ath9k: add some more ani fixes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32159 3c298f89-4303-0410-b956-a3cf2f4a3e73

7 files changed, 1412 insertions, 0 deletions

diff --git a/package/mac80211/patches/572-ath9k_ani_cleanup_weak_signal_detect.patch b/package/mac80211/patches/572-ath9k_ani_cleanup_weak_signal_detect.patch
new file mode 100644
index 0000000000..2e071817f7
--- /dev/null
+++ b/package/mac80211/patches/572-ath9k_ani_cleanup_weak_signal_detect.patch
@@ -0,0 +1,192 @@
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -185,7 +185,7 @@ static void ath9k_hw_ani_ofdm_err_trigge
+ 	}
+ 	rssi = BEACON_RSSI(ah);
+ 	if (rssi > aniState->rssiThrHigh) {
+-		if (!aniState->ofdmWeakSigDetectOff) {
++		if (aniState->ofdmWeakSigDetect) {
+ 			if (ath9k_hw_ani_control(ah,
+ 					 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+ 					 false)) {
+@@ -200,7 +200,7 @@ static void ath9k_hw_ani_ofdm_err_trigge
+ 			return;
+ 		}
+ 	} else if (rssi > aniState->rssiThrLow) {
+-		if (aniState->ofdmWeakSigDetectOff)
++		if (!aniState->ofdmWeakSigDetect)
+ 			ath9k_hw_ani_control(ah,
+ 				     ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+ 				     true);
+@@ -211,7 +211,7 @@ static void ath9k_hw_ani_ofdm_err_trigge
+ 	} else {
+ 		if ((conf->channel->band == IEEE80211_BAND_2GHZ) &&
+ 		    !conf_is_ht(conf)) {
+-			if (!aniState->ofdmWeakSigDetectOff)
++			if (aniState->ofdmWeakSigDetect)
+ 				ath9k_hw_ani_control(ah,
+ 				     ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+ 				     false);
+@@ -296,7 +296,7 @@ static void ath9k_hw_set_ofdm_nil(struct
+ 	    BEACON_RSSI(ah) <= aniState->rssiThrHigh)
+ 		weak_sig = true;
+ 
+-	if (!aniState->ofdmWeakSigDetectOff != weak_sig)
++	if (aniState->ofdmWeakSigDetect != weak_sig)
+ 			ath9k_hw_ani_control(ah,
+ 				ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+ 				entry_ofdm->ofdm_weak_signal_on);
+@@ -401,7 +401,7 @@ static void ath9k_hw_ani_lower_immunity_
+ 		if (rssi > aniState->rssiThrHigh) {
+ 			/* XXX: Handle me */
+ 		} else if (rssi > aniState->rssiThrLow) {
+-			if (aniState->ofdmWeakSigDetectOff) {
++			if (!aniState->ofdmWeakSigDetect) {
+ 				if (ath9k_hw_ani_control(ah,
+ 					 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+ 					 true))
+@@ -509,9 +509,9 @@ static void ath9k_ani_reset_old(struct a
+ 	if (aniState->spurImmunityLevel != 0)
+ 		ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
+ 				     aniState->spurImmunityLevel);
+-	if (aniState->ofdmWeakSigDetectOff)
++	if (!aniState->ofdmWeakSigDetect)
+ 		ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+-				     !aniState->ofdmWeakSigDetectOff);
++				     aniState->ofdmWeakSigDetect);
+ 	if (aniState->cckWeakSigThreshold)
+ 		ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
+ 				     aniState->cckWeakSigThreshold);
+@@ -887,8 +887,7 @@ void ath9k_hw_ani_init(struct ath_hw *ah
+ 
+ 		ani->rssiThrHigh = ATH9K_ANI_RSSI_THR_HIGH;
+ 		ani->rssiThrLow = ATH9K_ANI_RSSI_THR_LOW;
+-		ani->ofdmWeakSigDetectOff =
+-			!ATH9K_ANI_USE_OFDM_WEAK_SIG;
++		ani->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
+ 		ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL;
+ 		ani->ofdmNoiseImmunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL;
+ 		ani->update_ani = false;
+--- a/drivers/net/wireless/ath/ath9k/ani.h
++++ b/drivers/net/wireless/ath/ath9k/ani.h
+@@ -122,7 +122,7 @@ struct ar5416AniState {
+ 	u8 mrcCCKOff;
+ 	u8 spurImmunityLevel;
+ 	u8 firstepLevel;
+-	u8 ofdmWeakSigDetectOff;
++	u8 ofdmWeakSigDetect;
+ 	u8 cckWeakSigThreshold;
+ 	bool update_ani;
+ 	u32 listenTime;
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -1042,12 +1042,12 @@ static bool ar5008_hw_ani_control_old(st
+ 			REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
+ 				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
+ 
+-		if (!on != aniState->ofdmWeakSigDetectOff) {
++		if (on != aniState->ofdmWeakSigDetect) {
+ 			if (on)
+ 				ah->stats.ast_ani_ofdmon++;
+ 			else
+ 				ah->stats.ast_ani_ofdmoff++;
+-			aniState->ofdmWeakSigDetectOff = !on;
++			aniState->ofdmWeakSigDetect = on;
+ 		}
+ 		break;
+ 	}
+@@ -1114,10 +1114,10 @@ static bool ar5008_hw_ani_control_old(st
+ 
+ 	ath_dbg(common, ANI, "ANI parameters:\n");
+ 	ath_dbg(common, ANI,
+-		"noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetectOff=%d\n",
++		"noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetect=%d\n",
+ 		aniState->noiseImmunityLevel,
+ 		aniState->spurImmunityLevel,
+-		!aniState->ofdmWeakSigDetectOff);
++		aniState->ofdmWeakSigDetect);
+ 	ath_dbg(common, ANI,
+ 		"cckWeakSigThreshold=%d, firstepLevel=%d, listenTime=%d\n",
+ 		aniState->cckWeakSigThreshold,
+@@ -1206,18 +1206,18 @@ static bool ar5008_hw_ani_control_new(st
+ 			REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
+ 				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
+ 
+-		if (!on != aniState->ofdmWeakSigDetectOff) {
++		if (on != aniState->ofdmWeakSigDetect) {
+ 			ath_dbg(common, ANI,
+ 				"** ch %d: ofdm weak signal: %s=>%s\n",
+ 				chan->channel,
+-				!aniState->ofdmWeakSigDetectOff ?
++				aniState->ofdmWeakSigDetect ?
+ 				"on" : "off",
+ 				on ? "on" : "off");
+ 			if (on)
+ 				ah->stats.ast_ani_ofdmon++;
+ 			else
+ 				ah->stats.ast_ani_ofdmoff++;
+-			aniState->ofdmWeakSigDetectOff = !on;
++			aniState->ofdmWeakSigDetect = on;
+ 		}
+ 		break;
+ 	}
+@@ -1367,7 +1367,7 @@ static bool ar5008_hw_ani_control_new(st
+ 	ath_dbg(common, ANI,
+ 		"ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
+ 		aniState->spurImmunityLevel,
+-		!aniState->ofdmWeakSigDetectOff ? "on" : "off",
++		aniState->ofdmWeakSigDetect ? "on" : "off",
+ 		aniState->firstepLevel,
+ 		!aniState->mrcCCKOff ? "on" : "off",
+ 		aniState->listenTime,
+@@ -1456,7 +1456,7 @@ static void ar5008_hw_ani_cache_ini_regs
+ 	/* these levels just got reset to defaults by the INI */
+ 	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
+ 	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
+-	aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG;
++	aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
+ 	aniState->mrcCCKOff = true; /* not available on pre AR9003 */
+ }
+ 
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -821,18 +821,18 @@ static bool ar9003_hw_ani_control(struct
+ 			REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
+ 				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
+ 
+-		if (!on != aniState->ofdmWeakSigDetectOff) {
++		if (on != aniState->ofdmWeakSigDetect) {
+ 			ath_dbg(common, ANI,
+ 				"** ch %d: ofdm weak signal: %s=>%s\n",
+ 				chan->channel,
+-				!aniState->ofdmWeakSigDetectOff ?
