---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -551,7 +551,8 @@ static void ath_tx_complete_aggr(struct
- if (clear_filter)
- tid->ac->clear_ps_filter = true;
- list_splice(&bf_pending, &tid->buf_q);
-- ath_tx_queue_tid(txq, tid);
-+ if (!an->sleeping)
-+ ath_tx_queue_tid(txq, tid);
- spin_unlock_bh(&txq->axq_lock);
- }
-
-@@ -643,8 +644,10 @@ static u32 ath_lookup_rate(struct ath_so
- * meet the minimum required mpdudensity.
- */
- static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
-- struct ath_buf *bf, u16 frmlen)
-+ struct ath_buf *bf, u16 frmlen,
-+ bool first_subfrm)
- {
-+#define FIRST_DESC_NDELIMS 60
- struct sk_buff *skb = bf->bf_mpdu;
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- u32 nsymbits, nsymbols;
-@@ -667,6 +670,13 @@ static int ath_compute_num_delims(struct
- ndelim += ATH_AGGR_ENCRYPTDELIM;
-
- /*
-+ * Add delimiter when using RTS/CTS with aggregation
-+ * and non enterprise AR9003 card
-+ */
-+ if (first_subfrm)
-+ ndelim = max(ndelim, FIRST_DESC_NDELIMS);
-+
-+ /*
- * Convert desired mpdu density from microeconds to bytes based
- * on highest rate in rate series (i.e. first rate) to determine
- * required minimum length for subframe. Take into account
-@@ -755,7 +765,6 @@ static enum ATH_AGGR_STATUS ath_tx_form_
- status = ATH_AGGR_LIMITED;
- break;
- }
-- nframes++;
-
- /* add padding for previous frame to aggregation length */
- al += bpad + al_delta;
-@@ -764,9 +773,11 @@ static enum ATH_AGGR_STATUS ath_tx_form_
- * Get the delimiters needed to meet the MPDU
- * density for this node.
- */
-- ndelim = ath_compute_num_delims(sc, tid, bf_first, fi->framelen);
-+ ndelim = ath_compute_num_delims(sc, tid, bf_first, fi->framelen,
-+ !nframes);
- bpad = PADBYTES(al_delta) + (ndelim << 2);
-
-+ nframes++;
- bf->bf_next = NULL;
- ath9k_hw_set_desc_link(sc->sc_ah, bf->bf_desc, 0);
-
-@@ -1413,7 +1424,8 @@ static void ath_tx_send_ampdu(struct ath
- */
- TX_STAT_INC(txctl->txq->axq_qnum, a_queued_sw);
- list_add_tail(&bf->list, &tid->buf_q);
-- ath_tx_queue_tid(txctl->txq, tid);
-+ if (!txctl->an || !txctl->an->sleeping)
-+ ath_tx_queue_tid(txctl->txq, tid);
- return;
- }
-
-@@ -1572,9 +1584,9 @@ u8 ath_txchainmask_reduction(struct ath_
- {
- struct ath_hw *ah = sc->sc_ah;
- struct ath9k_channel *curchan = ah->curchan;
-- if ((sc->sc_flags & SC_OP_ENABLE_APM) &&
-- (curchan->channelFlags & CHANNEL_5GHZ) &&
-- (chainmask == 0x7) && (rate < 0x90))
-+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) &&
-+ (curchan->channelFlags & CHANNEL_5GHZ) &&
-+ (chainmask == 0x7) && (rate < 0x90))
- return 0x3;
- else
- return chainmask;
---- a/include/net/cfg80211.h
-+++ b/include/net/cfg80211.h
-@@ -421,6 +421,7 @@ struct station_parameters {
- * @STATION_INFO_RX_BITRATE: @rxrate fields are filled
- * @STATION_INFO_BSS_PARAM: @bss_param filled
- * @STATION_INFO_CONNECTED_TIME: @connected_time filled
-+ * @STATION_INFO_ASSOC_REQ_IES: @assoc_req_ies filled
- */
- enum station_info_flags {
- STATION_INFO_INACTIVE_TIME = 1<<0,
-@@ -439,7 +440,8 @@ enum station_info_flags {
- STATION_INFO_SIGNAL_AVG = 1<<13,
- STATION_INFO_RX_BITRATE = 1<<14,
- STATION_INFO_BSS_PARAM = 1<<15,
-- STATION_INFO_CONNECTED_TIME = 1<<16
-+ STATION_INFO_CONNECTED_TIME = 1<<16,
-+ STATION_INFO_ASSOC_REQ_IES = 1<<17
- };
-
- /**
---- a/net/wireless/nl80211.c
-+++ b/net/wireless/nl80211.c
-@@ -2236,7 +2236,7 @@ static int nl80211_send_station(struct s
- }
- nla_nest_end(msg, sinfoattr);
-
-- if (sinfo->assoc_req_ies)
