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

1 files changed, 550 insertions, 588 deletions

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index dce848f76d7c..f54dff44ed50 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -86,7 +86,7 @@ MODULE_SUPPORTED_DEVICE("Atheros 5xxx WLAN cards");
 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,
+static int ath5k_reset(struct ath5k_hw *ah, struct ieee80211_channel *chan,
 								bool skip_pcu);
 
 /* Known SREVs */
@@ -238,8 +238,8 @@ static const struct ath_ops ath5k_common_ops = {
 static int ath5k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)
 {
 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
-	struct ath5k_softc *sc = hw->priv;
-	struct ath_regulatory *regulatory = ath5k_hw_regulatory(sc->ah);
+	struct ath5k_hw *ah = hw->priv;
+	struct ath_regulatory *regulatory = ath5k_hw_regulatory(ah);
 
 	return ath_reg_notifier_apply(wiphy, request, regulatory);
 }
@@ -289,7 +289,7 @@ ath5k_setup_channels(struct ath5k_hw *ah, struct ieee80211_channel *channels,
 		band = IEEE80211_BAND_2GHZ;
 		break;
 	default:
-		ATH5K_WARN(ah->ah_sc, "bad mode, not copying channels\n");
+		ATH5K_WARN(ah, "bad mode, not copying channels\n");
 		return 0;
 	}
 
@@ -327,51 +327,50 @@ ath5k_setup_channels(struct ath5k_hw *ah, struct ieee80211_channel *channels,
 }
 
 static void
-ath5k_setup_rate_idx(struct ath5k_softc *sc, struct ieee80211_supported_band *b)
+ath5k_setup_rate_idx(struct ath5k_hw *ah, struct ieee80211_supported_band *b)
 {
 	u8 i;
 
 	for (i = 0; i < AR5K_MAX_RATES; i++)
-		sc->rate_idx[b->band][i] = -1;
+		ah->rate_idx[b->band][i] = -1;
 
 	for (i = 0; i < b->n_bitrates; i++) {
-		sc->rate_idx[b->band][b->bitrates[i].hw_value] = i;
+		ah->rate_idx[b->band][b->bitrates[i].hw_value] = i;
 		if (b->bitrates[i].hw_value_short)
-			sc->rate_idx[b->band][b->bitrates[i].hw_value_short] = i;
+			ah->rate_idx[b->band][b->bitrates[i].hw_value_short] = i;
 	}
 }
 
 static int
 ath5k_setup_bands(struct ieee80211_hw *hw)
 {
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_hw *ah = hw->priv;
 	struct ieee80211_supported_band *sband;
 	int max_c, count_c = 0;
 	int i;
 
-	BUILD_BUG_ON(ARRAY_SIZE(sc->sbands) < IEEE80211_NUM_BANDS);
-	max_c = ARRAY_SIZE(sc->channels);
+	BUILD_BUG_ON(ARRAY_SIZE(ah->sbands) < IEEE80211_NUM_BANDS);
+	max_c = ARRAY_SIZE(ah->channels);
 
 	/* 2GHz band */
-	sband = &sc->sbands[IEEE80211_BAND_2GHZ];
+	sband = &ah->sbands[IEEE80211_BAND_2GHZ];
 	sband->band = IEEE80211_BAND_2GHZ;
-	sband->bitrates = &sc->rates[IEEE80211_BAND_2GHZ][0];
+	sband->bitrates = &ah->rates[IEEE80211_BAND_2GHZ][0];
 
-	if (test_bit(AR5K_MODE_11G, sc->ah->ah_capabilities.cap_mode)) {
+	if (test_bit(AR5K_MODE_11G, ah->ah_capabilities.cap_mode)) {
 		/* G mode */
 		memcpy(sband->bitrates, &ath5k_rates[0],
 		       sizeof(struct ieee80211_rate) * 12);
 		sband->n_bitrates = 12;
 
-		sband->channels = sc->channels;
+		sband->channels = ah->channels;
 		sband->n_channels = ath5k_setup_channels(ah, sband->channels,
 					AR5K_MODE_11G, max_c);
 
 		hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
 		count_c = sband->n_channels;
 		max_c -= count_c;
-	} else if (test_bit(AR5K_MODE_11B, sc->ah->ah_capabilities.cap_mode)) {
+	} else if (test_bit(AR5K_MODE_11B, ah->ah_capabilities.cap_mode)) {
 		/* B mode */
 		memcpy(sband->bitrates, &ath5k_rates[0],
 		       sizeof(struct ieee80211_rate) * 4);
@@ -390,7 +389,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
 			}
 		}
 
-		sband->channels = sc->channels;
+		sband->channels = ah->channels;
 		sband->n_channels = ath5k_setup_channels(ah, sband->channels,
 					AR5K_MODE_11B, max_c);
 
@@ -398,27 +397,27 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
 		count_c = sband->n_channels;
 		max_c -= count_c;
 	}
-	ath5k_setup_rate_idx(sc, sband);
+	ath5k_setup_rate_idx(ah, sband);
 
 	/* 5GHz band, A mode */
-	if (test_bit(AR5K_MODE_11A, sc->ah->ah_capabilities.cap_mode)) {
-		sband = &sc->sbands[IEEE80211_BAND_5GHZ];
+	if (test_bit(AR5K_MODE_11A, ah->ah_capabilities.cap_mode)) {
+		sband = &ah->sbands[IEEE80211_BAND_5GHZ];
 		sband->band = IEEE80211_BAND_5GHZ;
-		sband->bitrates = &sc->rates[IEEE80211_BAND_5GHZ][0];
+		sband->bitrates = &ah->rates[IEEE80211_BAND_5GHZ][0];
 
 		memcpy(sband->bitrates, &ath5k_rates[4],
 		       sizeof(struct ieee80211_rate) * 8);
 		sband->n_bitrates = 8;
 
-		sband->channels = &sc->channels[count_c];
+		sband->channels = &ah->channels[count_c];
 		sband->n_channels = ath5k_setup_channels(ah, sband->channels,
 					AR5K_MODE_11A, max_c);
 
 		hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
 	}
-	ath5k_setup_rate_idx(sc, sband);
+	ath5k_setup_rate_idx(ah, sband);
 
-	ath5k_debug_dump_bands(sc);
+	ath5k_debug_dump_bands(ah);
 
 	return 0;
 }
@@ -428,14 +427,14 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
  * To accomplish this we must first cleanup any pending DMA,
  * then restart stuff after a la  ath5k_init.
  *
- * Called with sc->lock.
+ * Called with ah->lock.
  */
 int
-ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
+ath5k_chan_set(struct ath5k_hw *ah, struct ieee80211_channel *chan)
 {
-	ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
+	ATH5K_DBG(ah, ATH5K_DEBUG_RESET,
 		  "channel set, resetting (%u -> %u MHz)\n",
-		  sc->curchan->center_freq, chan->center_freq);
+		  ah->curchan->center_freq, chan->center_freq);
 
 	/*
 	 * To switch channels clear any pending DMA operations;
@@ -443,7 +442,7 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
 	 * hardware at the new frequency, and then re-enable
 	 * the relevant bits of the h/w.
 	 */
-	return ath5k_reset(sc, chan, true);
+	return ath5k_reset(ah, chan, true);
 }
 
 void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
@@ -487,10 +486,10 @@ void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 }
 
 void
-ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
+ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
 				   struct ieee80211_vif *vif)
 {
-	struct ath_common *common = ath5k_hw_common(sc->ah);
+	struct ath_common *common = ath5k_hw_common(ah);
 	struct ath5k_vif_iter_data iter_data;
 	u32 rfilt;
 
@@ -509,24 +508,24 @@ ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
 		ath5k_vif_iter(&iter_data, vif->addr, vif);
 
 	/* Get list of all active MAC addresses */
-	ieee80211_iterate_active_interfaces_atomic(sc->hw, ath5k_vif_iter,
+	ieee80211_iterate_active_interfaces_atomic(ah->hw, ath5k_vif_iter,
 						   &iter_data);
-	memcpy(sc->bssidmask, iter_data.mask, ETH_ALEN);
+	memcpy(ah->bssidmask, iter_data.mask, ETH_ALEN);
 
-	sc->opmode = iter_data.opmode;
-	if (sc->opmode == NL80211_IFTYPE_UNSPECIFIED)
+	ah->opmode = iter_data.opmode;
+	if (ah->opmode == NL80211_IFTYPE_UNSPECIFIED)
 		/* Nothing active, default to station mode */
-		sc->opmode = NL80211_IFTYPE_STATION;
+		ah->opmode = NL80211_IFTYPE_STATION;
 
-	ath5k_hw_set_opmode(sc->ah, sc->opmode);
-	ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "mode setup opmode %d (%s)\n",
-		  sc->opmode, ath_opmode_to_string(sc->opmode));
+	ath5k_hw_set_opmode(ah, ah->opmode);
+	ATH5K_DBG(ah, ATH5K_DEBUG_MODE, "mode setup opmode %d (%s)\n",
+		  ah->opmode, ath_opmode_to_string(ah->opmode));
 
 	if (iter_data.need_set_hw_addr && iter_data.found_active)
-		ath5k_hw_set_lladdr(sc->ah, iter_data.active_mac);
+		ath5k_hw_set_lladdr(ah, iter_data.active_mac);
 
-	if (ath5k_hw_hasbssidmask(sc->ah))
-		ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask);
+	if (ath5k_hw_hasbssidmask(ah))
+		ath5k_hw_set_bssid_mask(ah, ah->bssidmask);
 
 	/* Set up RX Filter */
 	if (iter_data.n_stas > 1) {
@@ -534,16 +533,16 @@ ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
 		 * different APs, ARPs are not received (most of the time?)
 		 * Enabling PROMISC appears to fix that problem.
 		 */
-		sc->filter_flags |= AR5K_RX_FILTER_PROM;
+		ah->filter_flags |= AR5K_RX_FILTER_PROM;
 	}
 
-	rfilt = sc->filter_flags;
-	ath5k_hw_set_rx_filter(sc->ah, rfilt);
-	ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "RX filter 0x%x\n", rfilt);
+	rfilt = ah->filter_flags;
+	ath5k_hw_set_rx_filter(ah, rfilt);
+	ATH5K_DBG(ah, ATH5K_DEBUG_MODE, "RX filter 0x%x\n", rfilt);
 }
 
 static inline int
-ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
+ath5k_hw_to_driver_rix(struct ath5k_hw *ah, int hw_rix)
 {
 	int rix;
 
@@ -552,7 +551,7 @@ ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
 			"hw_rix out of bounds: %x\n", hw_rix))
 		return 0;
 
-	rix = sc->rate_idx[sc->curchan->band][hw_rix];
+	rix = ah->rate_idx[ah->curchan->band][hw_rix];
 	if (WARN(rix < 0, "invalid hw_rix: %x\n", hw_rix))
 		rix = 0;
 
@@ -564,9 +563,9 @@ ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
 \***************/
 
 static
-struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr)
+struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_hw *ah, dma_addr_t *skb_addr)
 {
-	struct ath_common *common = ath5k_hw_common(sc->ah);
+	struct ath_common *common = ath5k_hw_common(ah);
 	struct sk_buff *skb;
 
 	/*
@@ -578,17 +577,17 @@ struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr)
 			      GFP_ATOMIC);
 
 	if (!skb) {
-		ATH5K_ERR(sc, "can't alloc skbuff of size %u\n",
+		ATH5K_ERR(ah, "can't alloc skbuff of size %u\n",
 				common->rx_bufsize);
 		return NULL;
 	}
 
-	*skb_addr = dma_map_single(sc->dev,
+	*skb_addr = dma_map_single(ah->dev,
 				   skb->data, common->rx_bufsize,
 				   DMA_FROM_DEVICE);
 
-	if (unlikely(dma_mapping_error(sc->dev, *skb_addr))) {
-		ATH5K_ERR(sc, "%s: DMA mapping failed\n", __func__);
+	if (unlikely(dma_mapping_error(ah->dev, *skb_addr))) {
+		ATH5K_ERR(ah, "%s: DMA mapping failed\n", __func__);
 		dev_kfree_skb(skb);
 		return NULL;
 	}
@@ -596,15 +595,14 @@ struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr)
 }
 
 static int
-ath5k_rxbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
+ath5k_rxbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf)
 {
-	struct ath5k_hw *ah = sc->ah;
 	struct sk_buff *skb = bf->skb;
 	struct ath5k_desc *ds;
 	int ret;
 
 	if (!skb) {
-		skb = ath5k_rx_skb_alloc(sc, &bf->skbaddr);
+		skb = ath5k_rx_skb_alloc(ah, &bf->skbaddr);
 		if (!skb)
 			return -ENOMEM;
 		bf->skb = skb;
@@ -630,13 +628,13 @@ ath5k_rxbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
 	ds->ds_data = bf->skbaddr;
 	ret = ath5k_hw_setup_rx_desc(ah, ds, ah->common.rx_bufsize, 0);
 	if (ret) {
-		ATH5K_ERR(sc, "%s: could not setup RX desc\n", __func__);
+		ATH5K_ERR(ah, "%s: could not setup RX desc\n", __func__);
 		return ret;
 	}
 
-	if (sc->rxlink != NULL)
-		*sc->rxlink = bf->daddr;
-	sc->rxlink = &ds->ds_link;
+	if (ah->rxlink != NULL)
+		*ah->rxlink = bf->daddr;
+	ah->rxlink = &ds->ds_link;
 	return 0;
 }
 
@@ -664,10 +662,9 @@ static enum ath5k_pkt_type get_hw_packet_type(struct sk_buff *skb)
 }
 
 static int
-ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
+ath5k_txbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf,
 		  struct ath5k_txq *txq, int padsize)
 {
-	struct ath5k_hw *ah = sc->ah;
 	struct ath5k_desc *ds = bf->desc;
 	struct sk_buff *skb = bf->skb;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -683,10 +680,10 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 	flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK;
 
 	/* XXX endianness */
-	bf->skbaddr = dma_map_single(sc->dev, skb->data, skb->len,
+	bf->skbaddr = dma_map_single(ah->dev, skb->data, skb->len,
 			DMA_TO_DEVICE);
 
