Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

28 files changed, 358 insertions, 263 deletions

diff --git a/drivers/net/wireless/iwlwifi/dvm/calib.c b/drivers/net/wireless/iwlwifi/dvm/calib.c
index f2dd671d7dc..de54713b680 100644
--- a/drivers/net/wireless/iwlwifi/dvm/calib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/calib.c
@@ -833,14 +833,14 @@ static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig,
 	 * To be safe, simply mask out any chains that we know
 	 * are not on the device.
 	 */
-	active_chains &= priv->eeprom_data->valid_rx_ant;
+	active_chains &= priv->nvm_data->valid_rx_ant;
 
 	num_tx_chains = 0;
 	for (i = 0; i < NUM_RX_CHAINS; i++) {
 		/* loops on all the bits of
 		 * priv->hw_setting.valid_tx_ant */
 		u8 ant_msk = (1 << i);
-		if (!(priv->eeprom_data->valid_tx_ant & ant_msk))
+		if (!(priv->nvm_data->valid_tx_ant & ant_msk))
 			continue;
 
 		num_tx_chains++;
@@ -854,7 +854,7 @@ static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig,
 			 * connect the first valid tx chain
 			 */
 			first_chain =
-				find_first_chain(priv->eeprom_data->valid_tx_ant);
+				find_first_chain(priv->nvm_data->valid_tx_ant);
 			data->disconn_array[first_chain] = 0;
 			active_chains |= BIT(first_chain);
 			IWL_DEBUG_CALIB(priv,
@@ -864,13 +864,13 @@ static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig,
 		}
 	}
 
-	if (active_chains != priv->eeprom_data->valid_rx_ant &&
+	if (active_chains != priv->nvm_data->valid_rx_ant &&
 	    active_chains != priv->chain_noise_data.active_chains)
 		IWL_DEBUG_CALIB(priv,
 				"Detected that not all antennas are connected! "
 				"Connected: %#x, valid: %#x.\n",
 				active_chains,
-				priv->eeprom_data->valid_rx_ant);
+				priv->nvm_data->valid_rx_ant);
 
 	/* Save for use within RXON, TX, SCAN commands, etc. */
 	data->active_chains = active_chains;
@@ -1055,7 +1055,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv)
 	    priv->cfg->bt_params->advanced_bt_coexist) {
 		/* Disable disconnected antenna algorithm for advanced
 		   bt coex, assuming valid antennas are connected */
-		data->active_chains = priv->eeprom_data->valid_rx_ant;
+		data->active_chains = priv->nvm_data->valid_rx_ant;
 		for (i = 0; i < NUM_RX_CHAINS; i++)
 			if (!(data->active_chains & (1<<i)))
 				data->disconn_array[i] = 1;
@@ -1086,7 +1086,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv)
 
 	iwlagn_gain_computation(
 		priv, average_noise,
-		find_first_chain(priv->eeprom_data->valid_rx_ant));
+		find_first_chain(priv->nvm_data->valid_rx_ant));
 
 	/* Some power changes may have been made during the calibration.
 	 * Update and commit the RXON
diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
index 769a08bca86..5b9533eef54 100644
--- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
@@ -305,7 +305,7 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 	int pos = 0, ofs = 0, buf_size = 0;
 	const u8 *ptr;
 	char *buf;
-	u16 eeprom_ver;
+	u16 nvm_ver;
 	size_t eeprom_len = priv->eeprom_blob_size;
 	buf_size = 4 * eeprom_len + 256;
 