++				aniState->ofdmWeakSigDetect ?
+ 				"on" : "off",
+ 				on ? "on" : "off");
+ 			if (on)
+ 				ah->stats.ast_ani_ofdmon++;
+ 			else
+ 				ah->stats.ast_ani_ofdmoff++;
+-			aniState->ofdmWeakSigDetectOff = !on;
++			aniState->ofdmWeakSigDetect = on;
+ 		}
+ 		break;
+ 	}
+@@ -998,7 +998,7 @@ static bool ar9003_hw_ani_control(struct
+ 	ath_dbg(common, ANI,
+ 		"ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
+ 		aniState->spurImmunityLevel,
+-		!aniState->ofdmWeakSigDetectOff ? "on" : "off",
++		aniState->ofdmWeakSigDetect ? "on" : "off",
+ 		aniState->firstepLevel,
+ 		!aniState->mrcCCKOff ? "on" : "off",
+ 		aniState->listenTime,
+@@ -1109,7 +1109,7 @@ static void ar9003_hw_ani_cache_ini_regs
+ 	/* these levels just got reset to defaults by the INI */
+ 	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
+ 	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
+-	aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG;
++	aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
+ 	aniState->mrcCCKOff = !ATH9K_ANI_ENABLE_MRC_CCK;
+ }
+ 
diff --git a/package/mac80211/patches/573-ath9k_ani_fix_mode_checks.patch b/package/mac80211/patches/573-ath9k_ani_fix_mode_checks.patch
new file mode 100644
index 0000000000..7596996141
--- /dev/null
+++ b/package/mac80211/patches/573-ath9k_ani_fix_mode_checks.patch
@@ -0,0 +1,49 @@
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -176,7 +176,7 @@ static void ath9k_hw_ani_ofdm_err_trigge
+ 		}
+ 	}
+ 
+-	if (ah->opmode == NL80211_IFTYPE_AP) {
++	if (ah->opmode != NL80211_IFTYPE_STATION) {
+ 		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
+ 			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+ 					     aniState->firstepLevel + 1);
+@@ -236,7 +236,7 @@ static void ath9k_hw_ani_cck_err_trigger
+ 			return;
+ 		}
+ 	}
+-	if (ah->opmode == NL80211_IFTYPE_AP) {
++	if (ah->opmode != NL80211_IFTYPE_STATION) {
+ 		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
+ 			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+ 					     aniState->firstepLevel + 1);
+@@ -335,8 +335,7 @@ static void ath9k_hw_set_cck_nil(struct 
+ 		BEACON_RSSI(ah), aniState->rssiThrLow,
+ 		aniState->rssiThrHigh);
+ 
+-	if ((ah->opmode == NL80211_IFTYPE_STATION ||
+-	     ah->opmode == NL80211_IFTYPE_ADHOC) &&
++	if (ah->opmode == NL80211_IFTYPE_STATION &&
+ 	    BEACON_RSSI(ah) <= aniState->rssiThrLow &&
+ 	    immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
+ 		immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
+@@ -390,7 +389,7 @@ static void ath9k_hw_ani_lower_immunity_
+ 
+ 	aniState = &ah->curchan->ani;
+ 
+-	if (ah->opmode == NL80211_IFTYPE_AP) {
++	if (ah->opmode != NL80211_IFTYPE_STATION) {
+ 		if (aniState->firstepLevel > 0) {
+ 			if (ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+ 						 aniState->firstepLevel - 1))
+@@ -474,8 +473,7 @@ static void ath9k_ani_reset_old(struct a
+ 
+ 	aniState = &ah->curchan->ani;
+ 
+-	if (ah->opmode != NL80211_IFTYPE_STATION
+-	    && ah->opmode != NL80211_IFTYPE_ADHOC) {
++	if (ah->opmode != NL80211_IFTYPE_STATION) {
+ 		ath_dbg(common, ANI, "Reset ANI state opmode %u\n", ah->opmode);
+ 		ah->stats.ast_ani_reset++;
+ 
diff --git a/package/mac80211/patches/574-ath9k_remove_old_ani.patch b/package/mac80211/patches/574-ath9k_remove_old_ani.patch
new file mode 100644
index 0000000000..e90e48c7d2
--- /dev/null
+++ b/package/mac80211/patches/574-ath9k_remove_old_ani.patch
@@ -0,0 +1,627 @@
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -104,11 +104,6 @@ static const struct ani_cck_level_entry 
+ #define ATH9K_ANI_CCK_DEF_LEVEL \
+ 	2 /* default level - matches the INI settings */
+ 
+-static bool use_new_ani(struct ath_hw *ah)
+-{
+-	return AR_SREV_9300_20_OR_LATER(ah) || modparam_force_new_ani;
+-}
+-
+ static void ath9k_hw_update_mibstats(struct ath_hw *ah,
+ 				     struct ath9k_mib_stats *stats)
+ {
+@@ -131,11 +126,6 @@ static void ath9k_ani_restart(struct ath
+ 	aniState = &ah->curchan->ani;
+ 	aniState->listenTime = 0;
+ 
+-	if (!use_new_ani(ah)) {
+-		ofdm_base = AR_PHY_COUNTMAX - ah->config.ofdm_trig_high;
+-		cck_base = AR_PHY_COUNTMAX - ah->config.cck_trig_high;
+-	}
+-
+ 	ath_dbg(common, ANI, "Writing ofdmbase=%u   cckbase=%u\n",
+ 		ofdm_base, cck_base);
+ 
+@@ -154,110 +144,6 @@ static void ath9k_ani_restart(struct ath
+ 	aniState->cckPhyErrCount = 0;
+ }
+ 
+-static void ath9k_hw_ani_ofdm_err_trigger_old(struct ath_hw *ah)
+-{
+-	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
+-	struct ar5416AniState *aniState;
+-	int32_t rssi;
+-
+-	aniState = &ah->curchan->ani;
+-
+-	if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
+-		if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
+-					 aniState->noiseImmunityLevel + 1)) {
+-			return;
+-		}
+-	}
+-
+-	if (aniState->spurImmunityLevel < HAL_SPUR_IMMUNE_MAX) {
+-		if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
+-					 aniState->spurImmunityLevel + 1)) {
+-			return;
+-		}
+-	}
+-
+-	if (ah->opmode != NL80211_IFTYPE_STATION) {
+-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
+-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+-					     aniState->firstepLevel + 1);
+-		}
+-		return;
+-	}
+-	rssi = BEACON_RSSI(ah);
+-	if (rssi > aniState->rssiThrHigh) {
+-		if (aniState->ofdmWeakSigDetect) {
+-			if (ath9k_hw_ani_control(ah,
+-					 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+-					 false)) {
+-				ath9k_hw_ani_control(ah,
+-					ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0);
+-				return;
+-			}
+-		}
+-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
+-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+-					     aniState->firstepLevel + 1);
+-			return;
+-		}
+-	} else if (rssi > aniState->rssiThrLow) {
+-		if (!aniState->ofdmWeakSigDetect)
+-			ath9k_hw_ani_control(ah,
+-				     ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+-				     true);
+-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
+-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+-					     aniState->firstepLevel + 1);
+-		return;
+-	} else {
+-		if ((conf->channel->band == IEEE80211_BAND_2GHZ) &&
+-		    !conf_is_ht(conf)) {
+-			if (aniState->ofdmWeakSigDetect)