-	rate = ieee80211_get_tx_rate(sc->hw, info);
+	rate = ieee80211_get_tx_rate(ah->hw, info);
 	if (!rate) {
 		ret = -EINVAL;
 		goto err_unmap;
@@ -710,20 +707,20 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 	}
 	if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
 		flags |= AR5K_TXDESC_RTSENA;
-		cts_rate = ieee80211_get_rts_cts_rate(sc->hw, info)->hw_value;
-		duration = le16_to_cpu(ieee80211_rts_duration(sc->hw,
+		cts_rate = ieee80211_get_rts_cts_rate(ah->hw, info)->hw_value;
+		duration = le16_to_cpu(ieee80211_rts_duration(ah->hw,
 			info->control.vif, pktlen, info));
 	}
 	if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
 		flags |= AR5K_TXDESC_CTSENA;
-		cts_rate = ieee80211_get_rts_cts_rate(sc->hw, info)->hw_value;
-		duration = le16_to_cpu(ieee80211_ctstoself_duration(sc->hw,
+		cts_rate = ieee80211_get_rts_cts_rate(ah->hw, info)->hw_value;
+		duration = le16_to_cpu(ieee80211_ctstoself_duration(ah->hw,
 			info->control.vif, pktlen, info));
 	}
 	ret = ah->ah_setup_tx_desc(ah, ds, pktlen,
 		ieee80211_get_hdrlen_from_skb(skb), padsize,
 		get_hw_packet_type(skb),
-		(sc->power_level * 2),
+		(ah->power_level * 2),
 		hw_rate,
 		info->control.rates[0].count, keyidx, ah->ah_tx_ant, flags,
 		cts_rate, duration);
@@ -733,7 +730,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 	memset(mrr_rate, 0, sizeof(mrr_rate));
 	memset(mrr_tries, 0, sizeof(mrr_tries));
 	for (i = 0; i < 3; i++) {
-		rate = ieee80211_get_alt_retry_rate(sc->hw, info, i);
+		rate = ieee80211_get_alt_retry_rate(ah->hw, info, i);
 		if (!rate)
 			break;
 
@@ -764,7 +761,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 
 	return 0;
 err_unmap:
-	dma_unmap_single(sc->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE);
+	dma_unmap_single(ah->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE);
 	return ret;
 }
 
@@ -773,7 +770,7 @@ err_unmap:
 \*******************/
 
 static int
-ath5k_desc_alloc(struct ath5k_softc *sc)
+ath5k_desc_alloc(struct ath5k_hw *ah)
 {
 	struct ath5k_desc *ds;
 	struct ath5k_buf *bf;
@@ -782,68 +779,68 @@ ath5k_desc_alloc(struct ath5k_softc *sc)
 	int ret;
 
 	/* allocate descriptors */
-	sc->desc_len = sizeof(struct ath5k_desc) *
+	ah->desc_len = sizeof(struct ath5k_desc) *
 			(ATH_TXBUF + ATH_RXBUF + ATH_BCBUF + 1);
 
-	sc->desc = dma_alloc_coherent(sc->dev, sc->desc_len,
-				&sc->desc_daddr, GFP_KERNEL);
-	if (sc->desc == NULL) {
-		ATH5K_ERR(sc, "can't allocate descriptors\n");
+	ah->desc = dma_alloc_coherent(ah->dev, ah->desc_len,
+				&ah->desc_daddr, GFP_KERNEL);
+	if (ah->desc == NULL) {
+		ATH5K_ERR(ah, "can't allocate descriptors\n");
 		ret = -ENOMEM;
 		goto err;
 	}
-	ds = sc->desc;
-	da = sc->desc_daddr;
-	ATH5K_DBG(sc, ATH5K_DEBUG_ANY, "DMA map: %p (%zu) -> %llx\n",
-		ds, sc->desc_len, (unsigned long long)sc->desc_daddr);
+	ds = ah->desc;
+	da = ah->desc_daddr;
+	ATH5K_DBG(ah, ATH5K_DEBUG_ANY, "DMA map: %p (%zu) -> %llx\n",
+		ds, ah->desc_len, (unsigned long long)ah->desc_daddr);
 
 	bf = kcalloc(1 + ATH_TXBUF + ATH_RXBUF + ATH_BCBUF,
 			sizeof(struct ath5k_buf), GFP_KERNEL);
 	if (bf == NULL) {
-		ATH5K_ERR(sc, "can't allocate bufptr\n");
+		ATH5K_ERR(ah, "can't allocate bufptr\n");
 		ret = -ENOMEM;
 		goto err_free;
 	}
-	sc->bufptr = bf;
+	ah->bufptr = bf;
 
-	INIT_LIST_HEAD(&sc->rxbuf);
+	INIT_LIST_HEAD(&ah->rxbuf);
 	for (i = 0; i < ATH_RXBUF; i++, bf++, ds++, da += sizeof(*ds)) {
 		bf->desc = ds;
 		bf->daddr = da;
-		list_add_tail(&bf->list, &sc->rxbuf);
+		list_add_tail(&bf->list, &ah->rxbuf);
 	}
 
-	INIT_LIST_HEAD(&sc->txbuf);
-	sc->txbuf_len = ATH_TXBUF;
+	INIT_LIST_HEAD(&ah->txbuf);
+	ah->txbuf_len = ATH_TXBUF;
 	for (i = 0; i < ATH_TXBUF; i++, bf++, ds++, da += sizeof(*ds)) {
 		bf->desc = ds;
 		bf->daddr = da;
-		list_add_tail(&bf->list, &sc->txbuf);
+		list_add_tail(&bf->list, &ah->txbuf);
 	}
 
 	/* beacon buffers */
-	INIT_LIST_HEAD(&sc->bcbuf);
+	INIT_LIST_HEAD(&ah->bcbuf);
 	for (i = 0; i < ATH_BCBUF; i++, bf++, ds++, da += sizeof(*ds)) {
 		bf->desc = ds;
 		bf->daddr = da;
-		list_add_tail(&bf->list, &sc->bcbuf);
+		list_add_tail(&bf->list, &ah->bcbuf);
 	}
 
 	return 0;
 err_free:
-	dma_free_coherent(sc->dev, sc->desc_len, sc->desc, sc->desc_daddr);
+	dma_free_coherent(ah->dev, ah->desc_len, ah->desc, ah->desc_daddr);
 err:
-	sc->desc = NULL;
+	ah->desc = NULL;
 	return ret;
 }
 
 void
-ath5k_txbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf)
+ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf)
 {
 	BUG_ON(!bf);
 	if (!bf->skb)
 		return;
-	dma_unmap_single(sc->dev, bf->skbaddr, bf->skb->len,
+	dma_unmap_single(ah->dev, bf->skbaddr, bf->skb->len,
 			DMA_TO_DEVICE);
 	dev_kfree_skb_any(bf->skb);
 	bf->skb = NULL;
@@ -852,15 +849,14 @@ 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)
+ath5k_rxbuf_free_skb(struct ath5k_hw *ah, 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_unmap_single(ah->dev, bf->skbaddr, common->rx_bufsize,
 			DMA_FROM_DEVICE);
 	dev_kfree_skb_any(bf->skb);
 	bf->skb = NULL;
@@ -869,24 +865,24 @@ ath5k_rxbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf)
 }
 
 static void
-ath5k_desc_free(struct ath5k_softc *sc)
+ath5k_desc_free(struct ath5k_hw *ah)
 {
 	struct ath5k_buf *bf;
 
-	list_for_each_entry(bf, &sc->txbuf, list)
-		ath5k_txbuf_free_skb(sc, bf);
-	list_for_each_entry(bf, &sc->rxbuf, list)
-		ath5k_rxbuf_free_skb(sc, bf);
-	list_for_each_entry(bf, &sc->bcbuf, list)
-		ath5k_txbuf_free_skb(sc, bf);
+	list_for_each_entry(bf, &ah->txbuf, list)
+		ath5k_txbuf_free_skb(ah, bf);
+	list_for_each_entry(bf, &ah->rxbuf, list)
+		ath5k_rxbuf_free_skb(ah, bf);
+	list_for_each_entry(bf, &ah->bcbuf, list)
+		ath5k_txbuf_free_skb(ah, bf);
 
 	/* Free memory associated with all descriptors */
-	dma_free_coherent(sc->dev, sc->desc_len, sc->desc, sc->desc_daddr);
-	sc->desc = NULL;
-	sc->desc_daddr = 0;
+	dma_free_coherent(ah->dev, ah->desc_len, ah->desc, ah->desc_daddr);
+	ah->desc = NULL;
+	ah->desc_daddr = 0;
 
-	kfree(sc->bufptr);
-	sc->bufptr = NULL;
+	kfree(ah->bufptr);
+	ah->bufptr = NULL;
 }
 
 
@@ -895,10 +891,9 @@ ath5k_desc_free(struct ath5k_softc *sc)
 \**************/
 
 static struct ath5k_txq *
-ath5k_txq_setup(struct ath5k_softc *sc,
+ath5k_txq_setup(struct ath5k_hw *ah,
 		int qtype, int subtype)
 {
-	struct ath5k_hw *ah = sc->ah;
 	struct ath5k_txq *txq;
 	struct ath5k_txq_info qi = {
 		.tqi_subtype = subtype,
@@ -932,13 +927,13 @@ ath5k_txq_setup(struct ath5k_softc *sc,
 		 */
 		return ERR_PTR(qnum);
 	}
-	if (qnum >= ARRAY_SIZE(sc->txqs)) {
-		ATH5K_ERR(sc, "hw qnum %u out of range, max %tu!\n",
-			qnum, ARRAY_SIZE(sc->txqs));
+	if (qnum >= ARRAY_SIZE(ah->txqs)) {
+		ATH5K_ERR(ah, "hw qnum %u out of range, max %tu!\n",
+			qnum, ARRAY_SIZE(ah->txqs));
 		ath5k_hw_release_tx_queue(ah, qnum);
 		return ERR_PTR(-EINVAL);
 	}
-	txq = &sc->txqs[qnum];
+	txq = &ah->txqs[qnum];
 	if (!txq->setup) {
 		txq->qnum = qnum;
 		txq->link = NULL;
@@ -950,7 +945,7 @@ ath5k_txq_setup(struct ath5k_softc *sc,
 		txq->txq_poll_mark = false;
 		txq->txq_stuck = 0;
 	}
-	return &sc->txqs[qnum];
+	return &ah->txqs[qnum];
 }
 
 static int
@@ -970,18 +965,17 @@ ath5k_beaconq_setup(struct ath5k_hw *ah)
 }
 
 static int
-ath5k_beaconq_config(struct ath5k_softc *sc)
+ath5k_beaconq_config(struct ath5k_hw *ah)
 {
-	struct ath5k_hw *ah = sc->ah;
 	struct ath5k_txq_info qi;
 	int ret;
 
-	ret = ath5k_hw_get_tx_queueprops(ah, sc->bhalq, &qi);
+	ret = ath5k_hw_get_tx_queueprops(ah, ah->bhalq, &qi);
 	if (ret)
 		goto err;
 
-	if (sc->opmode == NL80211_IFTYPE_AP ||
-	    sc->opmode == NL80211_IFTYPE_MESH_POINT) {
+	if (ah->opmode == NL80211_IFTYPE_AP ||
+	    ah->opmode == NL80211_IFTYPE_MESH_POINT) {
 		/*
 		 * Always burst out beacon and CAB traffic
 		 * (aifs = cwmin = cwmax = 0)
@@ -989,7 +983,7 @@ ath5k_beaconq_config(struct ath5k_softc *sc)
 		qi.tqi_aifs = 0;
 		qi.tqi_cw_min = 0;
 		qi.tqi_cw_max = 0;
-	} else if (sc->opmode == NL80211_IFTYPE_ADHOC) {
+	} else if (ah->opmode == NL80211_IFTYPE_ADHOC) {
 		/*
 		 * Adhoc mode; backoff between 0 and (2 * cw_min).
 		 */
@@ -998,17 +992,17 @@ ath5k_beaconq_config(struct ath5k_softc *sc)
 		qi.tqi_cw_max = 2 * AR5K_TUNE_CWMIN;
 	}
 
-	ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
+	ATH5K_DBG(ah, ATH5K_DEBUG_BEACON,
 		"beacon queueprops tqi_aifs:%d tqi_cw_min:%d tqi_cw_max:%d\n",
 		qi.tqi_aifs, qi.tqi_cw_min, qi.tqi_cw_max);
 
-	ret = ath5k_hw_set_tx_queueprops(ah, sc->bhalq, &qi);
+	ret = ath5k_hw_set_tx_queueprops(ah, ah->bhalq, &qi);
 	if (ret) {
-		ATH5K_ERR(sc, "%s: unable to update parameters for beacon "
+		ATH5K_ERR(ah, "%s: unable to update parameters for beacon "
 			"hardware queue!\n", __func__);
 		goto err;
 	}
-	ret = ath5k_hw_reset_tx_queue(ah, sc->bhalq); /* push to h/w */
+	ret = ath5k_hw_reset_tx_queue(ah, ah->bhalq); /* push to h/w */
 	if (ret)
 		goto err;
 
@@ -1017,7 +1011,7 @@ ath5k_beaconq_config(struct ath5k_softc *sc)
 	if (ret)
 		goto err;
 
-	qi.tqi_ready_time = (sc->bintval * 80) / 100;
+	qi.tqi_ready_time = (ah->bintval * 80) / 100;
 	ret = ath5k_hw_set_tx_queueprops(ah, AR5K_TX_QUEUE_ID_CAB, &qi);
 	if (ret)
 		goto err;
@@ -1030,7 +1024,7 @@ err:
 /**
  * ath5k_drain_tx_buffs - Empty tx buffers
  *
- * @sc The &struct ath5k_softc
+ * @ah The &struct ath5k_hw
  *
  * Empty tx buffers from all queues in preparation
  * of a reset or during shutdown.
@@ -1039,26 +1033,26 @@ err:
  *	we do not need to block ath5k_tx_tasklet
  */
 static void
-ath5k_drain_tx_buffs(struct ath5k_softc *sc)
+ath5k_drain_tx_buffs(struct ath5k_hw *ah)
 {
 	struct ath5k_txq *txq;
 	struct ath5k_buf *bf, *bf0;
 	int i;
 