@@ -321,9 +321,9 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
-	eeprom_ver = priv->eeprom_data->eeprom_version;
+	nvm_ver = priv->nvm_data->nvm_version;
 	pos += scnprintf(buf + pos, buf_size - pos,
-			 "NVM version: 0x%x\n", eeprom_ver);
+			 "NVM version: 0x%x\n", nvm_ver);
 	for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 		pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 		hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
@@ -1333,17 +1333,17 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
 	if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
 		pos += scnprintf(buf + pos, bufsz - pos,
 			"tx power: (1/2 dB step)\n");
-		if ((priv->eeprom_data->valid_tx_ant & ANT_A) &&
+		if ((priv->nvm_data->valid_tx_ant & ANT_A) &&
 		    tx->tx_power.ant_a)
 			pos += scnprintf(buf + pos, bufsz - pos,
 					fmt_hex, "antenna A:",
 					tx->tx_power.ant_a);
-		if ((priv->eeprom_data->valid_tx_ant & ANT_B) &&
+		if ((priv->nvm_data->valid_tx_ant & ANT_B) &&
 		    tx->tx_power.ant_b)
 			pos += scnprintf(buf + pos, bufsz - pos,
 					fmt_hex, "antenna B:",
 					tx->tx_power.ant_b);
-		if ((priv->eeprom_data->valid_tx_ant & ANT_C) &&
+		if ((priv->nvm_data->valid_tx_ant & ANT_C) &&
 		    tx->tx_power.ant_c)
 			pos += scnprintf(buf + pos, bufsz - pos,
 					fmt_hex, "antenna C:",
diff --git a/drivers/net/wireless/iwlwifi/dvm/dev.h b/drivers/net/wireless/iwlwifi/dvm/dev.h
index 29c571a5625..2653a891cc7 100644
--- a/drivers/net/wireless/iwlwifi/dvm/dev.h
+++ b/drivers/net/wireless/iwlwifi/dvm/dev.h
@@ -843,7 +843,7 @@ struct iwl_priv {
 	void *wowlan_sram;
 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 
-	struct iwl_eeprom_data *eeprom_data;
+	struct iwl_nvm_data *nvm_data;
 	/* eeprom blob for debugfs/testmode */
 	u8 *eeprom_blob;
 	size_t eeprom_blob_size;
diff --git a/drivers/net/wireless/iwlwifi/dvm/devices.c b/drivers/net/wireless/iwlwifi/dvm/devices.c
index da586206419..8c72be3f37c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/devices.c
+++ b/drivers/net/wireless/iwlwifi/dvm/devices.c
@@ -305,8 +305,8 @@ static s32 iwl_temp_calib_to_offset(struct iwl_priv *priv)
 {
 	u16 temperature, voltage;
 
-	temperature = le16_to_cpu(priv->eeprom_data->kelvin_temperature);
-	voltage = le16_to_cpu(priv->eeprom_data->kelvin_voltage);
+	temperature = le16_to_cpu(priv->nvm_data->kelvin_temperature);
+	voltage = le16_to_cpu(priv->nvm_data->kelvin_voltage);
 
 	/* offset = temp - volt / coeff */
 	return (s32)(temperature -
@@ -460,13 +460,13 @@ static void iwl6000_nic_config(struct iwl_priv *priv)
 		break;
 	case IWL_DEVICE_FAMILY_6050:
 		/* Indicate calibration version to uCode. */
-		if (priv->eeprom_data->calib_version >= 6)
+		if (priv->nvm_data->calib_version >= 6)
 			iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
 					CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
 		break;
 	case IWL_DEVICE_FAMILY_6150:
 		/* Indicate calibration version to uCode. */
-		if (priv->eeprom_data->calib_version >= 6)
+		if (priv->nvm_data->calib_version >= 6)
 			iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
 					CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
 		iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c
index 7e59be4b89b..6ff46605ad4 100644
--- a/drivers/net/wireless/iwlwifi/dvm/lib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/lib.c
@@ -59,7 +59,7 @@ int iwlagn_send_tx_power(struct iwl_priv *priv)
 	/* half dBm need to multiply */
 	tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
 
-	if (tx_power_cmd.global_lmt > priv->eeprom_data->max_tx_pwr_half_dbm) {
+	if (tx_power_cmd.global_lmt > priv->nvm_data->max_tx_pwr_half_dbm) {
 		/*
 		 * For the newer devices which using enhanced/extend tx power
 		 * table in EEPROM, the format is in half dBm. driver need to
@@ -72,7 +72,7 @@ int iwlagn_send_tx_power(struct iwl_priv *priv)
 		 * half-dBm format), lower the tx power based on EEPROM
 		 */
 		tx_power_cmd.global_lmt =
-			priv->eeprom_data->max_tx_pwr_half_dbm;
+			priv->nvm_data->max_tx_pwr_half_dbm;
 	}
 	tx_power_cmd.flags = IWLAGN_TX_POWER_NO_CLOSED;
 	tx_power_cmd.srv_chan_lmt = IWLAGN_TX_POWER_AUTO;
@@ -159,7 +159,7 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv)
 					   IWL_PAN_SCD_MGMT_MSK |
 					   IWL_PAN_SCD_MULTICAST_MSK;
 