+-				ath9k_hw_ani_control(ah,
+-				     ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+-				     false);
+-			if (aniState->firstepLevel > 0)
+-				ath9k_hw_ani_control(ah,
+-					     ATH9K_ANI_FIRSTEP_LEVEL, 0);
+-			return;
+-		}
+-	}
+-}
+-
+-static void ath9k_hw_ani_cck_err_trigger_old(struct ath_hw *ah)
+-{
+-	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
+-	struct ar5416AniState *aniState;
+-	int32_t rssi;
+-
+-	aniState = &ah->curchan->ani;
+-	if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
+-		if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
+-					 aniState->noiseImmunityLevel + 1)) {
+-			return;
+-		}
+-	}
+-	if (ah->opmode != NL80211_IFTYPE_STATION) {
+-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
+-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+-					     aniState->firstepLevel + 1);
+-		}
+-		return;
+-	}
+-	rssi = BEACON_RSSI(ah);
+-	if (rssi > aniState->rssiThrLow) {
+-		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
+-			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+-					     aniState->firstepLevel + 1);
+-	} else {
+-		if ((conf->channel->band == IEEE80211_BAND_2GHZ) &&
+-		    !conf_is_ht(conf)) {
+-			if (aniState->firstepLevel > 0)
+-				ath9k_hw_ani_control(ah,
+-					     ATH9K_ANI_FIRSTEP_LEVEL, 0);
+-		}
+-	}
+-}
+-
+ /* Adjust the OFDM Noise Immunity Level */
+ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
+ {
+@@ -309,11 +195,6 @@ static void ath9k_hw_ani_ofdm_err_trigge
+ 	if (!DO_ANI(ah))
+ 		return;
+ 
+-	if (!use_new_ani(ah)) {
+-		ath9k_hw_ani_ofdm_err_trigger_old(ah);
+-		return;
+-	}
+-
+ 	aniState = &ah->curchan->ani;
+ 
+ 	if (aniState->ofdmNoiseImmunityLevel < ATH9K_ANI_OFDM_MAX_LEVEL)
+@@ -371,70 +252,12 @@ static void ath9k_hw_ani_cck_err_trigger
+ 	if (!DO_ANI(ah))
+ 		return;
+ 
+-	if (!use_new_ani(ah)) {
+-		ath9k_hw_ani_cck_err_trigger_old(ah);
+-		return;
+-	}
+-
+ 	aniState = &ah->curchan->ani;
+ 
+ 	if (aniState->cckNoiseImmunityLevel < ATH9K_ANI_CCK_MAX_LEVEL)
+ 		ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1);
+ }
+ 
+-static void ath9k_hw_ani_lower_immunity_old(struct ath_hw *ah)
+-{
+-	struct ar5416AniState *aniState;
+-	int32_t rssi;
+-
+-	aniState = &ah->curchan->ani;
+-
+-	if (ah->opmode != NL80211_IFTYPE_STATION) {
+-		if (aniState->firstepLevel > 0) {
+-			if (ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+-						 aniState->firstepLevel - 1))
+-				return;
+-		}
+-	} else {
+-		rssi = BEACON_RSSI(ah);
+-		if (rssi > aniState->rssiThrHigh) {
+-			/* XXX: Handle me */
+-		} else if (rssi > aniState->rssiThrLow) {
+-			if (!aniState->ofdmWeakSigDetect) {
+-				if (ath9k_hw_ani_control(ah,
+-					 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+-					 true))
+-					return;
+-			}
+-			if (aniState->firstepLevel > 0) {
+-				if (ath9k_hw_ani_control(ah,
+-					 ATH9K_ANI_FIRSTEP_LEVEL,
+-					 aniState->firstepLevel - 1))
+-					return;
+-			}
+-		} else {
+-			if (aniState->firstepLevel > 0) {
+-				if (ath9k_hw_ani_control(ah,
+-					 ATH9K_ANI_FIRSTEP_LEVEL,
+-					 aniState->firstepLevel - 1))
+-					return;
+-			}
+-		}
+-	}
+-
+-	if (aniState->spurImmunityLevel > 0) {
+-		if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
+-					 aniState->spurImmunityLevel - 1))
+-			return;
+-	}
+-
+-	if (aniState->noiseImmunityLevel > 0) {
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
+-				     aniState->noiseImmunityLevel - 1);
+-		return;
+-	}
+-}
+-
+ /*
+  * only lower either OFDM or CCK errors per turn
+  * we lower the other one next time
+@@ -445,11 +268,6 @@ static void ath9k_hw_ani_lower_immunity(
+ 
+ 	aniState = &ah->curchan->ani;
+ 
+-	if (!use_new_ani(ah)) {
+-		ath9k_hw_ani_lower_immunity_old(ah);
+-		return;
+-	}
+-
+ 	/* lower OFDM noise immunity */
+ 	if (aniState->ofdmNoiseImmunityLevel > 0 &&
+ 	    (aniState->ofdmsTurn || aniState->cckNoiseImmunityLevel == 0)) {
+@@ -462,71 +280,6 @@ static void ath9k_hw_ani_lower_immunity(
+ 		ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel - 1);
+ }
+ 
+-static void ath9k_ani_reset_old(struct ath_hw *ah, bool is_scanning)
+-{
+-	struct ar5416AniState *aniState;
+-	struct ath9k_channel *chan = ah->curchan;
+-	struct ath_common *common = ath9k_hw_common(ah);
+-
+-	if (!DO_ANI(ah))
+-		return;
+-
+-	aniState = &ah->curchan->ani;
+-
+-	if (ah->opmode != NL80211_IFTYPE_STATION) {
+-		ath_dbg(common, ANI, "Reset ANI state opmode %u\n", ah->opmode);
+-		ah->stats.ast_ani_reset++;
+-
+-		if (ah->opmode == NL80211_IFTYPE_AP) {
+-			/*
+-			 * ath9k_hw_ani_control() will only process items set on
+-			 * ah->ani_function
+-			 */
+-			if (IS_CHAN_2GHZ(chan))
+-				ah->ani_function = (ATH9K_ANI_SPUR_IMMUNITY_LEVEL |
+-						    ATH9K_ANI_FIRSTEP_LEVEL);
+-			else
+-				ah->ani_function = 0;
+-		}
+-
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, 0);
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0);
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, 0);
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+-				     !ATH9K_ANI_USE_OFDM_WEAK_SIG);
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
+-				     ATH9K_ANI_CCK_WEAK_SIG_THR);
+-
+-		ath9k_ani_restart(ah);
+-		return;
+-	}
+-
+-	if (aniState->noiseImmunityLevel != 0)
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
+-				     aniState->noiseImmunityLevel);
+-	if (aniState->spurImmunityLevel != 0)
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
+-				     aniState->spurImmunityLevel);
+-	if (!aniState->ofdmWeakSigDetect)
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+-				     aniState->ofdmWeakSigDetect);
+-	if (aniState->cckWeakSigThreshold)
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
+-				     aniState->cckWeakSigThreshold);
+-	if (aniState->firstepLevel != 0)
+-		ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+-				     aniState->firstepLevel);
+-
+-	ath9k_ani_restart(ah);
+-
+-	ENABLE_REGWRITE_BUFFER(ah);
+-
+-	REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
+-	REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
+-
+-	REGWRITE_BUFFER_FLUSH(ah);
+-}
+-
+ /*
+  * Restore the ANI parameters in the HAL and reset the statistics.