-	for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
-		if (sc->txqs[i].setup) {
-			txq = &sc->txqs[i];
+	for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
+		if (ah->txqs[i].setup) {
+			txq = &ah->txqs[i];
 			spin_lock_bh(&txq->lock);
 			list_for_each_entry_safe(bf, bf0, &txq->q, list) {
-				ath5k_debug_printtxbuf(sc, bf);
+				ath5k_debug_printtxbuf(ah, bf);
 
-				ath5k_txbuf_free_skb(sc, bf);
+				ath5k_txbuf_free_skb(ah, bf);
 
-				spin_lock_bh(&sc->txbuflock);
-				list_move_tail(&bf->list, &sc->txbuf);
-				sc->txbuf_len++;
+				spin_lock_bh(&ah->txbuflock);
+				list_move_tail(&bf->list, &ah->txbuf);
+				ah->txbuf_len++;
 				txq->txq_len--;
-				spin_unlock_bh(&sc->txbuflock);
+				spin_unlock_bh(&ah->txbuflock);
 			}
 			txq->link = NULL;
 			txq->txq_poll_mark = false;
@@ -1068,14 +1062,14 @@ ath5k_drain_tx_buffs(struct ath5k_softc *sc)
 }
 
 static void
-ath5k_txq_release(struct ath5k_softc *sc)
+ath5k_txq_release(struct ath5k_hw *ah)
 {
-	struct ath5k_txq *txq = sc->txqs;
+	struct ath5k_txq *txq = ah->txqs;
 	unsigned int i;
 
-	for (i = 0; i < ARRAY_SIZE(sc->txqs); i++, txq++)
+	for (i = 0; i < ARRAY_SIZE(ah->txqs); i++, txq++)
 		if (txq->setup) {
-			ath5k_hw_release_tx_queue(sc->ah, txq->qnum);
+			ath5k_hw_release_tx_queue(ah, txq->qnum);
 			txq->setup = false;
 		}
 }
@@ -1089,33 +1083,32 @@ ath5k_txq_release(struct ath5k_softc *sc)
  * Enable the receive h/w following a reset.
  */
 static int
-ath5k_rx_start(struct ath5k_softc *sc)
+ath5k_rx_start(struct ath5k_hw *ah)
 {
-	struct ath5k_hw *ah = sc->ah;
 	struct ath_common *common = ath5k_hw_common(ah);
 	struct ath5k_buf *bf;
 	int ret;
 
 	common->rx_bufsize = roundup(IEEE80211_MAX_FRAME_LEN, common->cachelsz);
 
-	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "cachelsz %u rx_bufsize %u\n",
+	ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "cachelsz %u rx_bufsize %u\n",
 		  common->cachelsz, common->rx_bufsize);
 
-	spin_lock_bh(&sc->rxbuflock);
-	sc->rxlink = NULL;
-	list_for_each_entry(bf, &sc->rxbuf, list) {
-		ret = ath5k_rxbuf_setup(sc, bf);
+	spin_lock_bh(&ah->rxbuflock);
+	ah->rxlink = NULL;
+	list_for_each_entry(bf, &ah->rxbuf, list) {
+		ret = ath5k_rxbuf_setup(ah, bf);
 		if (ret != 0) {
-			spin_unlock_bh(&sc->rxbuflock);
+			spin_unlock_bh(&ah->rxbuflock);
 			goto err;
 		}
 	}
-	bf = list_first_entry(&sc->rxbuf, struct ath5k_buf, list);
+	bf = list_first_entry(&ah->rxbuf, struct ath5k_buf, list);
 	ath5k_hw_set_rxdp(ah, bf->daddr);
-	spin_unlock_bh(&sc->rxbuflock);
+	spin_unlock_bh(&ah->rxbuflock);
 
 	ath5k_hw_start_rx_dma(ah);	/* enable recv descriptors */
-	ath5k_update_bssid_mask_and_opmode(sc, NULL); /* set filters, etc. */
+	ath5k_update_bssid_mask_and_opmode(ah, NULL); /* set filters, etc. */
 	ath5k_hw_start_rx_pcu(ah);	/* re-enable PCU/DMA engine */
 
 	return 0;
@@ -1131,21 +1124,19 @@ err:
  * does.
  */
 static void
-ath5k_rx_stop(struct ath5k_softc *sc)
+ath5k_rx_stop(struct ath5k_hw *ah)
 {
-	struct ath5k_hw *ah = sc->ah;
 
 	ath5k_hw_set_rx_filter(ah, 0);	/* clear recv filter */
 	ath5k_hw_stop_rx_pcu(ah);	/* disable PCU */
 
-	ath5k_debug_printrxbuffs(sc, ah);
+	ath5k_debug_printrxbuffs(ah);
 }
 
 static unsigned int
-ath5k_rx_decrypted(struct ath5k_softc *sc, struct sk_buff *skb,
+ath5k_rx_decrypted(struct ath5k_hw *ah, struct sk_buff *skb,
 		   struct ath5k_rx_status *rs)
 {
-	struct ath5k_hw *ah = sc->ah;
 	struct ath_common *common = ath5k_hw_common(ah);
 	struct ieee80211_hdr *hdr = (void *)skb->data;
 	unsigned int keyix, hlen;
@@ -1172,10 +1163,10 @@ ath5k_rx_decrypted(struct ath5k_softc *sc, struct sk_buff *skb,
 
 
 static void
-ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb,
+ath5k_check_ibss_tsf(struct ath5k_hw *ah, struct sk_buff *skb,
 		     struct ieee80211_rx_status *rxs)
 {
-	struct ath_common *common = ath5k_hw_common(sc->ah);
+	struct ath_common *common = ath5k_hw_common(ah);
 	u64 tsf, bc_tstamp;
 	u32 hw_tu;
 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
@@ -1188,11 +1179,11 @@ ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb,
 		 * have updated the local TSF. We have to work around various
 		 * hardware bugs, though...
 		 */
-		tsf = ath5k_hw_get_tsf64(sc->ah);
+		tsf = ath5k_hw_get_tsf64(ah);
 		bc_tstamp = le64_to_cpu(mgmt->u.beacon.timestamp);
 		hw_tu = TSF_TO_TU(tsf);
 
-		ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
+		ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON,
 			"beacon %llx mactime %llx (diff %lld) tsf now %llx\n",
 			(unsigned long long)bc_tstamp,
 			(unsigned long long)rxs->mactime,
@@ -1211,7 +1202,7 @@ ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb,
 		 * received, not like mac80211 which defines it at the start.
 		 */
 		if (bc_tstamp > rxs->mactime) {
-			ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
+			ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON,
 				"fixing mactime from %llx to %llx\n",
 				(unsigned long long)rxs->mactime,
 				(unsigned long long)tsf);
@@ -1224,25 +1215,24 @@ ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb,
 		 * beacons. This also takes care of synchronizing beacon sending
 		 * times with other stations.
 		 */
-		if (hw_tu >= sc->nexttbtt)
-			ath5k_beacon_update_timers(sc, bc_tstamp);
+		if (hw_tu >= ah->nexttbtt)
+			ath5k_beacon_update_timers(ah, bc_tstamp);
 
 		/* Check if the beacon timers are still correct, because a TSF
 		 * update might have created a window between them - for a
 		 * longer description see the comment of this function: */
-		if (!ath5k_hw_check_beacon_timers(sc->ah, sc->bintval)) {
-			ath5k_beacon_update_timers(sc, bc_tstamp);
-			ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
+		if (!ath5k_hw_check_beacon_timers(ah, ah->bintval)) {
+			ath5k_beacon_update_timers(ah, bc_tstamp);
+			ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON,
 				"fixed beacon timers after beacon receive\n");
 		}
 	}
 }
 
 static void
-ath5k_update_beacon_rssi(struct ath5k_softc *sc, struct sk_buff *skb, int rssi)
+ath5k_update_beacon_rssi(struct ath5k_hw *ah, struct sk_buff *skb, int rssi)
 {
 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
-	struct ath5k_hw *ah = sc->ah;
 	struct ath_common *common = ath5k_hw_common(ah);
 
 	/* only beacons from our BSSID */
@@ -1324,7 +1314,7 @@ static int ath5k_remove_padding(struct sk_buff *skb)
 }
 
 static void
-ath5k_receive_frame(struct ath5k_softc *sc, struct sk_buff *skb,
+ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb,
 		    struct ath5k_rx_status *rs)
 {
 	struct ieee80211_rx_status *rxs;
@@ -1357,37 +1347,37 @@ ath5k_receive_frame(struct ath5k_softc *sc, struct sk_buff *skb,
 	 * impossible to comply to that. This affects IBSS merge only
 	 * right now, so it's not too bad...
 	 */
-	rxs->mactime = ath5k_extend_tsf(sc->ah, rs->rs_tstamp);
+	rxs->mactime = ath5k_extend_tsf(ah, rs->rs_tstamp);
 	rxs->flag |= RX_FLAG_MACTIME_MPDU;
 
-	rxs->freq = sc->curchan->center_freq;
-	rxs->band = sc->curchan->band;
+	rxs->freq = ah->curchan->center_freq;
+	rxs->band = ah->curchan->band;
 
-	rxs->signal = sc->ah->ah_noise_floor + rs->rs_rssi;
+	rxs->signal = ah->ah_noise_floor + rs->rs_rssi;
 
 	rxs->antenna = rs->rs_antenna;
 
 	if (rs->rs_antenna > 0 && rs->rs_antenna < 5)
-		sc->stats.antenna_rx[rs->rs_antenna]++;
+		ah->stats.antenna_rx[rs->rs_antenna]++;
 	else
-		sc->stats.antenna_rx[0]++; /* invalid */
+		ah->stats.antenna_rx[0]++; /* invalid */
 
-	rxs->rate_idx = ath5k_hw_to_driver_rix(sc, rs->rs_rate);
-	rxs->flag |= ath5k_rx_decrypted(sc, skb, rs);
+	rxs->rate_idx = ath5k_hw_to_driver_rix(ah, rs->rs_rate);
+	rxs->flag |= ath5k_rx_decrypted(ah, skb, rs);
 
 	if (rxs->rate_idx >= 0 && rs->rs_rate ==
-	    sc->sbands[sc->curchan->band].bitrates[rxs->rate_idx].hw_value_short)
+	    ah->sbands[ah->curchan->band].bitrates[rxs->rate_idx].hw_value_short)
 		rxs->flag |= RX_FLAG_SHORTPRE;
 
-	trace_ath5k_rx(sc, skb);
+	trace_ath5k_rx(ah, skb);
 
-	ath5k_update_beacon_rssi(sc, skb, rs->rs_rssi);
+	ath5k_update_beacon_rssi(ah, skb, rs->rs_rssi);
 
 	/* check beacons in IBSS mode */
-	if (sc->opmode == NL80211_IFTYPE_ADHOC)
-		ath5k_check_ibss_tsf(sc, skb, rxs);
+	if (ah->opmode == NL80211_IFTYPE_ADHOC)
+		ath5k_check_ibss_tsf(ah, skb, rxs);
 
-	ieee80211_rx(sc->hw, skb);
+	ieee80211_rx(ah->hw, skb);
 }
 
 /** ath5k_frame_receive_ok() - Do we want to receive this frame or not?
@@ -1396,20 +1386,20 @@ ath5k_receive_frame(struct ath5k_softc *sc, struct sk_buff *skb,
  * statistics. Return true if we want this frame, false if not.
  */
 static bool
-ath5k_receive_frame_ok(struct ath5k_softc *sc, struct ath5k_rx_status *rs)
+ath5k_receive_frame_ok(struct ath5k_hw *ah, struct ath5k_rx_status *rs)
 {
-	sc->stats.rx_all_count++;
-	sc->stats.rx_bytes_count += rs->rs_datalen;
+	ah->stats.rx_all_count++;
+	ah->stats.rx_bytes_count += rs->rs_datalen;
 
 	if (unlikely(rs->rs_status)) {
 		if (rs->rs_status & AR5K_RXERR_CRC)
-			sc->stats.rxerr_crc++;
+			ah->stats.rxerr_crc++;
 		if (rs->rs_status & AR5K_RXERR_FIFO)
-			sc->stats.rxerr_fifo++;
+			ah->stats.rxerr_fifo++;
 		if (rs->rs_status & AR5K_RXERR_PHY) {
-			sc->stats.rxerr_phy++;
+			ah->stats.rxerr_phy++;
 			if (rs->rs_phyerr > 0 && rs->rs_phyerr < 32)
-				sc->stats.rxerr_phy_code[rs->rs_phyerr]++;
+				ah->stats.rxerr_phy_code[rs->rs_phyerr]++;
 			return false;
 		}
 		if (rs->rs_status & AR5K_RXERR_DECRYPT) {
@@ -1423,13 +1413,13 @@ ath5k_receive_frame_ok(struct ath5k_softc *sc, struct ath5k_rx_status *rs)
 			 *
 			 * XXX do key cache faulting
 			 */
-			sc->stats.rxerr_decrypt++;
+			ah->stats.rxerr_decrypt++;
 			if (rs->rs_keyix == AR5K_RXKEYIX_INVALID &&
 			    !(rs->rs_status & AR5K_RXERR_CRC))
 				return true;
 		}
 		if (rs->rs_status & AR5K_RXERR_MIC) {
-			sc->stats.rxerr_mic++;
+			ah->stats.rxerr_mic++;
 			return true;
 		}
 
@@ -1439,26 +1429,26 @@ ath5k_receive_frame_ok(struct ath5k_softc *sc, struct ath5k_rx_status *rs)
 	}
 
 	if (unlikely(rs->rs_more)) {
-		sc->stats.rxerr_jumbo++;
+		ah->stats.rxerr_jumbo++;
 		return false;
 	}
 	return true;
 }
 
 static void
-ath5k_set_current_imask(struct ath5k_softc *sc)
+ath5k_set_current_imask(struct ath5k_hw *ah)
 {
 	enum ath5k_int imask;
 	unsigned long flags;
 
