static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -424,8 +424,8 @@ u32 ath_calcrxfilter(struct ath_softc *s
+@@ -286,7 +286,6 @@ int ath_rx_init(struct ath_softc *sc, in
+
+ spin_lock_init(&sc->sc_pcu_lock);
+ spin_lock_init(&sc->rx.rxbuflock);
+- clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
+
+ common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 +
+ sc->sc_ah->caps.rx_status_len;
+@@ -424,8 +423,8 @@ u32 ath_calcrxfilter(struct ath_softc *s
rfilt |= ATH9K_RX_FILTER_COMP_BAR;
if (sc->nvifs > 1 || (sc->rx.rxfilter & FIF_OTHER_BSS)) {
rfilt |= ATH9K_RX_FILTER_PROM;
rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
}
+@@ -473,6 +472,13 @@ start_recv:
+ return 0;
+ }
+
++static void ath_flushrecv(struct ath_softc *sc)
++{
++ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
++ ath_rx_tasklet(sc, 1, true);
++ ath_rx_tasklet(sc, 1, false);
++}
++
+ bool ath_stoprecv(struct ath_softc *sc)
+ {
+ struct ath_hw *ah = sc->sc_ah;
+@@ -483,6 +489,8 @@ bool ath_stoprecv(struct ath_softc *sc)
+ ath9k_hw_setrxfilter(ah, 0);
+ stopped = ath9k_hw_stopdmarecv(ah, &reset);
+
++ ath_flushrecv(sc);
++
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+ ath_edma_stop_recv(sc);
+ else
+@@ -499,15 +507,6 @@ bool ath_stoprecv(struct ath_softc *sc)
+ return stopped && !reset;
+ }
+
+-void ath_flushrecv(struct ath_softc *sc)
+-{
+- set_bit(SC_OP_RXFLUSH, &sc->sc_flags);
+- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+- ath_rx_tasklet(sc, 1, true);
+- ath_rx_tasklet(sc, 1, false);
+- clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
+-}
+-
+ static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
+ {
+ /* Check whether the Beacon frame has DTIM indicating buffered bc/mc */
+@@ -744,6 +743,7 @@ static struct ath_buf *ath_get_next_rx_b
+ return NULL;
+ }
+
++ list_del(&bf->list);
+ if (!bf->bf_mpdu)
+ return bf;
+
+@@ -1066,9 +1066,6 @@ int ath_rx_tasklet(struct ath_softc *sc,
+
+ do {
+ bool decrypt_error = false;
+- /* If handling rx interrupt and flush is in progress => exit */
+- if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags) && (flush == 0))
+- break;
+
+ memset(&rs, 0, sizeof(rs));
+ if (edma)
+@@ -1108,15 +1105,6 @@ int ath_rx_tasklet(struct ath_softc *sc,
+ sc->rx.num_pkts++;
+ ath_debug_stat_rx(sc, &rs);
+
+- /*
+- * If we're asked to flush receive queue, directly
+- * chain it back at the queue without processing it.
+- */
+- if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags)) {
+- RX_STAT_INC(rx_drop_rxflush);
+- goto requeue_drop_frag;
+- }
+-
+ memset(rxs, 0, sizeof(struct ieee80211_rx_status));
+
+ rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
+@@ -1251,14 +1239,15 @@ requeue_drop_frag:
+ sc->rx.frag = NULL;
+ }
+ requeue:
++ list_add_tail(&bf->list, &sc->rx.rxbuf);
++ if (!flush)
++ continue;
++
+ if (edma) {
+- list_add_tail(&bf->list, &sc->rx.rxbuf);
+ ath_rx_edma_buf_link(sc, qtype);
+ } else {
+- list_move_tail(&bf->list, &sc->rx.rxbuf);
+ ath_rx_buf_link(sc, bf);
+- if (!flush)
+- ath9k_hw_rxena(ah);
++ ath9k_hw_rxena(ah);
+ }
+ } while (1);
+
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -818,23 +818,71 @@ void ieee80211_sta_process_chanswitch(st
ah->enabled_cals |= TX_IQ_ON_AGC_CAL;
}
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -324,7 +324,6 @@ struct ath_rx {
+
+ int ath_startrecv(struct ath_softc *sc);
+ bool ath_stoprecv(struct ath_softc *sc);
+-void ath_flushrecv(struct ath_softc *sc);
+ u32 ath_calcrxfilter(struct ath_softc *sc);
+ int ath_rx_init(struct ath_softc *sc, int nbufs);
+ void ath_rx_cleanup(struct ath_softc *sc);
+@@ -627,7 +626,6 @@ void ath_ant_comb_update(struct ath_soft
+ enum sc_op_flags {
+ SC_OP_INVALID,
+ SC_OP_BEACONS,
+- SC_OP_RXFLUSH,
+ SC_OP_ANI_RUN,
+ SC_OP_PRIM_STA_VIF,
+ SC_OP_HW_RESET,
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -147,6 +147,7 @@ static struct ath_buf *ath9k_beacon_gene
+ skb->len, DMA_TO_DEVICE);
+ dev_kfree_skb_any(skb);
+ bf->bf_buf_addr = 0;
++ bf->bf_mpdu = NULL;
+ }
+
+ skb = ieee80211_beacon_get(hw, vif);
+@@ -359,7 +360,6 @@ void ath9k_beacon_tasklet(unsigned long
+ return;
+
+ bf = ath9k_beacon_generate(sc->hw, vif);
+- WARN_ON(!bf);
+
+ if (sc->beacon.bmisscnt != 0) {
+ ath_dbg(common, BSTUCK, "resume beacon xmit after %u misses\n",
+--- a/drivers/net/wireless/ath/ath9k/debug.c
++++ b/drivers/net/wireless/ath/ath9k/debug.c
+@@ -919,7 +919,6 @@ static ssize_t read_file_recv(struct fil
+ RXS_ERR("RX-LENGTH-ERR", rx_len_err);
+ RXS_ERR("RX-OOM-ERR", rx_oom_err);
+ RXS_ERR("RX-RATE-ERR", rx_rate_err);
+- RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
+ RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
+
+ PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
+--- a/drivers/net/wireless/ath/ath9k/debug.h
++++ b/drivers/net/wireless/ath/ath9k/debug.h
+@@ -198,7 +198,6 @@ struct ath_tx_stats {
+ * @rx_oom_err: No. of frames dropped due to OOM issues.