-	if (priv->eeprom_data->sku & EEPROM_SKU_CAP_11N_ENABLE)
+	if (priv->nvm_data->sku_cap_11n_enable)
 		flush_cmd.queue_control |= IWL_AGG_TX_QUEUE_MSK;
 
 	IWL_DEBUG_INFO(priv, "queue control: 0x%x\n",
@@ -825,7 +825,7 @@ void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 	if (priv->chain_noise_data.active_chains)
 		active_chains = priv->chain_noise_data.active_chains;
 	else
-		active_chains = priv->eeprom_data->valid_rx_ant;
+		active_chains = priv->nvm_data->valid_rx_ant;
 
 	if (priv->cfg->bt_params &&
 	    priv->cfg->bt_params->advanced_bt_coexist &&
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index fb959b00b20..3163e0f38c2 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -164,7 +164,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
 	hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
 	 */
 
-	if (priv->eeprom_data->sku & EEPROM_SKU_CAP_11N_ENABLE)
+	if (priv->nvm_data->sku_cap_11n_enable)
 		hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
 			     IEEE80211_HW_SUPPORTS_STATIC_SMPS;
 
@@ -242,12 +242,12 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
 
 	hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
 
-	if (priv->eeprom_data->bands[IEEE80211_BAND_2GHZ].n_channels)
+	if (priv->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
 		priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
-			&priv->eeprom_data->bands[IEEE80211_BAND_2GHZ];
-	if (priv->eeprom_data->bands[IEEE80211_BAND_5GHZ].n_channels)
+			&priv->nvm_data->bands[IEEE80211_BAND_2GHZ];
+	if (priv->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
 		priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
-			&priv->eeprom_data->bands[IEEE80211_BAND_5GHZ];
+			&priv->nvm_data->bands[IEEE80211_BAND_5GHZ];
 
 	hw->wiphy->hw_version = priv->trans->hw_id;
 
@@ -654,7 +654,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 	IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
 		     sta->addr, tid);
 
-	if (!(priv->eeprom_data->sku & EEPROM_SKU_CAP_11N_ENABLE))
+	if (!(priv->nvm_data->sku_cap_11n_enable))
 		return -EACCES;
 
 	IWL_DEBUG_MAC80211(priv, "enter\n");
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index e3a07c91681..faa05932efa 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -185,7 +185,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
 		rate = info->control.rates[0].idx;
 
 	priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
-					      priv->eeprom_data->valid_tx_ant);
+					      priv->nvm_data->valid_tx_ant);
 	rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
 
 	/* In mac80211, rates for 5 GHz start at 0 */
@@ -776,7 +776,7 @@ int iwl_alive_start(struct iwl_priv *priv)
 	ieee80211_wake_queues(priv->hw);
 
 	/* Configure Tx antenna selection based on H/W config */
-	iwlagn_send_tx_ant_config(priv, priv->eeprom_data->valid_tx_ant);
+	iwlagn_send_tx_ant_config(priv, priv->nvm_data->valid_tx_ant);
 
 	if (iwl_is_associated_ctx(ctx) && !priv->wowlan) {
 		struct iwl_rxon_cmd *active_rxon =
@@ -1191,30 +1191,38 @@ static void iwl_option_config(struct iwl_priv *priv)
 
 static int iwl_eeprom_init_hw_params(struct iwl_priv *priv)
 {
-	if (priv->eeprom_data->sku & EEPROM_SKU_CAP_11N_ENABLE &&
+	struct iwl_nvm_data *data = priv->nvm_data;
+	char *debug_msg;
+
+	if (data->sku_cap_11n_enable &&
 	    !priv->cfg->ht_params) {
 		IWL_ERR(priv, "Invalid 11n configuration\n");
 		return -EINVAL;
 	}
 