-	spin_lock_irqsave(&sc->irqlock, flags);
-	imask = sc->imask;
-	if (sc->rx_pending)
+	spin_lock_irqsave(&ah->irqlock, flags);
+	imask = ah->imask;
+	if (ah->rx_pending)
 		imask &= ~AR5K_INT_RX_ALL;
-	if (sc->tx_pending)
+	if (ah->tx_pending)
 		imask &= ~AR5K_INT_TX_ALL;
-	ath5k_hw_set_imr(sc->ah, imask);
-	spin_unlock_irqrestore(&sc->irqlock, flags);
+	ath5k_hw_set_imr(ah, imask);
+	spin_unlock_irqrestore(&ah->irqlock, flags);
 }
 
 static void
@@ -1467,39 +1457,38 @@ ath5k_tasklet_rx(unsigned long data)
 	struct ath5k_rx_status rs = {};
 	struct sk_buff *skb, *next_skb;
 	dma_addr_t next_skb_addr;
-	struct ath5k_softc *sc = (void *)data;
-	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_hw *ah = (void *)data;
 	struct ath_common *common = ath5k_hw_common(ah);
 	struct ath5k_buf *bf;
 	struct ath5k_desc *ds;
 	int ret;
 
-	spin_lock(&sc->rxbuflock);
-	if (list_empty(&sc->rxbuf)) {
-		ATH5K_WARN(sc, "empty rx buf pool\n");
+	spin_lock(&ah->rxbuflock);
+	if (list_empty(&ah->rxbuf)) {
+		ATH5K_WARN(ah, "empty rx buf pool\n");
 		goto unlock;
 	}
 	do {
-		bf = list_first_entry(&sc->rxbuf, struct ath5k_buf, list);
+		bf = list_first_entry(&ah->rxbuf, struct ath5k_buf, list);
 		BUG_ON(bf->skb == NULL);
 		skb = bf->skb;
 		ds = bf->desc;
 
 		/* bail if HW is still using self-linked descriptor */
-		if (ath5k_hw_get_rxdp(sc->ah) == bf->daddr)
+		if (ath5k_hw_get_rxdp(ah) == bf->daddr)
 			break;
 
-		ret = sc->ah->ah_proc_rx_desc(sc->ah, ds, &rs);
+		ret = ah->ah_proc_rx_desc(ah, ds, &rs);
 		if (unlikely(ret == -EINPROGRESS))
 			break;
 		else if (unlikely(ret)) {
-			ATH5K_ERR(sc, "error in processing rx descriptor\n");
-			sc->stats.rxerr_proc++;
+			ATH5K_ERR(ah, "error in processing rx descriptor\n");
+			ah->stats.rxerr_proc++;
 			break;
 		}
 
-		if (ath5k_receive_frame_ok(sc, &rs)) {
-			next_skb = ath5k_rx_skb_alloc(sc, &next_skb_addr);
+		if (ath5k_receive_frame_ok(ah, &rs)) {
+			next_skb = ath5k_rx_skb_alloc(ah, &next_skb_addr);
 
 			/*
 			 * If we can't replace bf->skb with a new skb under
@@ -1508,24 +1497,24 @@ ath5k_tasklet_rx(unsigned long data)
 			if (!next_skb)
 				goto next;
 
-			dma_unmap_single(sc->dev, bf->skbaddr,
+			dma_unmap_single(ah->dev, bf->skbaddr,
 					 common->rx_bufsize,
 					 DMA_FROM_DEVICE);
 
 			skb_put(skb, rs.rs_datalen);
 
-			ath5k_receive_frame(sc, skb, &rs);
+			ath5k_receive_frame(ah, skb, &rs);
 
 			bf->skb = next_skb;
 			bf->skbaddr = next_skb_addr;
 		}
 next:
-		list_move_tail(&bf->list, &sc->rxbuf);
-	} while (ath5k_rxbuf_setup(sc, bf) == 0);
+		list_move_tail(&bf->list, &ah->rxbuf);
+	} while (ath5k_rxbuf_setup(ah, bf) == 0);
 unlock:
-	spin_unlock(&sc->rxbuflock);
-	sc->rx_pending = false;
-	ath5k_set_current_imask(sc);
+	spin_unlock(&ah->rxbuflock);
+	ah->rx_pending = false;
+	ath5k_set_current_imask(ah);
 }
 
 
@@ -1537,12 +1526,12 @@ void
 ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
 	       struct ath5k_txq *txq)
 {
-	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = hw->priv;
 	struct ath5k_buf *bf;
 	unsigned long flags;
 	int padsize;
 
-	trace_ath5k_tx(sc, skb, txq);
+	trace_ath5k_tx(ah, skb, txq);
 
 	/*
 	 * The hardware expects the header padded to 4 byte boundaries.
@@ -1550,7 +1539,7 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
 	 */
 	padsize = ath5k_add_padding(skb);
 	if (padsize < 0) {
-		ATH5K_ERR(sc, "tx hdrlen not %%4: not enough"
+		ATH5K_ERR(ah, "tx hdrlen not %%4: not enough"
 			  " headroom to pad");
 		goto drop_packet;
 	}
@@ -1559,28 +1548,28 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
 	    txq->qnum <= AR5K_TX_QUEUE_ID_DATA_MAX)
 		ieee80211_stop_queue(hw, txq->qnum);
 
-	spin_lock_irqsave(&sc->txbuflock, flags);
-	if (list_empty(&sc->txbuf)) {
-		ATH5K_ERR(sc, "no further txbuf available, dropping packet\n");
-		spin_unlock_irqrestore(&sc->txbuflock, flags);
+	spin_lock_irqsave(&ah->txbuflock, flags);
+	if (list_empty(&ah->txbuf)) {
+		ATH5K_ERR(ah, "no further txbuf available, dropping packet\n");
+		spin_unlock_irqrestore(&ah->txbuflock, flags);
 		ieee80211_stop_queues(hw);
 		goto drop_packet;
 	}
-	bf = list_first_entry(&sc->txbuf, struct ath5k_buf, list);
+	bf = list_first_entry(&ah->txbuf, struct ath5k_buf, list);
 	list_del(&bf->list);
-	sc->txbuf_len--;
-	if (list_empty(&sc->txbuf))
+	ah->txbuf_len--;
+	if (list_empty(&ah->txbuf))
 		ieee80211_stop_queues(hw);
-	spin_unlock_irqrestore(&sc->txbuflock, flags);
+	spin_unlock_irqrestore(&ah->txbuflock, flags);
 
 	bf->skb = skb;
 
-	if (ath5k_txbuf_setup(sc, bf, txq, padsize)) {
+	if (ath5k_txbuf_setup(ah, bf, txq, padsize)) {
 		bf->skb = NULL;
-		spin_lock_irqsave(&sc->txbuflock, flags);
-		list_add_tail(&bf->list, &sc->txbuf);
-		sc->txbuf_len++;
-		spin_unlock_irqrestore(&sc->txbuflock, flags);
+		spin_lock_irqsave(&ah->txbuflock, flags);
+		list_add_tail(&bf->list, &ah->txbuf);
+		ah->txbuf_len++;
+		spin_unlock_irqrestore(&ah->txbuflock, flags);
 		goto drop_packet;
 	}
 	return;
@@ -1590,15 +1579,15 @@ drop_packet:
 }
 
 static void
-ath5k_tx_frame_completed(struct ath5k_softc *sc, struct sk_buff *skb,
+ath5k_tx_frame_completed(struct ath5k_hw *ah, struct sk_buff *skb,
 			 struct ath5k_txq *txq, struct ath5k_tx_status *ts)
 {
 	struct ieee80211_tx_info *info;
 	u8 tries[3];
 	int i;
 
-	sc->stats.tx_all_count++;
-	sc->stats.tx_bytes_count += skb->len;
+	ah->stats.tx_all_count++;
+	ah->stats.tx_bytes_count += skb->len;
 	info = IEEE80211_SKB_CB(skb);
 
 	tries[0] = info->status.rates[0].count;
@@ -1618,15 +1607,15 @@ ath5k_tx_frame_completed(struct ath5k_softc *sc, struct sk_buff *skb,
 	info->status.rates[ts->ts_final_idx + 1].idx = -1;
 
 	if (unlikely(ts->ts_status)) {
-		sc->stats.ack_fail++;
+		ah->stats.ack_fail++;
 		if (ts->ts_status & AR5K_TXERR_FILT) {
 			info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
-			sc->stats.txerr_filt++;
+			ah->stats.txerr_filt++;
 		}
 		if (ts->ts_status & AR5K_TXERR_XRETRY)
-			sc->stats.txerr_retry++;
+			ah->stats.txerr_retry++;
 		if (ts->ts_status & AR5K_TXERR_FIFO)
-			sc->stats.txerr_fifo++;
+			ah->stats.txerr_fifo++;
 	} else {
 		info->flags |= IEEE80211_TX_STAT_ACK;
 		info->status.ack_signal = ts->ts_rssi;
@@ -1642,16 +1631,16 @@ ath5k_tx_frame_completed(struct ath5k_softc *sc, struct sk_buff *skb,
 	ath5k_remove_padding(skb);
 
 	if (ts->ts_antenna > 0 && ts->ts_antenna < 5)
-		sc->stats.antenna_tx[ts->ts_antenna]++;
+		ah->stats.antenna_tx[ts->ts_antenna]++;
 	else
-		sc->stats.antenna_tx[0]++; /* invalid */
+		ah->stats.antenna_tx[0]++; /* invalid */
 
-	trace_ath5k_tx_complete(sc, skb, txq, ts);
-	ieee80211_tx_status(sc->hw, skb);
+	trace_ath5k_tx_complete(ah, skb, txq, ts);
+	ieee80211_tx_status(ah->hw, skb);
 }
 
 static void
-ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
+ath5k_tx_processq(struct ath5k_hw *ah, struct ath5k_txq *txq)
 {
 	struct ath5k_tx_status ts = {};
 	struct ath5k_buf *bf, *bf0;
@@ -1668,11 +1657,11 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
 		if (bf->skb != NULL) {
 			ds = bf->desc;
 
-			ret = sc->ah->ah_proc_tx_desc(sc->ah, ds, &ts);
+			ret = ah->ah_proc_tx_desc(ah, ds, &ts);
 			if (unlikely(ret == -EINPROGRESS))
 				break;
 			else if (unlikely(ret)) {
-				ATH5K_ERR(sc,
+				ATH5K_ERR(ah,
 					"error %d while processing "
 					"queue %u\n", ret, txq->qnum);
 				break;
@@ -1681,9 +1670,9 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
 			skb = bf->skb;
 			bf->skb = NULL;
 
-			dma_unmap_single(sc->dev, bf->skbaddr, skb->len,
+			dma_unmap_single(ah->dev, bf->skbaddr, skb->len,
 					DMA_TO_DEVICE);
-			ath5k_tx_frame_completed(sc, skb, txq, &ts);
+			ath5k_tx_frame_completed(ah, skb, txq, &ts);
 		}
 
 		/*
@@ -1692,31 +1681,31 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
 		 * host memory and moved on.
 		 * Always keep the last descriptor to avoid HW races...
 		 */
-		if (ath5k_hw_get_txdp(sc->ah, txq->qnum) != bf->daddr) {
-			spin_lock(&sc->txbuflock);
-			list_move_tail(&bf->list, &sc->txbuf);
-			sc->txbuf_len++;
+		if (ath5k_hw_get_txdp(ah, txq->qnum) != bf->daddr) {
+			spin_lock(&ah->txbuflock);
+			list_move_tail(&bf->list, &ah->txbuf);
+			ah->txbuf_len++;
 			txq->txq_len--;
-			spin_unlock(&sc->txbuflock);
+			spin_unlock(&ah->txbuflock);
 		}
 	}
 	spin_unlock(&txq->lock);
 	if (txq->txq_len < ATH5K_TXQ_LEN_LOW && txq->qnum < 4)
-		ieee80211_wake_queue(sc->hw, txq->qnum);
+		ieee80211_wake_queue(ah->hw, txq->qnum);
 }
 
 static void
 ath5k_tasklet_tx(unsigned long data)
 {
 	int i;
-	struct ath5k_softc *sc = (void *)data;
+	struct ath5k_hw *ah = (void *)data;
 
 	for (i = 0; i < AR5K_NUM_TX_QUEUES; i++)
-		if (sc->txqs[i].setup && (sc->ah->ah_txq_isr & BIT(i)))
-			ath5k_tx_processq(sc, &sc->txqs[i]);
+		if (ah->txqs[i].setup && (ah->ah_txq_isr & BIT(i)))
+			ath5k_tx_processq(ah, &ah->txqs[i]);
 
-	sc->tx_pending = false;
-	ath5k_set_current_imask(sc);
+	ah->tx_pending = false;
+	ath5k_set_current_imask(ah);
 }
 
 
@@ -1728,25 +1717,24 @@ ath5k_tasklet_tx(unsigned long data)
  * Setup the beacon frame for transmit.
  */
 static int
-ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
+ath5k_beacon_setup(struct ath5k_hw *ah, struct ath5k_buf *bf)
 {
 	struct sk_buff *skb = bf->skb;
 	struct	ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-	struct ath5k_hw *ah = sc->ah;
 	struct ath5k_desc *ds;
 	int ret = 0;
 	u8 antenna;
 	u32 flags;
 	const int padsize = 0;
 
-	bf->skbaddr = dma_map_single(sc->dev, skb->data, skb->len,
+	bf->skbaddr = dma_map_single(ah->dev, skb->data, skb->len,
 			DMA_TO_DEVICE);
-	ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "skb %p [data %p len %u] "
+	ATH5K_DBG(ah, ATH5K_DEBUG_BEACON, "skb %p [data %p len %u] "
 			"skbaddr %llx\n", skb, skb->data, skb->len,
 			(unsigned long long)bf->skbaddr);
 
