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

Conflicts:
	net/bluetooth/Makefile

35 files changed, 1571 insertions, 1287 deletions

diff --git a/drivers/net/wireless/ath/ath5k/Makefile b/drivers/net/wireless/ath/ath5k/Makefile
index 67dd9fd..f60b389 100644
--- a/drivers/net/wireless/ath/ath5k/Makefile
+++ b/drivers/net/wireless/ath/ath5k/Makefile
@@ -14,6 +14,7 @@ ath5k-y				+= led.o
 ath5k-y				+= rfkill.o
 ath5k-y				+= ani.o
 ath5k-y				+= sysfs.o
+ath5k-y				+= mac80211-ops.o
 ath5k-$(CONFIG_ATH5K_DEBUG)	+= debug.o
 ath5k-$(CONFIG_ATH5K_AHB)	+= ahb.o
 ath5k-$(CONFIG_ATH5K_PCI)	+= pci.o
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index d6e7440..407e39c 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -154,10 +154,6 @@
 		udelay(1);						\
 } while (0)
 
-/* Register dumps are done per operation mode */
-#define AR5K_INI_RFGAIN_5GHZ		0
-#define AR5K_INI_RFGAIN_2GHZ		1
-
 /*
  * Some tuneable values (these should be changeable by the user)
  * TODO: Make use of them and add more options OR use debug/configfs
@@ -1107,12 +1103,14 @@ struct ath5k_hw {
 		/* Values in 0.25dB units */
 		s16		txp_min_pwr;
 		s16		txp_max_pwr;
+		s16		txp_cur_pwr;
 		/* Values in 0.5dB units */
 		s16		txp_offset;
 		s16		txp_ofdm;
 		s16		txp_cck_ofdm_gainf_delta;
 		/* Value in dB units */
 		s16		txp_cck_ofdm_pwr_delta;
+		bool		txp_setup;
 	} ah_txpower;
 
 	struct {
@@ -1320,7 +1318,7 @@ void ath5k_hw_set_antenna_switch(struct ath5k_hw *ah, u8 ee_mode);
 int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower);
 /* Init function */
 int ath5k_hw_phy_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
-				u8 mode, u8 ee_mode, u8 freq, bool fast);
+				u8 mode, bool fast);
 
 /*
  * Functions used internaly
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 9dbc1fa..cdac5cf 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -276,7 +276,7 @@ int ath5k_hw_init(struct ath5k_softc *sc)
 	/*
 	 * Write PCI-E power save settings
 	 */
-	if ((ah->ah_version == AR5K_AR5212) && pdev && (pdev->is_pcie)) {
+	if ((ah->ah_version == AR5K_AR5212) && pdev && (pci_is_pcie(pdev))) {
 		ath5k_hw_reg_write(ah, 0x9248fc00, AR5K_PCIE_SERDES);
 		ath5k_hw_reg_write(ah, 0x24924924, AR5K_PCIE_SERDES);
 
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index e4ec40c..019a74d 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -61,8 +61,8 @@
 #include "debug.h"
 #include "ani.h"
 
-static int modparam_nohwcrypt;
-module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+int ath5k_modparam_nohwcrypt;
+module_param_named(nohwcrypt, ath5k_modparam_nohwcrypt, bool, S_IRUGO);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 
 static int modparam_all_channels;
@@ -79,9 +79,8 @@ MODULE_LICENSE("Dual BSD/GPL");
 static int ath5k_init(struct ieee80211_hw *hw);
 static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
 								bool skip_pcu);
-static int ath5k_beacon_update(struct ieee80211_hw *hw,
-		struct ieee80211_vif *vif);
-static void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf);
+int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf);
 
 /* Known SREVs */
 static const struct ath5k_srev_name srev_names[] = {
@@ -177,38 +176,6 @@ static const struct ieee80211_rate ath5k_rates[] = {
 	/* XR missing */
 };
 
-static inline void ath5k_txbuf_free_skb(struct ath5k_softc *sc,
-				struct ath5k_buf *bf)
-{
-	BUG_ON(!bf);
-	if (!bf->skb)
-		return;
-	dma_unmap_single(sc->dev, bf->skbaddr, bf->skb->len,
-			DMA_TO_DEVICE);
-	dev_kfree_skb_any(bf->skb);
-	bf->skb = NULL;
-	bf->skbaddr = 0;
-	bf->desc->ds_data = 0;
-}
-
-static inline void ath5k_rxbuf_free_skb(struct ath5k_softc *sc,
-				struct ath5k_buf *bf)
-{
-	struct ath5k_hw *ah = sc->ah;
-	struct ath_common *common = ath5k_hw_common(ah);
-
-	BUG_ON(!bf);
-	if (!bf->skb)
-		return;
-	dma_unmap_single(sc->dev, bf->skbaddr, common->rx_bufsize,
-			DMA_FROM_DEVICE);
-	dev_kfree_skb_any(bf->skb);
-	bf->skb = NULL;
-	bf->skbaddr = 0;
-	bf->desc->ds_data = 0;
-}
-
-
 static inline u64 ath5k_extend_tsf(struct ath5k_hw *ah, u32 rstamp)
 {
 	u64 tsf = ath5k_hw_get_tsf64(ah);
@@ -462,7 +429,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
  *
  * Called with sc->lock.
  */
-static int
+int
 ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
 {
 	ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
@@ -537,8 +504,9 @@ static void ath_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 			iter_data->opmode = avf->opmode;
 }
 
-static void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
-					       struct ieee80211_vif *vif)
+void
+ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
+				   struct ieee80211_vif *vif)
 {
 	struct ath_common *common = ath5k_hw_common(sc->ah);
 	struct ath_vif_iter_data iter_data;
@@ -577,7 +545,7 @@ static void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
 		ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask);
 }
 
-static void
+void
 ath5k_mode_setup(struct ath5k_softc *sc, struct ieee80211_vif *vif)
 {
 	struct ath5k_hw *ah = sc->ah;
@@ -887,6 +855,37 @@ err:
 	return ret;
 }
 
+void
+ath5k_txbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf)
+{
+	BUG_ON(!bf);
+	if (!bf->skb)
+		return;
+	dma_unmap_single(sc->dev, bf->skbaddr, bf->skb->len,
+			DMA_TO_DEVICE);
+	dev_kfree_skb_any(bf->skb);
+	bf->skb = NULL;
+	bf->skbaddr = 0;
+	bf->desc->ds_data = 0;
+}
+
+void
+ath5k_rxbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf)
+{
+	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
+
+	BUG_ON(!bf);
+	if (!bf->skb)
+		return;
+	dma_unmap_single(sc->dev, bf->skbaddr, common->rx_bufsize,
+			DMA_FROM_DEVICE);
+	dev_kfree_skb_any(bf->skb);
+	bf->skb = NULL;
+	bf->skbaddr = 0;
+	bf->desc->ds_data = 0;
+}
+
 static void
 ath5k_desc_free(struct ath5k_softc *sc)
 {
@@ -1534,8 +1533,9 @@ unlock:
 * TX Handling *
 \*************/
 
-static int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
-			  struct ath5k_txq *txq)
+int
+ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
+	       struct ath5k_txq *txq)
 {
 	struct ath5k_softc *sc = hw->priv;
 	struct ath5k_buf *bf;
@@ -1801,7 +1801,7 @@ err_unmap:
  *
  * Called with the beacon lock.
  */
-static int
+int
 ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
 	int ret;
@@ -1947,7 +1947,7 @@ ath5k_beacon_send(struct ath5k_softc *sc)
  * when we otherwise know we have to update the timers, but we keep it in this
  * function to have it all together in one place.
  */
-static void
+void
 ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
 {
 	struct ath5k_hw *ah = sc->ah;
@@ -2049,7 +2049,7 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
  * In IBSS mode we use a self-linked tx descriptor if possible. We enable SWBA
  * interrupts to detect TSF updates only.
  */
-static void
+void
 ath5k_beacon_config(struct ath5k_softc *sc)
 {
 	struct ath5k_hw *ah = sc->ah;
@@ -2525,7 +2525,7 @@ ath5k_stop_locked(struct ath5k_softc *sc)
 	return 0;
 }
 
-static int
+int
 ath5k_init_hw(struct ath5k_softc *sc)
 {
 	struct ath5k_hw *ah = sc->ah;
@@ -2601,7 +2601,7 @@ static void stop_tasklets(struct ath5k_softc *sc)
  * if another thread does a system call and the thread doing the
  * stop is preempted).
  */
-static int
+int
 ath5k_stop_hw(struct ath5k_softc *sc)
 {
 	int ret;
@@ -2703,11 +2703,11 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
 
 	/* clear survey data and cycle counters */
 	memset(&sc->survey, 0, sizeof(sc->survey));
-	spin_lock(&common->cc_lock);
+	spin_lock_bh(&common->cc_lock);
 	ath_hw_cycle_counters_update(common);
 	memset(&common->cc_survey, 0, sizeof(common->cc_survey));
 	memset(&common->cc_ani, 0, sizeof(common->cc_ani));
-	spin_unlock(&common->cc_lock);
+	spin_unlock_bh(&common->cc_lock);
 
 	/*
 	 * Change channels and update the h/w rate map if we're switching;
@@ -2939,230 +2939,8 @@ ath5k_deinit_softc(struct ath5k_softc *sc)
 	free_irq(sc->irq, sc);
 }
 
-/********************\
-* Mac80211 functions *
-\********************/
-
-static int
-ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
-	struct ath5k_softc *sc = hw->priv;
-	u16 qnum = skb_get_queue_mapping(skb);
-
-	if (WARN_ON(qnum >= sc->ah->ah_capabilities.cap_queues.q_tx_num)) {
-		dev_kfree_skb_any(skb);
-		return 0;
-	}
-
-	return ath5k_tx_queue(hw, skb, &sc->txqs[qnum]);
-}
-
-static int ath5k_start(struct ieee80211_hw *hw)
-{
-	return ath5k_init_hw(hw->priv);
-}
-
-static void ath5k_stop(struct ieee80211_hw *hw)
-{
-	ath5k_stop_hw(hw->priv);
-}
-
-static int ath5k_add_interface(struct ieee80211_hw *hw,
-		struct ieee80211_vif *vif)
-{
-	struct ath5k_softc *sc = hw->priv;
-	int ret;
-	struct ath5k_vif *avf = (void *)vif->drv_priv;
-
-	mutex_lock(&sc->lock);
-
-	if ((vif->type == NL80211_IFTYPE_AP ||
-	     vif->type == NL80211_IFTYPE_ADHOC)
-	    && (sc->num_ap_vifs + sc->num_adhoc_vifs) >= ATH_BCBUF) {
-		ret = -ELNRNG;
-		goto end;
-	}
-
-	/* Don't allow other interfaces if one ad-hoc is configured.
-	 * TODO: Fix the problems with ad-hoc and multiple other interfaces.
-	 * We would need to operate the HW in ad-hoc mode to allow TSF updates
-	 * for the IBSS, but this breaks with additional AP or STA interfaces
-	 * at the moment. */
-	if (sc->num_adhoc_vifs ||
-	    (sc->nvifs && vif->type == NL80211_IFTYPE_ADHOC)) {
-		ATH5K_ERR(sc, "Only one single ad-hoc interface is allowed.\n");
-		ret = -ELNRNG;
-		goto end;
-	}
-
-	switch (vif->type) {
-	case NL80211_IFTYPE_AP:
-	case NL80211_IFTYPE_STATION:
-	case NL80211_IFTYPE_ADHOC:
-	case NL80211_IFTYPE_MESH_POINT:
-		avf->opmode = vif->type;
-		break;
-	default:
-		ret = -EOPNOTSUPP;
-		goto end;
-	}
-
-	sc->nvifs++;
-	ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "add interface mode %d\n", avf->opmode);
-
-	/* Assign the vap/adhoc to a beacon xmit slot. */
-	if ((avf->opmode == NL80211_IFTYPE_AP) ||
-	    (avf->opmode == NL80211_IFTYPE_ADHOC) ||
-	    (avf->opmode == NL80211_IFTYPE_MESH_POINT)) {
-		int slot;
-
-		WARN_ON(list_empty(&sc->bcbuf));
-		avf->bbuf = list_first_entry(&sc->bcbuf, struct ath5k_buf,
-					     list);
-		list_del(&avf->bbuf->list);
-
-		avf->bslot = 0;
-		for (slot = 0; slot < ATH_BCBUF; slot++) {
-			if (!sc->bslot[slot]) {
-				avf->bslot = slot;
-				break;
-			}
-		}
-		BUG_ON(sc->bslot[avf->bslot] != NULL);
-		sc->bslot[avf->bslot] = vif;
-		if (avf->opmode == NL80211_IFTYPE_AP)
-			sc->num_ap_vifs++;
-		else if (avf->opmode == NL80211_IFTYPE_ADHOC)
-			sc->num_adhoc_vifs++;
-	}
-
-	/* Any MAC address is fine, all others are included through the
-	 * filter.
-	 */
-	memcpy(&sc->lladdr, vif->addr, ETH_ALEN);
-	ath5k_hw_set_lladdr(sc->ah, vif->addr);
-
-	memcpy(&avf->lladdr, vif->addr, ETH_ALEN);
-
-	ath5k_mode_setup(sc, vif);
-
-	ret = 0;
-end:
-	mutex_unlock(&sc->lock);
-	return ret;
-}
-
-static void
-ath5k_remove_interface(struct ieee80211_hw *hw,
-			struct ieee80211_vif *vif)
-{
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_vif *avf = (void *)vif->drv_priv;
-	unsigned int i;
-
-	mutex_lock(&sc->lock);
-	sc->nvifs--;
-
-	if (avf->bbuf) {
-		ath5k_txbuf_free_skb(sc, avf->bbuf);
-		list_add_tail(&avf->bbuf->list, &sc->bcbuf);
-		for (i = 0; i < ATH_BCBUF; i++) {
-			if (sc->bslot[i] == vif) {
-				sc->bslot[i] = NULL;
-				break;
-			}
-		}
-		avf->bbuf = NULL;
-	}
-	if (avf->opmode == NL80211_IFTYPE_AP)
-		sc->num_ap_vifs--;
-	else if (avf->opmode == NL80211_IFTYPE_ADHOC)
-		sc->num_adhoc_vifs--;
-
-	ath5k_update_bssid_mask_and_opmode(sc, NULL);
-	mutex_unlock(&sc->lock);
-}
-
-/*
- * TODO: Phy disable/diversity etc
- */
-static int
-ath5k_config(struct ieee80211_hw *hw, u32 changed)
-{
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_hw *ah = sc->ah;
-	struct ieee80211_conf *conf = &hw->conf;
-	int ret = 0;
-
-	mutex_lock(&sc->lock);
-
-	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
-		ret = ath5k_chan_set(sc, conf->channel);
-		if (ret < 0)
-			goto unlock;
-	}
-
-	if ((changed & IEEE80211_CONF_CHANGE_POWER) &&
-	(sc->power_level != conf->power_level)) {
-		sc->power_level = conf->power_level;
-
-		/* Half dB steps */
-		ath5k_hw_set_txpower_limit(ah, (conf->power_level * 2));
-	}
-
-	/* TODO:
-	 * 1) Move this on config_interface and handle each case
-	 * separately eg. when we have only one STA vif, use
-	 * AR5K_ANTMODE_SINGLE_AP
-	 *
-	 * 2) Allow the user to change antenna mode eg. when only
-	 * one antenna is present
-	 *
-	 * 3) Allow the user to set default/tx antenna when possible
-	 *
-	 * 4) Default mode should handle 90% of the cases, together
-	 * with fixed a/b and single AP modes we should be able to
-	 * handle 99%. Sectored modes are extreme cases and i still
-	 * haven't found a usage for them. If we decide to support them,
-	 * then we must allow the user to set how many tx antennas we
-	 * have available
-	 */
-	ath5k_hw_set_antenna_mode(ah, ah->ah_ant_mode);
-
-unlock:
-	mutex_unlock(&sc->lock);
-	return ret;
-}
-
-static u64 ath5k_prepare_multicast(struct ieee80211_hw *hw,
-				   struct netdev_hw_addr_list *mc_list)
-{
-	u32 mfilt[2], val;
-	u8 pos;
-	struct netdev_hw_addr *ha;
-
-	mfilt[0] = 0;
-	mfilt[1] = 1;
-
-	netdev_hw_addr_list_for_each(ha, mc_list) {
-		/* calculate XOR of eight 6-bit values */
-		val = get_unaligned_le32(ha->addr + 0);
-		pos = (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
-		val = get_unaligned_le32(ha->addr + 3);
-		pos ^= (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
-		pos &= 0x3f;
-		mfilt[pos / 32] |= (1 << (pos % 32));
-		/* XXX: we might be able to just do this instead,
-		* but not sure, needs testing, if we do use this we'd
-		* neet to inform below to not reset the mcast */
-		/* ath5k_hw_set_mcast_filterindex(ah,
-		 *      ha->addr[5]); */
-	}
-
-	return ((u64)(mfilt[1]) << 32) | mfilt[0];
-}
-
-static bool ath_any_vif_assoc(struct ath5k_softc *sc)
+bool
+ath_any_vif_assoc(struct ath5k_softc *sc)
 {
 	struct ath_vif_iter_data iter_data;
 	iter_data.hw_macaddr = NULL;
@@ -3175,262 +2953,7 @@ static bool ath_any_vif_assoc(struct ath5k_softc *sc)
 	return iter_data.any_assoc;
 }
 