-	if (!priv->eeprom_data->sku) {
+	if (!data->sku_cap_11n_enable && !data->sku_cap_band_24GHz_enable &&
+	    !data->sku_cap_band_52GHz_enable) {
 		IWL_ERR(priv, "Invalid device sku\n");
 		return -EINVAL;
 	}
 
-	IWL_DEBUG_INFO(priv, "Device SKU: 0x%X\n", priv->eeprom_data->sku);
+	debug_msg = "Device SKU: 24GHz %s %s, 52GHz %s %s, 11.n %s %s\n";
+	IWL_DEBUG_INFO(priv, debug_msg,
+		       data->sku_cap_band_24GHz_enable ? "" : "NOT", "enabled",
+		       data->sku_cap_band_52GHz_enable ? "" : "NOT", "enabled",
+		       data->sku_cap_11n_enable ? "" : "NOT", "enabled");
 
 	priv->hw_params.tx_chains_num =
-		num_of_ant(priv->eeprom_data->valid_tx_ant);
+		num_of_ant(data->valid_tx_ant);
 	if (priv->cfg->rx_with_siso_diversity)
 		priv->hw_params.rx_chains_num = 1;
 	else
 		priv->hw_params.rx_chains_num =
-			num_of_ant(priv->eeprom_data->valid_rx_ant);
+			num_of_ant(data->valid_rx_ant);
 
 	IWL_DEBUG_INFO(priv, "Valid Tx ant: 0x%X, Valid Rx ant: 0x%X\n",
-		       priv->eeprom_data->valid_tx_ant,
-		       priv->eeprom_data->valid_rx_ant);
+		       data->valid_tx_ant,
+		       data->valid_rx_ant);
 
 	return 0;
 }
@@ -1374,24 +1382,24 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 	/* Reset chip to save power until we load uCode during "up". */
 	iwl_trans_stop_hw(priv->trans, false);
 
-	priv->eeprom_data = iwl_parse_eeprom_data(priv->trans->dev, priv->cfg,
+	priv->nvm_data = iwl_parse_eeprom_data(priv->trans->dev, priv->cfg,
 						  priv->eeprom_blob,
 						  priv->eeprom_blob_size);
-	if (!priv->eeprom_data)
+	if (!priv->nvm_data)
 		goto out_free_eeprom_blob;
 
-	if (iwl_eeprom_check_version(priv->eeprom_data, priv->trans))
+	if (iwl_nvm_check_version(priv->nvm_data, priv->trans))
 		goto out_free_eeprom;
 
 	if (iwl_eeprom_init_hw_params(priv))
 		goto out_free_eeprom;
 
 	/* extract MAC Address */
-	memcpy(priv->addresses[0].addr, priv->eeprom_data->hw_addr, ETH_ALEN);
+	memcpy(priv->addresses[0].addr, priv->nvm_data->hw_addr, ETH_ALEN);
 	IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr);
 	priv->hw->wiphy->addresses = priv->addresses;
 	priv->hw->wiphy->n_addresses = 1;
-	num_mac = priv->eeprom_data->n_hw_addrs;
+	num_mac = priv->nvm_data->n_hw_addrs;
 	if (num_mac > 1) {
 		memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
 		       ETH_ALEN);
@@ -1404,7 +1412,7 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 	 ************************/
 	iwl_set_hw_params(priv);
 
-	if (!(priv->eeprom_data->sku & EEPROM_SKU_CAP_IPAN_ENABLE)) {
+	if (!(priv->nvm_data->sku_cap_ipan_enable)) {
 		IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN");
 		ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
 		/*
@@ -1486,7 +1494,7 @@ out_destroy_workqueue:
 out_free_eeprom_blob:
 	kfree(priv->eeprom_blob);
 out_free_eeprom:
-	iwl_free_eeprom_data(priv->eeprom_data);
+	iwl_free_nvm_data(priv->nvm_data);
 out_free_hw:
 	ieee80211_free_hw(priv->hw);
 out:
@@ -1506,7 +1514,7 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
 	iwl_tt_exit(priv);
 
 	kfree(priv->eeprom_blob);
-	iwl_free_eeprom_data(priv->eeprom_data);
+	iwl_free_nvm_data(priv->nvm_data);
 