-+ if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES)
- NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
- sinfo->assoc_req_ies);
-
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -415,36 +415,12 @@ static void ar9003_hw_set11n_ratescenari
- static void ar9003_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
- u32 aggrLen)
- {
--#define FIRST_DESC_NDELIMS 60
- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-
- ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
-
-- if (ah->ent_mode & AR_ENT_OTP_MPSD) {
-- u32 ctl17, ndelim;
-- /*
-- * Add delimiter when using RTS/CTS with aggregation
-- * and non enterprise AR9003 card
-- */
-- ctl17 = ads->ctl17;
-- ndelim = MS(ctl17, AR_PadDelim);
--
-- if (ndelim < FIRST_DESC_NDELIMS) {
-- aggrLen += (FIRST_DESC_NDELIMS - ndelim) * 4;
-- ndelim = FIRST_DESC_NDELIMS;
-- }
--
-- ctl17 &= ~AR_AggrLen;
-- ctl17 |= SM(aggrLen, AR_AggrLen);
--
-- ctl17 &= ~AR_PadDelim;
-- ctl17 |= SM(ndelim, AR_PadDelim);
--
-- ads->ctl17 = ctl17;
-- } else {
-- ads->ctl17 &= ~AR_AggrLen;
-- ads->ctl17 |= SM(aggrLen, AR_AggrLen);
-- }
-+ ads->ctl17 &= ~AR_AggrLen;
-+ ads->ctl17 |= SM(aggrLen, AR_AggrLen);
- }
-
- static void ar9003_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -565,7 +565,6 @@ set_timer:
- static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
- {
- struct ath_node *an;
-- struct ath_hw *ah = sc->sc_ah;
- an = (struct ath_node *)sta->drv_priv;
-
- #ifdef CONFIG_ATH9K_DEBUGFS
-@@ -574,9 +573,6 @@ static void ath_node_attach(struct ath_s
- spin_unlock(&sc->nodes_lock);
- an->sta = sta;
- #endif
-- if ((ah->caps.hw_caps) & ATH9K_HW_CAP_APM)
-- sc->sc_flags |= SC_OP_ENABLE_APM;
--
- if (sc->sc_flags & SC_OP_TXAGGR) {
- ath_tx_node_init(sc, an);
- an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
-@@ -826,11 +822,9 @@ irqreturn_t ath_isr(int irq, void *dev)
- if (status & ATH9K_INT_TXURN)
- ath9k_hw_updatetxtriglevel(ah, true);
-
-- if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-- if (status & ATH9K_INT_RXEOL) {
-- ah->imask &= ~(ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
-- ath9k_hw_set_interrupts(ah, ah->imask);
-- }
-+ if (status & ATH9K_INT_RXEOL) {
-+ ah->imask &= ~(ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
-+ ath9k_hw_set_interrupts(ah, ah->imask);
- }
-
- if (status & ATH9K_INT_MIB) {
-@@ -1680,6 +1674,7 @@ static int ath9k_config(struct ieee80211
-
- if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- struct ieee80211_channel *curchan = hw->conf.channel;
-+ struct ath9k_channel old_chan;
- int pos = curchan->hw_value;
- int old_pos = -1;
- unsigned long flags;
-@@ -1696,15 +1691,25 @@ static int ath9k_config(struct ieee80211
- "Set channel: %d MHz type: %d\n",
- curchan->center_freq, conf->channel_type);
-
-- ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
-- curchan, conf->channel_type);
--
- /* update survey stats for the old channel before switching */
- spin_lock_irqsave(&common->cc_lock, flags);
- ath_update_survey_stats(sc);
- spin_unlock_irqrestore(&common->cc_lock, flags);
-
- /*
-+ * Preserve the current channel values, before updating
-+ * the same channel
-+ */
-+ if (old_pos == pos) {
-+ memcpy(&old_chan, &sc->sc_ah->channels[pos],
-+ sizeof(struct ath9k_channel));
-+ ah->curchan = &old_chan;
-+ }
-+
-+ ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
-+ curchan, conf->channel_type);
-+
-+ /*
- * If the operating channel changes, change the survey in-use flags
- * along with it.