-#define SUPPORTED_FIF_FLAGS \
-	FIF_PROMISC_IN_BSS |  FIF_ALLMULTI | FIF_FCSFAIL | \
-	FIF_PLCPFAIL | FIF_CONTROL | FIF_OTHER_BSS | \
-	FIF_BCN_PRBRESP_PROMISC
-/*
- * o always accept unicast, broadcast, and multicast traffic
- * o multicast traffic for all BSSIDs will be enabled if mac80211
- *   says it should be
- * o maintain current state of phy ofdm or phy cck error reception.
- *   If the hardware detects any of these type of errors then
- *   ath5k_hw_get_rx_filter() will pass to us the respective
- *   hardware filters to be able to receive these type of frames.
- * o probe request frames are accepted only when operating in
- *   hostap, adhoc, or monitor modes
- * o enable promiscuous mode according to the interface state
- * o accept beacons:
- *   - when operating in adhoc mode so the 802.11 layer creates
- *     node table entries for peers,
- *   - when operating in station mode for collecting rssi data when
- *     the station is otherwise quiet, or
- *   - when scanning
- */
-static void ath5k_configure_filter(struct ieee80211_hw *hw,
-		unsigned int changed_flags,
-		unsigned int *new_flags,
-		u64 multicast)
-{
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_hw *ah = sc->ah;
-	u32 mfilt[2], rfilt;
-
-	mutex_lock(&sc->lock);
-
-	mfilt[0] = multicast;
-	mfilt[1] = multicast >> 32;
-
-	/* Only deal with supported flags */
-	changed_flags &= SUPPORTED_FIF_FLAGS;
-	*new_flags &= SUPPORTED_FIF_FLAGS;
-
-	/* If HW detects any phy or radar errors, leave those filters on.
-	 * Also, always enable Unicast, Broadcasts and Multicast
-	 * XXX: move unicast, bssid broadcasts and multicast to mac80211 */
-	rfilt = (ath5k_hw_get_rx_filter(ah) & (AR5K_RX_FILTER_PHYERR)) |
-		(AR5K_RX_FILTER_UCAST | AR5K_RX_FILTER_BCAST |
-		AR5K_RX_FILTER_MCAST);
-
-	if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) {
-		if (*new_flags & FIF_PROMISC_IN_BSS) {
-			__set_bit(ATH_STAT_PROMISC, sc->status);
-		} else {
-			__clear_bit(ATH_STAT_PROMISC, sc->status);
-		}
-	}
-
-	if (test_bit(ATH_STAT_PROMISC, sc->status))
-		rfilt |= AR5K_RX_FILTER_PROM;
-
-	/* Note, AR5K_RX_FILTER_MCAST is already enabled */
-	if (*new_flags & FIF_ALLMULTI) {
-		mfilt[0] =  ~0;
-		mfilt[1] =  ~0;
-	}
-
-	/* This is the best we can do */
-	if (*new_flags & (FIF_FCSFAIL | FIF_PLCPFAIL))
-		rfilt |= AR5K_RX_FILTER_PHYERR;
-
-	/* FIF_BCN_PRBRESP_PROMISC really means to enable beacons
-	* and probes for any BSSID */
-	if ((*new_flags & FIF_BCN_PRBRESP_PROMISC) || (sc->nvifs > 1))
-		rfilt |= AR5K_RX_FILTER_BEACON;
-
-	/* FIF_CONTROL doc says that if FIF_PROMISC_IN_BSS is not
-	 * set we should only pass on control frames for this
-	 * station. This needs testing. I believe right now this
-	 * enables *all* control frames, which is OK.. but
-	 * but we should see if we can improve on granularity */
-	if (*new_flags & FIF_CONTROL)
-		rfilt |= AR5K_RX_FILTER_CONTROL;
-
-	/* Additional settings per mode -- this is per ath5k */
-
-	/* XXX move these to mac80211, and add a beacon IFF flag to mac80211 */
-
-	switch (sc->opmode) {
-	case NL80211_IFTYPE_MESH_POINT:
-		rfilt |= AR5K_RX_FILTER_CONTROL |
-			 AR5K_RX_FILTER_BEACON |
-			 AR5K_RX_FILTER_PROBEREQ |
-			 AR5K_RX_FILTER_PROM;
-		break;
-	case NL80211_IFTYPE_AP:
-	case NL80211_IFTYPE_ADHOC:
-		rfilt |= AR5K_RX_FILTER_PROBEREQ |
-			 AR5K_RX_FILTER_BEACON;
-		break;
-	case NL80211_IFTYPE_STATION:
-		if (sc->assoc)
-			rfilt |= AR5K_RX_FILTER_BEACON;
-	default:
-		break;
-	}
-
-	/* Set filters */
-	ath5k_hw_set_rx_filter(ah, rfilt);
-
-	/* Set multicast bits */
-	ath5k_hw_set_mcast_filter(ah, mfilt[0], mfilt[1]);
-	/* Set the cached hw filter flags, this will later actually
-	 * be set in HW */
-	sc->filter_flags = rfilt;
-
-	mutex_unlock(&sc->lock);
-}
-
-static int
-ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
-	      struct ieee80211_vif *vif, struct ieee80211_sta *sta,
-	      struct ieee80211_key_conf *key)
-{
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_hw *ah = sc->ah;
-	struct ath_common *common = ath5k_hw_common(ah);
-	int ret = 0;
-
-	if (modparam_nohwcrypt)
-		return -EOPNOTSUPP;
-
-	switch (key->cipher) {
-	case WLAN_CIPHER_SUITE_WEP40:
-	case WLAN_CIPHER_SUITE_WEP104:
-	case WLAN_CIPHER_SUITE_TKIP:
-		break;
-	case WLAN_CIPHER_SUITE_CCMP:
-		if (common->crypt_caps & ATH_CRYPT_CAP_CIPHER_AESCCM)
-			break;
-		return -EOPNOTSUPP;
-	default:
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	mutex_lock(&sc->lock);
-
-	switch (cmd) {
-	case SET_KEY:
-		ret = ath_key_config(common, vif, sta, key);
-		if (ret >= 0) {
-			key->hw_key_idx = ret;
-			/* push IV and Michael MIC generation to stack */
-			key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-			if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
-				key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
-			if (key->cipher == WLAN_CIPHER_SUITE_CCMP)
-				key->flags |= IEEE80211_KEY_FLAG_SW_MGMT;
-			ret = 0;
-		}
-		break;
-	case DISABLE_KEY:
-		ath_key_delete(common, key);
-		break;
-	default:
-		ret = -EINVAL;
-	}
-
-	mmiowb();
-	mutex_unlock(&sc->lock);
-	return ret;
-}
-
-static int
-ath5k_get_stats(struct ieee80211_hw *hw,
-		struct ieee80211_low_level_stats *stats)
-{
-	struct ath5k_softc *sc = hw->priv;
-
-	/* Force update */
-	ath5k_hw_update_mib_counters(sc->ah);
-
-	stats->dot11ACKFailureCount = sc->stats.ack_fail;
-	stats->dot11RTSFailureCount = sc->stats.rts_fail;
-	stats->dot11RTSSuccessCount = sc->stats.rts_ok;
-	stats->dot11FCSErrorCount = sc->stats.fcs_error;
-
-	return 0;
-}
-
-static int ath5k_get_survey(struct ieee80211_hw *hw, int idx,
-		struct survey_info *survey)
-{
-	struct ath5k_softc *sc = hw->priv;
-	struct ieee80211_conf *conf = &hw->conf;
-	struct ath_common *common = ath5k_hw_common(sc->ah);
-	struct ath_cycle_counters *cc = &common->cc_survey;
-	unsigned int div = common->clockrate * 1000;
-
-	if (idx != 0)
-		return -ENOENT;
-
-	spin_lock_bh(&common->cc_lock);
-	ath_hw_cycle_counters_update(common);
-	if (cc->cycles > 0) {
-		sc->survey.channel_time += cc->cycles / div;
-		sc->survey.channel_time_busy += cc->rx_busy / div;
-		sc->survey.channel_time_rx += cc->rx_frame / div;
-		sc->survey.channel_time_tx += cc->tx_frame / div;
-	}
-	memset(cc, 0, sizeof(*cc));
-	spin_unlock_bh(&common->cc_lock);
-
-	memcpy(survey, &sc->survey, sizeof(*survey));
-
-	survey->channel = conf->channel;
-	survey->noise = sc->ah->ah_noise_floor;
-	survey->filled = SURVEY_INFO_NOISE_DBM |
-			SURVEY_INFO_CHANNEL_TIME |
-			SURVEY_INFO_CHANNEL_TIME_BUSY |
-			SURVEY_INFO_CHANNEL_TIME_RX |
-			SURVEY_INFO_CHANNEL_TIME_TX;
-
-	return 0;
-}
-
-static u64
-ath5k_get_tsf(struct ieee80211_hw *hw)
-{
-	struct ath5k_softc *sc = hw->priv;
-
-	return ath5k_hw_get_tsf64(sc->ah);
-}
-
-static void
-ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
-{
-	struct ath5k_softc *sc = hw->priv;
-
-	ath5k_hw_set_tsf64(sc->ah, tsf);
-}
-
-static void
-ath5k_reset_tsf(struct ieee80211_hw *hw)
-{
-	struct ath5k_softc *sc = hw->priv;
-
-	/*
-	 * in IBSS mode we need to update the beacon timers too.
-	 * this will also reset the TSF if we call it with 0
-	 */
-	if (sc->opmode == NL80211_IFTYPE_ADHOC)
-		ath5k_beacon_update_timers(sc, 0);
-	else
-		ath5k_hw_reset_tsf(sc->ah);
-}
-
-static void
+void
 set_beacon_filter(struct ieee80211_hw *hw, bool enable)
 {
 	struct ath5k_softc *sc = hw->priv;
@@ -3444,189 +2967,3 @@ set_beacon_filter(struct ieee80211_hw *hw, bool enable)
 	ath5k_hw_set_rx_filter(ah, rfilt);
 	sc->filter_flags = rfilt;
 }
-
-static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
-				    struct ieee80211_vif *vif,
-				    struct ieee80211_bss_conf *bss_conf,
-				    u32 changes)
-{
-	struct ath5k_vif *avf = (void *)vif->drv_priv;
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_hw *ah = sc->ah;
-	struct ath_common *common = ath5k_hw_common(ah);
-	unsigned long flags;
-
-	mutex_lock(&sc->lock);
-
-	if (changes & BSS_CHANGED_BSSID) {
-		/* Cache for later use during resets */
-		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
-		common->curaid = 0;
-		ath5k_hw_set_bssid(ah);
-		mmiowb();
-	}
-
-	if (changes & BSS_CHANGED_BEACON_INT)
-		sc->bintval = bss_conf->beacon_int;
-
-	if (changes & BSS_CHANGED_ASSOC) {
-		avf->assoc = bss_conf->assoc;
-		if (bss_conf->assoc)
-			sc->assoc = bss_conf->assoc;
-		else
-			sc->assoc = ath_any_vif_assoc(sc);
-
-		if (sc->opmode == NL80211_IFTYPE_STATION)
-			set_beacon_filter(hw, sc->assoc);
-		ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
-			AR5K_LED_ASSOC : AR5K_LED_INIT);
-		if (bss_conf->assoc) {
-			ATH5K_DBG(sc, ATH5K_DEBUG_ANY,
-				  "Bss Info ASSOC %d, bssid: %pM\n",
-				  bss_conf->aid, common->curbssid);
-			common->curaid = bss_conf->aid;
-			ath5k_hw_set_bssid(ah);
-			/* Once ANI is available you would start it here */
-		}
-	}
-
-	if (changes & BSS_CHANGED_BEACON) {
-		spin_lock_irqsave(&sc->block, flags);
-		ath5k_beacon_update(hw, vif);
-		spin_unlock_irqrestore(&sc->block, flags);
-	}
-
-	if (changes & BSS_CHANGED_BEACON_ENABLED)
-		sc->enable_beacon = bss_conf->enable_beacon;
-
-	if (changes & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED |
-		       BSS_CHANGED_BEACON_INT))
-		ath5k_beacon_config(sc);
-
-	mutex_unlock(&sc->lock);
-}
-
-static void ath5k_sw_scan_start(struct ieee80211_hw *hw)
-{
-	struct ath5k_softc *sc = hw->priv;
-	if (!sc->assoc)
-		ath5k_hw_set_ledstate(sc->ah, AR5K_LED_SCAN);
-}
-
-static void ath5k_sw_scan_complete(struct ieee80211_hw *hw)
-{
-	struct ath5k_softc *sc = hw->priv;
-	ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
-		AR5K_LED_ASSOC : AR5K_LED_INIT);
-}
-
-/**
- * ath5k_set_coverage_class - Set IEEE 802.11 coverage class
- *
- * @hw: struct ieee80211_hw pointer
- * @coverage_class: IEEE 802.11 coverage class number
- *
- * Mac80211 callback. Sets slot time, ACK timeout and CTS timeout for given
- * coverage class. The values are persistent, they are restored after device
- * reset.
- */
-static void ath5k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
-{
-	struct ath5k_softc *sc = hw->priv;
-
-	mutex_lock(&sc->lock);
-	ath5k_hw_set_coverage_class(sc->ah, coverage_class);
-	mutex_unlock(&sc->lock);
-}
-
-static int ath5k_conf_tx(struct ieee80211_hw *hw, u16 queue,
-			 const struct ieee80211_tx_queue_params *params)
-{
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_hw *ah = sc->ah;
-	struct ath5k_txq_info qi;
-	int ret = 0;
-
-	if (queue >= ah->ah_capabilities.cap_queues.q_tx_num)
-		return 0;
-
-	mutex_lock(&sc->lock);
-
-	ath5k_hw_get_tx_queueprops(ah, queue, &qi);
-
-	qi.tqi_aifs = params->aifs;
-	qi.tqi_cw_min = params->cw_min;
-	qi.tqi_cw_max = params->cw_max;
-	qi.tqi_burst_time = params->txop;
-
-	ATH5K_DBG(sc, ATH5K_DEBUG_ANY,
-		  "Configure tx [queue %d],  "
-		  "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
-		  queue, params->aifs, params->cw_min,
-		  params->cw_max, params->txop);
-
-	if (ath5k_hw_set_tx_queueprops(ah, queue, &qi)) {
-		ATH5K_ERR(sc,
-			  "Unable to update hardware queue %u!\n", queue);
-		ret = -EIO;
-	} else
-		ath5k_hw_reset_tx_queue(ah, queue);
-
-	mutex_unlock(&sc->lock);
-
-	return ret;
-}
-
-static int ath5k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
-{
-	struct ath5k_softc *sc = hw->priv;
-
-	if (tx_ant == 1 && rx_ant == 1)
-		ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
-	else if (tx_ant == 2 && rx_ant == 2)
-		ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
-	else if ((tx_ant & 3) == 3 && (rx_ant & 3) == 3)
-		ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
-	else
-		return -EINVAL;
-	return 0;
-}
-
-static int ath5k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
-{
-	struct ath5k_softc *sc = hw->priv;
-
-	switch (sc->ah->ah_ant_mode) {
-	case AR5K_ANTMODE_FIXED_A:
-		*tx_ant = 1; *rx_ant = 1; break;
-	case AR5K_ANTMODE_FIXED_B:
-		*tx_ant = 2; *rx_ant = 2; break;
-	case AR5K_ANTMODE_DEFAULT:
-		*tx_ant = 3; *rx_ant = 3; break;
-	}
-	return 0;
-}
-
-const struct ieee80211_ops ath5k_hw_ops = {
-	.tx 		= ath5k_tx,
-	.start 		= ath5k_start,
-	.stop 		= ath5k_stop,
-	.add_interface 	= ath5k_add_interface,
-	.remove_interface = ath5k_remove_interface,
-	.config 	= ath5k_config,
-	.prepare_multicast = ath5k_prepare_multicast,
-	.configure_filter = ath5k_configure_filter,
-	.set_key 	= ath5k_set_key,
-	.get_stats 	= ath5k_get_stats,
-	.get_survey	= ath5k_get_survey,
-	.conf_tx	= ath5k_conf_tx,
-	.get_tsf 	= ath5k_get_tsf,
-	.set_tsf 	= ath5k_set_tsf,
-	.reset_tsf 	= ath5k_reset_tsf,
-	.bss_info_changed = ath5k_bss_info_changed,
-	.sw_scan_start	= ath5k_sw_scan_start,
-	.sw_scan_complete = ath5k_sw_scan_complete,
-	.set_coverage_class = ath5k_set_coverage_class,
-	.set_antenna	= ath5k_set_antenna,
-	.get_antenna	= ath5k_get_antenna,
-};
diff --git a/drivers/net/wireless/ath/ath5k/eeprom.c b/drivers/net/wireless/ath/ath5k/eeprom.c
index 97eaa9a..80e6256 100644
--- a/drivers/net/wireless/ath/ath5k/eeprom.c
+++ b/drivers/net/wireless/ath/ath5k/eeprom.c
@@ -1802,3 +1802,19 @@ ath5k_eeprom_detach(struct ath5k_hw *ah)
 	for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++)
 		ath5k_eeprom_free_pcal_info(ah, mode);
 }
+
+int
+ath5k_eeprom_mode_from_channel(struct ieee80211_channel *channel)
+{
+	switch (channel->hw_value & CHANNEL_MODES) {
+	case CHANNEL_A:
+	case CHANNEL_XR:
+		return AR5K_EEPROM_MODE_11A;
+	case CHANNEL_G:
+		return AR5K_EEPROM_MODE_11G;
+	case CHANNEL_B:
+		return AR5K_EEPROM_MODE_11B;
+	default:
+		return -1;
+	}
+}
diff --git a/drivers/net/wireless/ath/ath5k/eeprom.h b/drivers/net/wireless/ath/ath5k/eeprom.h
index 0017006..7c09e15 100644
--- a/drivers/net/wireless/ath/ath5k/eeprom.h
+++ b/drivers/net/wireless/ath/ath5k/eeprom.h
@@ -517,3 +517,5 @@ struct ath5k_eeprom_info {
 	u32	ee_antenna[AR5K_EEPROM_N_MODES][AR5K_ANT_MAX];
 };
 