+  * This routine should be called for every hardware reset and for
+@@ -541,9 +294,6 @@ void ath9k_ani_reset(struct ath_hw *ah, 
+ 	if (!DO_ANI(ah))
+ 		return;
+ 
+-	if (!use_new_ani(ah))
+-		return ath9k_ani_reset_old(ah, is_scanning);
+-
+ 	BUG_ON(aniState == NULL);
+ 	ah->stats.ast_ani_reset++;
+ 
+@@ -640,11 +390,6 @@ static bool ath9k_hw_ani_read_counters(s
+ 		return false;
+ 	}
+ 
+-	if (!use_new_ani(ah)) {
+-		ofdm_base = AR_PHY_COUNTMAX - ah->config.ofdm_trig_high;
+-		cck_base = AR_PHY_COUNTMAX - ah->config.cck_trig_high;
+-	}
+-
+ 	aniState->listenTime += listenTime;
+ 
+ 	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
+@@ -652,26 +397,6 @@ static bool ath9k_hw_ani_read_counters(s
+ 	phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
+ 	phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
+ 
+-	if (!use_new_ani(ah) && (phyCnt1 < ofdm_base || phyCnt2 < cck_base)) {
+-		if (phyCnt1 < ofdm_base) {
+-			ath_dbg(common, ANI,
+-				"phyCnt1 0x%x, resetting counter value to 0x%x\n",
+-				phyCnt1, ofdm_base);
+-			REG_WRITE(ah, AR_PHY_ERR_1, ofdm_base);
+-			REG_WRITE(ah, AR_PHY_ERR_MASK_1,
+-				  AR_PHY_ERR_OFDM_TIMING);
+-		}
+-		if (phyCnt2 < cck_base) {
+-			ath_dbg(common, ANI,
+-				"phyCnt2 0x%x, resetting counter value to 0x%x\n",
+-				phyCnt2, cck_base);
+-			REG_WRITE(ah, AR_PHY_ERR_2, cck_base);
+-			REG_WRITE(ah, AR_PHY_ERR_MASK_2,
+-				  AR_PHY_ERR_CCK_TIMING);
+-		}
+-		return false;
+-	}
+-
+ 	ofdmPhyErrCnt = phyCnt1 - ofdm_base;
+ 	ah->stats.ast_ani_ofdmerrs +=
+ 		ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
+@@ -810,9 +535,6 @@ void ath9k_hw_proc_mib_event(struct ath_
+ 	if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) ||
+ 	    ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) {
+ 
+-		if (!use_new_ani(ah))
+-			ath9k_hw_ani_read_counters(ah);
+-
+ 		/* NB: always restart to insure the h/w counters are reset */
+ 		ath9k_ani_restart(ah);
+ 	}
+@@ -843,45 +565,28 @@ void ath9k_hw_ani_init(struct ath_hw *ah
+ 
+ 	ath_dbg(common, ANI, "Initialize ANI\n");
+ 
+-	if (use_new_ani(ah)) {
+-		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_NEW;
+-		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_NEW;
++	ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_NEW;
++	ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_NEW;
+ 
+-		ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH_NEW;
+-		ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW_NEW;
+-	} else {
+-		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_OLD;
+-		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_OLD;
+-
+-		ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH_OLD;
+-		ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW_OLD;
+-	}
++	ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH_NEW;
++	ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW_NEW;
+ 
+ 	for (i = 0; i < ARRAY_SIZE(ah->channels); i++) {
+ 		struct ath9k_channel *chan = &ah->channels[i];
+ 		struct ar5416AniState *ani = &chan->ani;
+ 
+-		if (use_new_ani(ah)) {
+-			ani->spurImmunityLevel =
+-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
++		ani->spurImmunityLevel =
++			ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
+ 
+-			ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
++		ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
+ 
+-			if (AR_SREV_9300_20_OR_LATER(ah))
+-				ani->mrcCCKOff =
+-					!ATH9K_ANI_ENABLE_MRC_CCK;
+-			else
+-				ani->mrcCCKOff = true;
+-
+-			ani->ofdmsTurn = true;
+-		} else {
+-			ani->spurImmunityLevel =
+-				ATH9K_ANI_SPUR_IMMUNE_LVL_OLD;
+-			ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_OLD;
++		if (AR_SREV_9300_20_OR_LATER(ah))
++			ani->mrcCCKOff =
++				!ATH9K_ANI_ENABLE_MRC_CCK;
++		else
++			ani->mrcCCKOff = true;
+ 
+-			ani->cckWeakSigThreshold =
+-				ATH9K_ANI_CCK_WEAK_SIG_THR;
+-		}
++		ani->ofdmsTurn = true;
+ 
+ 		ani->rssiThrHigh = ATH9K_ANI_RSSI_THR_HIGH;
+ 		ani->rssiThrLow = ATH9K_ANI_RSSI_THR_LOW;
+@@ -895,13 +600,8 @@ void ath9k_hw_ani_init(struct ath_hw *ah
+ 	 * since we expect some ongoing maintenance on the tables, let's sanity
+ 	 * check here default level should not modify INI setting.
+ 	 */
+-	if (use_new_ani(ah)) {
+-		ah->aniperiod = ATH9K_ANI_PERIOD_NEW;
+-		ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_NEW;
+-	} else {
+-		ah->aniperiod = ATH9K_ANI_PERIOD_OLD;
+-		ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_OLD;
+-	}
++	ah->aniperiod = ATH9K_ANI_PERIOD_NEW;
++	ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_NEW;
+ 
+ 	if (ah->config.enable_ani)
+ 		ah->proc_phyerr |= HAL_PROCESS_ANI;
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -995,141 +995,6 @@ static u32 ar5008_hw_compute_pll_control
+ 	return pll;
+ }
+ 
+-static bool ar5008_hw_ani_control_old(struct ath_hw *ah,
+-				      enum ath9k_ani_cmd cmd,
+-				      int param)
+-{
+-	struct ar5416AniState *aniState = &ah->curchan->ani;
+-	struct ath_common *common = ath9k_hw_common(ah);
+-
+-	switch (cmd & ah->ani_function) {
+-	case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
+-		u32 level = param;
+-
+-		if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
+-			ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
+-				level, ARRAY_SIZE(ah->totalSizeDesired));
+-			return false;
+-		}
+-
+-		REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
+-			      AR_PHY_DESIRED_SZ_TOT_DES,
+-			      ah->totalSizeDesired[level]);
+-		REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
+-			      AR_PHY_AGC_CTL1_COARSE_LOW,
+-			      ah->coarse_low[level]);
+-		REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
+-			      AR_PHY_AGC_CTL1_COARSE_HIGH,
+-			      ah->coarse_high[level]);
+-		REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
+-			      AR_PHY_FIND_SIG_FIRPWR,
+-			      ah->firpwr[level]);
+-
+-		if (level > aniState->noiseImmunityLevel)
+-			ah->stats.ast_ani_niup++;
+-		else if (level < aniState->noiseImmunityLevel)
+-			ah->stats.ast_ani_nidown++;
+-		aniState->noiseImmunityLevel = level;
+-		break;
+-	}
+-	case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
+-		u32 on = param ? 1 : 0;
+-
+-		if (on)
+-			REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
+-				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
+-		else
+-			REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
+-				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
+-
+-		if (on != aniState->ofdmWeakSigDetect) {
+-			if (on)
+-				ah->stats.ast_ani_ofdmon++;
+-			else
+-				ah->stats.ast_ani_ofdmoff++;
+-			aniState->ofdmWeakSigDetect = on;
+-		}
+-		break;
+-	}
+-	case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
+-		static const int weakSigThrCck[] = { 8, 6 };
+-		u32 high = param ? 1 : 0;
+-
+-		REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
+-			      AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
+-			      weakSigThrCck[high]);
+-		if (high != aniState->cckWeakSigThreshold) {
+-			if (high)
+-				ah->stats.ast_ani_cckhigh++;
+-			else
+-				ah->stats.ast_ani_ccklow++;
+-			aniState->cckWeakSigThreshold = high;
+-		}
+-		break;
+-	}
+-	case ATH9K_ANI_FIRSTEP_LEVEL:{
+-		static const int firstep[] = { 0, 4, 8 };
+-		u32 level = param;
+-
+-		if (level >= ARRAY_SIZE(firstep)) {