 	/*netif_stop_queue(dev); */
 	flush_workqueue(priv->workqueue);
@@ -1980,7 +1988,6 @@ static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode)
 static void iwl_nic_config(struct iwl_op_mode *op_mode)
 {
 	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
-	u16 radio_cfg = priv->eeprom_data->radio_cfg;
 
 	/* SKU Control */
 	iwl_set_bits_mask(priv->trans, CSR_HW_IF_CONFIG_REG,
@@ -1992,13 +1999,13 @@ static void iwl_nic_config(struct iwl_op_mode *op_mode)
 				CSR_HW_IF_CONFIG_REG_POS_MAC_DASH));
 
 	/* write radio config values to register */
-	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX) {
+	if (priv->nvm_data->radio_cfg_type <= EEPROM_RF_CONFIG_TYPE_MAX) {
 		u32 reg_val =
-			EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <<
+			priv->nvm_data->radio_cfg_type <<
 				CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE |
-			EEPROM_RF_CFG_STEP_MSK(radio_cfg) <<
+			priv->nvm_data->radio_cfg_step <<
 				CSR_HW_IF_CONFIG_REG_POS_PHY_STEP |
-			EEPROM_RF_CFG_DASH_MSK(radio_cfg) <<
+			priv->nvm_data->radio_cfg_dash <<
 				CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
 
 		iwl_set_bits_mask(priv->trans, CSR_HW_IF_CONFIG_REG,
@@ -2007,9 +2014,9 @@ static void iwl_nic_config(struct iwl_op_mode *op_mode)
 				  CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH, reg_val);
 
 		IWL_INFO(priv, "Radio type=0x%x-0x%x-0x%x\n",
-			 EEPROM_RF_CFG_TYPE_MSK(radio_cfg),
-			 EEPROM_RF_CFG_STEP_MSK(radio_cfg),
-			 EEPROM_RF_CFG_DASH_MSK(radio_cfg));
+			 priv->nvm_data->radio_cfg_type,
+			 priv->nvm_data->radio_cfg_step,
+			 priv->nvm_data->radio_cfg_dash);
 	} else {
 		WARN_ON(1);
 	}
diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c
index a82f46c10f5..f3dd0da60d8 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rs.c
@@ -820,7 +820,7 @@ static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta,
 
 		if (num_of_ant(tbl->ant_type) > 1)
 			tbl->ant_type =
-			    first_antenna(priv->eeprom_data->valid_tx_ant);
+			    first_antenna(priv->nvm_data->valid_tx_ant);
 
 		tbl->is_ht40 = 0;
 		tbl->is_SGI = 0;
@@ -1448,7 +1448,7 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
 	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
 		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	u8 start_action;
-	u8 valid_tx_ant = priv->eeprom_data->valid_tx_ant;
+	u8 valid_tx_ant = priv->nvm_data->valid_tx_ant;
 	u8 tx_chains_num = priv->hw_params.tx_chains_num;
 	int ret = 0;
 	u8 update_search_tbl_counter = 0;
@@ -1466,7 +1466,7 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
 	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
 		/* avoid antenna B and MIMO */
 		valid_tx_ant =
-			first_antenna(priv->eeprom_data->valid_tx_ant);
+			first_antenna(priv->nvm_data->valid_tx_ant);
 		if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2 &&
 		    tbl->action != IWL_LEGACY_SWITCH_SISO)
 			tbl->action = IWL_LEGACY_SWITCH_SISO;
@@ -1490,7 +1490,7 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
 		else if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2)
 			tbl->action = IWL_LEGACY_SWITCH_SISO;
 		valid_tx_ant =
-			first_antenna(priv->eeprom_data->valid_tx_ant);
+			first_antenna(priv->nvm_data->valid_tx_ant);
 	}
 