+int
+ath5k_eeprom_mode_from_channel(struct ieee80211_channel *channel);
diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
new file mode 100644
index 0000000..d76d68c
--- /dev/null
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -0,0 +1,774 @@
+/*-
+ * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
+ * Copyright (c) 2004-2005 Atheros Communications, Inc.
+ * Copyright (c) 2006 Devicescape Software, Inc.
+ * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
+ * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
+ * Copyright (c) 2010 Bruno Randolf <br1@einfach.org>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
+ *    redistribution must be conditioned upon including a substantially
+ *    similar Disclaimer requirement for further binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+
+#include <asm/unaligned.h>
+
+#include "base.h"
+#include "reg.h"
+
+extern int ath5k_modparam_nohwcrypt;
+
+/* functions used from base.c */
+void set_beacon_filter(struct ieee80211_hw *hw, bool enable);
+bool ath_any_vif_assoc(struct ath5k_softc *sc);
+int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
+		   struct ath5k_txq *txq);
+int ath5k_init_hw(struct ath5k_softc *sc);
+int ath5k_stop_hw(struct ath5k_softc *sc);
+void ath5k_mode_setup(struct ath5k_softc *sc, struct ieee80211_vif *vif);
+void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
+					struct ieee80211_vif *vif);
+int ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan);
+void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf);
+int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+void ath5k_beacon_config(struct ath5k_softc *sc);
+void ath5k_txbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf);
+void ath5k_rxbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf);
+
+/********************\
+* Mac80211 functions *
+\********************/
+
+static int
+ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+	struct ath5k_softc *sc = hw->priv;
+	u16 qnum = skb_get_queue_mapping(skb);
+
+	if (WARN_ON(qnum >= sc->ah->ah_capabilities.cap_queues.q_tx_num)) {
+		dev_kfree_skb_any(skb);
+		return 0;
+	}
+
+	return ath5k_tx_queue(hw, skb, &sc->txqs[qnum]);
+}
+
+
+static int
+ath5k_start(struct ieee80211_hw *hw)
+{
+	return ath5k_init_hw(hw->priv);
+}
+
+
+static void
+ath5k_stop(struct ieee80211_hw *hw)
+{
+	ath5k_stop_hw(hw->priv);
+}
+
+
+static int
+ath5k_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	struct ath5k_softc *sc = hw->priv;
+	int ret;
+	struct ath5k_vif *avf = (void *)vif->drv_priv;
+
+	mutex_lock(&sc->lock);
+
+	if ((vif->type == NL80211_IFTYPE_AP ||
+	     vif->type == NL80211_IFTYPE_ADHOC)
+	    && (sc->num_ap_vifs + sc->num_adhoc_vifs) >= ATH_BCBUF) {
+		ret = -ELNRNG;
+		goto end;
+	}
+
+	/* Don't allow other interfaces if one ad-hoc is configured.
+	 * TODO: Fix the problems with ad-hoc and multiple other interfaces.
+	 * We would need to operate the HW in ad-hoc mode to allow TSF updates
+	 * for the IBSS, but this breaks with additional AP or STA interfaces
+	 * at the moment. */
+	if (sc->num_adhoc_vifs ||
+	    (sc->nvifs && vif->type == NL80211_IFTYPE_ADHOC)) {
+		ATH5K_ERR(sc, "Only one single ad-hoc interface is allowed.\n");
+		ret = -ELNRNG;
+		goto end;
+	}
+
+	switch (vif->type) {
+	case NL80211_IFTYPE_AP:
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_ADHOC:
+	case NL80211_IFTYPE_MESH_POINT:
+		avf->opmode = vif->type;
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+		goto end;
+	}
+
+	sc->nvifs++;
+	ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "add interface mode %d\n", avf->opmode);
+
+	/* Assign the vap/adhoc to a beacon xmit slot. */
+	if ((avf->opmode == NL80211_IFTYPE_AP) ||
+	    (avf->opmode == NL80211_IFTYPE_ADHOC) ||
+	    (avf->opmode == NL80211_IFTYPE_MESH_POINT)) {
+		int slot;
+
+		WARN_ON(list_empty(&sc->bcbuf));
+		avf->bbuf = list_first_entry(&sc->bcbuf, struct ath5k_buf,
+					     list);
+		list_del(&avf->bbuf->list);
+
+		avf->bslot = 0;
+		for (slot = 0; slot < ATH_BCBUF; slot++) {
+			if (!sc->bslot[slot]) {
+				avf->bslot = slot;
+				break;
+			}
+		}
+		BUG_ON(sc->bslot[avf->bslot] != NULL);
+		sc->bslot[avf->bslot] = vif;
+		if (avf->opmode == NL80211_IFTYPE_AP)
+			sc->num_ap_vifs++;
+		else if (avf->opmode == NL80211_IFTYPE_ADHOC)
+			sc->num_adhoc_vifs++;
+	}
+
+	/* Any MAC address is fine, all others are included through the
+	 * filter.
+	 */
+	memcpy(&sc->lladdr, vif->addr, ETH_ALEN);
+	ath5k_hw_set_lladdr(sc->ah, vif->addr);
+
+	memcpy(&avf->lladdr, vif->addr, ETH_ALEN);
+
+	ath5k_mode_setup(sc, vif);
+
+	ret = 0;
+end:
+	mutex_unlock(&sc->lock);
+	return ret;
+}
+
+
+static void
+ath5k_remove_interface(struct ieee80211_hw *hw,
+		       struct ieee80211_vif *vif)
+{
+	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_vif *avf = (void *)vif->drv_priv;
+	unsigned int i;
+
+	mutex_lock(&sc->lock);
+	sc->nvifs--;
+
+	if (avf->bbuf) {
+		ath5k_txbuf_free_skb(sc, avf->bbuf);
+		list_add_tail(&avf->bbuf->list, &sc->bcbuf);
+		for (i = 0; i < ATH_BCBUF; i++) {
+			if (sc->bslot[i] == vif) {
+				sc->bslot[i] = NULL;
+				break;
+			}
+		}
+		avf->bbuf = NULL;
+	}
+	if (avf->opmode == NL80211_IFTYPE_AP)
+		sc->num_ap_vifs--;
+	else if (avf->opmode == NL80211_IFTYPE_ADHOC)
+		sc->num_adhoc_vifs--;
+
+	ath5k_update_bssid_mask_and_opmode(sc, NULL);
+	mutex_unlock(&sc->lock);
+}
+
+
+/*
+ * TODO: Phy disable/diversity etc
+ */
+static int
+ath5k_config(struct ieee80211_hw *hw, u32 changed)
+{
+	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = sc->ah;
+	struct ieee80211_conf *conf = &hw->conf;
+	int ret = 0;
+
+	mutex_lock(&sc->lock);
+
+	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+		ret = ath5k_chan_set(sc, conf->channel);
+		if (ret < 0)
+			goto unlock;
+	}
+
+	if ((changed & IEEE80211_CONF_CHANGE_POWER) &&
+	(sc->power_level != conf->power_level)) {
+		sc->power_level = conf->power_level;
+
+		/* Half dB steps */
+		ath5k_hw_set_txpower_limit(ah, (conf->power_level * 2));
+	}
+
+	/* TODO:
+	 * 1) Move this on config_interface and handle each case
+	 * separately eg. when we have only one STA vif, use
+	 * AR5K_ANTMODE_SINGLE_AP
+	 *
+	 * 2) Allow the user to change antenna mode eg. when only
+	 * one antenna is present
+	 *
+	 * 3) Allow the user to set default/tx antenna when possible
+	 *
+	 * 4) Default mode should handle 90% of the cases, together
+	 * with fixed a/b and single AP modes we should be able to
+	 * handle 99%. Sectored modes are extreme cases and i still
+	 * haven't found a usage for them. If we decide to support them,
+	 * then we must allow the user to set how many tx antennas we
+	 * have available
+	 */
+	ath5k_hw_set_antenna_mode(ah, ah->ah_ant_mode);
+
+unlock:
+	mutex_unlock(&sc->lock);
+	return ret;
+}
+
+
+static void
+ath5k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		       struct ieee80211_bss_conf *bss_conf, u32 changes)
+{
+	struct ath5k_vif *avf = (void *)vif->drv_priv;
+	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
+	unsigned long flags;
+
+	mutex_lock(&sc->lock);
+
+	if (changes & BSS_CHANGED_BSSID) {
+		/* Cache for later use during resets */
+		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
+		common->curaid = 0;
+		ath5k_hw_set_bssid(ah);
+		mmiowb();
+	}
+
+	if (changes & BSS_CHANGED_BEACON_INT)
+		sc->bintval = bss_conf->beacon_int;
+
+	if (changes & BSS_CHANGED_ASSOC) {
+		avf->assoc = bss_conf->assoc;
+		if (bss_conf->assoc)
+			sc->assoc = bss_conf->assoc;
+		else
+			sc->assoc = ath_any_vif_assoc(sc);
+
+		if (sc->opmode == NL80211_IFTYPE_STATION)
+			set_beacon_filter(hw, sc->assoc);
+		ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
+			AR5K_LED_ASSOC : AR5K_LED_INIT);
+		if (bss_conf->assoc) {
+			ATH5K_DBG(sc, ATH5K_DEBUG_ANY,
+				  "Bss Info ASSOC %d, bssid: %pM\n",
+				  bss_conf->aid, common->curbssid);
+			common->curaid = bss_conf->aid;
+			ath5k_hw_set_bssid(ah);
+			/* Once ANI is available you would start it here */
+		}
+	}
+
+	if (changes & BSS_CHANGED_BEACON) {
+		spin_lock_irqsave(&sc->block, flags);
+		ath5k_beacon_update(hw, vif);
+		spin_unlock_irqrestore(&sc->block, flags);
+	}
+
+	if (changes & BSS_CHANGED_BEACON_ENABLED)
+		sc->enable_beacon = bss_conf->enable_beacon;
+
+	if (changes & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED |
+		       BSS_CHANGED_BEACON_INT))
+		ath5k_beacon_config(sc);
+
+	mutex_unlock(&sc->lock);
+}
+
+
+static u64
+ath5k_prepare_multicast(struct ieee80211_hw *hw,
+			struct netdev_hw_addr_list *mc_list)
+{
+	u32 mfilt[2], val;
+	u8 pos;
+	struct netdev_hw_addr *ha;
+
+	mfilt[0] = 0;
+	mfilt[1] = 1;
+
+	netdev_hw_addr_list_for_each(ha, mc_list) {
+		/* calculate XOR of eight 6-bit values */
+		val = get_unaligned_le32(ha->addr + 0);
+		pos = (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
+		val = get_unaligned_le32(ha->addr + 3);
+		pos ^= (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
+		pos &= 0x3f;
+		mfilt[pos / 32] |= (1 << (pos % 32));
+		/* XXX: we might be able to just do this instead,
+		* but not sure, needs testing, if we do use this we'd
+		* neet to inform below to not reset the mcast */
+		/* ath5k_hw_set_mcast_filterindex(ah,
+		 *      ha->addr[5]); */
+	}
+
+	return ((u64)(mfilt[1]) << 32) | mfilt[0];
+}
+
+
+/*
+ * o always accept unicast, broadcast, and multicast traffic
+ * o multicast traffic for all BSSIDs will be enabled if mac80211
+ *   says it should be
+ * o maintain current state of phy ofdm or phy cck error reception.
+ *   If the hardware detects any of these type of errors then
+ *   ath5k_hw_get_rx_filter() will pass to us the respective
+ *   hardware filters to be able to receive these type of frames.
+ * o probe request frames are accepted only when operating in
+ *   hostap, adhoc, or monitor modes
+ * o enable promiscuous mode according to the interface state
+ * o accept beacons:
+ *   - when operating in adhoc mode so the 802.11 layer creates
+ *     node table entries for peers,
+ *   - when operating in station mode for collecting rssi data when
+ *     the station is otherwise quiet, or
+ *   - when scanning
+ */
+static void
+ath5k_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
+		       unsigned int *new_flags, u64 multicast)
+{
+#define SUPPORTED_FIF_FLAGS \
+	(FIF_PROMISC_IN_BSS |  FIF_ALLMULTI | FIF_FCSFAIL | \
+	FIF_PLCPFAIL | FIF_CONTROL | FIF_OTHER_BSS | \
+	FIF_BCN_PRBRESP_PROMISC)
+
+	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = sc->ah;
+	u32 mfilt[2], rfilt;
+
+	mutex_lock(&sc->lock);
+
+	mfilt[0] = multicast;
+	mfilt[1] = multicast >> 32;
+
+	/* Only deal with supported flags */
+	changed_flags &= SUPPORTED_FIF_FLAGS;
+	*new_flags &= SUPPORTED_FIF_FLAGS;
+
+	/* If HW detects any phy or radar errors, leave those filters on.
+	 * Also, always enable Unicast, Broadcasts and Multicast
+	 * XXX: move unicast, bssid broadcasts and multicast to mac80211 */
+	rfilt = (ath5k_hw_get_rx_filter(ah) & (AR5K_RX_FILTER_PHYERR)) |
+		(AR5K_RX_FILTER_UCAST | AR5K_RX_FILTER_BCAST |
+		AR5K_RX_FILTER_MCAST);
+
+	if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) {
+		if (*new_flags & FIF_PROMISC_IN_BSS)
+			__set_bit(ATH_STAT_PROMISC, sc->status);
+		else
+			__clear_bit(ATH_STAT_PROMISC, sc->status);
+	}
+
+	if (test_bit(ATH_STAT_PROMISC, sc->status))
+		rfilt |= AR5K_RX_FILTER_PROM;
+
+	/* Note, AR5K_RX_FILTER_MCAST is already enabled */
+	if (*new_flags & FIF_ALLMULTI) {
+		mfilt[0] =  ~0;
+		mfilt[1] =  ~0;
+	}
+
+	/* This is the best we can do */
+	if (*new_flags & (FIF_FCSFAIL | FIF_PLCPFAIL))
+		rfilt |= AR5K_RX_FILTER_PHYERR;
+
+	/* FIF_BCN_PRBRESP_PROMISC really means to enable beacons
+	* and probes for any BSSID */
+	if ((*new_flags & FIF_BCN_PRBRESP_PROMISC) || (sc->nvifs > 1))
+		rfilt |= AR5K_RX_FILTER_BEACON;
+
+	/* FIF_CONTROL doc says that if FIF_PROMISC_IN_BSS is not
+	 * set we should only pass on control frames for this
+	 * station. This needs testing. I believe right now this
+	 * enables *all* control frames, which is OK.. but
+	 * but we should see if we can improve on granularity */
+	if (*new_flags & FIF_CONTROL)
+		rfilt |= AR5K_RX_FILTER_CONTROL;
+
+	/* Additional settings per mode -- this is per ath5k */
+
+	/* XXX move these to mac80211, and add a beacon IFF flag to mac80211 */
+
+	switch (sc->opmode) {
+	case NL80211_IFTYPE_MESH_POINT:
+		rfilt |= AR5K_RX_FILTER_CONTROL |
+			 AR5K_RX_FILTER_BEACON |
+			 AR5K_RX_FILTER_PROBEREQ |
+			 AR5K_RX_FILTER_PROM;
+		break;
+	case NL80211_IFTYPE_AP:
+	case NL80211_IFTYPE_ADHOC:
+		rfilt |= AR5K_RX_FILTER_PROBEREQ |
+			 AR5K_RX_FILTER_BEACON;
+		break;
+	case NL80211_IFTYPE_STATION:
+		if (sc->assoc)
+			rfilt |= AR5K_RX_FILTER_BEACON;
+	default:
+		break;
+	}
+
+	/* Set filters */
+	ath5k_hw_set_rx_filter(ah, rfilt);
+
+	/* Set multicast bits */
+	ath5k_hw_set_mcast_filter(ah, mfilt[0], mfilt[1]);
+	/* Set the cached hw filter flags, this will later actually
+	 * be set in HW */
+	sc->filter_flags = rfilt;
+
+	mutex_unlock(&sc->lock);
+}
+
+
+static int
+ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+	      struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+	      struct ieee80211_key_conf *key)
+{
+	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
+	int ret = 0;
+
+	if (ath5k_modparam_nohwcrypt)
+		return -EOPNOTSUPP;
+
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_WEP40:
+	case WLAN_CIPHER_SUITE_WEP104:
+	case WLAN_CIPHER_SUITE_TKIP:
+		break;
+	case WLAN_CIPHER_SUITE_CCMP:
+		if (common->crypt_caps & ATH_CRYPT_CAP_CIPHER_AESCCM)
+			break;
+		return -EOPNOTSUPP;
+	default:
+		WARN_ON(1);
+		return -EINVAL;
+	}
+
+	mutex_lock(&sc->lock);
+
+	switch (cmd) {
+	case SET_KEY:
+		ret = ath_key_config(common, vif, sta, key);
+		if (ret >= 0) {
+			key->hw_key_idx = ret;
+			/* push IV and Michael MIC generation to stack */
+			key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+			if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
+				key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+			if (key->cipher == WLAN_CIPHER_SUITE_CCMP)
+				key->flags |= IEEE80211_KEY_FLAG_SW_MGMT;
+			ret = 0;
+		}
+		break;
+	case DISABLE_KEY:
+		ath_key_delete(common, key);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	mmiowb();
+	mutex_unlock(&sc->lock);
+	return ret;
+}
+
+
+static void
+ath5k_sw_scan_start(struct ieee80211_hw *hw)
+{
+	struct ath5k_softc *sc = hw->priv;
+	if (!sc->assoc)
+		ath5k_hw_set_ledstate(sc->ah, AR5K_LED_SCAN);
+}
+
+
+static void
+ath5k_sw_scan_complete(struct ieee80211_hw *hw)
+{
+	struct ath5k_softc *sc = hw->priv;
+	ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
+		AR5K_LED_ASSOC : AR5K_LED_INIT);
+}
+
+
+static int
+ath5k_get_stats(struct ieee80211_hw *hw,
+		struct ieee80211_low_level_stats *stats)
+{
+	struct ath5k_softc *sc = hw->priv;
+
+	/* Force update */
+	ath5k_hw_update_mib_counters(sc->ah);
+
+	stats->dot11ACKFailureCount = sc->stats.ack_fail;
+	stats->dot11RTSFailureCount = sc->stats.rts_fail;
+	stats->dot11RTSSuccessCount = sc->stats.rts_ok;
+	stats->dot11FCSErrorCount = sc->stats.fcs_error;
+
+	return 0;
+}
+
+
+static int
+ath5k_conf_tx(struct ieee80211_hw *hw, u16 queue,
+	      const struct ieee80211_tx_queue_params *params)
+{
+	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_txq_info qi;
+	int ret = 0;
+
+	if (queue >= ah->ah_capabilities.cap_queues.q_tx_num)
+		return 0;
+
+	mutex_lock(&sc->lock);
+
+	ath5k_hw_get_tx_queueprops(ah, queue, &qi);
+
+	qi.tqi_aifs = params->aifs;
+	qi.tqi_cw_min = params->cw_min;
+	qi.tqi_cw_max = params->cw_max;
+	qi.tqi_burst_time = params->txop;
+
+	ATH5K_DBG(sc, ATH5K_DEBUG_ANY,
+		  "Configure tx [queue %d],  "
+		  "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
+		  queue, params->aifs, params->cw_min,
+		  params->cw_max, params->txop);
+
+	if (ath5k_hw_set_tx_queueprops(ah, queue, &qi)) {
+		ATH5K_ERR(sc,
+			  "Unable to update hardware queue %u!\n", queue);
+		ret = -EIO;
+	} else
+		ath5k_hw_reset_tx_queue(ah, queue);
+
+	mutex_unlock(&sc->lock);
+
+	return ret;
+}
+
+
+static u64
+ath5k_get_tsf(struct ieee80211_hw *hw)
+{
+	struct ath5k_softc *sc = hw->priv;
+
+	return ath5k_hw_get_tsf64(sc->ah);
+}
+
+
+static void
+ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+	struct ath5k_softc *sc = hw->priv;
+
+	ath5k_hw_set_tsf64(sc->ah, tsf);
+}
+
+
+static void
+ath5k_reset_tsf(struct ieee80211_hw *hw)
+{
+	struct ath5k_softc *sc = hw->priv;
+
+	/*
+	 * in IBSS mode we need to update the beacon timers too.
+	 * this will also reset the TSF if we call it with 0
+	 */
+	if (sc->opmode == NL80211_IFTYPE_ADHOC)
+		ath5k_beacon_update_timers(sc, 0);
+	else
+		ath5k_hw_reset_tsf(sc->ah);
+}
+
+
+static int
+ath5k_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey)
+{
+	struct ath5k_softc *sc = hw->priv;
+	struct ieee80211_conf *conf = &hw->conf;
+	struct ath_common *common = ath5k_hw_common(sc->ah);
+	struct ath_cycle_counters *cc = &common->cc_survey;
+	unsigned int div = common->clockrate * 1000;
+
+	if (idx != 0)
+		return -ENOENT;
+
+	spin_lock_bh(&common->cc_lock);
+	ath_hw_cycle_counters_update(common);
+	if (cc->cycles > 0) {
+		sc->survey.channel_time += cc->cycles / div;
+		sc->survey.channel_time_busy += cc->rx_busy / div;
+		sc->survey.channel_time_rx += cc->rx_frame / div;
+		sc->survey.channel_time_tx += cc->tx_frame / div;
+	}
+	memset(cc, 0, sizeof(*cc));
+	spin_unlock_bh(&common->cc_lock);
+
+	memcpy(survey, &sc->survey, sizeof(*survey));
+
+	survey->channel = conf->channel;
+	survey->noise = sc->ah->ah_noise_floor;
+	survey->filled = SURVEY_INFO_NOISE_DBM |
+			SURVEY_INFO_CHANNEL_TIME |
+			SURVEY_INFO_CHANNEL_TIME_BUSY |
+			SURVEY_INFO_CHANNEL_TIME_RX |
+			SURVEY_INFO_CHANNEL_TIME_TX;
+
+	return 0;
+}
+
+
+/**
+ * ath5k_set_coverage_class - Set IEEE 802.11 coverage class
+ *
+ * @hw: struct ieee80211_hw pointer
+ * @coverage_class: IEEE 802.11 coverage class number
+ *
+ * Mac80211 callback. Sets slot time, ACK timeout and CTS timeout for given
+ * coverage class. The values are persistent, they are restored after device
+ * reset.
+ */
+static void
+ath5k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
+{
+	struct ath5k_softc *sc = hw->priv;
+
+	mutex_lock(&sc->lock);
+	ath5k_hw_set_coverage_class(sc->ah, coverage_class);
+	mutex_unlock(&sc->lock);
+}
+
+
+static int
+ath5k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+{
+	struct ath5k_softc *sc = hw->priv;
+
+	if (tx_ant == 1 && rx_ant == 1)
+		ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
+	else if (tx_ant == 2 && rx_ant == 2)
+		ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
+	else if ((tx_ant & 3) == 3 && (rx_ant & 3) == 3)
+		ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
+	else
+		return -EINVAL;
+	return 0;
+}
+
+
+static int
+ath5k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
+{
+	struct ath5k_softc *sc = hw->priv;
+
+	switch (sc->ah->ah_ant_mode) {
+	case AR5K_ANTMODE_FIXED_A:
+		*tx_ant = 1; *rx_ant = 1; break;
+	case AR5K_ANTMODE_FIXED_B:
+		*tx_ant = 2; *rx_ant = 2; break;
+	case AR5K_ANTMODE_DEFAULT:
+		*tx_ant = 3; *rx_ant = 3; break;
+	}
+	return 0;
+}
+
+
+const struct ieee80211_ops ath5k_hw_ops = {
+	.tx			= ath5k_tx,
+	.start			= ath5k_start,
+	.stop			= ath5k_stop,
+	.add_interface		= ath5k_add_interface,
+	/* .change_interface	= not implemented */
+	.remove_interface	= ath5k_remove_interface,
+	.config			= ath5k_config,
+	.bss_info_changed	= ath5k_bss_info_changed,
+	.prepare_multicast	= ath5k_prepare_multicast,
+	.configure_filter	= ath5k_configure_filter,
+	/* .set_tim		= not implemented */
+	.set_key		= ath5k_set_key,
+	/* .update_tkip_key	= not implemented */
+	/* .hw_scan		= not implemented */
+	.sw_scan_start		= ath5k_sw_scan_start,
+	.sw_scan_complete	= ath5k_sw_scan_complete,
+	.get_stats		= ath5k_get_stats,
+	/* .get_tkip_seq	= not implemented */
+	/* .set_frag_threshold	= not implemented */
+	/* .set_rts_threshold	= not implemented */
+	/* .sta_add		= not implemented */
+	/* .sta_remove		= not implemented */
+	/* .sta_notify		= not implemented */
+	.conf_tx		= ath5k_conf_tx,
+	.get_tsf		= ath5k_get_tsf,
+	.set_tsf		= ath5k_set_tsf,
+	.reset_tsf		= ath5k_reset_tsf,
+	/* .tx_last_beacon	= not implemented */
+	/* .ampdu_action	= not needed */
+	.get_survey		= ath5k_get_survey,
+	.set_coverage_class	= ath5k_set_coverage_class,
+	/* .rfkill_poll		= not implemented */
+	/* .flush		= not implemented */
+	/* .channel_switch	= not implemented */
+	/* .napi_poll		= not implemented */
+	.set_antenna		= ath5k_set_antenna,
+	.get_antenna		= ath5k_get_antenna,
+};
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index f84afb4..78c26fd 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -609,10 +609,10 @@ done:
 /* Write initial RF gain table to set the RF sensitivity
  * this one works on all RF chips and has nothing to do
  * with gain_F calibration */
-static int ath5k_hw_rfgain_init(struct ath5k_hw *ah, unsigned int freq)
+static int ath5k_hw_rfgain_init(struct ath5k_hw *ah, enum ieee80211_band band)
 {
 	const struct ath5k_ini_rfgain *ath5k_rfg;
-	unsigned int i, size;
+	unsigned int i, size, index;
 