-	if (dma_mapping_error(sc->dev, bf->skbaddr)) {
-		ATH5K_ERR(sc, "beacon DMA mapping failed\n");
+	if (dma_mapping_error(ah->dev, bf->skbaddr)) {
+		ATH5K_ERR(ah, "beacon DMA mapping failed\n");
 		return -EIO;
 	}
 
@@ -1754,7 +1742,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
 	antenna = ah->ah_tx_ant;
 
 	flags = AR5K_TXDESC_NOACK;
-	if (sc->opmode == NL80211_IFTYPE_ADHOC && ath5k_hw_hasveol(ah)) {
+	if (ah->opmode == NL80211_IFTYPE_ADHOC && ath5k_hw_hasveol(ah)) {
 		ds->ds_link = bf->daddr;	/* self-linked */
 		flags |= AR5K_TXDESC_VEOL;
 	} else
@@ -1779,7 +1767,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
 	 * on all of them.
 	 */
 	if (ah->ah_ant_mode == AR5K_ANTMODE_SECTOR_AP)
-		antenna = sc->bsent & 4 ? 2 : 1;
+		antenna = ah->bsent & 4 ? 2 : 1;
 
 
 	/* FIXME: If we are in g mode and rate is a CCK rate
@@ -1788,8 +1776,8 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
 	ds->ds_data = bf->skbaddr;
 	ret = ah->ah_setup_tx_desc(ah, ds, skb->len,
 			ieee80211_get_hdrlen_from_skb(skb), padsize,
-			AR5K_PKT_TYPE_BEACON, (sc->power_level * 2),
-			ieee80211_get_tx_rate(sc->hw, info)->hw_value,
+			AR5K_PKT_TYPE_BEACON, (ah->power_level * 2),
+			ieee80211_get_tx_rate(ah->hw, info)->hw_value,
 			1, AR5K_TXKEYIX_INVALID,
 			antenna, flags, 0, 0);
 	if (ret)
@@ -1797,7 +1785,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
 
 	return 0;
 err_unmap:
-	dma_unmap_single(sc->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE);
+	dma_unmap_single(ah->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE);
 	return ret;
 }
 
@@ -1812,7 +1800,7 @@ int
 ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
 	int ret;
-	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = hw->priv;
 	struct ath5k_vif *avf = (void *)vif->drv_priv;
 	struct sk_buff *skb;
 
@@ -1828,9 +1816,9 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 		goto out;
 	}
 
-	ath5k_txbuf_free_skb(sc, avf->bbuf);
+	ath5k_txbuf_free_skb(ah, avf->bbuf);
 	avf->bbuf->skb = skb;
-	ret = ath5k_beacon_setup(sc, avf->bbuf);
+	ret = ath5k_beacon_setup(ah, avf->bbuf);
 	if (ret)
 		avf->bbuf->skb = NULL;
 out:
@@ -1846,15 +1834,14 @@ out:
  * or user context from ath5k_beacon_config.
  */
 static void
-ath5k_beacon_send(struct ath5k_softc *sc)
+ath5k_beacon_send(struct ath5k_hw *ah)
 {
-	struct ath5k_hw *ah = sc->ah;
 	struct ieee80211_vif *vif;
 	struct ath5k_vif *avf;
 	struct ath5k_buf *bf;
 	struct sk_buff *skb;
 
-	ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, "in beacon_send\n");
+	ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON, "in beacon_send\n");
 
 	/*
 	 * Check if the previous beacon has gone out.  If
@@ -1863,47 +1850,47 @@ ath5k_beacon_send(struct ath5k_softc *sc)
 	 * indicate a problem and should not occur.  If we
 	 * miss too many consecutive beacons reset the device.
 	 */
-	if (unlikely(ath5k_hw_num_tx_pending(ah, sc->bhalq) != 0)) {
-		sc->bmisscount++;
-		ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
-			"missed %u consecutive beacons\n", sc->bmisscount);
-		if (sc->bmisscount > 10) {	/* NB: 10 is a guess */
-			ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
+	if (unlikely(ath5k_hw_num_tx_pending(ah, ah->bhalq) != 0)) {
+		ah->bmisscount++;
+		ATH5K_DBG(ah, ATH5K_DEBUG_BEACON,
+			"missed %u consecutive beacons\n", ah->bmisscount);
+		if (ah->bmisscount > 10) {	/* NB: 10 is a guess */
+			ATH5K_DBG(ah, ATH5K_DEBUG_BEACON,
 				"stuck beacon time (%u missed)\n",
-				sc->bmisscount);
-			ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
+				ah->bmisscount);
+			ATH5K_DBG(ah, ATH5K_DEBUG_RESET,
 				  "stuck beacon, resetting\n");
-			ieee80211_queue_work(sc->hw, &sc->reset_work);
+			ieee80211_queue_work(ah->hw, &ah->reset_work);
 		}
 		return;
 	}
-	if (unlikely(sc->bmisscount != 0)) {
-		ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
+	if (unlikely(ah->bmisscount != 0)) {
+		ATH5K_DBG(ah, ATH5K_DEBUG_BEACON,
 			"resume beacon xmit after %u misses\n",
-			sc->bmisscount);
-		sc->bmisscount = 0;
+			ah->bmisscount);
+		ah->bmisscount = 0;
 	}
 
-	if ((sc->opmode == NL80211_IFTYPE_AP && sc->num_ap_vifs > 1) ||
-			sc->opmode == NL80211_IFTYPE_MESH_POINT) {
+	if ((ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs > 1) ||
+			ah->opmode == NL80211_IFTYPE_MESH_POINT) {
 		u64 tsf = ath5k_hw_get_tsf64(ah);
 		u32 tsftu = TSF_TO_TU(tsf);
-		int slot = ((tsftu % sc->bintval) * ATH_BCBUF) / sc->bintval;
-		vif = sc->bslot[(slot + 1) % ATH_BCBUF];
-		ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
+		int slot = ((tsftu % ah->bintval) * ATH_BCBUF) / ah->bintval;
+		vif = ah->bslot[(slot + 1) % ATH_BCBUF];
+		ATH5K_DBG(ah, ATH5K_DEBUG_BEACON,
 			"tsf %llx tsftu %x intval %u slot %u vif %p\n",
-			(unsigned long long)tsf, tsftu, sc->bintval, slot, vif);
+			(unsigned long long)tsf, tsftu, ah->bintval, slot, vif);
 	} else /* only one interface */
-		vif = sc->bslot[0];
+		vif = ah->bslot[0];
 
 	if (!vif)
 		return;
 
 	avf = (void *)vif->drv_priv;
 	bf = avf->bbuf;
-	if (unlikely(bf->skb == NULL || sc->opmode == NL80211_IFTYPE_STATION ||
-		     sc->opmode == NL80211_IFTYPE_MONITOR)) {
-		ATH5K_WARN(sc, "bf=%p bf_skb=%p\n", bf, bf ? bf->skb : NULL);
+	if (unlikely(bf->skb == NULL || ah->opmode == NL80211_IFTYPE_STATION ||
+		     ah->opmode == NL80211_IFTYPE_MONITOR)) {
+		ATH5K_WARN(ah, "bf=%p bf_skb=%p\n", bf, bf ? bf->skb : NULL);
 		return;
 	}
 
@@ -1912,40 +1899,40 @@ ath5k_beacon_send(struct ath5k_softc *sc)
 	 * This should never fail since we check above that no frames
 	 * are still pending on the queue.
 	 */
-	if (unlikely(ath5k_hw_stop_beacon_queue(ah, sc->bhalq))) {
-		ATH5K_WARN(sc, "beacon queue %u didn't start/stop ?\n", sc->bhalq);
+	if (unlikely(ath5k_hw_stop_beacon_queue(ah, ah->bhalq))) {
+		ATH5K_WARN(ah, "beacon queue %u didn't start/stop ?\n", ah->bhalq);
 		/* NB: hw still stops DMA, so proceed */
 	}
 
 	/* refresh the beacon for AP or MESH mode */
-	if (sc->opmode == NL80211_IFTYPE_AP ||
-	    sc->opmode == NL80211_IFTYPE_MESH_POINT)
-		ath5k_beacon_update(sc->hw, vif);
+	if (ah->opmode == NL80211_IFTYPE_AP ||
+	    ah->opmode == NL80211_IFTYPE_MESH_POINT)
+		ath5k_beacon_update(ah->hw, vif);
 
-	trace_ath5k_tx(sc, bf->skb, &sc->txqs[sc->bhalq]);
+	trace_ath5k_tx(ah, bf->skb, &ah->txqs[ah->bhalq]);
 
-	ath5k_hw_set_txdp(ah, sc->bhalq, bf->daddr);
-	ath5k_hw_start_tx_dma(ah, sc->bhalq);
-	ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "TXDP[%u] = %llx (%p)\n",
-		sc->bhalq, (unsigned long long)bf->daddr, bf->desc);
+	ath5k_hw_set_txdp(ah, ah->bhalq, bf->daddr);
+	ath5k_hw_start_tx_dma(ah, ah->bhalq);
+	ATH5K_DBG(ah, ATH5K_DEBUG_BEACON, "TXDP[%u] = %llx (%p)\n",
+		ah->bhalq, (unsigned long long)bf->daddr, bf->desc);
 
-	skb = ieee80211_get_buffered_bc(sc->hw, vif);
+	skb = ieee80211_get_buffered_bc(ah->hw, vif);
 	while (skb) {
-		ath5k_tx_queue(sc->hw, skb, sc->cabq);
+		ath5k_tx_queue(ah->hw, skb, ah->cabq);
 
-		if (sc->cabq->txq_len >= sc->cabq->txq_max)
+		if (ah->cabq->txq_len >= ah->cabq->txq_max)
 			break;
 
-		skb = ieee80211_get_buffered_bc(sc->hw, vif);
+		skb = ieee80211_get_buffered_bc(ah->hw, vif);
 	}
 
-	sc->bsent++;
+	ah->bsent++;
 }
 
 /**
  * ath5k_beacon_update_timers - update beacon timers
  *
- * @sc: struct ath5k_softc pointer we are operating on
+ * @ah: struct ath5k_hw pointer we are operating on
  * @bc_tsf: the timestamp of the beacon. 0 to reset the TSF. -1 to perform a
  *          beacon timer update based on the current HW TSF.
  *
@@ -1959,17 +1946,16 @@ ath5k_beacon_send(struct ath5k_softc *sc)
  * function to have it all together in one place.
  */
 void
-ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
+ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf)
 {
-	struct ath5k_hw *ah = sc->ah;
 	u32 nexttbtt, intval, hw_tu, bc_tu;
 	u64 hw_tsf;
 
-	intval = sc->bintval & AR5K_BEACON_PERIOD;
-	if (sc->opmode == NL80211_IFTYPE_AP && sc->num_ap_vifs > 1) {
+	intval = ah->bintval & AR5K_BEACON_PERIOD;
+	if (ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs > 1) {
 		intval /= ATH_BCBUF;	/* staggered multi-bss beacons */
 		if (intval < 15)
-			ATH5K_WARN(sc, "intval %u is too low, min 15\n",
+			ATH5K_WARN(ah, "intval %u is too low, min 15\n",
 				   intval);
 	}
 	if (WARN_ON(!intval))
@@ -2008,7 +1994,7 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
 		 * automatically update the TSF and then we need to reconfigure
 		 * the timers.
 		 */
-		ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
+		ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON,
 			"need to wait for HW TSF sync\n");
 		return;
 	} else {
@@ -2023,7 +2009,7 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
 	}
 #undef FUDGE
 
-	sc->nexttbtt = nexttbtt;
+	ah->nexttbtt = nexttbtt;
 
 	intval |= AR5K_BEACON_ENA;
 	ath5k_hw_init_beacon(ah, nexttbtt, intval);
@@ -2033,20 +2019,20 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
 	 * of this function
 	 */
 	if (bc_tsf == -1)
-		ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
+		ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON,
 			"reconfigured timers based on HW TSF\n");
 	else if (bc_tsf == 0)
-		ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
+		ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON,
 			"reset HW TSF and timers\n");
 	else
-		ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
+		ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON,
 			"updated timers based on beacon TSF\n");
 
-	ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
+	ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON,
 			  "bc_tsf %llx hw_tsf %llx bc_tu %u hw_tu %u nexttbtt %u\n",
 			  (unsigned long long) bc_tsf,
 			  (unsigned long long) hw_tsf, bc_tu, hw_tu, nexttbtt);
-	ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, "intval %u %s %s\n",
+	ATH5K_DBG_UNLIMIT(ah, ATH5K_DEBUG_BEACON, "intval %u %s %s\n",
 		intval & AR5K_BEACON_PERIOD,
 		intval & AR5K_BEACON_ENA ? "AR5K_BEACON_ENA" : "",
 		intval & AR5K_BEACON_RESET_TSF ? "AR5K_BEACON_RESET_TSF" : "");
@@ -2055,22 +2041,21 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
 /**
  * ath5k_beacon_config - Configure the beacon queues and interrupts
  *
- * @sc: struct ath5k_softc pointer we are operating on
+ * @ah: struct ath5k_hw pointer we are operating on
  *
  * In IBSS mode we use a self-linked tx descriptor if possible. We enable SWBA
  * interrupts to detect TSF updates only.
  */
 void
-ath5k_beacon_config(struct ath5k_softc *sc)
+ath5k_beacon_config(struct ath5k_hw *ah)
 {
-	struct ath5k_hw *ah = sc->ah;
 	unsigned long flags;
 
-	spin_lock_irqsave(&sc->block, flags);
-	sc->bmisscount = 0;
-	sc->imask &= ~(AR5K_INT_BMISS | AR5K_INT_SWBA);
+	spin_lock_irqsave(&ah->block, flags);
+	ah->bmisscount = 0;
+	ah->imask &= ~(AR5K_INT_BMISS | AR5K_INT_SWBA);
 
-	if (sc->enable_beacon) {
+	if (ah->enable_beacon) {
 		/*
 		 * In IBSS mode we use a self-linked tx descriptor and let the
 		 * hardware send the beacons automatically. We have to load it
@@ -2078,27 +2063,27 @@ ath5k_beacon_config(struct ath5k_softc *sc)
 		 * We use the SWBA interrupt only to keep track of the beacon
 		 * timers in order to detect automatic TSF updates.
 		 */
-		ath5k_beaconq_config(sc);
+		ath5k_beaconq_config(ah);
 
