mac80211: update to 2010-07-29, add pending patches to fix further issues with calibration

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22419 3c298f89-4303-0410-b956-a3cf2f4a3e73

6 files changed, 662 insertions, 617 deletions

diff --git a/package/mac80211/Makefile b/package/mac80211/Makefile
index 8db6eb6ad..84e534538 100644
--- a/package/mac80211/Makefile
+++ b/package/mac80211/Makefile
@@ -10,12 +10,12 @@ include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=mac80211
 
-PKG_VERSION:=2010-07-26
+PKG_VERSION:=2010-07-29
 PKG_RELEASE:=1
 PKG_SOURCE_URL:=http://mirror2.openwrt.org/sources
 #	http://www.orbit-lab.org/kernel/compat-wireless-2.6/2010/11 \
 #	http://wireless.kernel.org/download/compat-wireless-2.6
-PKG_MD5SUM:=4388547c8cf60a895d9ee64420df2f25
+PKG_MD5SUM:=fcfb757939c4718efbf9c87ca59c6932
 
 PKG_SOURCE:=compat-wireless-$(PKG_VERSION).tar.bz2
 PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/compat-wireless-$(PKG_VERSION)
diff --git a/package/mac80211/patches/130-printk_debug_revert.patch b/package/mac80211/patches/130-printk_debug_revert.patch
new file mode 100644
index 000000000..232902e8c
--- /dev/null
+++ b/package/mac80211/patches/130-printk_debug_revert.patch
@@ -0,0 +1,69 @@
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -2443,9 +2443,8 @@ void cfg80211_cqm_rssi_notify(struct net
+ 	wiphy_printk(KERN_NOTICE, wiphy, format, ##args)
+ #define wiphy_info(wiphy, format, args...)			\
+ 	wiphy_printk(KERN_INFO, wiphy, format, ##args)
+-
+-int wiphy_debug(const struct wiphy *wiphy, const char *format, ...)
+-	__attribute__ ((format (printf, 2, 3)));
++#define wiphy_debug(wiphy, format, args...)			\
++	wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
+ 
+ #if defined(DEBUG)
+ #define wiphy_dbg(wiphy, format, args...)			\
+--- a/net/wireless/core.c
++++ b/net/wireless/core.c
+@@ -921,52 +921,3 @@ static void __exit cfg80211_exit(void)
+ 	destroy_workqueue(cfg80211_wq);
+ }
+ module_exit(cfg80211_exit);
+-
+-static int ___wiphy_printk(const char *level, const struct wiphy *wiphy,
+-			   struct va_format *vaf)
+-{
+-	if (!wiphy)
+-		return printk("%s(NULL wiphy *): %pV", level, vaf);
+-
+-	return printk("%s%s: %pV", level, wiphy_name(wiphy), vaf);
+-}
+-
+-int __wiphy_printk(const char *level, const struct wiphy *wiphy,
+-		   const char *fmt, ...)
+-{
+-	struct va_format vaf;
+-	va_list args;
+-	int r;
+-
+-	va_start(args, fmt);
+-
+-	vaf.fmt = fmt;
+-	vaf.va = &args;
+-
+-	r = ___wiphy_printk(level, wiphy, &vaf);
+-	va_end(args);
+-
+-	return r;
+-}
+-EXPORT_SYMBOL(__wiphy_printk);
+-
+-#define define_wiphy_printk_level(func, kern_level)		\
+-int func(const struct wiphy *wiphy, const char *fmt, ...)	\
+-{								\
+-	struct va_format vaf;					\
+-	va_list args;						\
+-	int r;							\
+-								\
+-	va_start(args, fmt);					\
+-								\
+-	vaf.fmt = fmt;						\
+-	vaf.va = &args;						\
+-								\
+-	r = ___wiphy_printk(kern_level, wiphy, &vaf);		\
+-	va_end(args);						\
+-								\
+-	return r;						\
+-}								\
+-EXPORT_SYMBOL(func);
+-
+-define_wiphy_printk_level(wiphy_debug, KERN_DEBUG);
diff --git a/package/mac80211/patches/520-mac80211_offchannel_conf.patch b/package/mac80211/patches/520-mac80211_offchannel_conf.patch
deleted file mode 100644
index deb0d06cb..000000000
--- a/package/mac80211/patches/520-mac80211_offchannel_conf.patch
+++ /dev/null
@@ -1,35 +0,0 @@
---- a/include/net/mac80211.h
-+++ b/include/net/mac80211.h
-@@ -625,11 +625,14 @@ struct ieee80211_rx_status {
-  *	may turn the device off as much as possible. Typically, this flag will
-  *	be set when an interface is set UP but not associated or scanning, but
-  *	it can also be unset in that case when monitor interfaces are active.
-+ * @IEEE80211_CONF_OFFCHANNEL: The device is currently not on its main
-+ *	operating channel.
-  */
- enum ieee80211_conf_flags {
- 	IEEE80211_CONF_MONITOR		= (1<<0),
- 	IEEE80211_CONF_PS		= (1<<1),
- 	IEEE80211_CONF_IDLE		= (1<<2),
-+	IEEE80211_CONF_OFFCHANNEL	= (1<<3),
- };
- 
- 
---- a/net/mac80211/main.c
-+++ b/net/mac80211/main.c
-@@ -111,12 +111,15 @@ int ieee80211_hw_config(struct ieee80211
- 	if (scan_chan) {
- 		chan = scan_chan;
- 		channel_type = NL80211_CHAN_NO_HT;
-+		local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL;
- 	} else if (local->tmp_channel) {
- 		chan = scan_chan = local->tmp_channel;
- 		channel_type = local->tmp_channel_type;
-+		local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL;
- 	} else {
- 		chan = local->oper_channel;
- 		channel_type = local->_oper_channel_type;
-+		local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;
- 	}
- 
- 	if (chan != local->hw.conf.channel ||
diff --git a/package/mac80211/patches/522-ath9k_cleanup_cal_data.patch b/package/mac80211/patches/520-pending_work.patch
index a4b6e456b..bcbbaf66b 100644
--- a/package/mac80211/patches/522-ath9k_cleanup_cal_data.patch
+++ b/package/mac80211/patches/520-pending_work.patch
@@ -1,66 +1,216 @@
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -346,19 +346,24 @@ enum ath9k_int {
- 	 CHANNEL_HT40PLUS |			\
- 	 CHANNEL_HT40MINUS)
+--- a/net/mac80211/main.c
++++ b/net/mac80211/main.c
+@@ -103,11 +103,13 @@ int ieee80211_hw_config(struct ieee80211
+ 	int ret = 0;
+ 	int power;
+ 	enum nl80211_channel_type channel_type;
++	u32 offchannel_flag;
+ 
+ 	might_sleep();
+ 
+ 	scan_chan = local->scan_channel;
+ 
++	offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
+ 	if (scan_chan) {
+ 		chan = scan_chan;
+ 		channel_type = NL80211_CHAN_NO_HT;
+@@ -121,8 +123,9 @@ int ieee80211_hw_config(struct ieee80211
+ 		channel_type = local->_oper_channel_type;
+ 		local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;
+ 	}
++	offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
  