 	switch (ah->ah_radio) {
 	case AR5K_RF5111:
@@ -644,17 +644,11 @@ static int ath5k_hw_rfgain_init(struct ath5k_hw *ah, unsigned int freq)
 		return -EINVAL;
 	}
 
-	switch (freq) {
-	case AR5K_INI_RFGAIN_2GHZ:
-	case AR5K_INI_RFGAIN_5GHZ:
-		break;
-	default:
-		return -EINVAL;
-	}
+	index = (band == IEEE80211_BAND_2GHZ) ? 1 : 0;
 
 	for (i = 0; i < size; i++) {
 		AR5K_REG_WAIT(i);
-		ath5k_hw_reg_write(ah, ath5k_rfg[i].rfg_value[freq],
+		ath5k_hw_reg_write(ah, ath5k_rfg[i].rfg_value[index],
 			(u32)ath5k_rfg[i].rfg_register);
 	}
 
@@ -1361,20 +1355,7 @@ void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
 		return;
 	}
 
-	switch (ah->ah_current_channel->hw_value & CHANNEL_MODES) {
-	case CHANNEL_A:
-	case CHANNEL_XR:
-		ee_mode = AR5K_EEPROM_MODE_11A;
-		break;
-	case CHANNEL_G:
-		ee_mode = AR5K_EEPROM_MODE_11G;
-		break;
-	default:
-	case CHANNEL_B:
-		ee_mode = AR5K_EEPROM_MODE_11B;
-		break;
-	}
-
+	ee_mode = ath5k_eeprom_mode_from_channel(ah->ah_current_channel);
 
 	/* completed NF calibration, test threshold */
 	nf = ath5k_hw_read_measured_noise_floor(ah);
@@ -1935,7 +1916,8 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
 	struct ieee80211_channel *channel = ah->ah_current_channel;
 	bool use_def_for_tx, update_def_on_tx, use_def_for_rts, fast_div;
 	bool use_def_for_sg;
-	u8 def_ant, tx_ant, ee_mode;
+	int ee_mode;
+	u8 def_ant, tx_ant;
 	u32 sta_id1 = 0;
 
 	/* if channel is not initialized yet we can't set the antennas
@@ -1947,18 +1929,8 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
 
 	def_ant = ah->ah_def_ant;
 
-	switch (channel->hw_value & CHANNEL_MODES) {
-	case CHANNEL_A:
-	case CHANNEL_XR:
-		ee_mode = AR5K_EEPROM_MODE_11A;
-		break;
-	case CHANNEL_G:
-		ee_mode = AR5K_EEPROM_MODE_11G;
-		break;
-	case CHANNEL_B:
-		ee_mode = AR5K_EEPROM_MODE_11B;
-		break;
-	default:
+	ee_mode = ath5k_eeprom_mode_from_channel(channel);
+	if (ee_mode < 0) {
 		ATH5K_ERR(ah->ah_sc,
 			"invalid channel: %d\n", channel->center_freq);
 		return;
@@ -2593,7 +2565,7 @@ ath5k_combine_linear_pcdac_curves(struct ath5k_hw *ah, s16* table_min,
 
 /* Write PCDAC values on hw */
 static void
-ath5k_setup_pcdac_table(struct ath5k_hw *ah)
+ath5k_write_pcdac_table(struct ath5k_hw *ah)
 {
 	u8 	*pcdac_out = ah->ah_txpower.txp_pd_table;
 	int	i;
@@ -2742,7 +2714,7 @@ ath5k_combine_pwr_to_pdadc_curves(struct ath5k_hw *ah,
 
 /* Write PDADC values on hw */
 static void
-ath5k_setup_pwr_to_pdadc_table(struct ath5k_hw *ah, u8 ee_mode)
+ath5k_write_pwr_to_pdadc_table(struct ath5k_hw *ah, u8 ee_mode)
 {
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	u8 *pdadc_out = ah->ah_txpower.txp_pd_table;
@@ -2957,8 +2929,7 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
 					(s16) pcinfo_R->freq,
 					pcinfo_L->max_pwr, pcinfo_R->max_pwr);
 
-	/* We are ready to go, fill PCDAC/PDADC
-	 * table and write settings on hardware */
+	/* Fill PCDAC/PDADC table */
 	switch (type) {
 	case AR5K_PWRTABLE_LINEAR_PCDAC:
 		/* For RF5112 we can have one or two curves
@@ -2971,9 +2942,6 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
 		 * match max power value with max
 		 * table index */
 		ah->ah_txpower.txp_offset = 64 - (table_max[0] / 2);
-
-		/* Write settings on hw */
-		ath5k_setup_pcdac_table(ah);
 		break;
 	case AR5K_PWRTABLE_PWR_TO_PCDAC:
 		/* We are done for RF5111 since it has only
@@ -2983,9 +2951,6 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
 		/* No rate powertable adjustment for RF5111 */
 		ah->ah_txpower.txp_min_idx = 0;
 		ah->ah_txpower.txp_offset = 0;
-
-		/* Write settings on hw */
-		ath5k_setup_pcdac_table(ah);
 		break;
 	case AR5K_PWRTABLE_PWR_TO_PDADC:
 		/* Set PDADC boundaries and fill
@@ -2993,9 +2958,6 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
 		ath5k_combine_pwr_to_pdadc_curves(ah, table_min, table_max,
 						ee->ee_pd_gains[ee_mode]);
 
-		/* Write settings on hw */
-		ath5k_setup_pwr_to_pdadc_table(ah, ee_mode);
-
 		/* Set txp.offset, note that table_min
 		 * can be negative */
 		ah->ah_txpower.txp_offset = table_min[0];
@@ -3004,9 +2966,20 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
 		return -EINVAL;
 	}
 
+	ah->ah_txpower.txp_setup = true;
+
 	return 0;
 }
 
+/* Write power table for current channel to hw */
+static void
+ath5k_write_channel_powertable(struct ath5k_hw *ah, u8 ee_mode, u8 type)
+{
+	if (type == AR5K_PWRTABLE_PWR_TO_PDADC)
+		ath5k_write_pwr_to_pdadc_table(ah, ee_mode);
+	else
+		ath5k_write_pcdac_table(ah);
+}
 
 /*
  * Per-rate tx power setting
@@ -3095,7 +3068,7 @@ ath5k_setup_rate_powertable(struct ath5k_hw *ah, u16 max_pwr,
 
 	/* Min/max in 0.25dB units */
 	ah->ah_txpower.txp_min_pwr = 2 * rates[7];
-	ah->ah_txpower.txp_max_pwr = 2 * rates[0];
+	ah->ah_txpower.txp_cur_pwr = 2 * rates[0];
 	ah->ah_txpower.txp_ofdm = rates[7];
 }
 
@@ -3105,9 +3078,11 @@ ath5k_setup_rate_powertable(struct ath5k_hw *ah, u16 max_pwr,
  */
 static int
 ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
-		u8 ee_mode, u8 txpower, bool fast)
+		 u8 txpower)
 {
 	struct ath5k_rate_pcal_info rate_info;
+	struct ieee80211_channel *curr_channel = ah->ah_current_channel;
+	int ee_mode;
 	u8 type;
 	int ret;
 
@@ -3116,6 +3091,13 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		return -EINVAL;
 	}
 
+	ee_mode = ath5k_eeprom_mode_from_channel(channel);
+	if (ee_mode < 0) {
+		ATH5K_ERR(ah->ah_sc,
+			"invalid channel: %d\n", channel->center_freq);
+		return -EINVAL;
+	}
+
 	/* Initialize TX power table */
 	switch (ah->ah_radio) {
 	case AR5K_RF5110:
@@ -3138,28 +3120,26 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		return -EINVAL;
 	}
 
-	/* If fast is set it means we are on the same channel/mode
-	 * so there is no need to recalculate the powertable, we 'll
-	 * just use the cached one */
-	if (!fast) {
+	/*
+	 * If we don't change channel/mode skip tx powertable calculation
+	 * and use the cached one.
+	 */
+	if (!ah->ah_txpower.txp_setup ||
+	    (channel->hw_value != curr_channel->hw_value) ||
+	    (channel->center_freq != curr_channel->center_freq)) {
 		/* Reset TX power values */
 		memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
 		ah->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER;
-		ah->ah_txpower.txp_min_pwr = 0;
-		ah->ah_txpower.txp_max_pwr = AR5K_TUNE_MAX_TXPOWER;
 
 		/* Calculate the powertable */
 		ret = ath5k_setup_channel_powertable(ah, channel,
 							ee_mode, type);
 		if (ret)
 			return ret;
-	/* Write cached table on hw */
-	} else if (type == AR5K_PWRTABLE_PWR_TO_PDADC)
-		ath5k_setup_pwr_to_pdadc_table(ah, ee_mode);
-	else
-		ath5k_setup_pcdac_table(ah);
-
+	}
 
+	/* Write table on hw */
+	ath5k_write_channel_powertable(ah, ee_mode, type);
 
 	/* Limit max power if we have a CTL available */
 	ath5k_get_max_ctl_power(ah, channel);
@@ -3214,31 +3194,10 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 
 int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower)
 {
-	/*Just a try M.F.*/
-	struct ieee80211_channel *channel = ah->ah_current_channel;
-	u8 ee_mode;
-
-	switch (channel->hw_value & CHANNEL_MODES) {
-	case CHANNEL_A:
-	case CHANNEL_XR:
-		ee_mode = AR5K_EEPROM_MODE_11A;
-		break;
-	case CHANNEL_G:
-		ee_mode = AR5K_EEPROM_MODE_11G;
-		break;
-	case CHANNEL_B:
-		ee_mode = AR5K_EEPROM_MODE_11B;
-		break;
-	default:
-		ATH5K_ERR(ah->ah_sc,
-			"invalid channel: %d\n", channel->center_freq);
-		return -EINVAL;
-	}
-
 	ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_TXPOWER,
 		"changing txpower to %d\n", txpower);
 
-	return ath5k_hw_txpower(ah, channel, ee_mode, txpower, true);
+	return ath5k_hw_txpower(ah, ah->ah_current_channel, txpower);
 }
 
 /*************\
@@ -3246,12 +3205,11 @@ int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower)
 \*************/
 
 int ath5k_hw_phy_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
-				u8 mode, u8 ee_mode, u8 freq, bool fast)
+		      u8 mode, bool fast)
 {
 	struct ieee80211_channel *curr_channel;
 	int ret, i;
 	u32 phy_tst1;
-	bool fast_txp;
 	ret = 0;
 