-		sc->imask |= AR5K_INT_SWBA;
+		ah->imask |= AR5K_INT_SWBA;
 
-		if (sc->opmode == NL80211_IFTYPE_ADHOC) {
+		if (ah->opmode == NL80211_IFTYPE_ADHOC) {
 			if (ath5k_hw_hasveol(ah))
-				ath5k_beacon_send(sc);
+				ath5k_beacon_send(ah);
 		} else
-			ath5k_beacon_update_timers(sc, -1);
+			ath5k_beacon_update_timers(ah, -1);
 	} else {
-		ath5k_hw_stop_beacon_queue(sc->ah, sc->bhalq);
+		ath5k_hw_stop_beacon_queue(ah, ah->bhalq);
 	}
 
-	ath5k_hw_set_imr(ah, sc->imask);
+	ath5k_hw_set_imr(ah, ah->imask);
 	mmiowb();
-	spin_unlock_irqrestore(&sc->block, flags);
+	spin_unlock_irqrestore(&ah->block, flags);
 }
 
 static void ath5k_tasklet_beacon(unsigned long data)
 {
-	struct ath5k_softc *sc = (struct ath5k_softc *) data;
+	struct ath5k_hw *ah = (struct ath5k_hw *) data;
 
 	/*
 	 * Software beacon alert--time to send a beacon.
@@ -2108,20 +2093,20 @@ static void ath5k_tasklet_beacon(unsigned long data)
 	 * transmission time) in order to detect whether
 	 * automatic TSF updates happened.
 	 */
-	if (sc->opmode == NL80211_IFTYPE_ADHOC) {
+	if (ah->opmode == NL80211_IFTYPE_ADHOC) {
 		/* XXX: only if VEOL supported */
-		u64 tsf = ath5k_hw_get_tsf64(sc->ah);
-		sc->nexttbtt += sc->bintval;
-		ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
+		u64 tsf = ath5k_hw_get_tsf64(ah);
+		ah->nexttbtt += ah->bintval;
+		ATH5K_DBG(ah, ATH5K_DEBUG_BEACON,
 				"SWBA nexttbtt: %x hw_tu: %x "
 				"TSF: %llx\n",
-				sc->nexttbtt,
+				ah->nexttbtt,
 				TSF_TO_TU(tsf),
 				(unsigned long long) tsf);
 	} else {
-		spin_lock(&sc->block);
-		ath5k_beacon_send(sc);
-		spin_unlock(&sc->block);
+		spin_lock(&ah->block);
+		ath5k_beacon_send(ah);
+		spin_unlock(&ah->block);
 	}
 }
 
@@ -2138,12 +2123,12 @@ ath5k_intr_calibration_poll(struct ath5k_hw *ah)
 		/* run ANI only when full calibration is not active */
 		ah->ah_cal_next_ani = jiffies +
 			msecs_to_jiffies(ATH5K_TUNE_CALIBRATION_INTERVAL_ANI);
-		tasklet_schedule(&ah->ah_sc->ani_tasklet);
+		tasklet_schedule(&ah->ani_tasklet);
 
 	} else if (time_is_before_eq_jiffies(ah->ah_cal_next_full)) {
 		ah->ah_cal_next_full = jiffies +
 			msecs_to_jiffies(ATH5K_TUNE_CALIBRATION_INTERVAL_FULL);
-		tasklet_schedule(&ah->ah_sc->calib);
+		tasklet_schedule(&ah->calib);
 	}
 	/* we could use SWI to generate enough interrupts to meet our
 	 * calibration interval requirements, if necessary:
@@ -2151,44 +2136,43 @@ ath5k_intr_calibration_poll(struct ath5k_hw *ah)
 }
 
 static void
-ath5k_schedule_rx(struct ath5k_softc *sc)
+ath5k_schedule_rx(struct ath5k_hw *ah)
 {
-	sc->rx_pending = true;
-	tasklet_schedule(&sc->rxtq);
+	ah->rx_pending = true;
+	tasklet_schedule(&ah->rxtq);
 }
 
 static void
-ath5k_schedule_tx(struct ath5k_softc *sc)
+ath5k_schedule_tx(struct ath5k_hw *ah)
 {
-	sc->tx_pending = true;
-	tasklet_schedule(&sc->txtq);
+	ah->tx_pending = true;
+	tasklet_schedule(&ah->txtq);
 }
 
 static irqreturn_t
 ath5k_intr(int irq, void *dev_id)
 {
-	struct ath5k_softc *sc = dev_id;
-	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_hw *ah = dev_id;
 	enum ath5k_int status;
 	unsigned int counter = 1000;
 
-	if (unlikely(test_bit(ATH_STAT_INVALID, sc->status) ||
+	if (unlikely(test_bit(ATH_STAT_INVALID, ah->status) ||
 		((ath5k_get_bus_type(ah) != ATH_AHB) &&
 				!ath5k_hw_is_intr_pending(ah))))
 		return IRQ_NONE;
 
 	do {
 		ath5k_hw_get_isr(ah, &status);		/* NB: clears IRQ too */
-		ATH5K_DBG(sc, ATH5K_DEBUG_INTR, "status 0x%x/0x%x\n",
-				status, sc->imask);
+		ATH5K_DBG(ah, ATH5K_DEBUG_INTR, "status 0x%x/0x%x\n",
+				status, ah->imask);
 		if (unlikely(status & AR5K_INT_FATAL)) {
 			/*
 			 * Fatal errors are unrecoverable.
 			 * Typically these are caused by DMA errors.
 			 */
-			ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
+			ATH5K_DBG(ah, ATH5K_DEBUG_RESET,
 				  "fatal int, resetting\n");
-			ieee80211_queue_work(sc->hw, &sc->reset_work);
+			ieee80211_queue_work(ah->hw, &ah->reset_work);
 		} else if (unlikely(status & AR5K_INT_RXORN)) {
 			/*
 			 * Receive buffers are full. Either the bus is busy or
@@ -2199,16 +2183,16 @@ ath5k_intr(int irq, void *dev_id)
 			 * We don't know exactly which versions need a reset -
 			 * this guess is copied from the HAL.
 			 */
-			sc->stats.rxorn_intr++;
+			ah->stats.rxorn_intr++;
 			if (ah->ah_mac_srev < AR5K_SREV_AR5212) {
-				ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
+				ATH5K_DBG(ah, ATH5K_DEBUG_RESET,
 					  "rx overrun, resetting\n");
-				ieee80211_queue_work(sc->hw, &sc->reset_work);
+				ieee80211_queue_work(ah->hw, &ah->reset_work);
 			} else
-				ath5k_schedule_rx(sc);
+				ath5k_schedule_rx(ah);
 		} else {
 			if (status & AR5K_INT_SWBA)
-				tasklet_hi_schedule(&sc->beacontq);
+				tasklet_hi_schedule(&ah->beacontq);
 
 			if (status & AR5K_INT_RXEOL) {
 				/*
@@ -2216,27 +2200,27 @@ ath5k_intr(int irq, void *dev_id)
 				*     RXE bit is written, but it doesn't work at
 				*     least on older hardware revs.
 				*/
-				sc->stats.rxeol_intr++;
+				ah->stats.rxeol_intr++;
 			}
 			if (status & AR5K_INT_TXURN) {
 				/* bump tx trigger level */
 				ath5k_hw_update_tx_triglevel(ah, true);
 			}
 			if (status & (AR5K_INT_RXOK | AR5K_INT_RXERR))
-				ath5k_schedule_rx(sc);
+				ath5k_schedule_rx(ah);
 			if (status & (AR5K_INT_TXOK | AR5K_INT_TXDESC
 					| AR5K_INT_TXERR | AR5K_INT_TXEOL))
-				ath5k_schedule_tx(sc);
+				ath5k_schedule_tx(ah);
 			if (status & AR5K_INT_BMISS) {
 				/* TODO */
 			}
 			if (status & AR5K_INT_MIB) {
-				sc->stats.mib_intr++;
+				ah->stats.mib_intr++;
 				ath5k_hw_update_mib_counters(ah);
 				ath5k_ani_mib_intr(ah);
 			}
 			if (status & AR5K_INT_GPIO)
-				tasklet_schedule(&sc->rf_kill.toggleq);
+				tasklet_schedule(&ah->rf_kill.toggleq);
 
 		}
 
@@ -2245,11 +2229,11 @@ ath5k_intr(int irq, void *dev_id)
 
 	} while (ath5k_hw_is_intr_pending(ah) && --counter > 0);
 
-	if (sc->rx_pending || sc->tx_pending)
-		ath5k_set_current_imask(sc);
+	if (ah->rx_pending || ah->tx_pending)
+		ath5k_set_current_imask(ah);
 
 	if (unlikely(!counter))
-		ATH5K_WARN(sc, "too many interrupts, giving up for now\n");
+		ATH5K_WARN(ah, "too many interrupts, giving up for now\n");
 
 	ath5k_intr_calibration_poll(ah);
 
@@ -2263,28 +2247,27 @@ ath5k_intr(int irq, void *dev_id)
 static void
 ath5k_tasklet_calibrate(unsigned long data)
 {
-	struct ath5k_softc *sc = (void *)data;
-	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_hw *ah = (void *)data;
 
 	/* Only full calibration for now */
 	ah->ah_cal_mask |= AR5K_CALIBRATION_FULL;
 
-	ATH5K_DBG(sc, ATH5K_DEBUG_CALIBRATE, "channel %u/%x\n",
-		ieee80211_frequency_to_channel(sc->curchan->center_freq),
-		sc->curchan->hw_value);
+	ATH5K_DBG(ah, ATH5K_DEBUG_CALIBRATE, "channel %u/%x\n",
+		ieee80211_frequency_to_channel(ah->curchan->center_freq),
+		ah->curchan->hw_value);
 
 	if (ath5k_hw_gainf_calibrate(ah) == AR5K_RFGAIN_NEED_CHANGE) {
 		/*
 		 * Rfgain is out of bounds, reset the chip
 		 * to load new gain values.
 		 */
-		ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "calibration, resetting\n");
-		ieee80211_queue_work(sc->hw, &sc->reset_work);
+		ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "calibration, resetting\n");
+		ieee80211_queue_work(ah->hw, &ah->reset_work);
 	}
-	if (ath5k_hw_phy_calibrate(ah, sc->curchan))
-		ATH5K_ERR(sc, "calibration of channel %u failed\n",
+	if (ath5k_hw_phy_calibrate(ah, ah->curchan))
+		ATH5K_ERR(ah, "calibration of channel %u failed\n",
 			ieee80211_frequency_to_channel(
-				sc->curchan->center_freq));
+				ah->curchan->center_freq));
 
 	/* Noise floor calibration interrupts rx/tx path while I/Q calibration
 	 * doesn't.
@@ -2303,8 +2286,7 @@ ath5k_tasklet_calibrate(unsigned long data)
 static void
 ath5k_tasklet_ani(unsigned long data)
 {
-	struct ath5k_softc *sc = (void *)data;
-	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_hw *ah = (void *)data;
 
 	ah->ah_cal_mask |= AR5K_CALIBRATION_ANI;
 	ath5k_ani_calibration(ah);
@@ -2315,21 +2297,21 @@ ath5k_tasklet_ani(unsigned long data)
 static void
 ath5k_tx_complete_poll_work(struct work_struct *work)
 {
-	struct ath5k_softc *sc = container_of(work, struct ath5k_softc,
+	struct ath5k_hw *ah = container_of(work, struct ath5k_hw,
 			tx_complete_work.work);
 	struct ath5k_txq *txq;
 	int i;
 	bool needreset = false;
 
-	mutex_lock(&sc->lock);
+	mutex_lock(&ah->lock);
 
-	for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
-		if (sc->txqs[i].setup) {
-			txq = &sc->txqs[i];
+	for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
+		if (ah->txqs[i].setup) {
+			txq = &ah->txqs[i];
 			spin_lock_bh(&txq->lock);
 			if (txq->txq_len > 1) {
 				if (txq->txq_poll_mark) {
-					ATH5K_DBG(sc, ATH5K_DEBUG_XMIT,
+					ATH5K_DBG(ah, ATH5K_DEBUG_XMIT,
 						  "TX queue stuck %d\n",
 						  txq->qnum);
 					needreset = true;
@@ -2345,14 +2327,14 @@ ath5k_tx_complete_poll_work(struct work_struct *work)
 	}
 
 	if (needreset) {
-		ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
+		ATH5K_DBG(ah, ATH5K_DEBUG_RESET,
 			  "TX queues stuck, resetting\n");
-		ath5k_reset(sc, NULL, true);
+		ath5k_reset(ah, NULL, true);
 	}
 
-	mutex_unlock(&sc->lock);
+	mutex_unlock(&ah->lock);
 
-	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
+	ieee80211_queue_delayed_work(ah->hw, &ah->tx_complete_work,
 		msecs_to_jiffies(ATH5K_TX_COMPLETE_POLL_INT));
 }
 
@@ -2362,15 +2344,15 @@ ath5k_tx_complete_poll_work(struct work_struct *work)
 \*************************/
 
 int __devinit
-ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops)
+ath5k_init_softc(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops)
 {
-	struct ieee80211_hw *hw = sc->hw;
+	struct ieee80211_hw *hw = ah->hw;
 	struct ath_common *common;
 	int ret;
 	int csz;
 
 	/* Initialize driver private data */
-	SET_IEEE80211_DEV(hw, sc->dev);
+	SET_IEEE80211_DEV(hw, ah->dev);
 	hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
 			IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
 			IEEE80211_HW_SIGNAL_DBM |
@@ -2393,39 +2375,29 @@ ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops)
 	 * Mark the device as detached to avoid processing
 	 * interrupts until setup is complete.
 	 */
-	__set_bit(ATH_STAT_INVALID, sc->status);
+	__set_bit(ATH_STAT_INVALID, ah->status);
 