+-			ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
+-				level, ARRAY_SIZE(firstep));
+-			return false;
+-		}
+-		REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
+-			      AR_PHY_FIND_SIG_FIRSTEP,
+-			      firstep[level]);
+-		if (level > aniState->firstepLevel)
+-			ah->stats.ast_ani_stepup++;
+-		else if (level < aniState->firstepLevel)
+-			ah->stats.ast_ani_stepdown++;
+-		aniState->firstepLevel = level;
+-		break;
+-	}
+-	case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
+-		static const int cycpwrThr1[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
+-		u32 level = param;
+-
+-		if (level >= ARRAY_SIZE(cycpwrThr1)) {
+-			ath_dbg(common, ANI, "level out of range (%u > %zu)\n",
+-				level, ARRAY_SIZE(cycpwrThr1));
+-			return false;
+-		}
+-		REG_RMW_FIELD(ah, AR_PHY_TIMING5,
+-			      AR_PHY_TIMING5_CYCPWR_THR1,
+-			      cycpwrThr1[level]);
+-		if (level > aniState->spurImmunityLevel)
+-			ah->stats.ast_ani_spurup++;
+-		else if (level < aniState->spurImmunityLevel)
+-			ah->stats.ast_ani_spurdown++;
+-		aniState->spurImmunityLevel = level;
+-		break;
+-	}
+-	case ATH9K_ANI_PRESENT:
+-		break;
+-	default:
+-		ath_dbg(common, ANI, "invalid cmd %u\n", cmd);
+-		return false;
+-	}
+-
+-	ath_dbg(common, ANI, "ANI parameters:\n");
+-	ath_dbg(common, ANI,
+-		"noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetect=%d\n",
+-		aniState->noiseImmunityLevel,
+-		aniState->spurImmunityLevel,
+-		aniState->ofdmWeakSigDetect);
+-	ath_dbg(common, ANI,
+-		"cckWeakSigThreshold=%d, firstepLevel=%d, listenTime=%d\n",
+-		aniState->cckWeakSigThreshold,
+-		aniState->firstepLevel,
+-		aniState->listenTime);
+-	ath_dbg(common, ANI, "ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
+-		aniState->ofdmPhyErrCount,
+-		aniState->cckPhyErrCount);
+-
+-	return true;
+-}
+-
+ static bool ar5008_hw_ani_control_new(struct ath_hw *ah,
+ 				      enum ath9k_ani_cmd cmd,
+ 				      int param)
+@@ -1545,11 +1410,8 @@ void ar5008_hw_attach_phy_ops(struct ath
+ 	priv_ops->do_getnf = ar5008_hw_do_getnf;
+ 	priv_ops->set_radar_params = ar5008_hw_set_radar_params;
+ 
+-	if (modparam_force_new_ani) {
+-		priv_ops->ani_control = ar5008_hw_ani_control_new;
+-		priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
+-	} else
+-		priv_ops->ani_control = ar5008_hw_ani_control_old;
++	priv_ops->ani_control = ar5008_hw_ani_control_new;
++	priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
+ 
+ 	if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
+ 		priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
+--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
++++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+@@ -21,10 +21,6 @@
+ #include "ar9002_initvals.h"
+ #include "ar9002_phy.h"
+ 
+-int modparam_force_new_ani;
+-module_param_named(force_new_ani, modparam_force_new_ani, int, 0444);
+-MODULE_PARM_DESC(force_new_ani, "Force new ANI for AR5008, AR9001, AR9002");
+-
+ /* General hardware code for the A5008/AR9001/AR9002 hadware families */
+ 
+ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -1021,14 +1021,7 @@ void ar9002_hw_attach_ops(struct ath_hw 
+ void ar9003_hw_attach_ops(struct ath_hw *ah);
+ 
+ void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan);
+-/*
+- * ANI work can be shared between all families but a next
+- * generation implementation of ANI will be used only for AR9003 only
+- * for now as the other families still need to be tested with the same
+- * next generation ANI. Feel free to start testing it though for the
+- * older families (AR5008, AR9001, AR9002) by using modparam_force_new_ani.
+- */
+-extern int modparam_force_new_ani;
++
+ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning);
+ void ath9k_hw_proc_mib_event(struct ath_hw *ah);
+ void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan);
diff --git a/package/mac80211/patches/575-ath9k_ani_cleanup.patch b/package/mac80211/patches/575-ath9k_ani_cleanup.patch
new file mode 100644
index 0000000000..1cd85b3d3f
--- /dev/null
+++ b/package/mac80211/patches/575-ath9k_ani_cleanup.patch
@@ -0,0 +1,320 @@
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -117,8 +117,6 @@ static void ath9k_hw_update_mibstats(str
+ static void ath9k_ani_restart(struct ath_hw *ah)
+ {
+ 	struct ar5416AniState *aniState;
+-	struct ath_common *common = ath9k_hw_common(ah);
+-	u32 ofdm_base = 0, cck_base = 0;
+ 
+ 	if (!DO_ANI(ah))
+ 		return;
+@@ -126,13 +124,10 @@ static void ath9k_ani_restart(struct ath
+ 	aniState = &ah->curchan->ani;
+ 	aniState->listenTime = 0;
+ 
+-	ath_dbg(common, ANI, "Writing ofdmbase=%u   cckbase=%u\n",
+-		ofdm_base, cck_base);
+-
+ 	ENABLE_REGWRITE_BUFFER(ah);
+ 
+-	REG_WRITE(ah, AR_PHY_ERR_1, ofdm_base);
+-	REG_WRITE(ah, AR_PHY_ERR_2, cck_base);
++	REG_WRITE(ah, AR_PHY_ERR_1, 0);
++	REG_WRITE(ah, AR_PHY_ERR_2, 0);
+ 	REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
+ 	REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
+ 
+@@ -375,9 +370,6 @@ static bool ath9k_hw_ani_read_counters(s
+ {
+ 	struct ath_common *common = ath9k_hw_common(ah);
+ 	struct ar5416AniState *aniState = &ah->curchan->ani;
+-	u32 ofdm_base = 0;
+-	u32 cck_base = 0;
+-	u32 ofdmPhyErrCnt, cckPhyErrCnt;
+ 	u32 phyCnt1, phyCnt2;
+ 	int32_t listenTime;
+ 
+@@ -397,15 +389,12 @@ static bool ath9k_hw_ani_read_counters(s
+ 	phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
+ 	phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
+ 
+-	ofdmPhyErrCnt = phyCnt1 - ofdm_base;
+-	ah->stats.ast_ani_ofdmerrs +=
+-		ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
+-	aniState->ofdmPhyErrCount = ofdmPhyErrCnt;
+-
+-	cckPhyErrCnt = phyCnt2 - cck_base;
+-	ah->stats.ast_ani_cckerrs +=
+-		cckPhyErrCnt - aniState->cckPhyErrCount;
+-	aniState->cckPhyErrCount = cckPhyErrCnt;
++	ah->stats.ast_ani_ofdmerrs += phyCnt1 - aniState->ofdmPhyErrCount;
++	aniState->ofdmPhyErrCount = phyCnt1;
++
++	ah->stats.ast_ani_cckerrs += phyCnt2 - aniState->cckPhyErrCount;
++	aniState->cckPhyErrCount = phyCnt2;
++
+ 	return true;
+ }
+ 
+@@ -565,20 +554,19 @@ void ath9k_hw_ani_init(struct ath_hw *ah
+ 
+ 	ath_dbg(common, ANI, "Initialize ANI\n");
+ 
+-	ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_NEW;
+-	ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_NEW;
++	ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH;
++	ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW;
+ 
+-	ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH_NEW;
+-	ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW_NEW;
++	ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH;
++	ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW;
+ 
+ 	for (i = 0; i < ARRAY_SIZE(ah->channels); i++) {
+ 		struct ath9k_channel *chan = &ah->channels[i];
+ 		struct ar5416AniState *ani = &chan->ani;
+ 
+-		ani->spurImmunityLevel =
+-			ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
++		ani->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
+ 
+-		ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
++		ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
+ 
+ 		if (AR_SREV_9300_20_OR_LATER(ah))
+ 			ani->mrcCCKOff =
+@@ -600,8 +588,8 @@ void ath9k_hw_ani_init(struct ath_hw *ah
+ 	 * since we expect some ongoing maintenance on the tables, let's sanity
+ 	 * check here default level should not modify INI setting.