 	/*
@@ -3282,26 +3240,14 @@ int ath5k_hw_phy_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 	}
 
 	/*
-	 * If we don't change channel/mode skip
-	 * tx powertable calculation and use the
-	 * cached one.
-	 */
-	if ((channel->hw_value == curr_channel->hw_value) &&
-	(channel->center_freq == curr_channel->center_freq))
-		fast_txp = true;
-	else
-		fast_txp = false;
-
-	/*
 	 * Set TX power
 	 *
 	 * Note: We need to do that before we set
 	 * RF buffer settings on 5211/5212+ so that we
 	 * properly set curve indices.
 	 */
-	ret = ath5k_hw_txpower(ah, channel, ee_mode,
-				ah->ah_txpower.txp_max_pwr / 2,
-				fast_txp);
+	ret = ath5k_hw_txpower(ah, channel, ah->ah_txpower.txp_cur_pwr ?
+			ah->ah_txpower.txp_cur_pwr / 2 : AR5K_TUNE_MAX_TXPOWER);
 	if (ret)
 		return ret;
 
@@ -3317,7 +3263,7 @@ int ath5k_hw_phy_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		 * Write initial RF gain settings
 		 * This should work for both 5111/5112
 		 */
-		ret = ath5k_hw_rfgain_init(ah, freq);
+		ret = ath5k_hw_rfgain_init(ah, channel->band);
 		if (ret)
 			return ret;
 
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index bc84aaa..8420689 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -537,7 +537,7 @@ int ath5k_hw_on_hold(struct ath5k_hw *ah)
 	 * we ingore that flag for PCI-E cards. On PCI cards
 	 * this flag gets cleared after 64 PCI clocks.
 	 */
-	bus_flags = (pdev && pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI;
+	bus_flags = (pdev && pci_is_pcie(pdev)) ? 0 : AR5K_RESET_CTL_PCI;
 
 	if (ah->ah_version == AR5K_AR5210) {
 		ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
@@ -594,7 +594,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
 	 * we ingore that flag for PCI-E cards. On PCI cards
 	 * this flag gets cleared after 64 PCI clocks.
 	 */
-	bus_flags = (pdev && pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI;
+	bus_flags = (pdev && pci_is_pcie(pdev)) ? 0 : AR5K_RESET_CTL_PCI;
 
 	if (ah->ah_version == AR5K_AR5210) {
 		ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
@@ -866,15 +866,18 @@ static void ath5k_hw_tweak_initval_settings(struct ath5k_hw *ah,
 }
 
 static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
-		struct ieee80211_channel *channel, u8 ee_mode)
+		struct ieee80211_channel *channel)
 {
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	s16 cck_ofdm_pwr_delta;
+	u8 ee_mode;
 
 	/* TODO: Add support for AR5210 EEPROM */
 	if (ah->ah_version == AR5K_AR5210)
 		return;
 
+	ee_mode = ath5k_eeprom_mode_from_channel(channel);
+
 	/* Adjust power delta for channel 14 */
 	if (channel->center_freq == 2484)
 		cck_ofdm_pwr_delta =
@@ -1020,13 +1023,11 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 		struct ieee80211_channel *channel, bool fast, bool skip_pcu)
 {
 	u32 s_seq[10], s_led[3], tsf_up, tsf_lo;
-	u8 mode, freq, ee_mode;
+	u8 mode;
 	int i, ret;
 
-	ee_mode = 0;
 	tsf_up = 0;
 	tsf_lo = 0;
-	freq = 0;
 	mode = 0;
 
 	/*
@@ -1071,8 +1072,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	switch (channel->hw_value & CHANNEL_MODES) {
 	case CHANNEL_A:
 		mode = AR5K_MODE_11A;
-		freq = AR5K_INI_RFGAIN_5GHZ;
-		ee_mode = AR5K_EEPROM_MODE_11A;
 		break;
 	case CHANNEL_G:
 
@@ -1083,8 +1082,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 		}
 
 		mode = AR5K_MODE_11G;
-		freq = AR5K_INI_RFGAIN_2GHZ;
-		ee_mode = AR5K_EEPROM_MODE_11G;
 		break;
 	case CHANNEL_B:
 
@@ -1095,8 +1092,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 		}
 
 		mode = AR5K_MODE_11B;
-		freq = AR5K_INI_RFGAIN_2GHZ;
-		ee_mode = AR5K_EEPROM_MODE_11B;
 		break;
 	case CHANNEL_XR:
 		if (ah->ah_version == AR5K_AR5211) {
@@ -1105,8 +1100,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 			return -EINVAL;
 		}
 		mode = AR5K_MODE_XR;
-		freq = AR5K_INI_RFGAIN_5GHZ;
-		ee_mode = AR5K_EEPROM_MODE_11A;
 		break;
 	default:
 		ATH5K_ERR(ah->ah_sc,
@@ -1119,8 +1112,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	 * go on. If it fails continue with a normal reset.
 	 */
 	if (fast) {
-		ret = ath5k_hw_phy_init(ah, channel, mode,
-					ee_mode, freq, true);
+		ret = ath5k_hw_phy_init(ah, channel, mode, true);
 		if (ret) {
 			ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_RESET,
 				"fast chan change failed, falling back to normal reset\n");
@@ -1217,7 +1209,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	ath5k_hw_tweak_initval_settings(ah, channel);
 
 	/* Commit values from EEPROM */
-	ath5k_hw_commit_eeprom_settings(ah, channel, ee_mode);
+	ath5k_hw_commit_eeprom_settings(ah, channel);
 
 
 	/*
@@ -1256,7 +1248,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	/*
 	 * Initialize PHY
 	 */
-	ret = ath5k_hw_phy_init(ah, channel, mode, ee_mode, freq, false);
+	ret = ath5k_hw_phy_init(ah, channel, mode, false);
 	if (ret) {
 		ATH5K_ERR(ah->ah_sc,
 			"failed to initialize PHY (%i) !\n", ret);
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index fdb5a83..f8a7771 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -22,7 +22,7 @@
 
 int modparam_force_new_ani;
 module_param_named(force_new_ani, modparam_force_new_ani, int, 0444);
-MODULE_PARM_DESC(nohwcrypt, "Force new ANI for AR5008, AR9001, AR9002");
+MODULE_PARM_DESC(force_new_ani, "Force new ANI for AR5008, AR9001, AR9002");
 
 /* General hardware code for the A5008/AR9001/AR9002 hadware families */
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 7ae66a8..7d68d61 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -203,13 +203,14 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah,
 	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
 		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
 
+		if (AR_NO_SPUR == cur_bb_spur)
+			break;
+
 		if (is2GHz)
 			cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
 		else
 			cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
 
-		if (AR_NO_SPUR == cur_bb_spur)
-			break;
 		cur_bb_spur = cur_bb_spur - freq;
 
 		if (IS_CHAN_HT40(chan)) {
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 466d2bf..4819747 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -59,6 +59,8 @@
 
 #define CTL(_tpower, _flag) ((_tpower) | ((_flag) << 6))
 
+#define EEPROM_DATA_LEN_9485	1088
+
 static int ar9003_hw_power_interpolate(int32_t x,
 				       int32_t *px, int32_t *py, u_int16_t np);
 
@@ -3368,7 +3370,7 @@ found:
 			"Found block at %x: code=%d ref=%d length=%d major=%d minor=%d\n",
 			cptr, code, reference, length, major, minor);
 		if ((!AR_SREV_9485(ah) && length >= 1024) ||
-		    (AR_SREV_9485(ah) && length >= (4 * 1024))) {
+		    (AR_SREV_9485(ah) && length > EEPROM_DATA_LEN_9485)) {
 			ath_dbg(common, ATH_DBG_EEPROM,
 				"Skipping bad header\n");
 			cptr -= COMP_HDR_LEN;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index b6e4ee4..4ceddbb 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -613,9 +613,9 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
 		 * possibly be reviewing the last subframe. AR_CRCErr
 		 * is the CRC of the actual data.
 		 */
-		if (rxsp->status11 & AR_CRCErr) {
+		if (rxsp->status11 & AR_CRCErr)
 			rxs->rs_status |= ATH9K_RXERR_CRC;
-		} else if (rxsp->status11 & AR_PHYErr) {
+		if (rxsp->status11 & AR_PHYErr) {
 			phyerr = MS(rxsp->status11, AR_PHYErrCode);
 			/*
 			 * If we reach a point here where AR_PostDelimCRCErr is
@@ -638,11 +638,12 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
 				rxs->rs_phyerr = phyerr;
 			}
 
-		} else if (rxsp->status11 & AR_DecryptCRCErr) {
+		}
+		if (rxsp->status11 & AR_DecryptCRCErr)
 			rxs->rs_status |= ATH9K_RXERR_DECRYPT;
-		} else if (rxsp->status11 & AR_MichaelErr) {
+		if (rxsp->status11 & AR_MichaelErr)
 			rxs->rs_status |= ATH9K_RXERR_MIC;
-		} else if (rxsp->status11 & AR_KeyMiss)
+		if (rxsp->status11 & AR_KeyMiss)
 			rxs->rs_status |= ATH9K_RXERR_DECRYPT;
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 2c31f51..3681caf5 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -664,11 +664,13 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 }
 
 extern struct ieee80211_ops ath9k_ops;
-extern int modparam_nohwcrypt;
+extern int ath9k_modparam_nohwcrypt;
 extern int led_blink;
 extern int ath9k_pm_qos_value;
+extern bool is_ath9k_unloaded;
 
 irqreturn_t ath_isr(int irq, void *dev);
+void ath9k_init_crypto(struct ath_softc *sc);
 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);
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 5e108c0..385ba03 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -566,8 +566,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 	 * last beacon we received (which may be none).
 	 */
 	dtimperiod = conf->dtim_period;
-	if (dtimperiod <= 0)		/* NB: 0 if not known */
-		dtimperiod = 1;
 	dtimcount = conf->dtim_count;
 	if (dtimcount >= dtimperiod)	/* NB: sanity check */
 		dtimcount = 0;
@@ -575,8 +573,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 	cfpcount = 0;
 
 	sleepduration = conf->listen_interval * intval;
-	if (sleepduration <= 0)
-		sleepduration = intval;
 
 	/*
 	 * Pull nexttbtt forward to reflect the current
@@ -662,8 +658,7 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 }
 
 static void ath_beacon_config_adhoc(struct ath_softc *sc,
-				    struct ath_beacon_config *conf,
-				    struct ieee80211_vif *vif)
+				    struct ath_beacon_config *conf)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -718,18 +713,17 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
 	/* Setup the beacon configuration parameters */
 	if (vif) {
 		struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
-
 		iftype = vif->type;
-
 		cur_conf->beacon_interval = bss_conf->beacon_int;
 		cur_conf->dtim_period = bss_conf->dtim_period;
+	} else {
+		iftype = sc->sc_ah->opmode;
+	}
+
 		cur_conf->listen_interval = 1;
 		cur_conf->dtim_count = 1;
 		cur_conf->bmiss_timeout =
 			ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval;
-	} else {
-		iftype = sc->sc_ah->opmode;
-	}
 
 	/*
 	 * It looks like mac80211 may end up using beacon interval of zero in
@@ -740,13 +734,20 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
 	if (cur_conf->beacon_interval == 0)
 		cur_conf->beacon_interval = 100;
 
+	/*
+	 * Some times we dont parse dtim period from mac80211, in that case
+	 * use a default value
+	 */
+	if (cur_conf->dtim_period == 0)
+		cur_conf->dtim_period = 1;
+
 	switch (iftype) {
 	case NL80211_IFTYPE_AP:
 		ath_beacon_config_ap(sc, cur_conf);
 		break;
 	case NL80211_IFTYPE_ADHOC:
 	case NL80211_IFTYPE_MESH_POINT:
-		ath_beacon_config_adhoc(sc, cur_conf, vif);
+		ath_beacon_config_adhoc(sc, cur_conf);
 		break;
 	case NL80211_IFTYPE_STATION:
 		ath_beacon_config_sta(sc, cur_conf);
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index f6f09d1..58e2ddc 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -23,8 +23,6 @@
 #include <net/cfg80211.h>
 #include "ar9003_eeprom.h"
 
-#define AH_USE_EEPROM   0x1
-
 #ifdef __BIG_ENDIAN
 #define AR5416_EEPROM_MAGIC 0x5aa5
 #else
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 22b68b3..5ab3084 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -153,16 +153,36 @@ static void hif_usb_tx_cb(struct urb *urb)
 	case -ENODEV:
 	case -ESHUTDOWN:
 		/*
-		 * The URB has been killed, free the SKBs
-		 * and return.
+		 * The URB has been killed, free the SKBs.
 		 */
 		ath9k_skb_queue_purge(hif_dev, &tx_buf->skb_queue);
-		return;
+
+		/*
+		 * If the URBs are being flushed, no need to add this
+		 * URB to the free list.
+		 */
+		spin_lock(&hif_dev->tx.tx_lock);
+		if (hif_dev->tx.flags & HIF_USB_TX_FLUSH) {
+			spin_unlock(&hif_dev->tx.tx_lock);
+			return;
+		}
+		spin_unlock(&hif_dev->tx.tx_lock);
+
+		/*
+		 * In the stop() case, this URB has to be added to
+		 * the free list.
+		 */
+		goto add_free;
 	default:
 		break;
 	}
 
-	/* Check if TX has been stopped */
+	/*
+	 * Check if TX has been stopped, this is needed because
+	 * this CB could have been invoked just after the TX lock
+	 * was released in hif_stop() and kill_urb() hasn't been
+	 * called yet.
+	 */
 	spin_lock(&hif_dev->tx.tx_lock);
 	if (hif_dev->tx.flags & HIF_USB_TX_STOP) {
 		spin_unlock(&hif_dev->tx.tx_lock);
@@ -314,6 +334,7 @@ static void hif_usb_start(void *hif_handle, u8 pipe_id)
 static void hif_usb_stop(void *hif_handle, u8 pipe_id)
 {
 	struct hif_device_usb *hif_dev = (struct hif_device_usb *)hif_handle;
+	struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;
 	unsigned long flags;
 
 	spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
@@ -321,6 +342,12 @@ static void hif_usb_stop(void *hif_handle, u8 pipe_id)
 	hif_dev->tx.tx_skb_cnt = 0;
 	hif_dev->tx.flags |= HIF_USB_TX_STOP;
 	spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+
+	/* The pending URBs have to be canceled. */
+	list_for_each_entry_safe(tx_buf, tx_buf_tmp,
+				 &hif_dev->tx.tx_pending, list) {
+		usb_kill_urb(tx_buf->urb);
+	}
 }
 
 static int hif_usb_send(void *hif_handle, u8 pipe_id, struct sk_buff *skb,
@@ -587,6 +614,7 @@ free:
 static void ath9k_hif_usb_dealloc_tx_urbs(struct hif_device_usb *hif_dev)
 {
 	struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;
+	unsigned long flags;
 
 	list_for_each_entry_safe(tx_buf, tx_buf_tmp,
 				 &hif_dev->tx.tx_buf, list) {
@@ -597,6 +625,10 @@ static void ath9k_hif_usb_dealloc_tx_urbs(struct hif_device_usb *hif_dev)
 		kfree(tx_buf);
 	}
 
+	spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
+	hif_dev->tx.flags |= HIF_USB_TX_FLUSH;
+	spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+
 	list_for_each_entry_safe(tx_buf, tx_buf_tmp,
 				 &hif_dev->tx.tx_pending, list) {
 		usb_kill_urb(tx_buf->urb);
@@ -993,16 +1025,16 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface)
 {
 	struct usb_device *udev = interface_to_usbdev(interface);
 	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
+	bool unplugged = (udev->state == USB_STATE_NOTATTACHED) ? true : false;
 
 	if (hif_dev) {
-		ath9k_htc_hw_deinit(hif_dev->htc_handle,
-		    (udev->state == USB_STATE_NOTATTACHED) ? true : false);
+		ath9k_htc_hw_deinit(hif_dev->htc_handle, unplugged);
 		ath9k_htc_hw_free(hif_dev->htc_handle);
 		ath9k_hif_usb_dev_deinit(hif_dev);
 		usb_set_intfdata(interface, NULL);
 	}
 
-	if (hif_dev->flags & HIF_USB_START)
+	if (!unplugged && (hif_dev->flags & HIF_USB_START))
 		ath9k_hif_usb_reboot(udev);
 
 	kfree(hif_dev);
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
index e4a5e2e..7b9d863 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.h
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.h
@@ -64,6 +64,7 @@ struct tx_buf {
 };
 
 #define HIF_USB_TX_STOP  BIT(0)
+#define HIF_USB_TX_FLUSH BIT(1)
 
 struct hif_usb_tx {
 	u8 flags;
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index fdf9d5f..a099b3e 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -331,17 +331,15 @@ void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv);
 
 #define OP_INVALID		   BIT(0)
 #define OP_SCANNING		   BIT(1)
-#define OP_FULL_RESET		   BIT(2)
-#define OP_LED_ASSOCIATED	   BIT(3)
-#define OP_LED_ON		   BIT(4)
-#define OP_PREAMBLE_SHORT	   BIT(5)
-#define OP_PROTECT_ENABLE	   BIT(6)
-#define OP_ASSOCIATED		   BIT(7)
-#define OP_ENABLE_BEACON	   BIT(8)
-#define OP_LED_DEINIT		   BIT(9)
-#define OP_UNPLUGGED		   BIT(10)
-#define OP_BT_PRIORITY_DETECTED	   BIT(11)
-#define OP_BT_SCAN		   BIT(12)
+#define OP_LED_ASSOCIATED	   BIT(2)
+#define OP_LED_ON		   BIT(3)
+#define OP_PREAMBLE_SHORT	   BIT(4)
+#define OP_PROTECT_ENABLE	   BIT(5)
+#define OP_ASSOCIATED		   BIT(6)
+#define OP_ENABLE_BEACON	   BIT(7)
+#define OP_LED_DEINIT		   BIT(8)
+#define OP_BT_PRIORITY_DETECTED    BIT(9)
+#define OP_BT_SCAN                 BIT(10)
 
 struct ath9k_htc_priv {
 	struct device *dev;
@@ -378,7 +376,7 @@ struct ath9k_htc_priv {
 	struct ieee80211_vif *vif;
 	struct htc_beacon_config cur_beacon_conf;
 	unsigned int rxfilter;
-	struct tasklet_struct wmi_tasklet;
+	struct tasklet_struct swba_tasklet;
 	struct tasklet_struct rx_tasklet;
 	struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
 	struct ath9k_htc_rx rx;
@@ -386,6 +384,7 @@ struct ath9k_htc_priv {
 	struct sk_buff_head tx_queue;
 	struct delayed_work ath9k_ani_work;
 	struct work_struct ps_work;
+	struct work_struct fatal_work;
 
 	struct mutex htc_pm_lock;
 	unsigned long ps_usecount;
@@ -420,6 +419,8 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 	common->bus_ops->read_cachesize(common, csz);
 }
 