-	sc->opmode = NL80211_IFTYPE_STATION;
-	sc->bintval = 1000;
-	mutex_init(&sc->lock);
-	spin_lock_init(&sc->rxbuflock);
-	spin_lock_init(&sc->txbuflock);
-	spin_lock_init(&sc->block);
-	spin_lock_init(&sc->irqlock);
+	ah->opmode = NL80211_IFTYPE_STATION;
+	ah->bintval = 1000;
+	mutex_init(&ah->lock);
+	spin_lock_init(&ah->rxbuflock);
+	spin_lock_init(&ah->txbuflock);
+	spin_lock_init(&ah->block);
+	spin_lock_init(&ah->irqlock);
 
 	/* Setup interrupt handler */
-	ret = request_irq(sc->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
+	ret = request_irq(ah->irq, ath5k_intr, IRQF_SHARED, "ath", ah);
 	if (ret) {
-		ATH5K_ERR(sc, "request_irq failed\n");
+		ATH5K_ERR(ah, "request_irq failed\n");
 		goto err;
 	}
 
-	/* If we passed the test, malloc an ath5k_hw struct */
-	sc->ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL);
-	if (!sc->ah) {
-		ret = -ENOMEM;
-		ATH5K_ERR(sc, "out of memory\n");
-		goto err_irq;
-	}
-
-	sc->ah->ah_sc = sc;
-	sc->ah->ah_iobase = sc->iobase;
-	common = ath5k_hw_common(sc->ah);
+	common = ath5k_hw_common(ah);
 	common->ops = &ath5k_common_ops;
 	common->bus_ops = bus_ops;
-	common->ah = sc->ah;
+	common->ah = ah;
 	common->hw = hw;
-	common->priv = sc;
+	common->priv = ah;
 	common->clockrate = 40;
 
 	/*
@@ -2438,12 +2410,12 @@ ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops)
 	spin_lock_init(&common->cc_lock);
 
 	/* Initialize device */
-	ret = ath5k_hw_init(sc);
+	ret = ath5k_hw_init(ah);
 	if (ret)
-		goto err_free_ah;
+		goto err_irq;
 
 	/* set up multi-rate retry capabilities */
-	if (sc->ah->ah_version == AR5K_AR5212) {
+	if (ah->ah_version == AR5K_AR5212) {
 		hw->max_rates = 4;
 		hw->max_rate_tries = max(AR5K_INIT_RETRY_SHORT,
 					 AR5K_INIT_RETRY_LONG);
@@ -2456,77 +2428,74 @@ ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops)
 	if (ret)
 		goto err_ah;
 
-	ATH5K_INFO(sc, "Atheros AR%s chip found (MAC: 0x%x, PHY: 0x%x)\n",
-			ath5k_chip_name(AR5K_VERSION_MAC, sc->ah->ah_mac_srev),
-					sc->ah->ah_mac_srev,
-					sc->ah->ah_phy_revision);
+	ATH5K_INFO(ah, "Atheros AR%s chip found (MAC: 0x%x, PHY: 0x%x)\n",
+			ath5k_chip_name(AR5K_VERSION_MAC, ah->ah_mac_srev),
+					ah->ah_mac_srev,
+					ah->ah_phy_revision);
 
-	if (!sc->ah->ah_single_chip) {
+	if (!ah->ah_single_chip) {
 		/* Single chip radio (!RF5111) */
-		if (sc->ah->ah_radio_5ghz_revision &&
-			!sc->ah->ah_radio_2ghz_revision) {
+		if (ah->ah_radio_5ghz_revision &&
+			!ah->ah_radio_2ghz_revision) {
 			/* No 5GHz support -> report 2GHz radio */
 			if (!test_bit(AR5K_MODE_11A,
-				sc->ah->ah_capabilities.cap_mode)) {
-				ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
+				ah->ah_capabilities.cap_mode)) {
+				ATH5K_INFO(ah, "RF%s 2GHz radio found (0x%x)\n",
 					ath5k_chip_name(AR5K_VERSION_RAD,
-						sc->ah->ah_radio_5ghz_revision),
-						sc->ah->ah_radio_5ghz_revision);
+						ah->ah_radio_5ghz_revision),
+						ah->ah_radio_5ghz_revision);
 			/* No 2GHz support (5110 and some
 			 * 5GHz only cards) -> report 5GHz radio */
 			} else if (!test_bit(AR5K_MODE_11B,
-				sc->ah->ah_capabilities.cap_mode)) {
-				ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
+				ah->ah_capabilities.cap_mode)) {
+				ATH5K_INFO(ah, "RF%s 5GHz radio found (0x%x)\n",
 					ath5k_chip_name(AR5K_VERSION_RAD,
-						sc->ah->ah_radio_5ghz_revision),
-						sc->ah->ah_radio_5ghz_revision);
+						ah->ah_radio_5ghz_revision),
+						ah->ah_radio_5ghz_revision);
 			/* Multiband radio */
 			} else {
-				ATH5K_INFO(sc, "RF%s multiband radio found"
+				ATH5K_INFO(ah, "RF%s multiband radio found"
 					" (0x%x)\n",
 					ath5k_chip_name(AR5K_VERSION_RAD,
-						sc->ah->ah_radio_5ghz_revision),
-						sc->ah->ah_radio_5ghz_revision);
+						ah->ah_radio_5ghz_revision),
+						ah->ah_radio_5ghz_revision);
 			}
 		}
 		/* Multi chip radio (RF5111 - RF2111) ->
 		 * report both 2GHz/5GHz radios */
-		else if (sc->ah->ah_radio_5ghz_revision &&
-				sc->ah->ah_radio_2ghz_revision) {
-			ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
+		else if (ah->ah_radio_5ghz_revision &&
+				ah->ah_radio_2ghz_revision) {
+			ATH5K_INFO(ah, "RF%s 5GHz radio found (0x%x)\n",
 				ath5k_chip_name(AR5K_VERSION_RAD,
-					sc->ah->ah_radio_5ghz_revision),
-					sc->ah->ah_radio_5ghz_revision);
-			ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
+					ah->ah_radio_5ghz_revision),
+					ah->ah_radio_5ghz_revision);
+			ATH5K_INFO(ah, "RF%s 2GHz radio found (0x%x)\n",
 				ath5k_chip_name(AR5K_VERSION_RAD,
-					sc->ah->ah_radio_2ghz_revision),
-					sc->ah->ah_radio_2ghz_revision);
+					ah->ah_radio_2ghz_revision),
+					ah->ah_radio_2ghz_revision);
 		}
 	}
 
-	ath5k_debug_init_device(sc);
+	ath5k_debug_init_device(ah);
 
 	/* ready to process interrupts */
-	__clear_bit(ATH_STAT_INVALID, sc->status);
+	__clear_bit(ATH_STAT_INVALID, ah->status);
 
 	return 0;
 err_ah:
-	ath5k_hw_deinit(sc->ah);
-err_free_ah:
-	kfree(sc->ah);
+	ath5k_hw_deinit(ah);
 err_irq:
-	free_irq(sc->irq, sc);
+	free_irq(ah->irq, ah);
 err:
 	return ret;
 }
 
 static int
-ath5k_stop_locked(struct ath5k_softc *sc)
+ath5k_stop_locked(struct ath5k_hw *ah)
 {
-	struct ath5k_hw *ah = sc->ah;
 
-	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "invalid %u\n",
-			test_bit(ATH_STAT_INVALID, sc->status));
+	ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "invalid %u\n",
+			test_bit(ATH_STAT_INVALID, ah->status));
 
 	/*
 	 * Shutdown the hardware and driver:
@@ -2543,37 +2512,36 @@ ath5k_stop_locked(struct ath5k_softc *sc)
 	 * Note that some of this work is not possible if the
 	 * hardware is gone (invalid).
 	 */
-	ieee80211_stop_queues(sc->hw);
+	ieee80211_stop_queues(ah->hw);
 
-	if (!test_bit(ATH_STAT_INVALID, sc->status)) {
-		ath5k_led_off(sc);
+	if (!test_bit(ATH_STAT_INVALID, ah->status)) {
+		ath5k_led_off(ah);
 		ath5k_hw_set_imr(ah, 0);
-		synchronize_irq(sc->irq);
-		ath5k_rx_stop(sc);
+		synchronize_irq(ah->irq);
+		ath5k_rx_stop(ah);
 		ath5k_hw_dma_stop(ah);
-		ath5k_drain_tx_buffs(sc);
+		ath5k_drain_tx_buffs(ah);
 		ath5k_hw_phy_disable(ah);
 	}
 
 	return 0;
 }
 
-int
-ath5k_init_hw(struct ath5k_softc *sc)
+int ath5k_start(struct ieee80211_hw *hw)
 {
-	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_hw *ah = hw->priv;
 	struct ath_common *common = ath5k_hw_common(ah);
 	int ret, i;
 
-	mutex_lock(&sc->lock);
+	mutex_lock(&ah->lock);
 
-	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "mode %d\n", sc->opmode);
+	ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "mode %d\n", ah->opmode);
 
 	/*
 	 * Stop anything previously setup.  This is safe
 	 * no matter this is the first time through or not.
 	 */
-	ath5k_stop_locked(sc);
+	ath5k_stop_locked(ah);
 
 	/*
 	 * The basic interface to setting the hardware in a good
@@ -2582,12 +2550,12 @@ ath5k_init_hw(struct ath5k_softc *sc)
 	 * be followed by initialization of the appropriate bits
 	 * and then setup of the interrupt mask.
 	 */
-	sc->curchan = sc->hw->conf.channel;
-	sc->imask = AR5K_INT_RXOK | AR5K_INT_RXERR | AR5K_INT_RXEOL |
+	ah->curchan = ah->hw->conf.channel;
+	ah->imask = AR5K_INT_RXOK | AR5K_INT_RXERR | AR5K_INT_RXEOL |
 		AR5K_INT_RXORN | AR5K_INT_TXDESC | AR5K_INT_TXEOL |
 		AR5K_INT_FATAL | AR5K_INT_GLOBAL | AR5K_INT_MIB;
 
-	ret = ath5k_reset(sc, NULL, false);
+	ret = ath5k_reset(ah, NULL, false);
 	if (ret)
 		goto done;
 
@@ -2604,29 +2572,29 @@ ath5k_init_hw(struct ath5k_softc *sc)
 	 * rate */
 	ah->ah_ack_bitrate_high = true;
 
-	for (i = 0; i < ARRAY_SIZE(sc->bslot); i++)
-		sc->bslot[i] = NULL;
+	for (i = 0; i < ARRAY_SIZE(ah->bslot); i++)
+		ah->bslot[i] = NULL;
 
 	ret = 0;
 done:
 	mmiowb();
-	mutex_unlock(&sc->lock);
+	mutex_unlock(&ah->lock);
 
-	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
+	ieee80211_queue_delayed_work(ah->hw, &ah->tx_complete_work,
 			msecs_to_jiffies(ATH5K_TX_COMPLETE_POLL_INT));
 
 	return ret;
 }
 
-static void ath5k_stop_tasklets(struct ath5k_softc *sc)
+static void ath5k_stop_tasklets(struct ath5k_hw *ah)
 {
-	sc->rx_pending = false;
-	sc->tx_pending = false;
-	tasklet_kill(&sc->rxtq);
-	tasklet_kill(&sc->txtq);
-	tasklet_kill(&sc->calib);
-	tasklet_kill(&sc->beacontq);
-	tasklet_kill(&sc->ani_tasklet);
+	ah->rx_pending = false;
+	ah->tx_pending = false;
+	tasklet_kill(&ah->rxtq);
+	tasklet_kill(&ah->txtq);
+	tasklet_kill(&ah->calib);
+	tasklet_kill(&ah->beacontq);
+	tasklet_kill(&ah->ani_tasklet);
 }
 
 /*
@@ -2635,14 +2603,14 @@ static void ath5k_stop_tasklets(struct ath5k_softc *sc)
  * if another thread does a system call and the thread doing the
  * stop is preempted).
  */
-int
-ath5k_stop_hw(struct ath5k_softc *sc)
+void ath5k_stop(struct ieee80211_hw *hw)
 {
+	struct ath5k_hw *ah = hw->priv;
 	int ret;
 
-	mutex_lock(&sc->lock);
-	ret = ath5k_stop_locked(sc);
-	if (ret == 0 && !test_bit(ATH_STAT_INVALID, sc->status)) {
+	mutex_lock(&ah->lock);
+	ret = ath5k_stop_locked(ah);
+	if (ret == 0 && !test_bit(ATH_STAT_INVALID, ah->status)) {
 		/*
 		 * Don't set the card in full sleep mode!
 		 *
@@ -2663,69 +2631,66 @@ ath5k_stop_hw(struct ath5k_softc *sc)
 		 * and Sam's HAL do anyway). Instead Perform a full reset
 		 * on the device (same as initial state after attach) and
 		 * leave it idle (keep MAC/BB on warm reset) */
-		ret = ath5k_hw_on_hold(sc->ah);
+		ret = ath5k_hw_on_hold(ah);
 
-		ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
+		ATH5K_DBG(ah, ATH5K_DEBUG_RESET,
 				"putting device to sleep\n");
 	}
 
 	mmiowb();
-	mutex_unlock(&sc->lock);
-
-	ath5k_stop_tasklets(sc);
+	mutex_unlock(&ah->lock);
 
-	cancel_delayed_work_sync(&sc->tx_complete_work);
+	ath5k_stop_tasklets(ah);
 
-	ath5k_rfkill_hw_stop(sc->ah);
+	cancel_delayed_work_sync(&ah->tx_complete_work);
 
-	return ret;
+	ath5k_rfkill_hw_stop(ah);
 }
 
 /*
  * Reset the hardware.  If chan is not NULL, then also pause rx/tx
  * and change to the given channel.
  *
- * This should be called with sc->lock.
+ * This should be called with ah->lock.
  */
 static int
-ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
+ath5k_reset(struct ath5k_hw *ah, struct ieee80211_channel *chan,
 							bool skip_pcu)
 {
-	struct ath5k_hw *ah = sc->ah;
 	struct ath_common *common = ath5k_hw_common(ah);
 	int ret, ani_mode;
 	bool fast;
 