 	start_action = tbl->action;
@@ -1624,7 +1624,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
 	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
 		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	u8 start_action;
-	u8 valid_tx_ant = priv->eeprom_data->valid_tx_ant;
+	u8 valid_tx_ant = priv->nvm_data->valid_tx_ant;
 	u8 tx_chains_num = priv->hw_params.tx_chains_num;
 	u8 update_search_tbl_counter = 0;
 	int ret;
@@ -1642,7 +1642,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
 	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
 		/* avoid antenna B and MIMO */
 		valid_tx_ant =
-			first_antenna(priv->eeprom_data->valid_tx_ant);
+			first_antenna(priv->nvm_data->valid_tx_ant);
 		if (tbl->action != IWL_SISO_SWITCH_ANTENNA1)
 			tbl->action = IWL_SISO_SWITCH_ANTENNA1;
 		break;
@@ -1660,7 +1660,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
 	/* configure as 1x1 if bt full concurrency */
 	if (priv->bt_full_concurrent) {
 		valid_tx_ant =
-			first_antenna(priv->eeprom_data->valid_tx_ant);
+			first_antenna(priv->nvm_data->valid_tx_ant);
 		if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2)
 			tbl->action = IWL_SISO_SWITCH_ANTENNA1;
 	}
@@ -1796,7 +1796,7 @@ static int rs_move_mimo2_to_other(struct iwl_priv *priv,
 	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
 		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	u8 start_action;
-	u8 valid_tx_ant = priv->eeprom_data->valid_tx_ant;
+	u8 valid_tx_ant = priv->nvm_data->valid_tx_ant;
 	u8 tx_chains_num = priv->hw_params.tx_chains_num;
 	u8 update_search_tbl_counter = 0;
 	int ret;
@@ -1966,7 +1966,7 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv,
 	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
 		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	u8 start_action;
-	u8 valid_tx_ant = priv->eeprom_data->valid_tx_ant;
+	u8 valid_tx_ant = priv->nvm_data->valid_tx_ant;
 	u8 tx_chains_num = priv->hw_params.tx_chains_num;
 	int ret;
 	u8 update_search_tbl_counter = 0;
@@ -2700,7 +2700,7 @@ static void rs_initialize_lq(struct iwl_priv *priv,
 
 	i = lq_sta->last_txrate_idx;
 
-	valid_tx_ant = priv->eeprom_data->valid_tx_ant;
+	valid_tx_ant = priv->nvm_data->valid_tx_ant;
 
 	if (!lq_sta->search_better_tbl)
 		active_tbl = lq_sta->active_tbl;
@@ -2894,15 +2894,15 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i
 
 	/* These values will be overridden later */
 	lq_sta->lq.general_params.single_stream_ant_msk =
-		first_antenna(priv->eeprom_data->valid_tx_ant);
+		first_antenna(priv->nvm_data->valid_tx_ant);
 	lq_sta->lq.general_params.dual_stream_ant_msk =
-		priv->eeprom_data->valid_tx_ant &
-		~first_antenna(priv->eeprom_data->valid_tx_ant);
+		priv->nvm_data->valid_tx_ant &
+		~first_antenna(priv->nvm_data->valid_tx_ant);
 	if (!lq_sta->lq.general_params.dual_stream_ant_msk) {
 		lq_sta->lq.general_params.dual_stream_ant_msk = ANT_AB;
-	} else if (num_of_ant(priv->eeprom_data->valid_tx_ant) == 2) {
+	} else if (num_of_ant(priv->nvm_data->valid_tx_ant) == 2) {
 		lq_sta->lq.general_params.dual_stream_ant_msk =
-			priv->eeprom_data->valid_tx_ant;
+			priv->nvm_data->valid_tx_ant;
 	}
 
 	/* as default allow aggregation for all tids */
@@ -2948,7 +2948,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
 	if (priv && priv->bt_full_concurrent) {
 		/* 1x1 only */
 		tbl_type.ant_type =
-			first_antenna(priv->eeprom_data->valid_tx_ant);
+			first_antenna(priv->nvm_data->valid_tx_ant);
 	}
 
 	/* How many times should we repeat the initial rate? */
@@ -2980,7 +2980,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
 		if (priv->bt_full_concurrent)
 			valid_tx_ant = ANT_A;
 		else
-			valid_tx_ant = priv->eeprom_data->valid_tx_ant;
+			valid_tx_ant = priv->nvm_data->valid_tx_ant;
 	}
 