+void ath9k_htc_reset(struct ath9k_htc_priv *priv);
+
 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
 			     struct ieee80211_vif *vif);
@@ -435,6 +436,7 @@ void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
 void ath9k_htc_station_work(struct work_struct *work);
 void ath9k_htc_aggr_work(struct work_struct *work);
 void ath9k_ani_work(struct work_struct *work);;
+void ath_start_ani(struct ath9k_htc_priv *priv);
 
 int ath9k_tx_init(struct ath9k_htc_priv *priv);
 void ath9k_tx_tasklet(unsigned long data);
@@ -457,8 +459,13 @@ void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
 void ath9k_ps_work(struct work_struct *work);
 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
 			enum ath9k_power_mode mode);
+void ath_update_txpow(struct ath9k_htc_priv *priv);
 
 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
+void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
+void ath9k_htc_radio_enable(struct ieee80211_hw *hw);
+void ath9k_htc_radio_disable(struct ieee80211_hw *hw);
+void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv);
 void ath9k_init_leds(struct ath9k_htc_priv *priv);
 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
 
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
index 283ff97..fe70f67 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2010 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
 #include "htc.h"
 
 /******************/
@@ -131,3 +147,314 @@ void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv)
 	cancel_delayed_work_sync(&priv->coex_period_work);
 	cancel_delayed_work_sync(&priv->duty_cycle_work);
 }
+
+/*******/
+/* LED */
+/*******/
+
+static void ath9k_led_blink_work(struct work_struct *work)
+{
+	struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv,
+						   ath9k_led_blink_work.work);
+
+	if (!(priv->op_flags & OP_LED_ASSOCIATED))
+		return;
+
+	if ((priv->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
+	    (priv->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
+		ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0);
+	else
+		ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin,
+				  (priv->op_flags & OP_LED_ON) ? 1 : 0);
+
+	ieee80211_queue_delayed_work(priv->hw,
+				     &priv->ath9k_led_blink_work,
+				     (priv->op_flags & OP_LED_ON) ?
+				     msecs_to_jiffies(priv->led_off_duration) :
+				     msecs_to_jiffies(priv->led_on_duration));
+
+	priv->led_on_duration = priv->led_on_cnt ?
+		max((ATH_LED_ON_DURATION_IDLE - priv->led_on_cnt), 25) :
+		ATH_LED_ON_DURATION_IDLE;
+	priv->led_off_duration = priv->led_off_cnt ?
+		max((ATH_LED_OFF_DURATION_IDLE - priv->led_off_cnt), 10) :
+		ATH_LED_OFF_DURATION_IDLE;
+	priv->led_on_cnt = priv->led_off_cnt = 0;
+
+	if (priv->op_flags & OP_LED_ON)
+		priv->op_flags &= ~OP_LED_ON;
+	else
+		priv->op_flags |= OP_LED_ON;
+}
+
+static void ath9k_led_brightness_work(struct work_struct *work)
+{
+	struct ath_led *led = container_of(work, struct ath_led,
+					   brightness_work.work);
+	struct ath9k_htc_priv *priv = led->priv;
+
+	switch (led->brightness) {
+	case LED_OFF:
+		if (led->led_type == ATH_LED_ASSOC ||
+		    led->led_type == ATH_LED_RADIO) {
+			ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin,
+					  (led->led_type == ATH_LED_RADIO));
+			priv->op_flags &= ~OP_LED_ASSOCIATED;
+			if (led->led_type == ATH_LED_RADIO)
+				priv->op_flags &= ~OP_LED_ON;
+		} else {
+			priv->led_off_cnt++;
+		}
+		break;
+	case LED_FULL:
+		if (led->led_type == ATH_LED_ASSOC) {
+			priv->op_flags |= OP_LED_ASSOCIATED;
+			ieee80211_queue_delayed_work(priv->hw,
+					     &priv->ath9k_led_blink_work, 0);
+		} else if (led->led_type == ATH_LED_RADIO) {
+			ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0);
+			priv->op_flags |= OP_LED_ON;
+		} else {
+			priv->led_on_cnt++;
+		}
+		break;
+	default:
+		break;
+	}
+}
+
+static void ath9k_led_brightness(struct led_classdev *led_cdev,
+				 enum led_brightness brightness)
+{
+	struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
+	struct ath9k_htc_priv *priv = led->priv;
+
+	led->brightness = brightness;
+	if (!(priv->op_flags & OP_LED_DEINIT))
+		ieee80211_queue_delayed_work(priv->hw,
+					     &led->brightness_work, 0);
+}
+
+void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv)
+{
+	cancel_delayed_work_sync(&priv->radio_led.brightness_work);
+	cancel_delayed_work_sync(&priv->assoc_led.brightness_work);
+	cancel_delayed_work_sync(&priv->tx_led.brightness_work);
+	cancel_delayed_work_sync(&priv->rx_led.brightness_work);
+}
+
+static int ath9k_register_led(struct ath9k_htc_priv *priv, struct ath_led *led,
+			      char *trigger)
+{
+	int ret;
+
+	led->priv = priv;
+	led->led_cdev.name = led->name;
+	led->led_cdev.default_trigger = trigger;
+	led->led_cdev.brightness_set = ath9k_led_brightness;
+
+	ret = led_classdev_register(wiphy_dev(priv->hw->wiphy), &led->led_cdev);
+	if (ret)
+		ath_err(ath9k_hw_common(priv->ah),
+			"Failed to register led:%s", led->name);
+	else
+		led->registered = 1;
+
+	INIT_DELAYED_WORK(&led->brightness_work, ath9k_led_brightness_work);
+
+	return ret;
+}
+
+static void ath9k_unregister_led(struct ath_led *led)
+{
+	if (led->registered) {
+		led_classdev_unregister(&led->led_cdev);
+		led->registered = 0;
+	}
+}
+
+void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
+{
+	priv->op_flags |= OP_LED_DEINIT;
+	ath9k_unregister_led(&priv->assoc_led);
+	priv->op_flags &= ~OP_LED_ASSOCIATED;
+	ath9k_unregister_led(&priv->tx_led);
+	ath9k_unregister_led(&priv->rx_led);
+	ath9k_unregister_led(&priv->radio_led);
+}
+
+void ath9k_init_leds(struct ath9k_htc_priv *priv)
+{
+	char *trigger;
+	int ret;
+
+	if (AR_SREV_9287(priv->ah))
+		priv->ah->led_pin = ATH_LED_PIN_9287;
+	else if (AR_SREV_9271(priv->ah))
+		priv->ah->led_pin = ATH_LED_PIN_9271;
+	else if (AR_DEVID_7010(priv->ah))
+		priv->ah->led_pin = ATH_LED_PIN_7010;
+	else
+		priv->ah->led_pin = ATH_LED_PIN_DEF;
+
+	/* Configure gpio 1 for output */
+	ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin,
+			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+	/* LED off, active low */
+	ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1);
+
+	INIT_DELAYED_WORK(&priv->ath9k_led_blink_work, ath9k_led_blink_work);
+
+	trigger = ieee80211_get_radio_led_name(priv->hw);
+	snprintf(priv->radio_led.name, sizeof(priv->radio_led.name),
+		"ath9k-%s::radio", wiphy_name(priv->hw->wiphy));
+	ret = ath9k_register_led(priv, &priv->radio_led, trigger);
+	priv->radio_led.led_type = ATH_LED_RADIO;
+	if (ret)
+		goto fail;
+
+	trigger = ieee80211_get_assoc_led_name(priv->hw);
+	snprintf(priv->assoc_led.name, sizeof(priv->assoc_led.name),
+		"ath9k-%s::assoc", wiphy_name(priv->hw->wiphy));
+	ret = ath9k_register_led(priv, &priv->assoc_led, trigger);
+	priv->assoc_led.led_type = ATH_LED_ASSOC;
+	if (ret)
+		goto fail;
+
+	trigger = ieee80211_get_tx_led_name(priv->hw);
+	snprintf(priv->tx_led.name, sizeof(priv->tx_led.name),
+		"ath9k-%s::tx", wiphy_name(priv->hw->wiphy));
+	ret = ath9k_register_led(priv, &priv->tx_led, trigger);
+	priv->tx_led.led_type = ATH_LED_TX;
+	if (ret)
+		goto fail;
+
+	trigger = ieee80211_get_rx_led_name(priv->hw);
+	snprintf(priv->rx_led.name, sizeof(priv->rx_led.name),
+		"ath9k-%s::rx", wiphy_name(priv->hw->wiphy));
+	ret = ath9k_register_led(priv, &priv->rx_led, trigger);
+	priv->rx_led.led_type = ATH_LED_RX;
+	if (ret)
+		goto fail;
+
+	priv->op_flags &= ~OP_LED_DEINIT;
+
+	return;
+
+fail:
+	cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
+	ath9k_deinit_leds(priv);
+}
+
+/*******************/
+/*	Rfkill	   */
+/*******************/
+
+static bool ath_is_rfkill_set(struct ath9k_htc_priv *priv)
+{
+	return ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) ==
+		priv->ah->rfkill_polarity;
+}
+
+void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw)
+{
+	struct ath9k_htc_priv *priv = hw->priv;
+	bool blocked = !!ath_is_rfkill_set(priv);
+
+	wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
+}
+
+void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv)
+{
+	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+		wiphy_rfkill_start_polling(priv->hw->wiphy);
+}
+
+void ath9k_htc_radio_enable(struct ieee80211_hw *hw)
+{
+	struct ath9k_htc_priv *priv = hw->priv;
+	struct ath_hw *ah = priv->ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int ret;
+	u8 cmd_rsp;
+
+	if (!ah->curchan)
+		ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
+
+	/* Reset the HW */
+	ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
+	if (ret) {
+		ath_err(common,
+			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
+			ret, ah->curchan->channel);
+	}
+
+	ath_update_txpow(priv);
+
+	/* Start RX */
+	WMI_CMD(WMI_START_RECV_CMDID);
+	ath9k_host_rx_init(priv);
+
+	/* Start TX */
+	htc_start(priv->htc);
+	spin_lock_bh(&priv->tx_lock);
+	priv->tx_queues_stop = false;
+	spin_unlock_bh(&priv->tx_lock);
+	ieee80211_wake_queues(hw);
+
+	WMI_CMD(WMI_ENABLE_INTR_CMDID);
+
+	/* Enable LED */
+	ath9k_hw_cfg_output(ah, ah->led_pin,
+			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+	ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+}
+
+void ath9k_htc_radio_disable(struct ieee80211_hw *hw)
+{
+	struct ath9k_htc_priv *priv = hw->priv;
+	struct ath_hw *ah = priv->ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int ret;
+	u8 cmd_rsp;
+
+	ath9k_htc_ps_wakeup(priv);
+
+	/* Disable LED */
+	ath9k_hw_set_gpio(ah, ah->led_pin, 1);
+	ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+
+	WMI_CMD(WMI_DISABLE_INTR_CMDID);
+
+	/* Stop TX */
+	ieee80211_stop_queues(hw);
+	htc_stop(priv->htc);
+	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
+	skb_queue_purge(&priv->tx_queue);
+
+	/* Stop RX */
+	WMI_CMD(WMI_STOP_RECV_CMDID);
+
+	/*
+	 * The MIB counters have to be disabled here,
+	 * since the target doesn't do it.
+	 */
+	ath9k_hw_disable_mib_counters(ah);
+
+	if (!ah->curchan)
+		ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
+
+	/* Reset the HW */
+	ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
+	if (ret) {
+		ath_err(common,
+			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
+			ret, ah->curchan->channel);
+	}
+
+	/* Disable the PHY */
+	ath9k_hw_phy_disable(ah);
+
+	ath9k_htc_ps_restore(priv);
+	ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);
+}
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 0f6be35..38433f9 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -142,7 +142,7 @@ static void ath9k_deinit_priv(struct ath9k_htc_priv *priv)
 {
 	ath9k_htc_exit_debug(priv->ah);
 	ath9k_hw_deinit(priv->ah);
-	tasklet_kill(&priv->wmi_tasklet);
+	tasklet_kill(&priv->swba_tasklet);
 	tasklet_kill(&priv->rx_tasklet);
 	tasklet_kill(&priv->tx_tasklet);
 	kfree(priv->ah);
@@ -647,13 +647,15 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv,
 	spin_lock_init(&priv->tx_lock);
 	mutex_init(&priv->mutex);
 	mutex_init(&priv->htc_pm_lock);
-	tasklet_init(&priv->wmi_tasklet, ath9k_wmi_tasklet,
+	tasklet_init(&priv->swba_tasklet, ath9k_swba_tasklet,
 		     (unsigned long)priv);
 	tasklet_init(&priv->rx_tasklet, ath9k_rx_tasklet,
 		     (unsigned long)priv);
-	tasklet_init(&priv->tx_tasklet, ath9k_tx_tasklet, (unsigned long)priv);
+	tasklet_init(&priv->tx_tasklet, ath9k_tx_tasklet,
+		     (unsigned long)priv);
 	INIT_DELAYED_WORK(&priv->ath9k_ani_work, ath9k_ani_work);
 	INIT_WORK(&priv->ps_work, ath9k_ps_work);
+	INIT_WORK(&priv->fatal_work, ath9k_fatal_work);
 
 	/*
 	 * Cache line size is used to size and align various
@@ -714,8 +716,7 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
 		IEEE80211_HW_HAS_RATE_CONTROL |
 		IEEE80211_HW_RX_INCLUDES_FCS |
 		IEEE80211_HW_SUPPORTS_PS |
-		IEEE80211_HW_PS_NULLFUNC_STACK |
-		IEEE80211_HW_NEED_DTIM_PERIOD;
+		IEEE80211_HW_PS_NULLFUNC_STACK;
 
 	hw->wiphy->interface_modes =
 		BIT(NL80211_IFTYPE_STATION) |
@@ -851,9 +852,6 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
 	if (ret)
 		goto err_init;
 
-	/* The device may have been unplugged earlier. */
-	priv->op_flags &= ~OP_UNPLUGGED;
-
 	ret = ath9k_init_device(priv, devid, product, drv_info);
 	if (ret)
 		goto err_init;
@@ -873,7 +871,7 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
 
 		/* Check if the device has been yanked out. */
 		if (hotunplug)
-			htc_handle->drv_priv->op_flags |= OP_UNPLUGGED;
+			htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED;
 
 		ath9k_deinit_device(htc_handle->drv_priv);
 		ath9k_deinit_wmi(htc_handle->drv_priv);
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index dd17909..845b4c9 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -24,7 +24,7 @@ static struct dentry *ath9k_debugfs_root;
 /* Utilities */
 /*************/
 
-static void ath_update_txpow(struct ath9k_htc_priv *priv)
+void ath_update_txpow(struct ath9k_htc_priv *priv)
 {
 	struct ath_hw *ah = priv->ah;
 
@@ -116,6 +116,60 @@ void ath9k_ps_work(struct work_struct *work)
 	ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP);
 }
 
+void ath9k_htc_reset(struct ath9k_htc_priv *priv)
+{
+	struct ath_hw *ah = priv->ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ieee80211_channel *channel = priv->hw->conf.channel;
+	struct ath9k_hw_cal_data *caldata;
+	enum htc_phymode mode;
+	__be16 htc_mode;
+	u8 cmd_rsp;
+	int ret;
+
+	mutex_lock(&priv->mutex);
+	ath9k_htc_ps_wakeup(priv);
+
+	if (priv->op_flags & OP_ASSOCIATED)
+		cancel_delayed_work_sync(&priv->ath9k_ani_work);
+
+	ieee80211_stop_queues(priv->hw);
+	htc_stop(priv->htc);
+	WMI_CMD(WMI_DISABLE_INTR_CMDID);
+	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
+	WMI_CMD(WMI_STOP_RECV_CMDID);
+
+	caldata = &priv->caldata[channel->hw_value];
+	ret = ath9k_hw_reset(ah, ah->curchan, caldata, false);
+	if (ret) {
+		ath_err(common,
+			"Unable to reset device (%u Mhz) reset status %d\n",
+			channel->center_freq, ret);
+	}
+
+	ath_update_txpow(priv);
+
+	WMI_CMD(WMI_START_RECV_CMDID);
+	ath9k_host_rx_init(priv);
+
+	mode = ath9k_htc_get_curmode(priv, ah->curchan);
+	htc_mode = cpu_to_be16(mode);
+	WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);
+
+	WMI_CMD(WMI_ENABLE_INTR_CMDID);
+	htc_start(priv->htc);
+
+	if (priv->op_flags & OP_ASSOCIATED) {
+		ath9k_htc_beacon_config(priv, priv->vif);
+		ath_start_ani(priv);
+	}
+
+	ieee80211_wake_queues(priv->hw);
+
+	ath9k_htc_ps_restore(priv);
+	mutex_unlock(&priv->mutex);
+}
+
 static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
 				 struct ieee80211_hw *hw,
 				 struct ath9k_channel *hchan)
@@ -123,7 +177,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
 	struct ath_hw *ah = priv->ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_conf *conf = &common->hw->conf;
-	bool fastcc = true;
+	bool fastcc;
 	struct ieee80211_channel *channel = hw->conf.channel;
 	struct ath9k_hw_cal_data *caldata;
 	enum htc_phymode mode;
@@ -134,8 +188,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
 	if (priv->op_flags & OP_INVALID)
 		return -EIO;
 
