Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem

14 files changed, 299 insertions, 339 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 077e8a6..45b262f 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -28,11 +28,6 @@ static void ar9002_hw_set_desc_link(void *ds, u32 ds_link)
 	((struct ath_desc*) ds)->ds_link = ds_link;
 }
 
-static void ar9002_hw_get_desc_link(void *ds, u32 **ds_link)
-{
-	*ds_link = &((struct ath_desc *)ds)->ds_link;
-}
-
 static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 {
 	u32 isr = 0;
@@ -437,7 +432,6 @@ void ar9002_hw_attach_mac_ops(struct ath_hw *ah)
 
 	ops->rx_enable = ar9002_hw_rx_enable;
 	ops->set_desc_link = ar9002_hw_set_desc_link;
-	ops->get_desc_link = ar9002_hw_get_desc_link;
 	ops->get_isr = ar9002_hw_get_isr;
 	ops->fill_txdesc = ar9002_hw_fill_txdesc;
 	ops->proc_txdesc = ar9002_hw_proc_txdesc;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 10d71f7..04e6be0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -43,13 +43,6 @@ static void ar9003_hw_set_desc_link(void *ds, u32 ds_link)
 	ads->ctl10 |= ar9003_calc_ptr_chksum(ads);
 }
 
-static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link)
-{
-	struct ar9003_txc *ads = ds;
-
-	*ds_link = &ads->link;
-}
-
 static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 {
 	u32 isr = 0;
@@ -498,7 +491,6 @@ void ar9003_hw_attach_mac_ops(struct ath_hw *hw)
 
 	ops->rx_enable = ar9003_hw_rx_enable;
 	ops->set_desc_link = ar9003_hw_set_desc_link;
-	ops->get_desc_link = ar9003_hw_get_desc_link;
 	ops->get_isr = ar9003_hw_get_isr;
 	ops->fill_txdesc = ar9003_hw_fill_txdesc;
 	ops->proc_txdesc = ar9003_hw_proc_txdesc;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
index e4d6a87..2e7f0f2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -46,11 +46,10 @@ EXPORT_SYMBOL(ar9003_paprd_enable);
 
 static int ar9003_get_training_power_2g(struct ath_hw *ah)
 {
-	struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
-	struct ar9300_modal_eep_header *hdr = &eep->modalHeader2G;
+	struct ath9k_channel *chan = ah->curchan;
 	unsigned int power, scale, delta;
 
-	scale = MS(le32_to_cpu(hdr->papdRateMaskHt20), AR9300_PAPRD_SCALE_1);
+	scale = ar9003_get_paprd_scale_factor(ah, chan);
 	power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE5,
 			       AR_PHY_POWERTX_RATE5_POWERTXHT20_0);
 
@@ -67,20 +66,10 @@ static int ar9003_get_training_power_2g(struct ath_hw *ah)
 static int ar9003_get_training_power_5g(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
-	struct ar9300_modal_eep_header *hdr = &eep->modalHeader5G;
 	struct ath9k_channel *chan = ah->curchan;
 	unsigned int power, scale, delta;
 
-	if (chan->channel >= 5700)
-		scale = MS(le32_to_cpu(hdr->papdRateMaskHt20),
-			   AR9300_PAPRD_SCALE_1);
-	else if (chan->channel >= 5400)
-		scale = MS(le32_to_cpu(hdr->papdRateMaskHt40),
-			   AR9300_PAPRD_SCALE_2);
-	else
-		scale = MS(le32_to_cpu(hdr->papdRateMaskHt40),
-			   AR9300_PAPRD_SCALE_1);
+	scale = ar9003_get_paprd_scale_factor(ah, chan);
 
 	if (IS_CHAN_HT40(chan))
 		power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE8,
@@ -119,15 +108,16 @@ static int ar9003_paprd_setup_single_table(struct ath_hw *ah)
 	else
 		training_power = ar9003_get_training_power_5g(ah);
 
+	ath_dbg(common, ATH_DBG_CALIBRATE,
+		"Training power: %d, Target power: %d\n",
+		training_power, ah->paprd_target_power);
+
 	if (training_power < 0) {
 		ath_dbg(common, ATH_DBG_CALIBRATE,
 			"PAPRD target power delta out of range");
 		return -ERANGE;
 	}
 	ah->paprd_training_power = training_power;
-	ath_dbg(common, ATH_DBG_CALIBRATE,
-		"Training power: %d, Target power: %d\n",
-		ah->paprd_training_power, ah->paprd_target_power);
 
 	REG_RMW_FIELD(ah, AR_PHY_PAPRD_AM2AM, AR_PHY_PAPRD_AM2AM_MASK,
 		      ah->paprd_ratemask);
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index e99dfe6..57933db 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -180,7 +180,7 @@ enum ATH_AGGR_STATUS {
 struct ath_txq {
 	int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
 	u32 axq_qnum; /* ath9k hardware queue number */
-	u32 *axq_link;
+	void *axq_link;
 	struct list_head axq_q;
 	spinlock_t axq_lock;
 	u32 axq_depth;
@@ -189,7 +189,6 @@ struct ath_txq {
 	bool axq_tx_inprogress;
 	struct list_head axq_acq;
 	struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
-	struct list_head txq_fifo_pending;
 	u8 txq_headidx;
 	u8 txq_tailidx;
 	int pending_frames;
@@ -429,6 +428,7 @@ void ath_hw_check(struct work_struct *work);
 void ath_hw_pll_work(struct work_struct *work);
 void ath_paprd_calibrate(struct work_struct *work);
 void ath_ani_calibrate(unsigned long data);
+void ath_start_ani(struct ath_common *common);
 
