_bstuck_nfcal(ah);
+               } else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
+                       ath_dbg(common, ATH_DBG_BSTUCK,
+                               "beacon is officially stuck\n");