-	if (priv->op_flags & OP_FULL_RESET)
-		fastcc = false;
+	fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL);
 
 	ath9k_htc_ps_wakeup(priv);
 	htc_stop(priv->htc);
@@ -177,23 +230,43 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
 		goto err;
 
 	htc_start(priv->htc);
-
-	priv->op_flags &= ~OP_FULL_RESET;
 err:
 	ath9k_htc_ps_restore(priv);
 	return ret;
 }
 
+static void __ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
+{
+	struct ath_common *common = ath9k_hw_common(priv->ah);
+	struct ath9k_htc_target_vif hvif;
+	int ret = 0;
+	u8 cmd_rsp;
+
+	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
+	memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
+	hvif.index = 0; /* Should do for now */
+	WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
+	priv->nvifs--;
+}
+
 static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv)
 {
 	struct ath_common *common = ath9k_hw_common(priv->ah);
 	struct ath9k_htc_target_vif hvif;
+	struct ath9k_htc_target_sta tsta;
 	int ret = 0;
 	u8 cmd_rsp;
 
 	if (priv->nvifs > 0)
 		return -ENOBUFS;
 
+	if (priv->nstations >= ATH9K_HTC_MAX_STA)
+		return -ENOBUFS;
+
+	/*
+	 * Add an interface.
+	 */
+
 	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
 	memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
 
@@ -206,23 +279,57 @@ static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv)
 		return ret;
 
 	priv->nvifs++;
+
+	/*
+	 * Associate a station with the interface for packet injection.
+	 */
+
+	memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta));
+
+	memcpy(&tsta.macaddr, common->macaddr, ETH_ALEN);
+
+	tsta.is_vif_sta = 1;
+	tsta.sta_index = priv->nstations;
+	tsta.vif_index = hvif.index;
+	tsta.maxampdu = 0xffff;
+
+	WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta);
+	if (ret) {
+		ath_err(common, "Unable to add station entry for monitor mode\n");
+		goto err_vif;
+	}
+
+	priv->nstations++;
+
 	return 0;
+
+err_vif:
+	/*
+	 * Remove the interface from the target.
+	 */
+	__ath9k_htc_remove_monitor_interface(priv);
+	return ret;
 }
 
 static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
 {
 	struct ath_common *common = ath9k_hw_common(priv->ah);
-	struct ath9k_htc_target_vif hvif;
 	int ret = 0;
-	u8 cmd_rsp;
+	u8 cmd_rsp, sta_idx;
 
-	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
-	memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
-	hvif.index = 0; /* Should do for now */
-	WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
-	priv->nvifs--;
+	__ath9k_htc_remove_monitor_interface(priv);
 
-	return ret;
+	sta_idx = 0; /* Only single interface, for now */
+
+	WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx);
+	if (ret) {
+		ath_err(common, "Unable to remove station entry for monitor mode\n");
+		return ret;
+	}
+
+	priv->nstations--;
+
+	return 0;
 }
 
 static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
@@ -690,7 +797,7 @@ void ath9k_htc_debug_remove_root(void)
 /* ANI */
 /*******/
 
-static void ath_start_ani(struct ath9k_htc_priv *priv)
+void ath_start_ani(struct ath9k_htc_priv *priv)
 {
 	struct ath_common *common = ath9k_hw_common(priv->ah);
 	unsigned long timestamp = jiffies_to_msecs(jiffies);
@@ -789,317 +896,6 @@ set_timer:
 				     msecs_to_jiffies(cal_interval));
 }
 
-/*******/
-/* LED */
-/*******/
-
-static void ath9k_led_blink_work(struct work_struct *work)
-{
-	struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv,
-						   ath9k_led_blink_work.work);
-
-	if (!(priv->op_flags & OP_LED_ASSOCIATED))
-		return;
-
-	if ((priv->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
-	    (priv->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
-		ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0);
-	else
-		ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin,
-				  (priv->op_flags & OP_LED_ON) ? 1 : 0);
-
-	ieee80211_queue_delayed_work(priv->hw,
-				     &priv->ath9k_led_blink_work,
-				     (priv->op_flags & OP_LED_ON) ?
-				     msecs_to_jiffies(priv->led_off_duration) :
-				     msecs_to_jiffies(priv->led_on_duration));
-
-	priv->led_on_duration = priv->led_on_cnt ?
-		max((ATH_LED_ON_DURATION_IDLE - priv->led_on_cnt), 25) :
-		ATH_LED_ON_DURATION_IDLE;
-	priv->led_off_duration = priv->led_off_cnt ?
-		max((ATH_LED_OFF_DURATION_IDLE - priv->led_off_cnt), 10) :
-		ATH_LED_OFF_DURATION_IDLE;
-	priv->led_on_cnt = priv->led_off_cnt = 0;
-
-	if (priv->op_flags & OP_LED_ON)
-		priv->op_flags &= ~OP_LED_ON;
-	else
-		priv->op_flags |= OP_LED_ON;
-}
-
-static void ath9k_led_brightness_work(struct work_struct *work)
-{
-	struct ath_led *led = container_of(work, struct ath_led,
-					   brightness_work.work);
-	struct ath9k_htc_priv *priv = led->priv;
-
-	switch (led->brightness) {
-	case LED_OFF:
-		if (led->led_type == ATH_LED_ASSOC ||
-		    led->led_type == ATH_LED_RADIO) {
-			ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin,
-					  (led->led_type == ATH_LED_RADIO));
-			priv->op_flags &= ~OP_LED_ASSOCIATED;
-			if (led->led_type == ATH_LED_RADIO)
-				priv->op_flags &= ~OP_LED_ON;
-		} else {
-			priv->led_off_cnt++;
-		}
-		break;
-	case LED_FULL:
-		if (led->led_type == ATH_LED_ASSOC) {
-			priv->op_flags |= OP_LED_ASSOCIATED;
-			ieee80211_queue_delayed_work(priv->hw,
-					     &priv->ath9k_led_blink_work, 0);
-		} else if (led->led_type == ATH_LED_RADIO) {
-			ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0);
-			priv->op_flags |= OP_LED_ON;
-		} else {
-			priv->led_on_cnt++;
-		}
-		break;
-	default:
-		break;
-	}
-}
-
-static void ath9k_led_brightness(struct led_classdev *led_cdev,
-				 enum led_brightness brightness)
-{
-	struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
-	struct ath9k_htc_priv *priv = led->priv;
-
-	led->brightness = brightness;
-	if (!(priv->op_flags & OP_LED_DEINIT))
-		ieee80211_queue_delayed_work(priv->hw,
-					     &led->brightness_work, 0);
-}
-
-static void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv)
-{
-	cancel_delayed_work_sync(&priv->radio_led.brightness_work);
-	cancel_delayed_work_sync(&priv->assoc_led.brightness_work);
-	cancel_delayed_work_sync(&priv->tx_led.brightness_work);
-	cancel_delayed_work_sync(&priv->rx_led.brightness_work);
-}
-
-static int ath9k_register_led(struct ath9k_htc_priv *priv, struct ath_led *led,
-			      char *trigger)
-{
-	int ret;
-
-	led->priv = priv;
-	led->led_cdev.name = led->name;
-	led->led_cdev.default_trigger = trigger;
-	led->led_cdev.brightness_set = ath9k_led_brightness;
-
-	ret = led_classdev_register(wiphy_dev(priv->hw->wiphy), &led->led_cdev);
-	if (ret)
-		ath_err(ath9k_hw_common(priv->ah),
-			"Failed to register led:%s", led->name);
-	else
-		led->registered = 1;
-
-	INIT_DELAYED_WORK(&led->brightness_work, ath9k_led_brightness_work);
-
-	return ret;
-}
-
-static void ath9k_unregister_led(struct ath_led *led)
-{
-	if (led->registered) {
-		led_classdev_unregister(&led->led_cdev);
-		led->registered = 0;
-	}
-}
-
-void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
-{
-	priv->op_flags |= OP_LED_DEINIT;
-	ath9k_unregister_led(&priv->assoc_led);
-	priv->op_flags &= ~OP_LED_ASSOCIATED;
-	ath9k_unregister_led(&priv->tx_led);
-	ath9k_unregister_led(&priv->rx_led);
-	ath9k_unregister_led(&priv->radio_led);
-}
-
-void ath9k_init_leds(struct ath9k_htc_priv *priv)
-{
-	char *trigger;
-	int ret;
-
-	if (AR_SREV_9287(priv->ah))
-		priv->ah->led_pin = ATH_LED_PIN_9287;
-	else if (AR_SREV_9271(priv->ah))
-		priv->ah->led_pin = ATH_LED_PIN_9271;
-	else if (AR_DEVID_7010(priv->ah))
-		priv->ah->led_pin = ATH_LED_PIN_7010;
-	else
-		priv->ah->led_pin = ATH_LED_PIN_DEF;
-
-	/* Configure gpio 1 for output */
-	ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin,
-			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
-	/* LED off, active low */
-	ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1);
-
-	INIT_DELAYED_WORK(&priv->ath9k_led_blink_work, ath9k_led_blink_work);
-
-	trigger = ieee80211_get_radio_led_name(priv->hw);
-	snprintf(priv->radio_led.name, sizeof(priv->radio_led.name),
-		"ath9k-%s::radio", wiphy_name(priv->hw->wiphy));
-	ret = ath9k_register_led(priv, &priv->radio_led, trigger);
-	priv->radio_led.led_type = ATH_LED_RADIO;
-	if (ret)
-		goto fail;
-
-	trigger = ieee80211_get_assoc_led_name(priv->hw);
-	snprintf(priv->assoc_led.name, sizeof(priv->assoc_led.name),
-		"ath9k-%s::assoc", wiphy_name(priv->hw->wiphy));
-	ret = ath9k_register_led(priv, &priv->assoc_led, trigger);
-	priv->assoc_led.led_type = ATH_LED_ASSOC;
-	if (ret)
-		goto fail;
-
-	trigger = ieee80211_get_tx_led_name(priv->hw);
-	snprintf(priv->tx_led.name, sizeof(priv->tx_led.name),
-		"ath9k-%s::tx", wiphy_name(priv->hw->wiphy));
-	ret = ath9k_register_led(priv, &priv->tx_led, trigger);
-	priv->tx_led.led_type = ATH_LED_TX;
-	if (ret)
-		goto fail;
-
-	trigger = ieee80211_get_rx_led_name(priv->hw);
-	snprintf(priv->rx_led.name, sizeof(priv->rx_led.name),
-		"ath9k-%s::rx", wiphy_name(priv->hw->wiphy));
-	ret = ath9k_register_led(priv, &priv->rx_led, trigger);
-	priv->rx_led.led_type = ATH_LED_RX;
-	if (ret)
-		goto fail;
-
-	priv->op_flags &= ~OP_LED_DEINIT;
-
-	return;
-
-fail:
-	cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
-	ath9k_deinit_leds(priv);
-}
-
-/*******************/
-/*	Rfkill	   */
-/*******************/
-
-static bool ath_is_rfkill_set(struct ath9k_htc_priv *priv)
-{
-	return ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) ==
-		priv->ah->rfkill_polarity;
-}
-
-static void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw)
-{
-	struct ath9k_htc_priv *priv = hw->priv;
-	bool blocked = !!ath_is_rfkill_set(priv);
-
-	wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
-}
-
-void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv)
-{
-	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
-		wiphy_rfkill_start_polling(priv->hw->wiphy);
-}
-
-static void ath9k_htc_radio_enable(struct ieee80211_hw *hw)
-{
-	struct ath9k_htc_priv *priv = hw->priv;
-	struct ath_hw *ah = priv->ah;
-	struct ath_common *common = ath9k_hw_common(ah);
-	int ret;
-	u8 cmd_rsp;
-
-	if (!ah->curchan)
-		ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
-
-	/* Reset the HW */
-	ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
-	if (ret) {
-		ath_err(common,
-			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
-			ret, ah->curchan->channel);
-	}
-
-	ath_update_txpow(priv);
-
-	/* Start RX */
-	WMI_CMD(WMI_START_RECV_CMDID);
-	ath9k_host_rx_init(priv);
-
-	/* Start TX */
-	htc_start(priv->htc);
-	spin_lock_bh(&priv->tx_lock);
-	priv->tx_queues_stop = false;
-	spin_unlock_bh(&priv->tx_lock);
-	ieee80211_wake_queues(hw);
-
-	WMI_CMD(WMI_ENABLE_INTR_CMDID);
-
-	/* Enable LED */
-	ath9k_hw_cfg_output(ah, ah->led_pin,
-			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
-	ath9k_hw_set_gpio(ah, ah->led_pin, 0);
-}
-
-static void ath9k_htc_radio_disable(struct ieee80211_hw *hw)
-{
-	struct ath9k_htc_priv *priv = hw->priv;
-	struct ath_hw *ah = priv->ah;
-	struct ath_common *common = ath9k_hw_common(ah);
-	int ret;
-	u8 cmd_rsp;
-
-	ath9k_htc_ps_wakeup(priv);
-
-	/* Disable LED */
-	ath9k_hw_set_gpio(ah, ah->led_pin, 1);
-	ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
-
-	WMI_CMD(WMI_DISABLE_INTR_CMDID);
-
-	/* Stop TX */
-	ieee80211_stop_queues(hw);
-	htc_stop(priv->htc);
-	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
-	skb_queue_purge(&priv->tx_queue);
-
-	/* Stop RX */
-	WMI_CMD(WMI_STOP_RECV_CMDID);
-
-	/*
-	 * The MIB counters have to be disabled here,
-	 * since the target doesn't do it.
-	 */
-	ath9k_hw_disable_mib_counters(ah);
-
-	if (!ah->curchan)
-		ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
-
-	/* Reset the HW */
-	ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
-	if (ret) {
-		ath_err(common,
-			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
-			ret, ah->curchan->channel);
-	}
-
-	/* Disable the PHY */
-	ath9k_hw_phy_disable(ah);
-
-	ath9k_htc_ps_restore(priv);
-	ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);
-}
-
 /**********************/
 /* mac80211 Callbacks */
 /**********************/
@@ -1218,6 +1014,12 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
 	int ret = 0;
 	u8 cmd_rsp;
 
+	/* Cancel all the running timers/work .. */
+	cancel_work_sync(&priv->fatal_work);
+	cancel_work_sync(&priv->ps_work);
+	cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
+	ath9k_led_stop_brightness(priv);
+
 	mutex_lock(&priv->mutex);
 
 	if (priv->op_flags & OP_INVALID) {
@@ -1226,11 +1028,6 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
 		return;
 	}
 
-	/* Cancel all the running timers/work .. */
-	cancel_work_sync(&priv->ps_work);
-	cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
-	ath9k_led_stop_brightness(priv);
-
 	ath9k_htc_ps_wakeup(priv);
 	htc_stop(priv->htc);
 	WMI_CMD(WMI_DISABLE_INTR_CMDID);
@@ -1792,7 +1589,6 @@ static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw)
 	spin_lock_bh(&priv->beacon_lock);
 	priv->op_flags &= ~OP_SCANNING;
 	spin_unlock_bh(&priv->beacon_lock);
-	priv->op_flags |= OP_FULL_RESET;
 	if (priv->op_flags & OP_ASSOCIATED) {
 		ath9k_htc_beacon_config(priv, priv->vif);
 		ath_start_ani(priv);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 4b51ed4..fde9786 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1615,7 +1615,9 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
 	 * simply keep the ATH_DBG_WARN_ON_ONCE() but make
 	 * ath9k_hw_setpower() return type void.
 	 */
-	ATH_DBG_WARN_ON_ONCE(!status);
+
+	if (!(ah->ah_flags & AH_UNPLUGGED))
+		ATH_DBG_WARN_ON_ONCE(!status);
 
 	return status;
 }
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index b8ffaa5..5a3dfec 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -646,6 +646,10 @@ struct ath_nf_limits {
 	s16 nominal;
 };
 
+/* ah_flags */
+#define AH_USE_EEPROM   0x1
+#define AH_UNPLUGGED    0x2 /* The card has been physically removed. */
+
 struct ath_hw {
 	struct ieee80211_hw *hw;
 	struct ath_common common;
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index b0e5e716..767d8b8 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -29,8 +29,8 @@ static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
 module_param_named(debug, ath9k_debug, uint, 0);
 MODULE_PARM_DESC(debug, "Debugging mask");
 
-int modparam_nohwcrypt;
-module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
+int ath9k_modparam_nohwcrypt;
+module_param_named(nohwcrypt, ath9k_modparam_nohwcrypt, int, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
 int led_blink;
@@ -45,6 +45,7 @@ int ath9k_pm_qos_value = ATH9K_PM_QOS_DEFAULT_VALUE;
 module_param_named(pmqos, ath9k_pm_qos_value, int, S_IRUSR | S_IRGRP | S_IROTH);
 MODULE_PARM_DESC(pmqos, "User specified PM-QOS value");
 
+bool is_ath9k_unloaded;
 /* We use the hw_value as an index into our private channel structure */
 
 #define CHAN2G(_freq, _idx)  { \
@@ -372,7 +373,7 @@ fail:
 #undef DS2PHYS
 }
 
-static void ath9k_init_crypto(struct ath_softc *sc)
+void ath9k_init_crypto(struct ath_softc *sc)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int i = 0;
@@ -647,13 +648,12 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 		IEEE80211_HW_SUPPORTS_PS |
 		IEEE80211_HW_PS_NULLFUNC_STACK |
 		IEEE80211_HW_SPECTRUM_MGMT |
-		IEEE80211_HW_REPORTS_TX_ACK_STATUS |
-		IEEE80211_HW_NEED_DTIM_PERIOD;
+		IEEE80211_HW_REPORTS_TX_ACK_STATUS;
 
 	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
 		 hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
 