- * Reset the survey data for the new channel, unless we're switching
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -761,7 +761,7 @@ static struct ath_buf *ath_get_next_rx_b
- * on. All this is necessary because of our use of
- * a self-linked list to avoid rx overruns.
- */
-- ret = ath9k_hw_rxprocdesc(ah, ds, rs, 0);
-+ ret = ath9k_hw_rxprocdesc(ah, ds, rs);
- if (ret == -EINPROGRESS) {
- struct ath_rx_status trs;
- struct ath_buf *tbf;
-@@ -787,7 +787,7 @@ static struct ath_buf *ath_get_next_rx_b
- */
-
- tds = tbf->bf_desc;
-- ret = ath9k_hw_rxprocdesc(ah, tds, &trs, 0);
-+ ret = ath9k_hw_rxprocdesc(ah, tds, &trs);
- if (ret == -EINPROGRESS)
- return NULL;
- }
-@@ -1978,5 +1978,10 @@ requeue:
-
- spin_unlock_bh(&sc->rx.rxbuflock);
-
-+ if (!(ah->imask & ATH9K_INT_RXEOL)) {
-+ ah->imask |= (ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
-+ ath9k_hw_set_interrupts(ah, ah->imask);
-+ }
-+
- return 0;
- }
---- a/drivers/net/wireless/ath/ath9k/mac.c
-+++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -345,21 +345,8 @@ int ath9k_hw_setuptxqueue(struct ath_hw
- }
- memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
- qi->tqi_type = type;
-- if (qinfo == NULL) {
-- qi->tqi_qflags =
-- TXQ_FLAG_TXOKINT_ENABLE
-- | TXQ_FLAG_TXERRINT_ENABLE
-- | TXQ_FLAG_TXDESCINT_ENABLE | TXQ_FLAG_TXURNINT_ENABLE;
-- qi->tqi_aifs = INIT_AIFS;
-- qi->tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
-- qi->tqi_cwmax = INIT_CWMAX;
-- qi->tqi_shretry = INIT_SH_RETRY;
-- qi->tqi_lgretry = INIT_LG_RETRY;
-- qi->tqi_physCompBuf = 0;
-- } else {
-- qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
-- (void) ath9k_hw_set_txq_props(ah, q, qinfo);
-- }
-+ qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
-+ (void) ath9k_hw_set_txq_props(ah, q, qinfo);
-
- return q;
- }
-@@ -564,7 +551,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw
- EXPORT_SYMBOL(ath9k_hw_resettxqueue);
-
- int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
-- struct ath_rx_status *rs, u64 tsf)
-+ struct ath_rx_status *rs)
- {
- struct ar5416_desc ads;
- struct ar5416_desc *adsp = AR5416DESC(ds);
---- a/drivers/net/wireless/ath/ath9k/mac.h
-+++ b/drivers/net/wireless/ath/ath9k/mac.h
-@@ -687,7 +687,7 @@ int ath9k_hw_setuptxqueue(struct ath_hw
- bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q);
- bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q);
- int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
-- struct ath_rx_status *rs, u64 tsf);
-+ struct ath_rx_status *rs);
- void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
- u32 size, u32 flags);
- bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set);
---- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-@@ -839,20 +839,8 @@ static bool ar9003_hw_init_cal(struct at
- struct ath9k_channel *chan)
- {
- struct ath_common *common = ath9k_hw_common(ah);
-- struct ath9k_hw_capabilities *pCap = &ah->caps;
-- int val;
- bool txiqcal_done = false;
-
-- val = REG_READ(ah, AR_ENT_OTP);
-- ath_dbg(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val);
--
-- /* Configure rx/tx chains before running AGC/TxiQ cals */
-- if (val & AR_ENT_OTP_CHAIN2_DISABLE)
-- ar9003_hw_set_chain_masks(ah, 0x3, 0x3);
-- else
-- ar9003_hw_set_chain_masks(ah, pCap->rx_chainmask,
-- pCap->tx_chainmask);
--
- /* Do Tx IQ Calibration */
- REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1,
- AR_PHY_TX_IQCAL_CONTROL_1_IQCORR_I_Q_COFF_DELPT,
-@@ -887,9 +875,6 @@ static bool ar9003_hw_init_cal(struct at
- if (txiqcal_done)
- ar9003_hw_tx_iq_cal_post_proc(ah);
-
-- /* 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 */