 /**********/
 /* BTCOEX */
@@ -670,12 +670,8 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
 		    const struct ath_bus_ops *bus_ops);
 void ath9k_deinit_device(struct ath_softc *sc);
 void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
-int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
-		    struct ath9k_channel *hchan);
 
-void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
 void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
-bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode);
 bool ath9k_uses_beacons(int type);
 
 #ifdef CONFIG_ATH9K_PCI
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index d4d8cec..0174cdb 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -496,7 +496,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
 	u32 nexttbtt, intval;
 
 	/* NB: the beacon interval is kept internally in TU's */
-	intval = TU_TO_USEC(conf->beacon_interval & ATH9K_BEACON_PERIOD);
+	intval = TU_TO_USEC(conf->beacon_interval);
 	intval /= ATH_BCBUF;    /* for staggered beacons */
 	nexttbtt = intval;
 
@@ -543,7 +543,7 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 	}
 
 	memset(&bs, 0, sizeof(bs));
-	intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = conf->beacon_interval;
 
 	/*
 	 * Setup dtim and cfp parameters according to
@@ -652,22 +652,13 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	u32 tsf, delta, intval, nexttbtt;
+	u32 tsf, intval, nexttbtt;
 
 	ath9k_reset_beacon_status(sc);
 
-	tsf = ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE);
-	intval = TU_TO_USEC(conf->beacon_interval & ATH9K_BEACON_PERIOD);
-
-	if (!sc->beacon.bc_tstamp)
-		nexttbtt = tsf + intval;
-	else {
-		if (tsf > sc->beacon.bc_tstamp)
-			delta = (tsf - sc->beacon.bc_tstamp);
-		else
-			delta = (tsf + 1 + (~0U - sc->beacon.bc_tstamp));
-		nexttbtt = tsf + intval - (delta % intval);
-	}
+	intval = TU_TO_USEC(conf->beacon_interval);
+	tsf = roundup(ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE), intval);
+	nexttbtt = tsf + intval;
 
 	ath_dbg(common, ATH_DBG_BEACON,
 		"IBSS nexttbtt %u intval %u (%u)\n",
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index d55ffd7..22d3a26 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -176,6 +176,56 @@ static const struct file_operations fops_rx_chainmask = {
 	.llseek = default_llseek,
 };
 
+static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	char buf[32];
+	unsigned int len;
+
+	len = sprintf(buf, "%d\n", common->disable_ani);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_disable_ani(struct file *file,
+				      const char __user *user_buf,
+				      size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	unsigned long disable_ani;
+	char buf[32];
+	ssize_t len;
+
+	len = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, len))
+		return -EFAULT;
+
+	buf[len] = '\0';
+	if (strict_strtoul(buf, 0, &disable_ani))
+		return -EINVAL;
+
+	common->disable_ani = !!disable_ani;
+
+	if (disable_ani) {
+		sc->sc_flags &= ~SC_OP_ANI_RUN;
+		del_timer_sync(&common->ani.timer);
+	} else {
+		sc->sc_flags |= SC_OP_ANI_RUN;
+		ath_start_ani(common);
+	}
+
+	return count;
+}
+
+static const struct file_operations fops_disable_ani = {
+	.read = read_file_disable_ani,
+	.write = write_file_disable_ani,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
 
 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 			     size_t count, loff_t *ppos)
@@ -550,6 +600,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 
 	PR("MPDUs Queued:    ", queued);
 	PR("MPDUs Completed: ", completed);
+	PR("MPDUs XRetried:  ", xretries);
 	PR("Aggregates:      ", a_aggr);
 	PR("AMPDUs Queued HW:", a_queued_hw);
 	PR("AMPDUs Queued SW:", a_queued_sw);
@@ -587,7 +638,6 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 
 	PRQLE("axq_q empty:       ", axq_q);
 	PRQLE("axq_acq empty:     ", axq_acq);
-	PRQLE("txq_fifo_pending:  ", txq_fifo_pending);
 	for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
 		snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
 		PRQLE(tmp, txq_fifo[i]);
@@ -807,7 +857,10 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 		else
 			TX_STAT_INC(qnum, a_completed);
 	} else {
-		TX_STAT_INC(qnum, completed);
+		if (bf_isxretried(bf))
+			TX_STAT_INC(qnum, xretries);
+		else
+			TX_STAT_INC(qnum, completed);
 	}
 
 	if (ts->ts_status & ATH9K_TXERR_FIFO)
@@ -1160,6 +1213,8 @@ int ath9k_init_debug(struct ath_hw *ah)
 			    sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
 	debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
 			    sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
+	debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
+			    sc->debug.debugfs_phy, sc, &fops_disable_ani);
 	debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
 			    sc, &fops_regidx);
 	debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 8ce6ad8..4a04510 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -116,6 +116,7 @@ struct ath_tx_stats {
 	u32 tx_bytes_all;
 	u32 queued;
 	u32 completed;
+	u32 xretries;
 	u32 a_aggr;
 	u32 a_queued_hw;
 	u32 a_queued_sw;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
index aa6a731..57fe22b 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -79,7 +79,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv,
 
 	memset(&bs, 0, sizeof(bs));
 
-	intval = bss_conf->beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = bss_conf->beacon_interval;
 	bmiss_timeout = (ATH_DEFAULT_BMISS_LIMIT * bss_conf->beacon_interval);
 