-	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
+	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || ath9k_modparam_nohwcrypt)
 		hw->flags |= IEEE80211_HW_MFP_CAPABLE;
 
 	hw->wiphy->interface_modes =
@@ -899,6 +899,7 @@ module_init(ath9k_init);
 
 static void __exit ath9k_exit(void)
 {
+	is_ath9k_unloaded = true;
 	ath_ahb_exit();
 	ath_pci_exit();
 	ath_rate_control_unregister();
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index e3d2ebf..180170d 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -692,15 +692,16 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
 	if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
 		if (ads.ds_rxstatus8 & AR_CRCErr)
 			rs->rs_status |= ATH9K_RXERR_CRC;
-		else if (ads.ds_rxstatus8 & AR_PHYErr) {
+		if (ads.ds_rxstatus8 & AR_PHYErr) {
 			rs->rs_status |= ATH9K_RXERR_PHY;
 			phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
 			rs->rs_phyerr = phyerr;
-		} else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
+		}
+		if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
 			rs->rs_status |= ATH9K_RXERR_DECRYPT;
-		else if (ads.ds_rxstatus8 & AR_MichaelErr)
+		if (ads.ds_rxstatus8 & AR_MichaelErr)
 			rs->rs_status |= ATH9K_RXERR_MIC;
-		else if (ads.ds_rxstatus8 & AR_KeyMiss)
+		if (ads.ds_rxstatus8 & AR_KeyMiss)
 			rs->rs_status |= ATH9K_RXERR_DECRYPT;
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 8a1691d..f90a6ca 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -285,7 +285,8 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 	ath9k_hw_set_interrupts(ah, ah->imask);
 
 	if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) {
-		ath_beacon_config(sc, NULL);
+		if (sc->sc_flags & SC_OP_BEACONS)
+			ath_beacon_config(sc, NULL);
 		ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
 		ath_start_ani(common);
 	}
@@ -599,7 +600,7 @@ void ath9k_tasklet(unsigned long data)
 		return;
 	}
 
-	spin_lock_bh(&sc->sc_pcu_lock);
+	spin_lock(&sc->sc_pcu_lock);
 
 	if (!ath9k_hw_check_alive(ah))
 		ieee80211_queue_work(sc->hw, &sc->hw_check_work);
@@ -643,7 +644,7 @@ void ath9k_tasklet(unsigned long data)
 	/* re-enable hardware interrupt */
 	ath9k_hw_enable_interrupts(ah);
 
-	spin_unlock_bh(&sc->sc_pcu_lock);
+	spin_unlock(&sc->sc_pcu_lock);
 	ath9k_ps_restore(sc);
 }
 
@@ -1328,6 +1329,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	ath9k_ps_restore(sc);
 
 	sc->ps_idle = true;
+	ath9k_set_wiphy_idle(aphy, true);
 	ath_radio_disable(sc, hw);
 
 	sc->sc_flags |= SC_OP_INVALID;
@@ -1455,6 +1457,7 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	int ret = 0;
 
 	ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
 	mutex_lock(&sc->mutex);
@@ -1464,7 +1467,8 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
 	case NL80211_IFTYPE_ADHOC:
 		if (sc->nbcnvifs >= ATH_BCBUF) {
 			ath_err(common, "No beacon slot available\n");
-			return -ENOBUFS;
+			ret = -ENOBUFS;
+			goto out;
 		}
 		break;
 	case NL80211_IFTYPE_STATION:
@@ -1478,14 +1482,15 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
 	default:
 		ath_err(common, "Interface type %d not yet supported\n",
 				vif->type);
-		mutex_unlock(&sc->mutex);
-		return -ENOTSUPP;
+		ret = -ENOTSUPP;
+		goto out;
 	}
 	vif->type = new_type;
 	vif->p2p = p2p;
 
+out:
 	mutex_unlock(&sc->mutex);
-	return 0;
+	return ret;
 }
 
 static void ath9k_remove_interface(struct ieee80211_hw *hw,
@@ -1824,7 +1829,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int ret = 0;
 
-	if (modparam_nohwcrypt)
+	if (ath9k_modparam_nohwcrypt)
 		return -ENOSPC;
 
 	mutex_lock(&sc->mutex);
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 7ca8499..78ef1f1 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -96,7 +96,7 @@ static void ath_pci_bt_coex_prep(struct ath_common *common)
 	struct pci_dev *pdev = to_pci_dev(sc->dev);
 	u8 aspm;
 
-	if (!pdev->is_pcie)
+	if (!pci_is_pcie(pdev))
 		return;
 
 	pci_read_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, &aspm);
@@ -264,6 +264,8 @@ static void ath_pci_remove(struct pci_dev *pdev)
 	struct ath_softc *sc = aphy->sc;
 	void __iomem *mem = sc->mem;
 
+	if (!is_ath9k_unloaded)
+		sc->sc_ah->ah_flags |= AH_UNPLUGGED;
 	ath9k_deinit_device(sc);
 	free_irq(sc->irq, sc);
 	ieee80211_free_hw(sc->hw);
@@ -309,7 +311,16 @@ static int ath_pci_resume(struct device *device)
 			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
 	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
 
+	  /*
+	   * Reset key cache to sane defaults (all entries cleared) instead of
+	   * semi-random values after suspend/resume.
+	   */
+	ath9k_ps_wakeup(sc);
+	ath9k_init_crypto(sc);
+	ath9k_ps_restore(sc);
+
 	sc->ps_idle = true;
+	ath9k_set_wiphy_idle(aphy, true);
 	ath_radio_disable(sc, hw);
 
 	return 0;
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 896d129..e451478 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -400,7 +400,7 @@ static void ath_rc_sort_validrates(const struct ath_rate_table *rate_table,
 	}
 }
 
-static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv)
+static void ath_rc_init_valid_rate_idx(struct ath_rate_priv *ath_rc_priv)
 {
 	u8 i;
 
@@ -408,7 +408,7 @@ static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv)
 		ath_rc_priv->valid_rate_index[i] = 0;
 }
 
-static inline void ath_rc_set_valid_txmask(struct ath_rate_priv *ath_rc_priv,
+static inline void ath_rc_set_valid_rate_idx(struct ath_rate_priv *ath_rc_priv,
 					   u8 index, int valid_tx_rate)
 {
 	BUG_ON(index > ath_rc_priv->rate_table_size);
@@ -489,7 +489,7 @@ static u8 ath_rc_init_validrates(struct ath_rate_priv *ath_rc_priv,
 
 			ath_rc_priv->valid_phy_rateidx[phy][valid_rate_count] = i;
 			ath_rc_priv->valid_phy_ratecnt[phy] += 1;
-			ath_rc_set_valid_txmask(ath_rc_priv, i, 1);
+			ath_rc_set_valid_rate_idx(ath_rc_priv, i, 1);
 			hi = i;
 		}
 	}
@@ -532,7 +532,7 @@ static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv,
 				ath_rc_priv->valid_phy_rateidx[phy]
 					[valid_rate_count] = j;
 				ath_rc_priv->valid_phy_ratecnt[phy] += 1;
-				ath_rc_set_valid_txmask(ath_rc_priv, j, 1);
+				ath_rc_set_valid_rate_idx(ath_rc_priv, j, 1);
 				hi = A_MAX(hi, j);
 			}
 		}
@@ -568,7 +568,7 @@ static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,
 			ath_rc_priv->valid_phy_rateidx[phy]
 				[ath_rc_priv->valid_phy_ratecnt[phy]] = j;
 			ath_rc_priv->valid_phy_ratecnt[phy] += 1;
-			ath_rc_set_valid_txmask(ath_rc_priv, j, 1);
+			ath_rc_set_valid_rate_idx(ath_rc_priv, j, 1);
 			hi = A_MAX(hi, j);
 		}
 	}
@@ -1210,7 +1210,7 @@ static void ath_rc_init(struct ath_softc *sc,
 	}
 
 	/* Determine the valid rates */
-	ath_rc_init_valid_txmask(ath_rc_priv);
+	ath_rc_init_valid_rate_idx(ath_rc_priv);
 
 	for (i = 0; i < WLAN_RC_PHY_MAX; i++) {
 		for (j = 0; j < MAX_TX_RATE_PHY; j++)
@@ -1321,7 +1321,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 	struct ath_rate_priv *ath_rc_priv = priv_sta;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr;
-	int final_ts_idx = 0, tx_status = 0, is_underrun = 0;
+	int final_ts_idx = 0, tx_status = 0;
 	int long_retry = 0;
 	__le16 fc;
 	int i;
@@ -1358,7 +1358,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 		tx_status = 1;
 
 	ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
-			 (is_underrun) ? sc->hw->max_rate_tries : long_retry);
+			 long_retry);
 
 	/* Check if aggregation has to be enabled for this tid */
 	if (conf_is_ht(&sc->hw->conf) &&
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 31a004c..5d984b8 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -195,7 +195,6 @@ struct ath_rc_stats {
  * @rate_max_phy: phy index for the max rate
  * @per: PER for every valid rate in %
  * @probe_interval: interval for ratectrl to probe for other rates
- * @prev_data_rix: rate idx of last data frame
  * @ht_cap: HT capabilities
  * @neg_rates: Negotatied rates
  * @neg_ht_rates: Negotiated HT rates
@@ -214,10 +213,8 @@ struct ath_rate_priv {
 	u32 probe_time;
 	u32 per_down_time;
 	u32 probe_interval;
-	u32 prev_data_rix;
 	struct ath_rateset neg_rates;
 	struct ath_rateset neg_ht_rates;
-	struct ath_rate_softc *asc;
 	const struct ath_rate_table *rate_table;
 
 	struct dentry *debugfs_rcstats;
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 00ebed3..b2497b8 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -528,7 +528,8 @@ bool ath_stoprecv(struct ath_softc *sc)
 		sc->rx.rxlink = NULL;
 	spin_unlock_bh(&sc->rx.rxbuflock);
 
-	if (unlikely(!stopped)) {
+	if (!(ah->ah_flags & AH_UNPLUGGED) &&
+	    unlikely(!stopped)) {
 		ath_err(ath9k_hw_common(sc->sc_ah),
 			"Could not stop RX, we could be "
 			"confusing the DMA engine when we start RX up\n");
diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c
index 8f42ea7..dc862f5 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -120,7 +120,7 @@ void ath9k_deinit_wmi(struct ath9k_htc_priv *priv)
 	kfree(priv->wmi);
 }
 
-void ath9k_wmi_tasklet(unsigned long data)
+void ath9k_swba_tasklet(unsigned long data)
 {
 	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *)data;
 	struct ath_common *common = ath9k_hw_common(priv->ah);
@@ -131,6 +131,16 @@ void ath9k_wmi_tasklet(unsigned long data)
 
 }
 
+void ath9k_fatal_work(struct work_struct *work)
+{
+	struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv,
+						   fatal_work);
+	struct ath_common *common = ath9k_hw_common(priv->ah);
+
+	ath_dbg(common, ATH_DBG_FATAL, "FATAL Event received, resetting device\n");
+	ath9k_htc_reset(priv);
+}
+
 static void ath9k_wmi_rsp_callback(struct wmi *wmi, struct sk_buff *skb)
 {
 	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
@@ -163,7 +173,11 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb,
 		switch (cmd_id) {
 		case WMI_SWBA_EVENTID:
 			wmi->beacon_pending = *(u8 *)wmi_event;
-			tasklet_schedule(&wmi->drv_priv->wmi_tasklet);
+			tasklet_schedule(&wmi->drv_priv->swba_tasklet);
+			break;
+		case WMI_FATAL_EVENTID:
+			ieee80211_queue_work(wmi->drv_priv->hw,
+					     &wmi->drv_priv->fatal_work);
 			break;
 		case WMI_TXRATE_EVENTID:
 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
@@ -250,7 +264,7 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
 	int time_left, ret = 0;
 	unsigned long flags;
 
-	if (wmi->drv_priv->op_flags & OP_UNPLUGGED)
+	if (ah->ah_flags & AH_UNPLUGGED)
 		return 0;
 
 	skb = alloc_skb(headroom + cmd_len, GFP_ATOMIC);
diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h
index ac61074..4208427 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.h
+++ b/drivers/net/wireless/ath/ath9k/wmi.h
@@ -117,7 +117,8 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
 		  u8 *cmd_buf, u32 cmd_len,
 		  u8 *rsp_buf, u32 rsp_len,
 		  u32 timeout);
-void ath9k_wmi_tasklet(unsigned long data);
+void ath9k_swba_tasklet(unsigned long data);
+void ath9k_fatal_work(struct work_struct *work);
 
 #define WMI_CMD(_wmi_cmd)						\
 	do {								\
diff --git a/drivers/net/wireless/ath/carl9170/phy.c b/drivers/net/wireless/ath/carl9170/phy.c
index 82bc81c..b6b0de6 100644
--- a/drivers/net/wireless/ath/carl9170/phy.c
+++ b/drivers/net/wireless/ath/carl9170/phy.c
@@ -1029,8 +1029,6 @@ static int carl9170_init_rf_bank4_pwr(struct ar9170 *ar, bool band5ghz,
 	if (err)
 		return err;
 
-	msleep(20);
-
 	return 0;
 }
 
@@ -1660,12 +1658,6 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
 			return err;
 
 		cmd = CARL9170_CMD_RF_INIT;
-
-		msleep(100);
-
-		err = carl9170_echo_test(ar, 0xaabbccdd);
-		if (err)
-			return err;
 	} else {
 		cmd = CARL9170_CMD_FREQUENCY;
 	}
@@ -1676,6 +1668,8 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
 
 	err = carl9170_write_reg(ar, AR9170_PHY_REG_HEAVY_CLIP_ENABLE,
 				 0x200);
+	if (err)
+		return err;
 
 	err = carl9170_init_rf_bank4_pwr(ar,
 		channel->band == IEEE80211_BAND_5GHZ,
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index 2d947a3..537732e 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -834,7 +834,7 @@ static int carl9170_usb_load_firmware(struct ar9170 *ar)
 	if (err)
 		goto err_out;
 
-	/* firmware restarts cmd counter */
+	/* now, start the command response counter */
 	ar->cmd_seq = -1;
 
 	return 0;
@@ -851,7 +851,12 @@ int carl9170_usb_restart(struct ar9170 *ar)
 	if (ar->intf->condition != USB_INTERFACE_BOUND)
 		return 0;
 
-	/* Disable command response sequence counter. */
+	/*
+	 * Disable the command response sequence counter check.
+	 * We already know that the device/firmware is in a bad state.
+	 * So, no extra points are awarded to anyone who reminds the
+	 * driver about that.
+	 */
 	ar->cmd_seq = -2;
 
 	err = carl9170_reboot(ar);
@@ -903,6 +908,15 @@ static int carl9170_usb_init_device(struct ar9170 *ar)
 {
 	int err;
 
+	/*
+	 * The carl9170 firmware let's the driver know when it's
+	 * ready for action. But we have to be prepared to gracefully
+	 * handle all spurious [flushed] messages after each (re-)boot.
+	 * Thus the command response counter remains disabled until it
+	 * can be safely synchronized.
+	 */
+	ar->cmd_seq = -2;
+
 	err = carl9170_usb_send_rx_irq_urb(ar);
 	if (err)
 		goto err_out;
@@ -911,14 +925,21 @@ static int carl9170_usb_init_device(struct ar9170 *ar)
 	if (err)
 		goto err_unrx;
 
+	err = carl9170_usb_open(ar);
+	if (err)
+		goto err_unrx;
+
 	mutex_lock(&ar->mutex);
 	err = carl9170_usb_load_firmware(ar);
 	mutex_unlock(&ar->mutex);
 	if (err)
-		goto err_unrx;
+		goto err_stop;
 
 	return 0;
 
+err_stop:
+	carl9170_usb_stop(ar);
+
 err_unrx:
 	carl9170_usb_cancel_urbs(ar);
 
@@ -964,10 +985,6 @@ static void carl9170_usb_firmware_finish(struct ar9170 *ar)
 	if (err)
 		goto err_freefw;
 
-	err = carl9170_usb_open(ar);
-	if (err)
-		goto err_unrx;
-
 	err = carl9170_register(ar);
 
 	carl9170_usb_stop(ar);
@@ -1043,7 +1060,6 @@ static int carl9170_usb_probe(struct usb_interface *intf,
 	atomic_set(&ar->rx_work_urbs, 0);
 	atomic_set(&ar->rx_anch_urbs, 0);
 	atomic_set(&ar->rx_pool_urbs, 0);
-	ar->cmd_seq = -2;
 
 	usb_get_dev(ar->udev);
 
@@ -1090,10 +1106,6 @@ static int carl9170_usb_suspend(struct usb_interface *intf,
 
 	carl9170_usb_cancel_urbs(ar);
 
-	/*
-	 * firmware automatically reboots for usb suspend.
-	 */
-
 	return 0;
 }
 
@@ -1106,12 +1118,20 @@ static int carl9170_usb_resume(struct usb_interface *intf)
 		return -ENODEV;
 
 	usb_unpoison_anchored_urbs(&ar->rx_anch);
+	carl9170_set_state(ar, CARL9170_STOPPED);
 
-	err = carl9170_usb_init_device(ar);
-	if (err)
-		goto err_unrx;
+	/*
+	 * The USB documentation demands that [for suspend] all traffic
+	 * to and from the device has to stop. This would be fine, but
+	 * there's a catch: the device[usb phy] does not come back.
+	 *
+	 * Upon resume the firmware will "kill" itself and the
+	 * boot-code sorts out the magic voodoo.
+	 * Not very nice, but there's not much what could go wrong.
+	 */
+	msleep(1100);
 
-	err = carl9170_usb_open(ar);
+	err = carl9170_usb_init_device(ar);
 	if (err)
 		goto err_unrx;
 
@@ -1133,6 +1153,7 @@ static struct usb_driver carl9170_driver = {
 #ifdef CONFIG_PM
 	.suspend = carl9170_usb_suspend,
 	.resume = carl9170_usb_resume,
+	.reset_resume = carl9170_usb_resume,
 #endif /* CONFIG_PM */
 };