--struct ath9k_channel {
--	struct ieee80211_channel *chan;
-+struct ath9k_hw_cal_data {
- 	u16 channel;
- 	u32 channelFlags;
--	u32 chanmode;
- 	int32_t CalValid;
--	bool oneTimeCalsDone;
- 	int8_t iCoff;
- 	int8_t qCoff;
- 	int16_t rawNoiseFloor;
- 	bool paprd_done;
- 	u16 small_signal_gain[AR9300_MAX_CHAINS];
- 	u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
-+	struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
-+};
+-	if (chan != local->hw.conf.channel ||
++	if (offchannel_flag || chan != local->hw.conf.channel ||
+ 	    channel_type != local->hw.conf.channel_type) {
+ 		local->hw.conf.channel = chan;
+ 		local->hw.conf.channel_type = channel_type;
+--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
++++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+@@ -63,6 +63,7 @@ static bool ar9002_hw_per_calibration(st
+ 				      u8 rxchainmask,
+ 				      struct ath9k_cal_list *currCal)
+ {
++	struct ath9k_hw_cal_data *caldata = ah->caldata;
+ 	bool iscaldone = false;
+ 
+ 	if (currCal->calState == CAL_RUNNING) {
+@@ -81,14 +82,14 @@ static bool ar9002_hw_per_calibration(st
+ 				}
+ 
+ 				currCal->calData->calPostProc(ah, numChains);
+-				ichan->CalValid |= currCal->calData->calType;
++				caldata->CalValid |= currCal->calData->calType;
+ 				currCal->calState = CAL_DONE;
+ 				iscaldone = true;
+ 			} else {
+ 				ar9002_hw_setup_calibration(ah, currCal);
+ 			}
+ 		}
+-	} else if (!(ichan->CalValid & currCal->calData->calType)) {
++	} else if (!(caldata->CalValid & currCal->calData->calType)) {
+ 		ath9k_hw_reset_calibration(ah, currCal);
+ 	}
+ 
+@@ -686,8 +687,13 @@ static bool ar9002_hw_calibrate(struct a
+ {
+ 	bool iscaldone = true;
+ 	struct ath9k_cal_list *currCal = ah->cal_list_curr;
++	bool nfcal, nfcal_pending = false;
+ 
+-	if (currCal &&
++	nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
++	if (ah->caldata)
++		nfcal_pending = ah->caldata->nfcal_pending;
 +
-+struct ath9k_channel {
-+	struct ieee80211_channel *chan;
-+	u16 channel;
-+	u32 channelFlags;
-+	u32 chanmode;
- };
++	if (currCal && !nfcal &&
+ 	    (currCal->calState == CAL_RUNNING ||
+ 	     currCal->calState == CAL_WAITING)) {
+ 		iscaldone = ar9002_hw_per_calibration(ah, chan,
+@@ -703,7 +709,7 @@ static bool ar9002_hw_calibrate(struct a
+ 	}
  
- #define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
-@@ -669,7 +674,7 @@ struct ath_hw {
- 	enum nl80211_iftype opmode;
- 	enum ath9k_power_mode power_mode;
+ 	/* Do NF cal only at longer intervals */
+-	if (longcal) {
++	if (longcal || nfcal_pending) {
+ 		/* Do periodic PAOffset Cal */
+ 		ar9002_hw_pa_cal(ah, false);
+ 		ar9002_hw_olc_temp_compensation(ah);
+@@ -712,16 +718,18 @@ static bool ar9002_hw_calibrate(struct a
+ 		 * Get the value from the previous NF cal and update
+ 		 * history buffer.
+ 		 */
+-		ath9k_hw_getnf(ah, chan);
+-
+-		/*
+-		 * Load the NF from history buffer of the current channel.
+-		 * NF is slow time-variant, so it is OK to use a historical
+-		 * value.
+-		 */
+-		ath9k_hw_loadnf(ah, ah->curchan);
++		if (ath9k_hw_getnf(ah, chan)) {
++			/*
++			 * Load the NF from history buffer of the current
++			 * channel.
++			 * NF is slow time-variant, so it is OK to use a
++			 * historical value.
++			 */
++			ath9k_hw_loadnf(ah, ah->curchan);
++		}
+ 
+-		ath9k_hw_start_nfcal(ah);
++		if (longcal)
++			ath9k_hw_start_nfcal(ah, false);
+ 	}
  
--	struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
-+	struct ath9k_hw_cal_data *caldata;
- 	struct ath9k_pacal_info pacal_info;
- 	struct ar5416Stats stats;
- 	struct ath9k_tx_queue_info txq[ATH9K_NUM_TX_QUEUES];
-@@ -863,7 +868,7 @@ const char *ath9k_hw_probe(u16 vendorid,
- void ath9k_hw_deinit(struct ath_hw *ah);
- int ath9k_hw_init(struct ath_hw *ah);
- int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
--		   bool bChannelChange);
-+		   struct ath9k_hw_cal_data *caldata, bool bChannelChange);
- int ath9k_hw_fill_cap_info(struct ath_hw *ah);
- u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan);
+ 	return iscaldone;
+@@ -869,8 +877,10 @@ static bool ar9002_hw_init_cal(struct at
+ 	ar9002_hw_pa_cal(ah, true);
  
-@@ -958,9 +963,10 @@ void ar9003_hw_bb_watchdog_read(struct a
- void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
- void ar9003_paprd_enable(struct ath_hw *ah, bool val);
- void ar9003_paprd_populate_single_table(struct ath_hw *ah,
--					struct ath9k_channel *chan, int chain);
--int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_channel *chan,
--			      int chain);
-+					struct ath9k_hw_cal_data *caldata,
-+					int chain);
-+int ar9003_paprd_create_curve(struct ath_hw *ah,
-+			      struct ath9k_hw_cal_data *caldata, int chain);
- int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
- int ar9003_paprd_init_table(struct ath_hw *ah);
- bool ar9003_paprd_is_done(struct ath_hw *ah);
+ 	/* Do NF Calibration after DC offset and other calibrations */
+-	REG_WRITE(ah, AR_PHY_AGC_CONTROL,
+-		  REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_NF);
++	ath9k_hw_start_nfcal(ah, true);
++
++	if (ah->caldata)
++		ah->caldata->nfcal_pending = true;
+ 
+ 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
+ 
+@@ -901,7 +911,8 @@ static bool ar9002_hw_init_cal(struct at
+ 			ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
+ 	}
+ 
+-	chan->CalValid = 0;
++	if (ah->caldata)
++		ah->caldata->CalValid = 0;
+ 
+ 	return true;
+ }
+--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+@@ -68,6 +68,7 @@ static bool ar9003_hw_per_calibration(st
+ 				      u8 rxchainmask,
+ 				      struct ath9k_cal_list *currCal)
+ {
++	struct ath9k_hw_cal_data *caldata = ah->caldata;
+ 	/* Cal is assumed not done until explicitly set below */
+ 	bool iscaldone = false;
+ 
+@@ -95,7 +96,7 @@ static bool ar9003_hw_per_calibration(st
+ 				currCal->calData->calPostProc(ah, numChains);
+ 
+ 				/* Calibration has finished. */
+-				ichan->CalValid |= currCal->calData->calType;
++				caldata->CalValid |= currCal->calData->calType;
+ 				currCal->calState = CAL_DONE;
+ 				iscaldone = true;
+ 			} else {
+@@ -106,7 +107,7 @@ static bool ar9003_hw_per_calibration(st
+ 			ar9003_hw_setup_calibration(ah, currCal);
+ 			}
+ 		}
+-	} else if (!(ichan->CalValid & currCal->calData->calType)) {
++	} else if (!(caldata->CalValid & currCal->calData->calType)) {
+ 		/* If current cal is marked invalid in channel, kick it off */
+ 		ath9k_hw_reset_calibration(ah, currCal);
+ 	}
+@@ -149,6 +150,12 @@ static bool ar9003_hw_calibrate(struct a
+ 	/* Do NF cal only at longer intervals */
+ 	if (longcal) {
+ 		/*
++		 * Get the value from the previous NF cal and update
++		 * history buffer.
++		 */
++		ath9k_hw_getnf(ah, chan);
++
++		/*
+ 		 * Load the NF from history buffer of the current channel.
+ 		 * NF is slow time-variant, so it is OK to use a historical
+ 		 * value.
+@@ -156,7 +163,7 @@ static bool ar9003_hw_calibrate(struct a
+ 		ath9k_hw_loadnf(ah, ah->curchan);
+ 
+ 		/* start NF calibration, without updating BB NF register */
+-		ath9k_hw_start_nfcal(ah);
++		ath9k_hw_start_nfcal(ah, false);
+ 	}
+ 
+ 	return iscaldone;
+@@ -762,6 +769,8 @@ static bool ar9003_hw_init_cal(struct at
+ 	/* Revert chainmasks to their original values before NF cal */
+ 	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
+ 
++	ath9k_hw_start_nfcal(ah, true);
++
+ 	/* Initialize list pointers */
+ 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
+ 
+@@ -785,7 +794,8 @@ static bool ar9003_hw_init_cal(struct at
+ 	if (ah->cal_list_curr)
+ 		ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
+ 
+-	chan->CalValid = 0;
++	if (ah->caldata)
++		ah->caldata->CalValid = 0;
+ 
+ 	return true;
+ }
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -542,7 +542,11 @@ static void ar9003_hw_prog_ini(struct at
+ 		u32 reg = INI_RA(iniArr, i, 0);
+ 		u32 val = INI_RA(iniArr, i, column);
+ 
+-		REG_WRITE(ah, reg, val);
++		if (reg >= 0x16000 && reg < 0x17000)
++			ath9k_hw_analog_shift_regwrite(ah, reg, val);
++		else
++			REG_WRITE(ah, reg, val);
++
+ 		DO_DELAY(regWrites);
+ 	}
+ }
 --- a/drivers/net/wireless/ath/ath9k/calib.c
 +++ b/drivers/net/wireless/ath/ath9k/calib.c
 @@ -22,23 +22,6 @@
@@ -116,7 +266,7 @@
  		return true;
  