 	/* Fill rest of rate table */
@@ -3014,7 +3014,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
 		if (priv && priv->bt_full_concurrent) {
 			/* 1x1 only */
 			tbl_type.ant_type =
-			    first_antenna(priv->eeprom_data->valid_tx_ant);
+			    first_antenna(priv->nvm_data->valid_tx_ant);
 		}
 
 		/* Indicate to uCode which entries might be MIMO.
@@ -3101,7 +3101,7 @@ static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta,
 	u8 ant_sel_tx;
 
 	priv = lq_sta->drv;
-	valid_tx_ant = priv->eeprom_data->valid_tx_ant;
+	valid_tx_ant = priv->nvm_data->valid_tx_ant;
 	if (lq_sta->dbg_fixed_rate) {
 		ant_sel_tx =
 		  ((lq_sta->dbg_fixed_rate & RATE_MCS_ANT_ABC_MSK)
@@ -3172,9 +3172,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
 	desc += sprintf(buff+desc, "fixed rate 0x%X\n",
 			lq_sta->dbg_fixed_rate);
 	desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n",
-	    (priv->eeprom_data->valid_tx_ant & ANT_A) ? "ANT_A," : "",
-	    (priv->eeprom_data->valid_tx_ant & ANT_B) ? "ANT_B," : "",
-	    (priv->eeprom_data->valid_tx_ant & ANT_C) ? "ANT_C" : "");
+	    (priv->nvm_data->valid_tx_ant & ANT_A) ? "ANT_A," : "",
+	    (priv->nvm_data->valid_tx_ant & ANT_B) ? "ANT_B," : "",
+	    (priv->nvm_data->valid_tx_ant & ANT_C) ? "ANT_C" : "");
 	desc += sprintf(buff+desc, "lq type %s\n",
 	   (is_legacy(tbl->lq_type)) ? "legacy" : "HT");
 	if (is_Ht(tbl->lq_type)) {
diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c
index 2830ea29050..9a891e6e60e 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
@@ -420,10 +420,10 @@ static int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
 		return -EINVAL;
 	}
 
-	if (tx_power > DIV_ROUND_UP(priv->eeprom_data->max_tx_pwr_half_dbm, 2)) {
+	if (tx_power > DIV_ROUND_UP(priv->nvm_data->max_tx_pwr_half_dbm, 2)) {
 		IWL_WARN(priv,
 			"Requested user TXPOWER %d above upper limit %d.\n",
-			 tx_power, priv->eeprom_data->max_tx_pwr_half_dbm);
+			 tx_power, priv->nvm_data->max_tx_pwr_half_dbm);
 		return -EINVAL;
 	}
 
diff --git a/drivers/net/wireless/iwlwifi/dvm/scan.c b/drivers/net/wireless/iwlwifi/dvm/scan.c
index bb9f6252d28..610ed2204e1 100644
--- a/drivers/net/wireless/iwlwifi/dvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/dvm/scan.c
@@ -660,12 +660,12 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	u16 rx_chain = 0;
 	enum ieee80211_band band;
 	u8 n_probes = 0;
-	u8 rx_ant = priv->eeprom_data->valid_rx_ant;
+	u8 rx_ant = priv->nvm_data->valid_rx_ant;
 	u8 rate;
 	bool is_active = false;
 	int  chan_mod;
 	u8 active_chains;
-	u8 scan_tx_antennas = priv->eeprom_data->valid_tx_ant;
+	u8 scan_tx_antennas = priv->nvm_data->valid_tx_ant;
 	int ret;
 	int scan_cmd_size = sizeof(struct iwl_scan_cmd) +
 			    MAX_SCAN_CHANNEL * sizeof(struct iwl_scan_channel) +
@@ -673,8 +673,9 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	const u8 *ssid = NULL;
 	u8 ssid_len = 0;
 