+ 	 */
+-	ah->aniperiod = ATH9K_ANI_PERIOD_NEW;
+-	ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_NEW;
++	ah->aniperiod = ATH9K_ANI_PERIOD;
++	ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL;
+ 
+ 	if (ah->config.enable_ani)
+ 		ah->proc_phyerr |= HAL_PROCESS_ANI;
+--- a/drivers/net/wireless/ath/ath9k/ani.h
++++ b/drivers/net/wireless/ath/ath9k/ani.h
+@@ -24,42 +24,34 @@
+ #define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
+ 
+ /* units are errors per second */
+-#define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
+-#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      3500
++#define ATH9K_ANI_OFDM_TRIG_HIGH          3500
+ #define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
+ 
+ /* units are errors per second */
+-#define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
+-#define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
++#define ATH9K_ANI_OFDM_TRIG_LOW           400
+ #define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
+ 
+ /* units are errors per second */
+-#define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
+-#define ATH9K_ANI_CCK_TRIG_HIGH_NEW       600
++#define ATH9K_ANI_CCK_TRIG_HIGH           600
+ 
+ /* units are errors per second */
+-#define ATH9K_ANI_CCK_TRIG_LOW_OLD        100
+-#define ATH9K_ANI_CCK_TRIG_LOW_NEW        300
++#define ATH9K_ANI_CCK_TRIG_LOW            300
+ 
+ #define ATH9K_ANI_NOISE_IMMUNE_LVL        4
+ #define ATH9K_ANI_USE_OFDM_WEAK_SIG       true
+ #define ATH9K_ANI_CCK_WEAK_SIG_THR        false
+ 
+-#define ATH9K_ANI_SPUR_IMMUNE_LVL_OLD     7
+-#define ATH9K_ANI_SPUR_IMMUNE_LVL_NEW     3
++#define ATH9K_ANI_SPUR_IMMUNE_LVL         3
+ 
+-#define ATH9K_ANI_FIRSTEP_LVL_OLD         0
+-#define ATH9K_ANI_FIRSTEP_LVL_NEW         2
++#define ATH9K_ANI_FIRSTEP_LVL             2
+ 
+ #define ATH9K_ANI_RSSI_THR_HIGH           40
+ #define ATH9K_ANI_RSSI_THR_LOW            7
+ 
+-#define ATH9K_ANI_PERIOD_OLD              100
+-#define ATH9K_ANI_PERIOD_NEW              300
++#define ATH9K_ANI_PERIOD                  300
+ 
+ /* in ms */
+-#define ATH9K_ANI_POLLINTERVAL_OLD        100
+-#define ATH9K_ANI_POLLINTERVAL_NEW        1000
++#define ATH9K_ANI_POLLINTERVAL            1000
+ 
+ #define HAL_NOISE_IMMUNE_MAX              4
+ #define HAL_SPUR_IMMUNE_MAX               7
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -1101,7 +1101,7 @@ static bool ar5008_hw_ani_control_new(st
+ 		 * from INI file & cap value
+ 		 */
+ 		value = firstep_table[level] -
+-			firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
++			firstep_table[ATH9K_ANI_FIRSTEP_LVL] +
+ 			aniState->iniDef.firstep;
+ 		if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN)
+ 			value = ATH9K_SIG_FIRSTEP_SETTING_MIN;
+@@ -1116,7 +1116,7 @@ static bool ar5008_hw_ani_control_new(st
+ 		 * from INI file & cap value
+ 		 */
+ 		value2 = firstep_table[level] -
+-			 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
++			 firstep_table[ATH9K_ANI_FIRSTEP_LVL] +
+ 			 aniState->iniDef.firstepLow;
+ 		if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN)
+ 			value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN;
+@@ -1132,7 +1132,7 @@ static bool ar5008_hw_ani_control_new(st
+ 				chan->channel,
+ 				aniState->firstepLevel,
+ 				level,
+-				ATH9K_ANI_FIRSTEP_LVL_NEW,
++				ATH9K_ANI_FIRSTEP_LVL,
+ 				value,
+ 				aniState->iniDef.firstep);
+ 			ath_dbg(common, ANI,
+@@ -1140,7 +1140,7 @@ static bool ar5008_hw_ani_control_new(st
+ 				chan->channel,
+ 				aniState->firstepLevel,
+ 				level,
+-				ATH9K_ANI_FIRSTEP_LVL_NEW,
++				ATH9K_ANI_FIRSTEP_LVL,
+ 				value2,
+ 				aniState->iniDef.firstepLow);
+ 			if (level > aniState->firstepLevel)
+@@ -1165,7 +1165,7 @@ static bool ar5008_hw_ani_control_new(st
+ 		 * from INI file & cap value
+ 		 */
+ 		value = cycpwrThr1_table[level] -
+-			cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
++			cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] +
+ 			aniState->iniDef.cycpwrThr1;
+ 		if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
+ 			value = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
+@@ -1181,7 +1181,7 @@ static bool ar5008_hw_ani_control_new(st
+ 		 * from INI file & cap value
+ 		 */
+ 		value2 = cycpwrThr1_table[level] -
+-			 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
++			 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] +
+ 			 aniState->iniDef.cycpwrThr1Ext;
+ 		if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
+ 			value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
+@@ -1196,7 +1196,7 @@ static bool ar5008_hw_ani_control_new(st
+ 				chan->channel,
+ 				aniState->spurImmunityLevel,
+ 				level,
+-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
++				ATH9K_ANI_SPUR_IMMUNE_LVL,
+ 				value,
+ 				aniState->iniDef.cycpwrThr1);
+ 			ath_dbg(common, ANI,
+@@ -1204,7 +1204,7 @@ static bool ar5008_hw_ani_control_new(st
+ 				chan->channel,
+ 				aniState->spurImmunityLevel,
+ 				level,
+-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
++				ATH9K_ANI_SPUR_IMMUNE_LVL,
+ 				value2,
+ 				aniState->iniDef.cycpwrThr1Ext);
+ 			if (level > aniState->spurImmunityLevel)
+@@ -1319,8 +1319,8 @@ static void ar5008_hw_ani_cache_ini_regs
+ 					       AR_PHY_EXT_TIMING5_CYCPWR_THR1);
+ 
+ 	/* these levels just got reset to defaults by the INI */
+-	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
+-	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
++	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
++	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
+ 	aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
+ 	aniState->mrcCCKOff = true; /* not available on pre AR9003 */
+ }
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -851,7 +851,7 @@ static bool ar9003_hw_ani_control(struct
+ 		 * from INI file & cap value
+ 		 */
+ 		value = firstep_table[level] -
+-			firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
++			firstep_table[ATH9K_ANI_FIRSTEP_LVL] +
+ 			aniState->iniDef.firstep;
+ 		if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN)