  	if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))
-@@ -151,7 +147,7 @@ bool ath9k_hw_reset_calvalid(struct ath_
+@@ -151,37 +147,55 @@ bool ath9k_hw_reset_calvalid(struct ath_
  		  "Resetting Cal %d state for channel %u\n",
  		  currCal->calData->calType, conf->channel->center_freq);
  
@@ -125,7 +275,28 @@
  	currCal->calState = CAL_WAITING;
  
  	return false;
-@@ -169,19 +165,28 @@ void ath9k_hw_start_nfcal(struct ath_hw 
+ }
+ EXPORT_SYMBOL(ath9k_hw_reset_calvalid);
+ 
+-void ath9k_hw_start_nfcal(struct ath_hw *ah)
++void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update)
+ {
++	if (ah->caldata)
++		ah->caldata->nfcal_pending = true;
++
+ 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
+ 		    AR_PHY_AGC_CONTROL_ENABLE_NF);
+-	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
++
++	if (update)
++		REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
++		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
++	else
++		REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
+ 		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
++
+ 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
+ }
  
  void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
  {
@@ -157,14 +328,23 @@
  			REG_WRITE(ah, ah->nf_regs[i], val);
  		}
  	}
-@@ -285,14 +290,18 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
+@@ -277,22 +291,25 @@ static void ath9k_hw_nf_sanitize(struct 
+ 	}
+ }
+ 
+-int16_t ath9k_hw_getnf(struct ath_hw *ah,
+-		       struct ath9k_channel *chan)
++bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
+ {
+ 	struct ath_common *common = ath9k_hw_common(ah);
+ 	int16_t nf, nfThresh;
  	int16_t nfarray[NUM_NF_READINGS] = { 0 };
  	struct ath9k_nfcal_hist *h;
  	struct ieee80211_channel *c = chan->chan;
 +	struct ath9k_hw_cal_data *caldata = ah->caldata;
 +
 +	if (!caldata)
-+		return ath9k_hw_get_default_nf(ah, chan);
++		return false;
  
  	chan->channelFlags &= (~CHANNEL_CW_INT);
  	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
@@ -174,23 +354,24 @@
 -		chan->rawNoiseFloor = nf;
 -		return chan->rawNoiseFloor;
 +		caldata->rawNoiseFloor = nf;
-+		return caldata->rawNoiseFloor;
++		return false;
  	} else {
  		ath9k_hw_do_getnf(ah, nfarray);
  		ath9k_hw_nf_sanitize(ah, nfarray);
-@@ -307,47 +316,41 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
+@@ -307,47 +324,40 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
  		}
  	}
  
 -	h = ah->nfCalHist;
+-
 +	h = caldata->nfCalHist;
- 
++	caldata->nfcal_pending = false;
  	ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
 -	chan->rawNoiseFloor = h[0].privNF;
-+	caldata->rawNoiseFloor = h[0].privNF;
- 
+-
 -	return chan->rawNoiseFloor;
-+	return ah->caldata->rawNoiseFloor;
++	caldata->rawNoiseFloor = h[0].privNF;
++	return true;
  }
  
 -void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
@@ -244,9 +425,127 @@
 +	return ah->caldata->rawNoiseFloor;
  }
  EXPORT_SYMBOL(ath9k_hw_getchan_noise);
+--- a/drivers/net/wireless/ath/ath9k/calib.h
++++ b/drivers/net/wireless/ath/ath9k/calib.h
+@@ -108,11 +108,11 @@ struct ath9k_pacal_info{
+ };
+ 
+ bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
+-void ath9k_hw_start_nfcal(struct ath_hw *ah);
++void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update);
+ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
+-int16_t ath9k_hw_getnf(struct ath_hw *ah,
+-		       struct ath9k_channel *chan);
+-void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah);
++bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan);
++void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
++				  struct ath9k_channel *chan);
+ s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
+ void ath9k_hw_reset_calibration(struct ath_hw *ah,
+ 				struct ath9k_cal_list *currCal);
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -622,7 +622,6 @@ static int __ath9k_hw_init(struct ath_hw
+ 	else
+ 		ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
+ 
+-	ath9k_init_nfcal_hist_buffer(ah);
+ 	ah->bb_watchdog_timeout_ms = 25;
+ 
+ 	common->state = ATH_HW_INITIALIZED;
+@@ -1195,9 +1194,6 @@ static bool ath9k_hw_channel_change(stru
+ 
+ 	ath9k_hw_spur_mitigate_freq(ah, chan);
+ 
+-	if (!chan->oneTimeCalsDone)
+-		chan->oneTimeCalsDone = true;
+-
+ 	return true;
+ }
+ 
+@@ -1230,7 +1226,7 @@ bool ath9k_hw_check_alive(struct ath_hw 
+ EXPORT_SYMBOL(ath9k_hw_check_alive);
+ 
+ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
+-		    bool bChannelChange)
++		   struct ath9k_hw_cal_data *caldata, bool bChannelChange)
+ {
+ 	struct ath_common *common = ath9k_hw_common(ah);
+ 	u32 saveLedState;
+@@ -1255,9 +1251,19 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+ 		return -EIO;
+ 
+-	if (curchan && !ah->chip_fullsleep)
++	if (curchan && !ah->chip_fullsleep && ah->caldata)
+ 		ath9k_hw_getnf(ah, curchan);
+ 
++	ah->caldata = caldata;
++	if (caldata &&
++	    (chan->channel != caldata->channel ||
++	     (chan->channelFlags & ~CHANNEL_CW_INT) !=
++	     (caldata->channelFlags & ~CHANNEL_CW_INT))) {
++		/* Operating channel changed, reset channel calibration data */
++		memset(caldata, 0, sizeof(*caldata));
++		ath9k_init_nfcal_hist_buffer(ah, chan);
++	}
++
+ 	if (bChannelChange &&
+ 	    (ah->chip_fullsleep != true) &&
+ 	    (ah->curchan != NULL) &&
+@@ -1268,7 +1274,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ 
+ 		if (ath9k_hw_channel_change(ah, chan)) {
+ 			ath9k_hw_loadnf(ah, ah->curchan);
+-			ath9k_hw_start_nfcal(ah);
++			ath9k_hw_start_nfcal(ah, true);
+ 			return 0;
+ 		}
+ 	}
+@@ -1473,11 +1479,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ 	if (ah->btcoex_hw.enabled)
+ 		ath9k_hw_btcoex_enable(ah);
+ 
+-	if (AR_SREV_9300_20_OR_LATER(ah)) {
+-		ath9k_hw_loadnf(ah, curchan);
+-		ath9k_hw_start_nfcal(ah);
++	if (AR_SREV_9300_20_OR_LATER(ah))
+ 		ar9003_hw_bb_watchdog_config(ah);
+-	}
+ 
+ 	return 0;
+ }
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -184,11 +184,13 @@ static void ath_start_ani(struct ath_com
+@@ -155,6 +155,27 @@ void ath9k_ps_restore(struct ath_softc *
+ 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+ }
+ 
++static void ath_start_ani(struct ath_common *common)
++{
++	struct ath_hw *ah = common->ah;
++	unsigned long timestamp = jiffies_to_msecs(jiffies);
++	struct ath_softc *sc = (struct ath_softc *) common->priv;
++
++	if (!(sc->sc_flags & SC_OP_ANI_RUN))
++		return;
++
++	if (sc->sc_flags & SC_OP_OFFCHANNEL)
++		return;
++
++	common->ani.longcal_timer = timestamp;
++	common->ani.shortcal_timer = timestamp;
++	common->ani.checkani_timer = timestamp;
++
++	mod_timer(&common->ani.timer,
++		  jiffies +
++			msecs_to_jiffies((u32)ah->config.ani_poll_interval));
++}
++
+ /*
+  * Set/change channels.  If the channel is really being changed, it's done
+  * by reseting the chip.  To accomplish this we must first cleanup any pending
+@@ -163,16 +184,23 @@ void ath9k_ps_restore(struct ath_softc *
  int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
  		    struct ath9k_channel *hchan)
  {
@@ -260,8 +559,22 @@
  	int r;
  