 	/*
@@ -194,7 +194,7 @@ static void ath9k_htc_beacon_config_ap(struct ath9k_htc_priv *priv,
 	u8 cmd_rsp;
 	u64 tsf;
 
-	intval = bss_conf->beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = bss_conf->beacon_interval;
 	intval /= ATH9K_HTC_MAX_BCN_VIF;
 	nexttbtt = intval;
 
@@ -250,7 +250,7 @@ static void ath9k_htc_beacon_config_adhoc(struct ath9k_htc_priv *priv,
 	u8 cmd_rsp;
 	u64 tsf;
 
-	intval = bss_conf->beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = bss_conf->beacon_interval;
 	nexttbtt = intval;
 
 	/*
@@ -427,7 +427,7 @@ static int ath9k_htc_choose_bslot(struct ath9k_htc_priv *priv,
 	u16 intval;
 	int slot;
 
-	intval = priv->cur_beacon_conf.beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = priv->cur_beacon_conf.beacon_interval;
 
 	tsf = be64_to_cpu(swba->tsf);
 	tsftu = TSF_TO_TU(tsf >> 32, tsf);
diff --git a/drivers/net/wireless/ath/ath9k/hw-ops.h b/drivers/net/wireless/ath/ath9k/hw-ops.h
index 2f3e072..cb29e88 100644
--- a/drivers/net/wireless/ath/ath9k/hw-ops.h
+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
@@ -39,11 +39,6 @@ static inline void ath9k_hw_set_desc_link(struct ath_hw *ah, void *ds,
 	ath9k_hw_ops(ah)->set_desc_link(ds, link);
 }
 
-static inline void ath9k_hw_get_desc_link(struct ath_hw *ah, void *ds,
-					  u32 **link)
-{
-	ath9k_hw_ops(ah)->get_desc_link(ds, link);
-}
 static inline bool ath9k_hw_calibrate(struct ath_hw *ah,
 				      struct ath9k_channel *chan,
 				      u8 rxchainmask,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 1be7c8b..6de2655 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1785,16 +1785,16 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 	REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
 
 	REG_WRITE(ah, AR_BEACON_PERIOD,
-		  TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
+		  TU_TO_USEC(bs->bs_intval));
 	REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
-		  TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
+		  TU_TO_USEC(bs->bs_intval));
 
 	REGWRITE_BUFFER_FLUSH(ah);
 
 	REG_RMW_FIELD(ah, AR_RSSI_THR,
 		      AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
 
-	beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD;
+	beaconintval = bs->bs_intval;
 
 	if (bs->bs_sleepduration > beaconintval)
 		beaconintval = bs->bs_sleepduration;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 4b157c5..6a6fb54 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -403,7 +403,6 @@ struct ath9k_beacon_state {
 	u32 bs_nexttbtt;
 	u32 bs_nextdtim;
 	u32 bs_intval;
-#define ATH9K_BEACON_PERIOD       0x0000ffff
 #define ATH9K_TSFOOR_THRESHOLD    0x00004240 /* 16k us */
 	u32 bs_dtimperiod;
 	u16 bs_cfpperiod;
@@ -603,7 +602,6 @@ struct ath_hw_ops {
 				     int power_off);
 	void (*rx_enable)(struct ath_hw *ah);
 	void (*set_desc_link)(void *ds, u32 link);
-	void (*get_desc_link)(void *ds, u32 **link);
 	bool (*calibrate)(struct ath_hw *ah,
 			  struct ath9k_channel *chan,
 			  u8 rxchainmask,
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 45c585a..d4b166c 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -519,7 +519,6 @@ static void ath9k_init_misc(struct ath_softc *sc)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int i = 0;
-
 	setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
 
 	sc->config.txpowlimit = ATH_TXPOWER_MAX;
@@ -585,6 +584,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	common->priv = sc;
 	common->debug_mask = ath9k_debug;
 	common->btcoex_enabled = ath9k_btcoex_enable == 1;
+	common->disable_ani = false;
 	spin_lock_init(&common->cc_lock);
 
 	spin_lock_init(&sc->sc_serial_rw);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 2ca351f..7f94533 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -62,14 +62,12 @@ static bool ath9k_has_pending_frames(struct ath_softc *sc, struct ath_txq *txq)
 
 	if (txq->axq_depth || !list_empty(&txq->axq_acq))
 		pending = true;
-	else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-		pending = !list_empty(&txq->txq_fifo_pending);
 
 	spin_unlock_bh(&txq->axq_lock);
 	return pending;
 }
 
-bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
+static bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
 {
 	unsigned long flags;
 	bool ret;
@@ -136,7 +134,7 @@ void ath9k_ps_restore(struct ath_softc *sc)
 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
 }
 
-static void ath_start_ani(struct ath_common *common)
+void ath_start_ani(struct ath_common *common)
 {
 	struct ath_hw *ah = common->ah;
 	unsigned long timestamp = jiffies_to_msecs(jiffies);
@@ -219,7 +217,7 @@ static int ath_update_survey_stats(struct ath_softc *sc)
  * by reseting the chip.  To accomplish this we must first cleanup any pending
  * DMA, then restart stuff.
 */
-int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
+static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 		    struct ath9k_channel *hchan)
 {
 	struct ath_hw *ah = sc->sc_ah;
@@ -302,7 +300,8 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 			ath_set_beacon(sc);
 		ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
 		ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/2);
-		ath_start_ani(common);
+		if (!common->disable_ani)
+			ath_start_ani(common);
 	}
 
  ps_restore:
@@ -394,12 +393,14 @@ void ath_paprd_calibrate(struct work_struct *work)
 	if (!caldata)
 		return;
 