+ * @rx_rate_err: No. of frames dropped due to rate errors.
+ * @rx_too_many_frags_err: Frames dropped due to too-many-frags received.
+- * @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
+ * @rx_beacons: No. of beacons received.
+ * @rx_frags: No. of rx-fragements received.
+ */
+@@ -217,7 +216,6 @@ struct ath_rx_stats {
+ u32 rx_oom_err;
+ u32 rx_rate_err;
+ u32 rx_too_many_frags_err;
+- u32 rx_drop_rxflush;
+ u32 rx_beacons;
+ u32 rx_frags;
+ };
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -181,7 +181,7 @@ static void ath_restart_work(struct ath_
+ ath_start_ani(sc);
+ }
+
+-static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
++static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx)
+ {
+ struct ath_hw *ah = sc->sc_ah;
+ bool ret = true;
+@@ -195,19 +195,15 @@ static bool ath_prepare_reset(struct ath
+ ath9k_debug_samp_bb_mac(sc);
+ ath9k_hw_disable_interrupts(ah);
+
++ tasklet_disable(&sc->intr_tq);
++
+ if (!ath_stoprecv(sc))
+ ret = false;
+
+ if (!ath_drain_all_txq(sc, retry_tx))
+ ret = false;
+
+- if (!flush) {
+- if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+- ath_rx_tasklet(sc, 1, true);
+- ath_rx_tasklet(sc, 1, false);
+- } else {
+- ath_flushrecv(sc);
+- }
++ tasklet_enable(&sc->intr_tq);
+
+ return ret;
+ }
+@@ -261,7 +257,6 @@ static int ath_reset_internal(struct ath
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_hw_cal_data *caldata = NULL;
+ bool fastcc = true;
+- bool flush = false;
+ int r;
+
+ __ath_cancel_work(sc);
+@@ -275,11 +270,10 @@ static int ath_reset_internal(struct ath
+
+ if (!hchan) {
+ fastcc = false;
+- flush = true;
+ hchan = ah->curchan;
+ }
+
+- if (!ath_prepare_reset(sc, retry_tx, flush))
++ if (!ath_prepare_reset(sc, retry_tx))
+ fastcc = false;
+
+ ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
+@@ -821,7 +815,7 @@ static void ath9k_stop(struct ieee80211_
+ ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+ }
+
+- ath_prepare_reset(sc, false, true);
++ ath_prepare_reset(sc, false);
+
+ if (sc->rx.frag) {
+ dev_kfree_skb_any(sc->rx.frag);
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -659,6 +659,7 @@ struct ath_softc {
+@@ -657,6 +657,7 @@ struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
struct survey_info *cur_survey;
struct survey_info survey[ATH9K_NUM_CHANNELS];
-@@ -734,6 +735,7 @@ struct ath_softc {
+@@ -732,6 +733,7 @@ struct ath_softc {
#endif
};
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -1579,6 +1579,50 @@ static const struct file_operations fops
+@@ -1578,6 +1578,50 @@ static const struct file_operations fops
.owner = THIS_MODULE
};
int ath9k_init_debug(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
-@@ -1653,5 +1697,8 @@ int ath9k_init_debug(struct ath_hw *ah)
+@@ -1652,5 +1696,8 @@ int ath9k_init_debug(struct ath_hw *ah)
debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
&fops_eeprom);
}
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1127,7 +1127,7 @@ static void ath9k_disable_ps(struct ath_
+@@ -1121,7 +1121,7 @@ static void ath9k_disable_ps(struct ath_
ath_dbg(common, PS, "PowerSave disabled\n");
}
{
struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
-@@ -1181,9 +1181,11 @@ static int ath9k_config(struct ieee80211
+@@ -1175,9 +1175,11 @@ static int ath9k_config(struct ieee80211
if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
struct ieee80211_channel *curchan = hw->conf.channel;
if (ah->curchan)
old_pos = ah->curchan - &ah->channels[0];
-@@ -1226,7 +1228,23 @@ static int ath9k_config(struct ieee80211
+@@ -1220,7 +1222,23 @@ static int ath9k_config(struct ieee80211
memset(&sc->survey[pos], 0, sizeof(struct survey_info));
}