  	if (sc->sc_flags & SC_OP_INVALID)
-@@ -221,6 +223,9 @@ int ath_set_channel(struct ath_softc *sc
- 	if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL))
+ 		return -EIO;
+ 
++	del_timer_sync(&common->ani.timer);
++	cancel_work_sync(&sc->paprd_work);
++	cancel_work_sync(&sc->hw_check_work);
++	cancel_delayed_work_sync(&sc->tx_complete_work);
++
+ 	ath9k_ps_wakeup(sc);
+ 
+ 	/*
+@@ -192,9 +220,12 @@ int ath_set_channel(struct ath_softc *sc
+ 	 * to flush data frames already in queue because of
+ 	 * changing channel. */
+ 
+-	if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
++	if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL))
  		fastcc = false;
  
 +	if (!(sc->sc_flags & SC_OP_OFFCHANNEL))
@@ -270,7 +583,7 @@
  	ath_print(common, ATH_DBG_CONFIG,
  		  "(%u MHz) -> (%u MHz), conf_is_ht40: %d\n",
  		  sc->sc_ah->curchan->channel,
-@@ -228,7 +233,7 @@ int ath_set_channel(struct ath_softc *sc
+@@ -202,7 +233,7 @@ int ath_set_channel(struct ath_softc *sc
  
  	spin_lock_bh(&sc->sc_resetlock);
  
@@ -279,7 +592,29 @@
  	if (r) {
  		ath_print(common, ATH_DBG_FATAL,
  			  "Unable to reset channel (%u MHz), "
-@@ -264,9 +269,10 @@ int ath_set_channel(struct ath_softc *sc
+@@ -213,8 +244,6 @@ int ath_set_channel(struct ath_softc *sc
+ 	}
+ 	spin_unlock_bh(&sc->sc_resetlock);
+ 
+-	sc->sc_flags &= ~SC_OP_FULL_RESET;
+-
+ 	if (ath_startrecv(sc) != 0) {
+ 		ath_print(common, ATH_DBG_FATAL,
+ 			  "Unable to restart recv logic\n");
+@@ -226,6 +255,12 @@ int ath_set_channel(struct ath_softc *sc
+ 	ath_update_txpow(sc);
+ 	ath9k_hw_set_interrupts(ah, ah->imask);
+ 
++	if (!(sc->sc_flags & (SC_OP_OFFCHANNEL | SC_OP_SCANNING))) {
++		ath_start_ani(common);
++		ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
++		ath_beacon_config(sc, NULL);
++	}
++
+  ps_restore:
+ 	ath9k_ps_restore(sc);
+ 	return r;
+@@ -234,17 +269,19 @@ int ath_set_channel(struct ath_softc *sc
  static void ath_paprd_activate(struct ath_softc *sc)
  {
  	struct ath_hw *ah = sc->sc_ah;
@@ -291,7 +626,8 @@
  		return;
  
  	ath9k_ps_wakeup(sc);
-@@ -274,7 +280,7 @@ static void ath_paprd_activate(struct at
++	ar9003_paprd_enable(ah, false);
+ 	for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
  		if (!(ah->caps.tx_chainmask & BIT(chain)))
  			continue;
  
@@ -300,7 +636,7 @@
  	}
  
  	ar9003_paprd_enable(ah, true);
-@@ -292,6 +298,7 @@ void ath_paprd_calibrate(struct work_str
+@@ -262,6 +299,7 @@ void ath_paprd_calibrate(struct work_str
  	int band = hw->conf.channel->band;
  	struct ieee80211_supported_band *sband = &sc->sbands[band];
  	struct ath_tx_control txctl;
@@ -308,7 +644,7 @@
  	int qnum, ftype;
  	int chain_ok = 0;
  	int chain;
-@@ -299,6 +306,9 @@ void ath_paprd_calibrate(struct work_str
+@@ -269,6 +307,9 @@ void ath_paprd_calibrate(struct work_str
  	int time_left;
  	int i;
  
@@ -318,7 +654,7 @@
  	skb = alloc_skb(len, GFP_KERNEL);
  	if (!skb)
  		return;
-@@ -353,7 +363,7 @@ void ath_paprd_calibrate(struct work_str
+@@ -323,7 +364,7 @@ void ath_paprd_calibrate(struct work_str
  		if (!ar9003_paprd_is_done(ah))
  			break;
  
@@ -327,7 +663,7 @@
  			break;
  
  		chain_ok = 1;
-@@ -361,7 +371,7 @@ void ath_paprd_calibrate(struct work_str
+@@ -331,7 +372,7 @@ void ath_paprd_calibrate(struct work_str
  	kfree_skb(skb);
  
  	if (chain_ok) {
@@ -336,18 +672,52 @@
  		ath_paprd_activate(sc);
  	}
  
-@@ -470,8 +480,8 @@ set_timer:
+@@ -440,33 +481,14 @@ set_timer:
  		cal_interval = min(cal_interval, (u32)short_cal_interval);
  