+	ath9k_ps_wakeup(sc);
+
 	if (ar9003_paprd_init_table(ah) < 0)
-		return;
+		goto fail_paprd;
 
 	skb = alloc_skb(len, GFP_KERNEL);
 	if (!skb)
-		return;
+		goto fail_paprd;
 
 	skb_put(skb, len);
 	memset(skb->data, 0, len);
@@ -411,7 +412,6 @@ void ath_paprd_calibrate(struct work_struct *work)
 	memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN);
 	memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN);
 
-	ath9k_ps_wakeup(sc);
 	for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
 		if (!(common->tx_chainmask & BIT(chain)))
 			continue;
@@ -515,24 +515,19 @@ void ath_ani_calibrate(unsigned long data)
 		common->ani.checkani_timer = timestamp;
 	}
 
-	/* Skip all processing if there's nothing to do. */
-	if (longcal || shortcal || aniflag) {
-		/* Call ANI routine if necessary */
-		if (aniflag) {
-			spin_lock_irqsave(&common->cc_lock, flags);
-			ath9k_hw_ani_monitor(ah, ah->curchan);
-			ath_update_survey_stats(sc);
-			spin_unlock_irqrestore(&common->cc_lock, flags);
-		}
+	/* Call ANI routine if necessary */
+	if (aniflag) {
+		spin_lock_irqsave(&common->cc_lock, flags);
+		ath9k_hw_ani_monitor(ah, ah->curchan);
+		ath_update_survey_stats(sc);
+		spin_unlock_irqrestore(&common->cc_lock, flags);
+	}
 
-		/* Perform calibration if necessary */
-		if (longcal || shortcal) {
-			common->ani.caldone =
-				ath9k_hw_calibrate(ah,
-						   ah->curchan,
-						   common->rx_chainmask,
-						   longcal);
-		}
+	/* Perform calibration if necessary */
+	if (longcal || shortcal) {
+		common->ani.caldone =
+			ath9k_hw_calibrate(ah, ah->curchan,
+						common->rx_chainmask, longcal);
 	}
 
 	ath9k_ps_restore(sc);
@@ -868,7 +863,7 @@ chip_reset:
 #undef SCHED_INTR
 }
 
-void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
+static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -974,6 +969,7 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
 	sc->hw_busy_count = 0;
 
 	/* Stop ANI */
+
 	del_timer_sync(&common->ani.timer);
 
 	ath9k_ps_wakeup(sc);
@@ -1023,7 +1019,9 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
 	spin_unlock_bh(&sc->sc_pcu_lock);
 
 	/* Start ANI */
-	ath_start_ani(common);
+	if (!common->disable_ani)
+		ath_start_ani(common);
+
 	ath9k_ps_restore(sc);
 
 	return r;
@@ -1412,10 +1410,14 @@ static void ath9k_calculate_summary_state(struct ieee80211_hw *hw,
 	ath9k_hw_set_interrupts(ah, ah->imask);
 
 	/* Set up ANI */
-	if ((iter_data.naps + iter_data.nadhocs) > 0) {
+	if (iter_data.naps > 0) {
 		sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
-		sc->sc_flags |= SC_OP_ANI_RUN;
-		ath_start_ani(common);
+
+		if (!common->disable_ani) {
+			sc->sc_flags |= SC_OP_ANI_RUN;
+			ath_start_ani(common);
+		}
+
 	} else {
 		sc->sc_flags &= ~SC_OP_ANI_RUN;
 		del_timer_sync(&common->ani.timer);
@@ -1952,50 +1954,38 @@ static void ath9k_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
 	struct ath_vif *avp = (void *)vif->drv_priv;
 
-	switch (sc->sc_ah->opmode) {
-	case NL80211_IFTYPE_ADHOC:
-		/* There can be only one vif available */
+	/*
+	 * Skip iteration if primary station vif's bss info
+	 * was not changed
+	 */
+	if (sc->sc_flags & SC_OP_PRIM_STA_VIF)
+		return;
+
+	if (bss_conf->assoc) {
+		sc->sc_flags |= SC_OP_PRIM_STA_VIF;
+		avp->primary_sta_vif = true;
 		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
 		common->curaid = bss_conf->aid;
 		ath9k_hw_write_associd(sc->sc_ah);
-		/* configure beacon */
-		if (bss_conf->enable_beacon)
-			ath_beacon_config(sc, vif);
-		break;
-	case NL80211_IFTYPE_STATION:
-		/*
-		 * Skip iteration if primary station vif's bss info
-		 * was not changed
-		 */
-		if (sc->sc_flags & SC_OP_PRIM_STA_VIF)
-			break;
-
-		if (bss_conf->assoc) {
-			sc->sc_flags |= SC_OP_PRIM_STA_VIF;
-			avp->primary_sta_vif = true;
-			memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
-			common->curaid = bss_conf->aid;
-			ath9k_hw_write_associd(sc->sc_ah);
-			ath_dbg(common, ATH_DBG_CONFIG,
+		ath_dbg(common, ATH_DBG_CONFIG,
 				"Bss Info ASSOC %d, bssid: %pM\n",
 				bss_conf->aid, common->curbssid);
-			ath_beacon_config(sc, vif);
-			/*
-			 * Request a re-configuration of Beacon related timers
-			 * on the receipt of the first Beacon frame (i.e.,
-			 * after time sync with the AP).
-			 */
-			sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
-			/* Reset rssi stats */
-			sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
-			sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
+		ath_beacon_config(sc, vif);
+		/*
+		 * Request a re-configuration of Beacon related timers
+		 * on the receipt of the first Beacon frame (i.e.,
+		 * after time sync with the AP).
+		 */
+		sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
+		/* Reset rssi stats */
+		sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
+		sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
 