-	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
+	ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "resetting\n");
 
 	ath5k_hw_set_imr(ah, 0);
-	synchronize_irq(sc->irq);
-	ath5k_stop_tasklets(sc);
+	synchronize_irq(ah->irq);
+	ath5k_stop_tasklets(ah);
 
 	/* Save ani mode and disable ANI during
 	 * reset. If we don't we might get false
 	 * PHY error interrupts. */
-	ani_mode = ah->ah_sc->ani_state.ani_mode;
+	ani_mode = ah->ani_state.ani_mode;
 	ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
 
 	/* We are going to empty hw queues
 	 * so we should also free any remaining
 	 * tx buffers */
-	ath5k_drain_tx_buffs(sc);
+	ath5k_drain_tx_buffs(ah);
 	if (chan)
-		sc->curchan = chan;
+		ah->curchan = chan;
 
 	fast = ((chan != NULL) && modparam_fastchanswitch) ? 1 : 0;
 
-	ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, fast, skip_pcu);
+	ret = ath5k_hw_reset(ah, ah->opmode, ah->curchan, fast, skip_pcu);
 	if (ret) {
-		ATH5K_ERR(sc, "can't reset hardware (%d)\n", ret);
+		ATH5K_ERR(ah, "can't reset hardware (%d)\n", ret);
 		goto err;
 	}
 
-	ret = ath5k_rx_start(sc);
+	ret = ath5k_rx_start(ah);
 	if (ret) {
-		ATH5K_ERR(sc, "can't start recv logic\n");
+		ATH5K_ERR(ah, "can't start recv logic\n");
 		goto err;
 	}
 
@@ -2737,7 +2702,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
 	ewma_init(&ah->ah_beacon_rssi_avg, 1024, 8);
 
 	/* clear survey data and cycle counters */
-	memset(&sc->survey, 0, sizeof(sc->survey));
+	memset(&ah->survey, 0, sizeof(ah->survey));
 	spin_lock_bh(&common->cc_lock);
 	ath_hw_cycle_counters_update(common);
 	memset(&common->cc_survey, 0, sizeof(common->cc_survey));
@@ -2753,12 +2718,12 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
 	 *
 	 * XXX needed?
 	 */
-/*	ath5k_chan_change(sc, c); */
+/*	ath5k_chan_change(ah, c); */
 
-	ath5k_beacon_config(sc);
+	ath5k_beacon_config(ah);
 	/* intrs are enabled by ath5k_beacon_config */
 
-	ieee80211_wake_queues(sc->hw);
+	ieee80211_wake_queues(ah->hw);
 
 	return 0;
 err:
@@ -2767,20 +2732,19 @@ err:
 
 static void ath5k_reset_work(struct work_struct *work)
 {
-	struct ath5k_softc *sc = container_of(work, struct ath5k_softc,
+	struct ath5k_hw *ah = container_of(work, struct ath5k_hw,
 		reset_work);
 
-	mutex_lock(&sc->lock);
-	ath5k_reset(sc, NULL, true);
-	mutex_unlock(&sc->lock);
+	mutex_lock(&ah->lock);
+	ath5k_reset(ah, NULL, true);
+	mutex_unlock(&ah->lock);
 }
 
 static int __devinit
 ath5k_init(struct ieee80211_hw *hw)
 {
 
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_hw *ah = hw->priv;
 	struct ath_regulatory *regulatory = ath5k_hw_regulatory(ah);
 	struct ath5k_txq *txq;
 	u8 mac[ETH_ALEN] = {};
@@ -2799,7 +2763,7 @@ ath5k_init(struct ieee80211_hw *hw)
 	if (ret < 0)
 		goto err;
 	if (ret > 0)
-		__set_bit(ATH_STAT_MRRETRY, sc->status);
+		__set_bit(ATH_STAT_MRRETRY, ah->status);
 
 	/*
 	 * Collect the channel list.  The 802.11 layer
@@ -2809,16 +2773,16 @@ ath5k_init(struct ieee80211_hw *hw)
 	 */
 	ret = ath5k_setup_bands(hw);
 	if (ret) {
-		ATH5K_ERR(sc, "can't get channels\n");
+		ATH5K_ERR(ah, "can't get channels\n");
 		goto err;
 	}
 
 	/*
 	 * Allocate tx+rx descriptors and populate the lists.
 	 */
-	ret = ath5k_desc_alloc(sc);
+	ret = ath5k_desc_alloc(ah);
 	if (ret) {
-		ATH5K_ERR(sc, "can't allocate descriptors\n");
+		ATH5K_ERR(ah, "can't allocate descriptors\n");
 		goto err;
 	}
 
@@ -2830,14 +2794,14 @@ ath5k_init(struct ieee80211_hw *hw)
 	 */
 	ret = ath5k_beaconq_setup(ah);
 	if (ret < 0) {
-		ATH5K_ERR(sc, "can't setup a beacon xmit queue\n");
+		ATH5K_ERR(ah, "can't setup a beacon xmit queue\n");
 		goto err_desc;
 	}
-	sc->bhalq = ret;
-	sc->cabq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_CAB, 0);
-	if (IS_ERR(sc->cabq)) {
-		ATH5K_ERR(sc, "can't setup cab queue\n");
-		ret = PTR_ERR(sc->cabq);
+	ah->bhalq = ret;
+	ah->cabq = ath5k_txq_setup(ah, AR5K_TX_QUEUE_CAB, 0);
+	if (IS_ERR(ah->cabq)) {
+		ATH5K_ERR(ah, "can't setup cab queue\n");
+		ret = PTR_ERR(ah->cabq);
 		goto err_bhal;
 	}
 
@@ -2846,97 +2810,97 @@ ath5k_init(struct ieee80211_hw *hw)
 	if (ah->ah_capabilities.cap_queues.q_tx_num >= 6) {
 		/* This order matches mac80211's queue priority, so we can
 		* directly use the mac80211 queue number without any mapping */
-		txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VO);
+		txq = ath5k_txq_setup(ah, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VO);
 		if (IS_ERR(txq)) {
-			ATH5K_ERR(sc, "can't setup xmit queue\n");
+			ATH5K_ERR(ah, "can't setup xmit queue\n");
 			ret = PTR_ERR(txq);
 			goto err_queues;
 		}
-		txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VI);
+		txq = ath5k_txq_setup(ah, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VI);
 		if (IS_ERR(txq)) {
-			ATH5K_ERR(sc, "can't setup xmit queue\n");
+			ATH5K_ERR(ah, "can't setup xmit queue\n");
 			ret = PTR_ERR(txq);
 			goto err_queues;
 		}
-		txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE);
+		txq = ath5k_txq_setup(ah, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE);
 		if (IS_ERR(txq)) {
-			ATH5K_ERR(sc, "can't setup xmit queue\n");
+			ATH5K_ERR(ah, "can't setup xmit queue\n");
 			ret = PTR_ERR(txq);
 			goto err_queues;
 		}
-		txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BK);
+		txq = ath5k_txq_setup(ah, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BK);
 		if (IS_ERR(txq)) {
-			ATH5K_ERR(sc, "can't setup xmit queue\n");
+			ATH5K_ERR(ah, "can't setup xmit queue\n");
 			ret = PTR_ERR(txq);
 			goto err_queues;
 		}
 		hw->queues = 4;
 	} else {
 		/* older hardware (5210) can only support one data queue */
-		txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE);
+		txq = ath5k_txq_setup(ah, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE);
 		if (IS_ERR(txq)) {
-			ATH5K_ERR(sc, "can't setup xmit queue\n");
+			ATH5K_ERR(ah, "can't setup xmit queue\n");
 			ret = PTR_ERR(txq);
 			goto err_queues;
 		}
 		hw->queues = 1;
 	}
 
-	tasklet_init(&sc->rxtq, ath5k_tasklet_rx, (unsigned long)sc);
-	tasklet_init(&sc->txtq, ath5k_tasklet_tx, (unsigned long)sc);
-	tasklet_init(&sc->calib, ath5k_tasklet_calibrate, (unsigned long)sc);
-	tasklet_init(&sc->beacontq, ath5k_tasklet_beacon, (unsigned long)sc);
-	tasklet_init(&sc->ani_tasklet, ath5k_tasklet_ani, (unsigned long)sc);
+	tasklet_init(&ah->rxtq, ath5k_tasklet_rx, (unsigned long)ah);
+	tasklet_init(&ah->txtq, ath5k_tasklet_tx, (unsigned long)ah);
+	tasklet_init(&ah->calib, ath5k_tasklet_calibrate, (unsigned long)ah);
+	tasklet_init(&ah->beacontq, ath5k_tasklet_beacon, (unsigned long)ah);
+	tasklet_init(&ah->ani_tasklet, ath5k_tasklet_ani, (unsigned long)ah);
 
-	INIT_WORK(&sc->reset_work, ath5k_reset_work);
-	INIT_DELAYED_WORK(&sc->tx_complete_work, ath5k_tx_complete_poll_work);
+	INIT_WORK(&ah->reset_work, ath5k_reset_work);
+	INIT_DELAYED_WORK(&ah->tx_complete_work, ath5k_tx_complete_poll_work);
 
 	ret = ath5k_hw_common(ah)->bus_ops->eeprom_read_mac(ah, mac);
 	if (ret) {
-		ATH5K_ERR(sc, "unable to read address from EEPROM\n");
+		ATH5K_ERR(ah, "unable to read address from EEPROM\n");
 		goto err_queues;
 	}
 
 	SET_IEEE80211_PERM_ADDR(hw, mac);
-	memcpy(&sc->lladdr, mac, ETH_ALEN);
+	memcpy(&ah->lladdr, mac, ETH_ALEN);
 	/* All MAC address bits matter for ACKs */
-	ath5k_update_bssid_mask_and_opmode(sc, NULL);
+	ath5k_update_bssid_mask_and_opmode(ah, NULL);
 
 	regulatory->current_rd = ah->ah_capabilities.cap_eeprom.ee_regdomain;
 	ret = ath_regd_init(regulatory, hw->wiphy, ath5k_reg_notifier);
 	if (ret) {
-		ATH5K_ERR(sc, "can't initialize regulatory system\n");
+		ATH5K_ERR(ah, "can't initialize regulatory system\n");
 		goto err_queues;
 	}
 
 	ret = ieee80211_register_hw(hw);
 	if (ret) {
-		ATH5K_ERR(sc, "can't register ieee80211 hw\n");
+		ATH5K_ERR(ah, "can't register ieee80211 hw\n");
 		goto err_queues;
 	}
 
 	if (!ath_is_world_regd(regulatory))
 		regulatory_hint(hw->wiphy, regulatory->alpha2);
 
-	ath5k_init_leds(sc);
+	ath5k_init_leds(ah);
 
-	ath5k_sysfs_register(sc);
+	ath5k_sysfs_register(ah);
 
 	return 0;
 err_queues:
-	ath5k_txq_release(sc);
+	ath5k_txq_release(ah);
 err_bhal:
-	ath5k_hw_release_tx_queue(ah, sc->bhalq);
+	ath5k_hw_release_tx_queue(ah, ah->bhalq);
 err_desc:
-	ath5k_desc_free(sc);
+	ath5k_desc_free(ah);
 err:
 	return ret;
 }
 
 void
-ath5k_deinit_softc(struct ath5k_softc *sc)
+ath5k_deinit_softc(struct ath5k_hw *ah)
 {
-	struct ieee80211_hw *hw = sc->hw;
+	struct ieee80211_hw *hw = ah->hw;
 
 	/*
 	 * NB: the order of these is important:
@@ -2952,24 +2916,23 @@ ath5k_deinit_softc(struct ath5k_softc *sc)
 	 * Other than that, it's straightforward...
 	 */
 	ieee80211_unregister_hw(hw);
-	ath5k_desc_free(sc);
-	ath5k_txq_release(sc);
-	ath5k_hw_release_tx_queue(sc->ah, sc->bhalq);
-	ath5k_unregister_leds(sc);
+	ath5k_desc_free(ah);
+	ath5k_txq_release(ah);
+	ath5k_hw_release_tx_queue(ah, ah->bhalq);
+	ath5k_unregister_leds(ah);
 
-	ath5k_sysfs_unregister(sc);
+	ath5k_sysfs_unregister(ah);
 	/*
 	 * NB: can't reclaim these until after ieee80211_ifdetach
 	 * returns because we'll get called back to reclaim node
 	 * state and potentially want to use them.
 	 */
-	ath5k_hw_deinit(sc->ah);
-	kfree(sc->ah);
-	free_irq(sc->irq, sc);
+	ath5k_hw_deinit(ah);
+	free_irq(ah->irq, ah);
 }
 
 bool
-ath5k_any_vif_assoc(struct ath5k_softc *sc)
+ath5k_any_vif_assoc(struct ath5k_hw *ah)
 {
 	struct ath5k_vif_iter_data iter_data;
 	iter_data.hw_macaddr = NULL;
@@ -2977,7 +2940,7 @@ ath5k_any_vif_assoc(struct ath5k_softc *sc)
 	iter_data.need_set_hw_addr = false;
 	iter_data.found_active = true;
 
-	ieee80211_iterate_active_interfaces_atomic(sc->hw, ath5k_vif_iter,
+	ieee80211_iterate_active_interfaces_atomic(ah->hw, ath5k_vif_iter,
 						   &iter_data);
 	return iter_data.any_assoc;
 }
@@ -2985,8 +2948,7 @@ ath5k_any_vif_assoc(struct ath5k_softc *sc)
 void
 ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable)
 {
-	struct ath5k_softc *sc = hw->priv;
-	struct ath5k_hw *ah = sc->ah;
+	struct ath5k_hw *ah = hw->priv;
 	u32 rfilt;
 	rfilt = ath5k_hw_get_rx_filter(ah);
 	if (enable)
@@ -2994,5 +2956,5 @@ ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable)
 	else
 		rfilt &= ~AR5K_RX_FILTER_BEACON;
 	ath5k_hw_set_rx_filter(ah, rfilt);
-	sc->filter_flags = rfilt;
+	ah->filter_flags = rfilt;
 }