+ 			value = ATH9K_SIG_FIRSTEP_SETTING_MIN;
+@@ -866,7 +866,7 @@ static bool ar9003_hw_ani_control(struct
+ 		 * from INI file & cap value
+ 		 */
+ 		value2 = firstep_table[level] -
+-			 firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
++			 firstep_table[ATH9K_ANI_FIRSTEP_LVL] +
+ 			 aniState->iniDef.firstepLow;
+ 		if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN)
+ 			value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN;
+@@ -882,7 +882,7 @@ static bool ar9003_hw_ani_control(struct
+ 				chan->channel,
+ 				aniState->firstepLevel,
+ 				level,
+-				ATH9K_ANI_FIRSTEP_LVL_NEW,
++				ATH9K_ANI_FIRSTEP_LVL,
+ 				value,
+ 				aniState->iniDef.firstep);
+ 			ath_dbg(common, ANI,
+@@ -890,7 +890,7 @@ static bool ar9003_hw_ani_control(struct
+ 				chan->channel,
+ 				aniState->firstepLevel,
+ 				level,
+-				ATH9K_ANI_FIRSTEP_LVL_NEW,
++				ATH9K_ANI_FIRSTEP_LVL,
+ 				value2,
+ 				aniState->iniDef.firstepLow);
+ 			if (level > aniState->firstepLevel)
+@@ -915,7 +915,7 @@ static bool ar9003_hw_ani_control(struct
+ 		 * from INI file & cap value
+ 		 */
+ 		value = cycpwrThr1_table[level] -
+-			cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
++			cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] +
+ 			aniState->iniDef.cycpwrThr1;
+ 		if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
+ 			value = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
+@@ -931,7 +931,7 @@ static bool ar9003_hw_ani_control(struct
+ 		 * from INI file & cap value
+ 		 */
+ 		value2 = cycpwrThr1_table[level] -
+-			 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
++			 cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL] +
+ 			 aniState->iniDef.cycpwrThr1Ext;
+ 		if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
+ 			value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
+@@ -946,7 +946,7 @@ static bool ar9003_hw_ani_control(struct
+ 				chan->channel,
+ 				aniState->spurImmunityLevel,
+ 				level,
+-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
++				ATH9K_ANI_SPUR_IMMUNE_LVL,
+ 				value,
+ 				aniState->iniDef.cycpwrThr1);
+ 			ath_dbg(common, ANI,
+@@ -954,7 +954,7 @@ static bool ar9003_hw_ani_control(struct
+ 				chan->channel,
+ 				aniState->spurImmunityLevel,
+ 				level,
+-				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
++				ATH9K_ANI_SPUR_IMMUNE_LVL,
+ 				value2,
+ 				aniState->iniDef.cycpwrThr1Ext);
+ 			if (level > aniState->spurImmunityLevel)
+@@ -1107,8 +1107,8 @@ static void ar9003_hw_ani_cache_ini_regs
+ 					       AR_PHY_EXT_CYCPWR_THR1);
+ 
+ 	/* these levels just got reset to defaults by the INI */
+-	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
+-	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
++	aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
++	aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
+ 	aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
+ 	aniState->mrcCCKOff = !ATH9K_ANI_ENABLE_MRC_CCK;
+ }
diff --git a/package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch b/package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch
new file mode 100644
index 0000000000..d071e0ca57
--- /dev/null
+++ b/package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch
@@ -0,0 +1,114 @@
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -490,46 +490,6 @@ void ath9k_hw_disable_mib_counters(struc
+ }
+ EXPORT_SYMBOL(ath9k_hw_disable_mib_counters);
+ 
+-/*
+- * Process a MIB interrupt.  We may potentially be invoked because
+- * any of the MIB counters overflow/trigger so don't assume we're
+- * here because a PHY error counter triggered.
+- */
+-void ath9k_hw_proc_mib_event(struct ath_hw *ah)
+-{
+-	u32 phyCnt1, phyCnt2;
+-
+-	/* Reset these counters regardless */
+-	REG_WRITE(ah, AR_FILT_OFDM, 0);
+-	REG_WRITE(ah, AR_FILT_CCK, 0);
+-	if (!(REG_READ(ah, AR_SLP_MIB_CTRL) & AR_SLP_MIB_PENDING))
+-		REG_WRITE(ah, AR_SLP_MIB_CTRL, AR_SLP_MIB_CLEAR);
+-
+-	/* Clear the mib counters and save them in the stats */
+-	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
+-
+-	if (!DO_ANI(ah)) {
+-		/*
+-		 * We must always clear the interrupt cause by
+-		 * resetting the phy error regs.
+-		 */
+-		REG_WRITE(ah, AR_PHY_ERR_1, 0);
+-		REG_WRITE(ah, AR_PHY_ERR_2, 0);
+-		return;
+-	}
+-
+-	/* NB: these are not reset-on-read */
+-	phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
+-	phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
+-	if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) ||
+-	    ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) {
+-
+-		/* NB: always restart to insure the h/w counters are reset */
+-		ath9k_ani_restart(ah);
+-	}
+-}
+-EXPORT_SYMBOL(ath9k_hw_proc_mib_event);
+-
+ void ath9k_hw_ani_setup(struct ath_hw *ah)
+ {
+ 	int i;
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -1023,7 +1023,6 @@ void ar9003_hw_attach_ops(struct ath_hw 
+ void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan);
+ 
+ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning);
+-void ath9k_hw_proc_mib_event(struct ath_hw *ah);
+ void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan);
+ 
+ #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -827,24 +827,6 @@ irqreturn_t ath_isr(int irq, void *dev)
+ 		ath9k_hw_set_interrupts(ah);
+ 	}
+ 
+-	if (status & ATH9K_INT_MIB) {
+-		/*
+-		 * Disable interrupts until we service the MIB
+-		 * interrupt; otherwise it will continue to
+-		 * fire.
+-		 */
+-		ath9k_hw_disable_interrupts(ah);
+-		/*
+-		 * Let the hal handle the event. We assume
+-		 * it will clear whatever condition caused
+-		 * the interrupt.
+-		 */
+-		spin_lock(&common->cc_lock);
+-		ath9k_hw_proc_mib_event(ah);
+-		spin_unlock(&common->cc_lock);
+-		ath9k_hw_enable_interrupts(ah);
+-	}
+-
+ 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+ 		if (status & ATH9K_INT_TIM_TIMER) {
+ 			if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle))
+@@ -1347,14 +1329,10 @@ static void ath9k_calculate_summary_stat
+ 	/*
+ 	 * Enable MIB interrupts when there are hardware phy counters.