+		if (!common->disable_ani) {
 			sc->sc_flags |= SC_OP_ANI_RUN;
 			ath_start_ani(common);
 		}
-		break;
-	default:
-		break;
+
 	}
 }
 
@@ -2005,6 +1995,9 @@ static void ath9k_config_bss(struct ath_softc *sc, struct ieee80211_vif *vif)
 	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
 	struct ath_vif *avp = (void *)vif->drv_priv;
 
+	if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
+		return;
+
 	/* Reconfigure bss info */
 	if (avp->primary_sta_vif && !bss_conf->assoc) {
 		ath_dbg(common, ATH_DBG_CONFIG,
@@ -2023,8 +2016,7 @@ static void ath9k_config_bss(struct ath_softc *sc, struct ieee80211_vif *vif)
 	 * None of station vifs are associated.
 	 * Clear bssid & aid
 	 */
-	if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) &&
-	    !(sc->sc_flags & SC_OP_PRIM_STA_VIF)) {
+	if (!(sc->sc_flags & SC_OP_PRIM_STA_VIF)) {
 		ath9k_hw_write_associd(sc->sc_ah);
 		/* Stop ANI */
 		sc->sc_flags &= ~SC_OP_ANI_RUN;
@@ -2054,6 +2046,26 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 			common->curbssid, common->curaid);
 	}
 
+	if (changed & BSS_CHANGED_IBSS) {
+		/* There can be only one vif available */
+		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
+		common->curaid = bss_conf->aid;
+		ath9k_hw_write_associd(sc->sc_ah);
+
+		if (bss_conf->ibss_joined) {
+			sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
+
+			if (!common->disable_ani) {
+				sc->sc_flags |= SC_OP_ANI_RUN;
+				ath_start_ani(common);
+			}
+
+		} else {
+			sc->sc_flags &= ~SC_OP_ANI_RUN;
+			del_timer_sync(&common->ani.timer);
+		}
+	}
+
 	/* Enable transmission of beacons (AP, IBSS, MESH) */
 	if ((changed & BSS_CHANGED_BEACON) ||
 	    ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon)) {
@@ -2334,7 +2346,7 @@ static bool ath9k_tx_frames_pending(struct ieee80211_hw *hw)
 	return false;
 }
 
-int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
+static int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
 {
 	struct ath_softc *sc = hw->priv;
 	struct ath_hw *ah = sc->sc_ah;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 3779b89..ec012b4 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -53,7 +53,7 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
 				struct ath_txq *txq, struct list_head *bf_q,
 				struct ath_tx_status *ts, int txok, int sendbar);
 static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
-			     struct list_head *head);
+			     struct list_head *head, bool internal);
 static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len);
 static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
 			     struct ath_tx_status *ts, int nframes, int nbad,
@@ -377,8 +377,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 			bf_next = bf->bf_next;
 
 			bf->bf_state.bf_type |= BUF_XRETRY;
-			if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ||
-			    !bf->bf_stale || bf_next != NULL)
+			if (!bf->bf_stale || bf_next != NULL)
 				list_move_tail(&bf->list, &bf_head);
 
 			ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false);
@@ -463,20 +462,14 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 			}
 		}
 
-		if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
-		    bf_next == NULL) {
-			/*
-			 * Make sure the last desc is reclaimed if it
-			 * not a holding desc.
-			 */
-			if (!bf_last->bf_stale)
-				list_move_tail(&bf->list, &bf_head);
-			else
-				INIT_LIST_HEAD(&bf_head);
-		} else {
-			BUG_ON(list_empty(bf_q));
+		/*
+		 * Make sure the last desc is reclaimed if it
+		 * not a holding desc.
+		 */
+		if (!bf_last->bf_stale || bf_next != NULL)
 			list_move_tail(&bf->list, &bf_head);
-		}
+		else
+			INIT_LIST_HEAD(&bf_head);
 
 		if (!txpending || (tid->state & AGGR_CLEANUP)) {
 			/*
@@ -837,7 +830,7 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
 			bf->bf_state.bf_type &= ~BUF_AGGR;
 			ath9k_hw_clr11n_aggr(sc->sc_ah, bf->bf_desc);
 			ath_buf_set_rate(sc, bf, fi->framelen);
-			ath_tx_txqaddbuf(sc, txq, &bf_q);
+			ath_tx_txqaddbuf(sc, txq, &bf_q, false);
 			continue;
 		}
 
@@ -849,7 +842,7 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
 		/* anchor last desc of aggregate */
 		ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
 
-		ath_tx_txqaddbuf(sc, txq, &bf_q);
+		ath_tx_txqaddbuf(sc, txq, &bf_q, false);
 		TX_STAT_INC(txq->axq_qnum, a_aggr);
 
 	} while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
@@ -1085,7 +1078,6 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 		txq->txq_headidx = txq->txq_tailidx = 0;
 		for (i = 0; i < ATH_TXFIFO_DEPTH; i++)
 			INIT_LIST_HEAD(&txq->txq_fifo[i]);
-		INIT_LIST_HEAD(&txq->txq_fifo_pending);
 	}
 	return &sc->tx.txq[axq_qnum];
 }
@@ -1155,13 +1147,8 @@ static bool bf_is_ampdu_not_probing(struct ath_buf *bf)
     return bf_isampdu(bf) && !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE);
 }
 