  	mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
--	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) {
+-	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) &&
+-	    !(sc->sc_flags & SC_OP_SCANNING)) {
 -		if (!sc->sc_ah->curchan->paprd_done)
 +	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
 +		if (!ah->caldata->paprd_done)
  			ieee80211_queue_work(sc->hw, &sc->paprd_work);
  		else
  			ath_paprd_activate(sc);
-@@ -829,7 +839,7 @@ void ath_radio_enable(struct ath_softc *
+ 	}
+ }
+ 
+-static void ath_start_ani(struct ath_common *common)
+-{
+-	struct ath_hw *ah = common->ah;
+-	unsigned long timestamp = jiffies_to_msecs(jiffies);
+-	struct ath_softc *sc = (struct ath_softc *) common->priv;
+-
+-	if (!(sc->sc_flags & SC_OP_ANI_RUN))
+-		return;
+-
+-	common->ani.longcal_timer = timestamp;
+-	common->ani.shortcal_timer = timestamp;
+-	common->ani.checkani_timer = timestamp;
+-
+-	mod_timer(&common->ani.timer,
+-		  jiffies +
+-			msecs_to_jiffies((u32)ah->config.ani_poll_interval));
+-}
+-
+ /*
+  * Update tx/rx chainmask. For legacy association,
+  * hard code chainmask to 1x1, for 11n association, use
+@@ -478,7 +500,7 @@ void ath_update_chainmask(struct ath_sof
+ 	struct ath_hw *ah = sc->sc_ah;
+ 	struct ath_common *common = ath9k_hw_common(ah);
+ 
+-	if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
++	if ((sc->sc_flags & SC_OP_OFFCHANNEL) || is_ht ||
+ 	    (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
+ 		common->tx_chainmask = ah->caps.tx_chainmask;
+ 		common->rx_chainmask = ah->caps.rx_chainmask;
+@@ -818,7 +840,7 @@ void ath_radio_enable(struct ath_softc *
  		ah->curchan = ath_get_curchannel(sc, sc->hw);
  
  	spin_lock_bh(&sc->sc_resetlock);
@@ -356,7 +726,7 @@
  	if (r) {
  		ath_print(common, ATH_DBG_FATAL,
  			  "Unable to reset channel (%u MHz), "
-@@ -889,7 +899,7 @@ void ath_radio_disable(struct ath_softc 
+@@ -878,7 +900,7 @@ void ath_radio_disable(struct ath_softc 
  		ah->curchan = ath_get_curchannel(sc, hw);
  
  	spin_lock_bh(&sc->sc_resetlock);
@@ -365,7 +735,7 @@
  	if (r) {
  		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
  			  "Unable to reset channel (%u MHz), "
-@@ -922,7 +932,7 @@ int ath_reset(struct ath_softc *sc, bool
+@@ -911,7 +933,7 @@ int ath_reset(struct ath_softc *sc, bool
  	ath_flushrecv(sc);
  
  	spin_lock_bh(&sc->sc_resetlock);
@@ -374,7 +744,7 @@
  	if (r)
  		ath_print(common, ATH_DBG_FATAL,
  			  "Unable to reset hardware; reset status %d\n", r);
-@@ -1097,7 +1107,7 @@ static int ath9k_start(struct ieee80211_
+@@ -1086,7 +1108,7 @@ static int ath9k_start(struct ieee80211_
  	 * and then setup of the interrupt mask.
  	 */
  	spin_lock_bh(&sc->sc_resetlock);
@@ -383,6 +753,52 @@
  	if (r) {
  		ath_print(common, ATH_DBG_FATAL,
  			  "Unable to reset hardware; reset status %d "
+@@ -1580,6 +1602,10 @@ static int ath9k_config(struct ieee80211
+ 
+ 		aphy->chan_idx = pos;
+ 		aphy->chan_is_ht = conf_is_ht(conf);
++		if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
++			sc->sc_flags |= SC_OP_OFFCHANNEL;
++		else
++			sc->sc_flags &= ~SC_OP_OFFCHANNEL;
+ 
+ 		if (aphy->state == ATH_WIPHY_SCAN ||
+ 		    aphy->state == ATH_WIPHY_ACTIVE)
+@@ -1991,7 +2017,6 @@ static void ath9k_sw_scan_start(struct i
+ {
+ 	struct ath_wiphy *aphy = hw->priv;
+ 	struct ath_softc *sc = aphy->sc;
+-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ 
+ 	mutex_lock(&sc->mutex);
+ 	if (ath9k_wiphy_scanning(sc)) {
+@@ -2009,10 +2034,6 @@ static void ath9k_sw_scan_start(struct i
+ 	aphy->state = ATH_WIPHY_SCAN;
+ 	ath9k_wiphy_pause_all_forced(sc, aphy);
+ 	sc->sc_flags |= SC_OP_SCANNING;
+-	del_timer_sync(&common->ani.timer);
+-	cancel_work_sync(&sc->paprd_work);
+-	cancel_work_sync(&sc->hw_check_work);
+-	cancel_delayed_work_sync(&sc->tx_complete_work);
+ 	mutex_unlock(&sc->mutex);
+ }
+ 
+@@ -2024,15 +2045,10 @@ static void ath9k_sw_scan_complete(struc
+ {
+ 	struct ath_wiphy *aphy = hw->priv;
+ 	struct ath_softc *sc = aphy->sc;
+-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ 
+ 	mutex_lock(&sc->mutex);
+ 	aphy->state = ATH_WIPHY_ACTIVE;
+ 	sc->sc_flags &= ~SC_OP_SCANNING;
+-	sc->sc_flags |= SC_OP_FULL_RESET;
+-	ath_start_ani(common);
+-	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
+-	ath_beacon_config(sc, NULL);
+ 	mutex_unlock(&sc->mutex);
+ }
+ 
 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
 +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
 @@ -577,10 +577,11 @@ static bool create_pa_curve(u32 *data_L,
@@ -423,131 +839,36 @@
  
  	buf = kmalloc(2 * 48 * sizeof(u32), GFP_ATOMIC);
  	if (!buf)
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -621,7 +621,6 @@ static int __ath9k_hw_init(struct ath_hw
- 	else
- 		ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
- 
--	ath9k_init_nfcal_hist_buffer(ah);
- 	ah->bb_watchdog_timeout_ms = 25;
- 
- 	common->state = ATH_HW_INITIALIZED;
-@@ -1194,9 +1193,6 @@ static bool ath9k_hw_channel_change(stru
- 
- 	ath9k_hw_spur_mitigate_freq(ah, chan);
- 
--	if (!chan->oneTimeCalsDone)
--		chan->oneTimeCalsDone = true;
--
- 	return true;
- }
- 
-@@ -1229,7 +1225,7 @@ bool ath9k_hw_check_alive(struct ath_hw 
- EXPORT_SYMBOL(ath9k_hw_check_alive);
- 
- int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
--		    bool bChannelChange)
-+		   struct ath9k_hw_cal_data *caldata, bool bChannelChange)
- {
- 	struct ath_common *common = ath9k_hw_common(ah);
- 	u32 saveLedState;
-@@ -1254,9 +1250,19 @@ int ath9k_hw_reset(struct ath_hw *ah, st
- 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
- 		return -EIO;
- 
--	if (curchan && !ah->chip_fullsleep)
-+	if (curchan && !ah->chip_fullsleep && ah->caldata)
- 		ath9k_hw_getnf(ah, curchan);
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -511,7 +511,7 @@ void ath_deinit_leds(struct ath_softc *s
+ #define SC_OP_BEACONS                BIT(1)
+ #define SC_OP_RXAGGR                 BIT(2)
+ #define SC_OP_TXAGGR                 BIT(3)
+-#define SC_OP_FULL_RESET             BIT(4)
++#define SC_OP_OFFCHANNEL             BIT(4)
+ #define SC_OP_PREAMBLE_SHORT         BIT(5)
+ #define SC_OP_PROTECT_ENABLE         BIT(6)
+ #define SC_OP_RXFLUSH                BIT(7)
+@@ -612,6 +612,7 @@ struct ath_softc {
+ struct ath_wiphy {
+ 	struct ath_softc *sc; /* shared for all virtual wiphys */
+ 	struct ieee80211_hw *hw;
++	struct ath9k_hw_cal_data caldata;
+ 	enum ath_wiphy_state {
+ 		ATH_WIPHY_INACTIVE,
+ 		ATH_WIPHY_ACTIVE,
+--- a/drivers/net/wireless/ath/ath9k/htc.h
++++ b/drivers/net/wireless/ath/ath9k/htc.h
+@@ -353,6 +353,8 @@ struct ath9k_htc_priv {
+ 	u16 seq_no;
+ 	u32 bmiss_cnt;
  