+ 	 */
+-	if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0) {
+-		if (ah->config.enable_ani)
+-			ah->imask |= ATH9K_INT_MIB;
++	if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0)
+ 		ah->imask |= ATH9K_INT_TSFOOR;
+-	} else {
+-		ah->imask &= ~ATH9K_INT_MIB;
++	else
+ 		ah->imask &= ~ATH9K_INT_TSFOOR;
+-	}
+ 
+ 	ath9k_hw_set_interrupts(ah);
+ 
+--- a/drivers/net/wireless/ath/ath9k/debug.c
++++ b/drivers/net/wireless/ath/ath9k/debug.c
+@@ -348,8 +348,6 @@ void ath_debug_stat_interrupt(struct ath
+ 		sc->debug.stats.istats.txok++;
+ 	if (status & ATH9K_INT_TXURN)
+ 		sc->debug.stats.istats.txurn++;
+-	if (status & ATH9K_INT_MIB)
+-		sc->debug.stats.istats.mib++;
+ 	if (status & ATH9K_INT_RXPHY)
+ 		sc->debug.stats.istats.rxphyerr++;
+ 	if (status & ATH9K_INT_RXKCM)
diff --git a/package/mac80211/patches/577-ath9k_fix_noise_immunity.patch b/package/mac80211/patches/577-ath9k_fix_noise_immunity.patch
new file mode 100644
index 0000000000..d6ef678261
--- /dev/null
+++ b/package/mac80211/patches/577-ath9k_fix_noise_immunity.patch
@@ -0,0 +1,69 @@
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -154,9 +154,7 @@ static void ath9k_hw_set_ofdm_nil(struct
+ 		aniState->rssiThrLow, aniState->rssiThrHigh);
+ 
+ 	if (aniState->update_ani)
+-		aniState->ofdmNoiseImmunityLevel =
+-			(immunityLevel > ATH9K_ANI_OFDM_DEF_LEVEL) ?
+-			immunityLevel : ATH9K_ANI_OFDM_DEF_LEVEL;
++		aniState->ofdmNoiseImmunityLevel = immunityLevel;
+ 
+ 	entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
+ 	entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
+@@ -217,9 +215,7 @@ static void ath9k_hw_set_cck_nil(struct 
+ 		immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
+ 
+ 	if (aniState->update_ani)
+-		aniState->cckNoiseImmunityLevel =
+-			(immunityLevel > ATH9K_ANI_CCK_DEF_LEVEL) ?
+-			immunityLevel : ATH9K_ANI_CCK_DEF_LEVEL;
++		aniState->cckNoiseImmunityLevel = immunityLevel;
+ 
+ 	entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
+ 	entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
+@@ -285,6 +281,7 @@ void ath9k_ani_reset(struct ath_hw *ah, 
+ 	struct ar5416AniState *aniState = &ah->curchan->ani;
+ 	struct ath9k_channel *chan = ah->curchan;
+ 	struct ath_common *common = ath9k_hw_common(ah);
++	int ofdm_nil, cck_nil;
+ 
+ 	if (!DO_ANI(ah))
+ 		return;
+@@ -306,6 +303,11 @@ void ath9k_ani_reset(struct ath_hw *ah, 
+ 	/* always allow mode (on/off) to be controlled */
+ 	ah->ani_function |= ATH9K_ANI_MODE;
+ 
++	ofdm_nil = max_t(int, ATH9K_ANI_OFDM_DEF_LEVEL,
++			 aniState->ofdmNoiseImmunityLevel);
++	cck_nil = max_t(int, ATH9K_ANI_CCK_DEF_LEVEL,
++			 aniState->cckNoiseImmunityLevel);
++
+ 	if (is_scanning ||
+ 	    (ah->opmode != NL80211_IFTYPE_STATION &&
+ 	     ah->opmode != NL80211_IFTYPE_ADHOC)) {
+@@ -329,8 +331,8 @@ void ath9k_ani_reset(struct ath_hw *ah, 
+ 				aniState->cckNoiseImmunityLevel);
+ 
+ 			aniState->update_ani = false;
+-			ath9k_hw_set_ofdm_nil(ah, ATH9K_ANI_OFDM_DEF_LEVEL);
+-			ath9k_hw_set_cck_nil(ah, ATH9K_ANI_CCK_DEF_LEVEL);
++			ofdm_nil = ATH9K_ANI_OFDM_DEF_LEVEL;
++			cck_nil = ATH9K_ANI_CCK_DEF_LEVEL;
+ 		}
+ 	} else {
+ 		/*
+@@ -346,11 +348,9 @@ void ath9k_ani_reset(struct ath_hw *ah, 
+ 			aniState->cckNoiseImmunityLevel);
+ 
+ 			aniState->update_ani = true;
+-			ath9k_hw_set_ofdm_nil(ah,
+-					      aniState->ofdmNoiseImmunityLevel);
+-			ath9k_hw_set_cck_nil(ah,
+-					     aniState->cckNoiseImmunityLevel);
+ 	}
++	ath9k_hw_set_ofdm_nil(ah, ofdm_nil);
++	ath9k_hw_set_cck_nil(ah, cck_nil);
+ 
+ 	/*
+ 	 * enable phy counters if hw supports or if not, enable phy
diff --git a/package/mac80211/patches/578-ath9k_cleanup_ani_ofdm_trig.patch b/package/mac80211/patches/578-ath9k_cleanup_ani_ofdm_trig.patch
new file mode 100644
index 0000000000..9b4b9910fa
--- /dev/null
+++ b/package/mac80211/patches/578-ath9k_cleanup_ani_ofdm_trig.patch
@@ -0,0 +1,41 @@
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -179,6 +179,14 @@ static void ath9k_hw_set_ofdm_nil(struct
+ 			ath9k_hw_ani_control(ah,
+ 				ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+ 				entry_ofdm->ofdm_weak_signal_on);
++
++	if (aniState->ofdmNoiseImmunityLevel >= ATH9K_ANI_OFDM_DEF_LEVEL) {
++		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH;
++		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI;
++	} else {
++		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI;
++		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW;
++	}
+ }
+ 
+ static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)
+@@ -428,21 +436,10 @@ void ath9k_hw_ani_monitor(struct ath_hw 
+ 
+ 	if (aniState->listenTime > ah->aniperiod) {
+ 		if (cckPhyErrRate < ah->config.cck_trig_low &&
+-		    ((ofdmPhyErrRate < ah->config.ofdm_trig_low &&
+-		      aniState->ofdmNoiseImmunityLevel <
+-		      ATH9K_ANI_OFDM_DEF_LEVEL) ||
+-		     (ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI &&
+-		      aniState->ofdmNoiseImmunityLevel >=
+-		      ATH9K_ANI_OFDM_DEF_LEVEL))) {
++		    ofdmPhyErrRate < ah->config.ofdm_trig_low) {
+ 			ath9k_hw_ani_lower_immunity(ah);
+ 			aniState->ofdmsTurn = !aniState->ofdmsTurn;
+-		} else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high &&
+-			    aniState->ofdmNoiseImmunityLevel >=
+-			    ATH9K_ANI_OFDM_DEF_LEVEL) ||
+-			   (ofdmPhyErrRate >
+-			    ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI &&
+-			    aniState->ofdmNoiseImmunityLevel <
+-			    ATH9K_ANI_OFDM_DEF_LEVEL)) {
++		} else if (ofdmPhyErrRate > ah->config.ofdm_trig_high) {
+ 			ath9k_hw_ani_ofdm_err_trigger(ah);
+ 			aniState->ofdmsTurn = false;
+ 		} else if (cckPhyErrRate > ah->config.cck_trig_high) {