-/*
- * Drain a given TX queue (could be Beacon or Data)
- *
- * This assumes output has been stopped and
- * we do not need to block ath_tx_tasklet.
- */
-void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
+static void ath_drain_txq_list(struct ath_softc *sc, struct ath_txq *txq,
+			       struct list_head *list, bool retry_tx)
 {
 	struct ath_buf *bf, *lastbf;
 	struct list_head bf_head;
@@ -1170,93 +1157,63 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
 	memset(&ts, 0, sizeof(ts));
 	INIT_LIST_HEAD(&bf_head);
 
-	for (;;) {
-		spin_lock_bh(&txq->axq_lock);
+	while (!list_empty(list)) {
+		bf = list_first_entry(list, struct ath_buf, list);
 
-		if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-			if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
-				txq->txq_headidx = txq->txq_tailidx = 0;
-				spin_unlock_bh(&txq->axq_lock);
-				break;
-			} else {
-				bf = list_first_entry(&txq->txq_fifo[txq->txq_tailidx],
-						      struct ath_buf, list);
-			}
-		} else {
-			if (list_empty(&txq->axq_q)) {
-				txq->axq_link = NULL;
-				spin_unlock_bh(&txq->axq_lock);
-				break;
-			}
-			bf = list_first_entry(&txq->axq_q, struct ath_buf,
-					      list);
-
-			if (bf->bf_stale) {
-				list_del(&bf->list);
-				spin_unlock_bh(&txq->axq_lock);
+		if (bf->bf_stale) {
+			list_del(&bf->list);
 
-				ath_tx_return_buffer(sc, bf);
-				continue;
-			}
+			ath_tx_return_buffer(sc, bf);
+			continue;
 		}
 
 		lastbf = bf->bf_lastbf;
-
-		if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-			list_cut_position(&bf_head,
-					  &txq->txq_fifo[txq->txq_tailidx],
-					  &lastbf->list);
-			INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
-		} else {
-			/* remove ath_buf's of the same mpdu from txq */
-			list_cut_position(&bf_head, &txq->axq_q, &lastbf->list);
-		}
+		list_cut_position(&bf_head, list, &lastbf->list);
 
 		txq->axq_depth--;
 		if (bf_is_ampdu_not_probing(bf))
 			txq->axq_ampdu_depth--;
-		spin_unlock_bh(&txq->axq_lock);
 
+		spin_unlock_bh(&txq->axq_lock);
 		if (bf_isampdu(bf))
 			ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, 0,
 					     retry_tx);
 		else
 			ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
+		spin_lock_bh(&txq->axq_lock);
 	}
+}
 
+/*
+ * Drain a given TX queue (could be Beacon or Data)
+ *
+ * This assumes output has been stopped and
+ * we do not need to block ath_tx_tasklet.
+ */
+void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
+{
 	spin_lock_bh(&txq->axq_lock);
-	txq->axq_tx_inprogress = false;
-	spin_unlock_bh(&txq->axq_lock);
-
 	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-		spin_lock_bh(&txq->axq_lock);
-		while (!list_empty(&txq->txq_fifo_pending)) {
-			bf = list_first_entry(&txq->txq_fifo_pending,
-					      struct ath_buf, list);
-			list_cut_position(&bf_head,
-					  &txq->txq_fifo_pending,
-					  &bf->bf_lastbf->list);
-			spin_unlock_bh(&txq->axq_lock);
+		int idx = txq->txq_tailidx;
 
-			if (bf_isampdu(bf))
-				ath_tx_complete_aggr(sc, txq, bf, &bf_head,
-						     &ts, 0, retry_tx);
-			else
-				ath_tx_complete_buf(sc, bf, txq, &bf_head,
-						    &ts, 0, 0);
-			spin_lock_bh(&txq->axq_lock);
+		while (!list_empty(&txq->txq_fifo[idx])) {
+			ath_drain_txq_list(sc, txq, &txq->txq_fifo[idx],
+					   retry_tx);
+
+			INCR(idx, ATH_TXFIFO_DEPTH);
 		}
-		spin_unlock_bh(&txq->axq_lock);
+		txq->txq_tailidx = idx;
 	}
 
+	txq->axq_link = NULL;
+	txq->axq_tx_inprogress = false;
+	ath_drain_txq_list(sc, txq, &txq->axq_q, retry_tx);
+
 	/* flush any pending frames if aggregation is enabled */
-	if (sc->sc_flags & SC_OP_TXAGGR) {
-		if (!retry_tx) {
-			spin_lock_bh(&txq->axq_lock);
-			ath_txq_drain_pending_buffers(sc, txq);
-			spin_unlock_bh(&txq->axq_lock);
-		}
-	}
+	if ((sc->sc_flags & SC_OP_TXAGGR) && !retry_tx)
+		ath_txq_drain_pending_buffers(sc, txq);
+
+	spin_unlock_bh(&txq->axq_lock);
 }
 
 bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
@@ -1370,11 +1327,13 @@ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
  * assume the descriptors are already chained together by caller.
  */
 static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
-			     struct list_head *head)
+			     struct list_head *head, bool internal)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ath_buf *bf;
+	struct ath_buf *bf, *bf_last;
+	bool puttxbuf = false;
+	bool edma;
 
 	/*
 	 * Insert the frame on the outbound list and
@@ -1384,51 +1343,49 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 	if (list_empty(head))
 		return;
 