-+	ah->caldata = caldata;
-+	if (caldata &&
-+	    (chan->channel != caldata->channel ||
-+	     (chan->channelFlags & ~CHANNEL_CW_INT) !=
-+	     (caldata->channelFlags & ~CHANNEL_CW_INT))) {
-+		/* Operating channel changed, reset channel calibration data */
-+		memset(caldata, 0, sizeof(*caldata));
-+		ath9k_init_nfcal_hist_buffer(ah, chan);
-+	}
++	struct ath9k_hw_cal_data caldata[38];
 +
- 	if (bChannelChange &&
- 	    (ah->chip_fullsleep != true) &&
- 	    (ah->curchan != NULL) &&
---- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
-@@ -63,6 +63,7 @@ static bool ar9002_hw_per_calibration(st
- 				      u8 rxchainmask,
- 				      struct ath9k_cal_list *currCal)
- {
-+	struct ath9k_hw_cal_data *caldata = ah->caldata;
- 	bool iscaldone = false;
- 
- 	if (currCal->calState == CAL_RUNNING) {
-@@ -81,14 +82,14 @@ static bool ar9002_hw_per_calibration(st
- 				}
- 
- 				currCal->calData->calPostProc(ah, numChains);
--				ichan->CalValid |= currCal->calData->calType;
-+				caldata->CalValid |= currCal->calData->calType;
- 				currCal->calState = CAL_DONE;
- 				iscaldone = true;
- 			} else {
- 				ar9002_hw_setup_calibration(ah, currCal);
- 			}
- 		}
--	} else if (!(ichan->CalValid & currCal->calData->calType)) {
-+	} else if (!(caldata->CalValid & currCal->calData->calType)) {
- 		ath9k_hw_reset_calibration(ah, currCal);
- 	}
- 
-@@ -901,7 +902,8 @@ static bool ar9002_hw_init_cal(struct at
- 			ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
- 	}
- 
--	chan->CalValid = 0;
-+	if (ah->caldata)
-+		ah->caldata->CalValid = 0;
- 
- 	return true;
- }
---- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-@@ -68,6 +68,7 @@ static bool ar9003_hw_per_calibration(st
- 				      u8 rxchainmask,
- 				      struct ath9k_cal_list *currCal)
- {
-+	struct ath9k_hw_cal_data *caldata = ah->caldata;
- 	/* Cal is assumed not done until explicitly set below */
- 	bool iscaldone = false;
- 
-@@ -95,7 +96,7 @@ static bool ar9003_hw_per_calibration(st
- 				currCal->calData->calPostProc(ah, numChains);
- 
- 				/* Calibration has finished. */
--				ichan->CalValid |= currCal->calData->calType;
-+				caldata->CalValid |= currCal->calData->calType;
- 				currCal->calState = CAL_DONE;
- 				iscaldone = true;
- 			} else {
-@@ -106,7 +107,7 @@ static bool ar9003_hw_per_calibration(st
- 			ar9003_hw_setup_calibration(ah, currCal);
- 			}
- 		}
--	} else if (!(ichan->CalValid & currCal->calData->calType)) {
-+	} else if (!(caldata->CalValid & currCal->calData->calType)) {
- 		/* If current cal is marked invalid in channel, kick it off */
- 		ath9k_hw_reset_calibration(ah, currCal);
- 	}
-@@ -785,7 +786,8 @@ static bool ar9003_hw_init_cal(struct at
- 	if (ah->cal_list_curr)
- 		ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
- 
--	chan->CalValid = 0;
-+	if (ah->caldata)
-+		ah->caldata->CalValid = 0;
+ 	spinlock_t beacon_lock;
  