+	edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
 	bf = list_first_entry(head, struct ath_buf, list);
+	bf_last = list_entry(head->prev, struct ath_buf, list);
 
 	ath_dbg(common, ATH_DBG_QUEUE,
 		"qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
 
-	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-		if (txq->axq_depth >= ATH_TXFIFO_DEPTH) {
-			list_splice_tail_init(head, &txq->txq_fifo_pending);
-			return;
-		}
-		if (!list_empty(&txq->txq_fifo[txq->txq_headidx]))
-			ath_dbg(common, ATH_DBG_XMIT,
-				"Initializing tx fifo %d which is non-empty\n",
-				txq->txq_headidx);
-		INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]);
-		list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]);
+	if (edma && list_empty(&txq->txq_fifo[txq->txq_headidx])) {
+		list_splice_tail_init(head, &txq->txq_fifo[txq->txq_headidx]);
 		INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH);
-		TX_STAT_INC(txq->axq_qnum, puttxbuf);
-		ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
-		ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
-			txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
+		puttxbuf = true;
 	} else {
 		list_splice_tail_init(head, &txq->axq_q);
 
-		if (txq->axq_link == NULL) {
-			TX_STAT_INC(txq->axq_qnum, puttxbuf);
-			ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
-			ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
-				txq->axq_qnum, ito64(bf->bf_daddr),
-				bf->bf_desc);
-		} else {
-			*txq->axq_link = bf->bf_daddr;
+		if (txq->axq_link) {
+			ath9k_hw_set_desc_link(ah, txq->axq_link, bf->bf_daddr);
 			ath_dbg(common, ATH_DBG_XMIT,
 				"link[%u] (%p)=%llx (%p)\n",
 				txq->axq_qnum, txq->axq_link,
 				ito64(bf->bf_daddr), bf->bf_desc);
-		}
-		ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc,
-				       &txq->axq_link);
+		} else if (!edma)
+			puttxbuf = true;
+
+		txq->axq_link = bf_last->bf_desc;
+	}
+
+	if (puttxbuf) {
+		TX_STAT_INC(txq->axq_qnum, puttxbuf);
+		ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
+		ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
+			txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
+	}
+
+	if (!edma) {
 		TX_STAT_INC(txq->axq_qnum, txstart);
 		ath9k_hw_txstart(ah, txq->axq_qnum);
 	}
-	txq->axq_depth++;
-	if (bf_is_ampdu_not_probing(bf))
-		txq->axq_ampdu_depth++;
+
+	if (!internal) {
+		txq->axq_depth++;
+		if (bf_is_ampdu_not_probing(bf))
+			txq->axq_ampdu_depth++;
+	}
 }
 
 static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
@@ -1470,7 +1427,7 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
 	TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
 	bf->bf_lastbf = bf;
 	ath_buf_set_rate(sc, bf, fi->framelen);
-	ath_tx_txqaddbuf(sc, txctl->txq, &bf_head);
+	ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false);
 }
 
 static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
@@ -1490,7 +1447,7 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
 	bf->bf_lastbf = bf;
 	fi = get_frame_info(bf->bf_mpdu);
 	ath_buf_set_rate(sc, bf, fi->framelen);
-	ath_tx_txqaddbuf(sc, txq, bf_head);
+	ath_tx_txqaddbuf(sc, txq, bf_head, false);
 	TX_STAT_INC(txq->axq_qnum, queued);
 }
 
@@ -2077,6 +2034,38 @@ static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
 	tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1;
 }
 
+static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
+				  struct ath_tx_status *ts, struct ath_buf *bf,
+				  struct list_head *bf_head)
+{
+	int txok;
+
+	txq->axq_depth--;
+	txok = !(ts->ts_status & ATH9K_TXERR_MASK);
+	txq->axq_tx_inprogress = false;
+	if (bf_is_ampdu_not_probing(bf))
+		txq->axq_ampdu_depth--;
+
+	spin_unlock_bh(&txq->axq_lock);
+
+	if (!bf_isampdu(bf)) {
+		/*
+		 * This frame is sent out as a single frame.
+		 * Use hardware retry status for this frame.
+		 */
+		if (ts->ts_status & ATH9K_TXERR_XRETRY)
+			bf->bf_state.bf_type |= BUF_XRETRY;
+		ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok, true);
+		ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok, 0);
+	} else
+		ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true);
+
+	spin_lock_bh(&txq->axq_lock);
+
+	if (sc->sc_flags & SC_OP_TXAGGR)
+		ath_txq_schedule(sc, txq);
+}
+
 static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 {
 	struct ath_hw *ah = sc->sc_ah;
@@ -2085,20 +2074,18 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 	struct list_head bf_head;
 	struct ath_desc *ds;
 	struct ath_tx_status ts;
-	int txok;
 	int status;
 
 	ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
 		txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
 		txq->axq_link);
 
+	spin_lock_bh(&txq->axq_lock);
 	for (;;) {
-		spin_lock_bh(&txq->axq_lock);
 		if (list_empty(&txq->axq_q)) {
 			txq->axq_link = NULL;
 			if (sc->sc_flags & SC_OP_TXAGGR)
 				ath_txq_schedule(sc, txq);
-			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
 		bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
@@ -2114,13 +2101,11 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 		bf_held = NULL;
 		if (bf->bf_stale) {
 			bf_held = bf;
-			if (list_is_last(&bf_held->list, &txq->axq_q)) {
-				spin_unlock_bh(&txq->axq_lock);
+			if (list_is_last(&bf_held->list, &txq->axq_q))
 				break;
-			} else {
-				bf = list_entry(bf_held->list.next,
-						struct ath_buf, list);
-			}
+
+			bf = list_entry(bf_held->list.next, struct ath_buf,
+					list);
 		}
 
 		lastbf = bf->bf_lastbf;
@@ -2128,10 +2113,9 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 
 		memset(&ts, 0, sizeof(ts));
 		status = ath9k_hw_txprocdesc(ah, ds, &ts);
-		if (status == -EINPROGRESS) {
-			spin_unlock_bh(&txq->axq_lock);
+		if (status == -EINPROGRESS)
 			break;
-		}
+
 		TX_STAT_INC(txq->axq_qnum, txprocdesc);
 
 		/*
@@ -2145,42 +2129,14 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 			list_cut_position(&bf_head,
 				&txq->axq_q, lastbf->list.prev);
 
-		txq->axq_depth--;
-		txok = !(ts.ts_status & ATH9K_TXERR_MASK);
-		txq->axq_tx_inprogress = false;
-		if (bf_held)
+		if (bf_held) {
 			list_del(&bf_held->list);
-
-		if (bf_is_ampdu_not_probing(bf))
-			txq->axq_ampdu_depth--;
-
-		spin_unlock_bh(&txq->axq_lock);
-
-		if (bf_held)
 			ath_tx_return_buffer(sc, bf_held);
-
-		if (!bf_isampdu(bf)) {
-			/*
-			 * This frame is sent out as a single frame.
-			 * Use hardware retry status for this frame.
-			 */
-			if (ts.ts_status & ATH9K_TXERR_XRETRY)
-				bf->bf_state.bf_type |= BUF_XRETRY;
-			ath_tx_rc_status(sc, bf, &ts, 1, txok ? 0 : 1, txok, true);
 		}
 
-		if (bf_isampdu(bf))
-			ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok,
-					     true);
-		else
-			ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0);
-
-		spin_lock_bh(&txq->axq_lock);
-
-		if (sc->sc_flags & SC_OP_TXAGGR)
-			ath_txq_schedule(sc, txq);
-		spin_unlock_bh(&txq->axq_lock);
+		ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
 	}
+	spin_unlock_bh(&txq->axq_lock);
 }
 
 static void ath_tx_complete_poll_work(struct work_struct *work)
@@ -2237,17 +2193,16 @@ void ath_tx_tasklet(struct ath_softc *sc)
 
 void ath_tx_edma_tasklet(struct ath_softc *sc)
 {
-	struct ath_tx_status txs;
+	struct ath_tx_status ts;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_txq *txq;
 	struct ath_buf *bf, *lastbf;
 	struct list_head bf_head;
 	int status;
-	int txok;
 
 	for (;;) {
-		status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs);
+		status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts);
 		if (status == -EINPROGRESS)
 			break;
 		if (status == -EIO) {
@@ -2257,12 +2212,13 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
 		}
 
 		/* Skip beacon completions */
-		if (txs.qid == sc->beacon.beaconq)
+		if (ts.qid == sc->beacon.beaconq)
 			continue;
 
-		txq = &sc->tx.txq[txs.qid];
+		txq = &sc->tx.txq[ts.qid];
 
 		spin_lock_bh(&txq->axq_lock);
+
 		if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
 			spin_unlock_bh(&txq->axq_lock);
 			return;
@@ -2275,41 +2231,21 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
 		INIT_LIST_HEAD(&bf_head);
 		list_cut_position(&bf_head, &txq->txq_fifo[txq->txq_tailidx],
 				  &lastbf->list);
-		INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
-		txq->axq_depth--;
-		txq->axq_tx_inprogress = false;
-		if (bf_is_ampdu_not_probing(bf))
-			txq->axq_ampdu_depth--;
-		spin_unlock_bh(&txq->axq_lock);
 
-		txok = !(txs.ts_status & ATH9K_TXERR_MASK);
-
-		if (!bf_isampdu(bf)) {
-			if (txs.ts_status & ATH9K_TXERR_XRETRY)
-				bf->bf_state.bf_type |= BUF_XRETRY;
-			ath_tx_rc_status(sc, bf, &txs, 1, txok ? 0 : 1, txok, true);
-		}
-
-		if (bf_isampdu(bf))
-			ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs,
-					     txok, true);
-		else
-			ath_tx_complete_buf(sc, bf, txq, &bf_head,
-					    &txs, txok, 0);
+		if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
+			INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
 
-		spin_lock_bh(&txq->axq_lock);
+			if (!list_empty(&txq->axq_q)) {
+				struct list_head bf_q;
 
-		if (!list_empty(&txq->txq_fifo_pending)) {
-			INIT_LIST_HEAD(&bf_head);
-			bf = list_first_entry(&txq->txq_fifo_pending,
-					      struct ath_buf, list);
-			list_cut_position(&bf_head,
-					  &txq->txq_fifo_pending,
-					  &bf->bf_lastbf->list);
-			ath_tx_txqaddbuf(sc, txq, &bf_head);
-		} else if (sc->sc_flags & SC_OP_TXAGGR)
-			ath_txq_schedule(sc, txq);
+				INIT_LIST_HEAD(&bf_q);
+				txq->axq_link = NULL;
+				list_splice_tail_init(&txq->axq_q, &bf_q);
+				ath_tx_txqaddbuf(sc, txq, &bf_q, true);
+			}
+		}
 
+		ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
 		spin_unlock_bh(&txq->axq_lock);
 	}
 }