- 	return true;
- }
+ 	bool tx_queues_stop;
 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
 +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
 @@ -125,6 +125,7 @@ static int ath9k_htc_set_channel(struct 
@@ -595,6 +916,70 @@
  	if (ret) {
  		ath_print(common, ATH_DBG_FATAL,
  			  "Unable to reset hardware; reset status %d "
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -346,19 +346,25 @@ enum ath9k_int {
+ 	 CHANNEL_HT40PLUS |			\
+ 	 CHANNEL_HT40MINUS)
+ 
+-struct ath9k_channel {
+-	struct ieee80211_channel *chan;
++struct ath9k_hw_cal_data {
+ 	u16 channel;
+ 	u32 channelFlags;
+-	u32 chanmode;
+ 	int32_t CalValid;
+-	bool oneTimeCalsDone;
+ 	int8_t iCoff;
+ 	int8_t qCoff;
+ 	int16_t rawNoiseFloor;
+ 	bool paprd_done;
++	bool nfcal_pending;
+ 	u16 small_signal_gain[AR9300_MAX_CHAINS];
+ 	u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
++	struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
++};
++
++struct ath9k_channel {
++	struct ieee80211_channel *chan;
++	u16 channel;
++	u32 channelFlags;
++	u32 chanmode;
+ };
+ 
+ #define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
+@@ -669,7 +675,7 @@ struct ath_hw {
+ 	enum nl80211_iftype opmode;
+ 	enum ath9k_power_mode power_mode;
+ 
+-	struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
++	struct ath9k_hw_cal_data *caldata;
+ 	struct ath9k_pacal_info pacal_info;
+ 	struct ar5416Stats stats;
+ 	struct ath9k_tx_queue_info txq[ATH9K_NUM_TX_QUEUES];
+@@ -863,7 +869,7 @@ const char *ath9k_hw_probe(u16 vendorid,
+ void ath9k_hw_deinit(struct ath_hw *ah);
+ int ath9k_hw_init(struct ath_hw *ah);
+ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
+-		   bool bChannelChange);
++		   struct ath9k_hw_cal_data *caldata, bool bChannelChange);
+ int ath9k_hw_fill_cap_info(struct ath_hw *ah);
+ u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan);
+ 
+@@ -958,9 +964,10 @@ void ar9003_hw_bb_watchdog_read(struct a
+ void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
+ void ar9003_paprd_enable(struct ath_hw *ah, bool val);
+ void ar9003_paprd_populate_single_table(struct ath_hw *ah,
+-					struct ath9k_channel *chan, int chain);
+-int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_channel *chan,
+-			      int chain);
++					struct ath9k_hw_cal_data *caldata,
++					int chain);
++int ar9003_paprd_create_curve(struct ath_hw *ah,
++			      struct ath9k_hw_cal_data *caldata, int chain);
+ int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
+ int ar9003_paprd_init_table(struct ath_hw *ah);
+ bool ar9003_paprd_is_done(struct ath_hw *ah);
 --- a/drivers/net/wireless/ath/ath9k/xmit.c
 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
 @@ -1181,7 +1181,7 @@ void ath_drain_all_txq(struct ath_softc 
@@ -606,36 +991,3 @@
  		if (r)
  			ath_print(common, ATH_DBG_FATAL,
  				  "Unable to reset hardware; reset status %d\n",
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -611,6 +611,7 @@ struct ath_softc {
- struct ath_wiphy {
- 	struct ath_softc *sc; /* shared for all virtual wiphys */
- 	struct ieee80211_hw *hw;
-+	struct ath9k_hw_cal_data caldata;
- 	enum ath_wiphy_state {
- 		ATH_WIPHY_INACTIVE,
- 		ATH_WIPHY_ACTIVE,
---- a/drivers/net/wireless/ath/ath9k/calib.h
-+++ b/drivers/net/wireless/ath/ath9k/calib.h
-@@ -112,7 +112,8 @@ void ath9k_hw_start_nfcal(struct ath_hw 
- void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
- int16_t ath9k_hw_getnf(struct ath_hw *ah,
- 		       struct ath9k_channel *chan);
--void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah);
-+void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
-+				  struct ath9k_channel *chan);
- s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
- void ath9k_hw_reset_calibration(struct ath_hw *ah,
- 				struct ath9k_cal_list *currCal);
---- a/drivers/net/wireless/ath/ath9k/htc.h
-+++ b/drivers/net/wireless/ath/ath9k/htc.h
-@@ -353,6 +353,8 @@ struct ath9k_htc_priv {
- 	u16 seq_no;
- 	u32 bmiss_cnt;
- 
-+	struct ath9k_hw_cal_data caldata[38];
-+
- 	spinlock_t beacon_lock;
- 
- 	bool tx_queues_stop;
diff --git a/package/mac80211/patches/521-ath9k_no_offchannel_cal.patch b/package/mac80211/patches/521-ath9k_no_offchannel_cal.patch
deleted file mode 100644
index 5f5d6087d..000000000
--- a/package/mac80211/patches/521-ath9k_no_offchannel_cal.patch
+++ /dev/null
@@ -1,201 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -511,13 +511,12 @@ void ath_deinit_leds(struct ath_softc *s
- #define SC_OP_BEACONS                BIT(1)
- #define SC_OP_RXAGGR                 BIT(2)
- #define SC_OP_TXAGGR                 BIT(3)
--#define SC_OP_FULL_RESET             BIT(4)
- #define SC_OP_PREAMBLE_SHORT         BIT(5)
- #define SC_OP_PROTECT_ENABLE         BIT(6)
- #define SC_OP_RXFLUSH                BIT(7)
- #define SC_OP_LED_ASSOCIATED         BIT(8)
- #define SC_OP_LED_ON                 BIT(9)
--#define SC_OP_SCANNING               BIT(10)
-+#define SC_OP_OFFCHANNEL             BIT(10)
- #define SC_OP_TSF_RESET              BIT(11)
- #define SC_OP_BT_PRIORITY_DETECTED   BIT(12)
- #define SC_OP_BT_SCAN		     BIT(13)
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -155,6 +155,27 @@ void ath9k_ps_restore(struct ath_softc *
- 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
- }
- 
-+static void ath_start_ani(struct ath_common *common)
-+{
-+	struct ath_hw *ah = common->ah;
-+	unsigned long timestamp = jiffies_to_msecs(jiffies);
-+	struct ath_softc *sc = (struct ath_softc *) common->priv;
-+
-+	if (!(sc->sc_flags & SC_OP_ANI_RUN))
-+		return;
-+
-+	if (sc->sc_flags & SC_OP_OFFCHANNEL)
-+		return;
-+
-+	common->ani.longcal_timer = timestamp;
-+	common->ani.shortcal_timer = timestamp;
-+	common->ani.checkani_timer = timestamp;
-+
-+	mod_timer(&common->ani.timer,
-+		  jiffies +
-+			msecs_to_jiffies((u32)ah->config.ani_poll_interval));
-+}
-+
- /*
-  * Set/change channels.  If the channel is really being changed, it's done
-  * by reseting the chip.  To accomplish this we must first cleanup any pending
-@@ -173,6 +194,11 @@ int ath_set_channel(struct ath_softc *sc
- 	if (sc->sc_flags & SC_OP_INVALID)
- 		return -EIO;
- 
-+	del_timer_sync(&common->ani.timer);
-+	cancel_work_sync(&sc->paprd_work);
-+	cancel_work_sync(&sc->hw_check_work);
-+	cancel_delayed_work_sync(&sc->tx_complete_work);
-+
- 	ath9k_ps_wakeup(sc);
- 
- 	/*
-@@ -192,7 +218,7 @@ int ath_set_channel(struct ath_softc *sc
- 	 * to flush data frames already in queue because of
- 	 * changing channel. */
- 
--	if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
-+	if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL))
- 		fastcc = false;
- 
- 	ath_print(common, ATH_DBG_CONFIG,
-@@ -213,8 +239,6 @@ int ath_set_channel(struct ath_softc *sc
- 	}
- 	spin_unlock_bh(&sc->sc_resetlock);
- 
--	sc->sc_flags &= ~SC_OP_FULL_RESET;
--
- 	if (ath_startrecv(sc) != 0) {
- 		ath_print(common, ATH_DBG_FATAL,
- 			  "Unable to restart recv logic\n");
-@@ -226,6 +250,12 @@ int ath_set_channel(struct ath_softc *sc
- 	ath_update_txpow(sc);
- 	ath9k_hw_set_interrupts(ah, ah->imask);
- 
-+	if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) {
-+		ath_start_ani(common);
-+		ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
-+		ath_beacon_config(sc, NULL);
-+	}
-+
-  ps_restore:
- 	ath9k_ps_restore(sc);
- 	return r;
-@@ -440,8 +470,7 @@ set_timer:
- 		cal_interval = min(cal_interval, (u32)short_cal_interval);
- 
- 	mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
--	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) &&
--	    !(sc->sc_flags & SC_OP_SCANNING)) {
-+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) {
- 		if (!sc->sc_ah->curchan->paprd_done)
- 			ieee80211_queue_work(sc->hw, &sc->paprd_work);
- 		else
-@@ -449,24 +478,6 @@ set_timer:
- 	}
- }
- 
--static void ath_start_ani(struct ath_common *common)
--{
--	struct ath_hw *ah = common->ah;
--	unsigned long timestamp = jiffies_to_msecs(jiffies);
--	struct ath_softc *sc = (struct ath_softc *) common->priv;
--
--	if (!(sc->sc_flags & SC_OP_ANI_RUN))
--		return;
--
--	common->ani.longcal_timer = timestamp;
--	common->ani.shortcal_timer = timestamp;
--	common->ani.checkani_timer = timestamp;
--
--	mod_timer(&common->ani.timer,
--		  jiffies +
--			msecs_to_jiffies((u32)ah->config.ani_poll_interval));
--}
--
- /*
-  * Update tx/rx chainmask. For legacy association,
-  * hard code chainmask to 1x1, for 11n association, use
-@@ -478,7 +489,7 @@ void ath_update_chainmask(struct ath_sof
- 	struct ath_hw *ah = sc->sc_ah;
- 	struct ath_common *common = ath9k_hw_common(ah);
- 
--	if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
-+	if ((sc->sc_flags & SC_OP_OFFCHANNEL) || is_ht ||
- 	    (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
- 		common->tx_chainmask = ah->caps.tx_chainmask;
- 		common->rx_chainmask = ah->caps.rx_chainmask;
-@@ -1580,6 +1591,10 @@ static int ath9k_config(struct ieee80211
- 
- 		aphy->chan_idx = pos;
- 		aphy->chan_is_ht = conf_is_ht(conf);
-+		if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
-+			sc->sc_flags |= SC_OP_OFFCHANNEL;
-+		else
-+			sc->sc_flags &= ~SC_OP_OFFCHANNEL;
- 
- 		if (aphy->state == ATH_WIPHY_SCAN ||
- 		    aphy->state == ATH_WIPHY_ACTIVE)
-@@ -1991,7 +2006,6 @@ static void ath9k_sw_scan_start(struct i
- {
- 	struct ath_wiphy *aphy = hw->priv;
- 	struct ath_softc *sc = aphy->sc;
--	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- 
- 	mutex_lock(&sc->mutex);
- 	if (ath9k_wiphy_scanning(sc)) {
-@@ -2007,11 +2021,6 @@ static void ath9k_sw_scan_start(struct i
- 
- 	aphy->state = ATH_WIPHY_SCAN;
- 	ath9k_wiphy_pause_all_forced(sc, aphy);
--	sc->sc_flags |= SC_OP_SCANNING;
--	del_timer_sync(&common->ani.timer);
--	cancel_work_sync(&sc->paprd_work);
--	cancel_work_sync(&sc->hw_check_work);
--	cancel_delayed_work_sync(&sc->tx_complete_work);
- 	mutex_unlock(&sc->mutex);
- }
- 
-@@ -2019,15 +2028,9 @@ static void ath9k_sw_scan_complete(struc
- {
- 	struct ath_wiphy *aphy = hw->priv;
- 	struct ath_softc *sc = aphy->sc;
--	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- 
- 	mutex_lock(&sc->mutex);
- 	aphy->state = ATH_WIPHY_ACTIVE;
--	sc->sc_flags &= ~SC_OP_SCANNING;
--	sc->sc_flags |= SC_OP_FULL_RESET;
--	ath_start_ani(common);
--	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
--	ath_beacon_config(sc, NULL);
- 	mutex_unlock(&sc->mutex);
- }
- 
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -292,7 +292,7 @@ static void ath_edma_start_recv(struct a
- 
- 	ath_opmode_init(sc);
- 
--	ath9k_hw_startpcureceive(sc->sc_ah, (sc->sc_flags & SC_OP_SCANNING));
-+	ath9k_hw_startpcureceive(sc->sc_ah, (sc->sc_flags & SC_OP_OFFCHANNEL));
- }
- 
- static void ath_edma_stop_recv(struct ath_softc *sc)
-@@ -498,7 +498,7 @@ int ath_startrecv(struct ath_softc *sc)
- start_recv:
- 	spin_unlock_bh(&sc->rx.rxbuflock);
- 	ath_opmode_init(sc);
--	ath9k_hw_startpcureceive(ah, (sc->sc_flags & SC_OP_SCANNING));
-+	ath9k_hw_startpcureceive(ah, (sc->sc_flags & SC_OP_OFFCHANNEL));
- 
- 	return 0;
- }
diff --git a/package/mac80211/patches/523-ath9k_nfcal_timeout_handling.patch b/package/mac80211/patches/523-ath9k_nfcal_timeout_handling.patch
deleted file mode 100644
index 90363605e..000000000
--- a/package/mac80211/patches/523-ath9k_nfcal_timeout_handling.patch
+++ /dev/null
@@ -1,140 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -354,6 +354,7 @@ struct ath9k_hw_cal_data {
- 	int8_t qCoff;
- 	int16_t rawNoiseFloor;
- 	bool paprd_done;
-+	bool nfcal_pending;
- 	u16 small_signal_gain[AR9300_MAX_CHAINS];
- 	u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
- 	struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
---- a/drivers/net/wireless/ath/ath9k/calib.c
-+++ b/drivers/net/wireless/ath/ath9k/calib.c
-@@ -156,6 +156,9 @@ EXPORT_SYMBOL(ath9k_hw_reset_calvalid);
- 
- void ath9k_hw_start_nfcal(struct ath_hw *ah)
- {
-+	if (ah->caldata)
-+		ah->caldata->nfcal_pending = true;
-+
- 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
- 		    AR_PHY_AGC_CONTROL_ENABLE_NF);
- 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
-@@ -282,8 +285,7 @@ static void ath9k_hw_nf_sanitize(struct 
- 	}
- }
- 
--int16_t ath9k_hw_getnf(struct ath_hw *ah,
--		       struct ath9k_channel *chan)
-+bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
- {
- 	struct ath_common *common = ath9k_hw_common(ah);
- 	int16_t nf, nfThresh;
-@@ -293,7 +295,7 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
- 	struct ath9k_hw_cal_data *caldata = ah->caldata;
- 
- 	if (!caldata)
--		return ath9k_hw_get_default_nf(ah, chan);
-+		return false;
- 
- 	chan->channelFlags &= (~CHANNEL_CW_INT);
- 	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
-@@ -301,7 +303,7 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
- 			  "NF did not complete in calibration window\n");
- 		nf = 0;
- 		caldata->rawNoiseFloor = nf;
--		return caldata->rawNoiseFloor;
-+		return false;
- 	} else {
- 		ath9k_hw_do_getnf(ah, nfarray);
- 		ath9k_hw_nf_sanitize(ah, nfarray);
-@@ -317,11 +319,10 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
- 	}
- 
- 	h = caldata->nfCalHist;
--
-+	caldata->nfcal_pending = false;
- 	ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
- 	caldata->rawNoiseFloor = h[0].privNF;
--
--	return ah->caldata->rawNoiseFloor;
-+	return true;
- }
- 
- void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
---- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
-@@ -687,8 +687,13 @@ static bool ar9002_hw_calibrate(struct a
- {
- 	bool iscaldone = true;
- 	struct ath9k_cal_list *currCal = ah->cal_list_curr;
-+	bool nfcal, nfcal_pending = false;
- 
--	if (currCal &&
-+	nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
-+	if (ah->caldata)
-+		nfcal_pending = ah->caldata->nfcal_pending;
-+
-+	if (currCal && !nfcal &&
- 	    (currCal->calState == CAL_RUNNING ||
- 	     currCal->calState == CAL_WAITING)) {
- 		iscaldone = ar9002_hw_per_calibration(ah, chan,
-@@ -704,7 +709,7 @@ static bool ar9002_hw_calibrate(struct a
- 	}
- 
- 	/* Do NF cal only at longer intervals */
--	if (longcal) {
-+	if (longcal || nfcal_pending) {
- 		/* Do periodic PAOffset Cal */
- 		ar9002_hw_pa_cal(ah, false);
- 		ar9002_hw_olc_temp_compensation(ah);
-@@ -713,16 +718,18 @@ static bool ar9002_hw_calibrate(struct a
- 		 * Get the value from the previous NF cal and update
- 		 * history buffer.
- 		 */
--		ath9k_hw_getnf(ah, chan);
--
--		/*
--		 * Load the NF from history buffer of the current channel.
--		 * NF is slow time-variant, so it is OK to use a historical
--		 * value.
--		 */
--		ath9k_hw_loadnf(ah, ah->curchan);
-+		if (ath9k_hw_getnf(ah, chan)) {
-+			/*
-+			 * Load the NF from history buffer of the current
-+			 * channel.
-+			 * NF is slow time-variant, so it is OK to use a
-+			 * historical value.
-+			 */
-+			ath9k_hw_loadnf(ah, ah->curchan);
-+		}
- 
--		ath9k_hw_start_nfcal(ah);
-+		if (longcal)
-+			ath9k_hw_start_nfcal(ah);
- 	}
- 
- 	return iscaldone;
-@@ -873,6 +880,9 @@ static bool ar9002_hw_init_cal(struct at
- 	REG_WRITE(ah, AR_PHY_AGC_CONTROL,
- 		  REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_NF);
- 
-+	if (ah->caldata)
-+		ah->caldata->nfcal_pending = true;
-+
- 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
- 
- 	/* Enable IQ, ADC Gain and ADC DC offset CALs */
---- a/drivers/net/wireless/ath/ath9k/calib.h
-+++ b/drivers/net/wireless/ath/ath9k/calib.h
-@@ -110,8 +110,7 @@ struct ath9k_pacal_info{
- bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
- void ath9k_hw_start_nfcal(struct ath_hw *ah);
- void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
--int16_t ath9k_hw_getnf(struct ath_hw *ah,
--		       struct ath9k_channel *chan);
-+bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan);
- void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
- 				  struct ath9k_channel *chan);
- s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);