-	if (WARN_ON_ONCE(priv->scan_request &&
-			 priv->scan_request->n_channels > MAX_SCAN_CHANNEL))
+	if (WARN_ON(priv->scan_type == IWL_SCAN_NORMAL &&
+		    (!priv->scan_request ||
+		     priv->scan_request->n_channels > MAX_SCAN_CHANNEL)))
 		return -EINVAL;
 
 	lockdep_assert_held(&priv->mutex);
@@ -881,7 +882,7 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 	/* MIMO is not used here, but value is required */
 	rx_chain |=
-		priv->eeprom_data->valid_rx_ant << RXON_RX_CHAIN_VALID_POS;
+		priv->nvm_data->valid_rx_ant << RXON_RX_CHAIN_VALID_POS;
 	rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
 	rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_SEL_POS;
 	rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS;
@@ -998,7 +999,7 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 void iwl_init_scan_params(struct iwl_priv *priv)
 {
-	u8 ant_idx = fls(priv->eeprom_data->valid_tx_ant) - 1;
+	u8 ant_idx = fls(priv->nvm_data->valid_tx_ant) - 1;
 	if (!priv->scan_tx_ant[IEEE80211_BAND_5GHZ])
 		priv->scan_tx_ant[IEEE80211_BAND_5GHZ] = ant_idx;
 	if (!priv->scan_tx_ant[IEEE80211_BAND_2GHZ])
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index cd9b6de4273..bdba9543c35 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -634,23 +634,23 @@ static void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 	if (r >= IWL_FIRST_CCK_RATE && r <= IWL_LAST_CCK_RATE)
 		rate_flags |= RATE_MCS_CCK_MSK;
 
-	rate_flags |= first_antenna(priv->eeprom_data->valid_tx_ant) <<
+	rate_flags |= first_antenna(priv->nvm_data->valid_tx_ant) <<
 				RATE_MCS_ANT_POS;
 	rate_n_flags = iwl_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags);
 	for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++)
 		link_cmd->rs_table[i].rate_n_flags = rate_n_flags;
 
 	link_cmd->general_params.single_stream_ant_msk =
-			first_antenna(priv->eeprom_data->valid_tx_ant);
+			first_antenna(priv->nvm_data->valid_tx_ant);
 
 	link_cmd->general_params.dual_stream_ant_msk =
-		priv->eeprom_data->valid_tx_ant &
-		~first_antenna(priv->eeprom_data->valid_tx_ant);
+		priv->nvm_data->valid_tx_ant &
+		~first_antenna(priv->nvm_data->valid_tx_ant);
 	if (!link_cmd->general_params.dual_stream_ant_msk) {
 		link_cmd->general_params.dual_stream_ant_msk = ANT_AB;
-	} else if (num_of_ant(priv->eeprom_data->valid_tx_ant) == 2) {
+	} else if (num_of_ant(priv->nvm_data->valid_tx_ant) == 2) {
 		link_cmd->general_params.dual_stream_ant_msk =
-			priv->eeprom_data->valid_tx_ant;
+			priv->nvm_data->valid_tx_ant;
 	}
 
 	link_cmd->agg_params.agg_dis_start_th =
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index 4ae031f6726..da21328ca8e 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -188,7 +188,7 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
 	if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS ||
 			(rate_idx < 0) || (rate_idx > IWL_RATE_COUNT_LEGACY))
 		rate_idx = rate_lowest_index(
-				&priv->eeprom_data->bands[info->band], sta);
+				&priv->nvm_data->bands[info->band], sta);
 	/* For 5 GHZ band, remap mac80211 rate indices into driver indices */
 	if (info->band == IEEE80211_BAND_5GHZ)
 		rate_idx += IWL_FIRST_OFDM_RATE;
@@ -207,11 +207,11 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
 	     priv->bt_full_concurrent) {
 		/* operated as 1x1 in full concurrency mode */
 		priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
-				first_antenna(priv->eeprom_data->valid_tx_ant));
+				first_antenna(priv->nvm_data->valid_tx_ant));
 	} else
 		priv->mgmt_tx_ant = iwl_toggle_tx_ant(
 					priv, priv->mgmt_tx_ant,
-					priv->eeprom_data->valid_tx_ant);
+					priv->nvm_data->valid_tx_ant);
 	rate_flags |= iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
 
 	/* Set the rate in the TX cmd */
@@ -305,7 +305,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
 	u8 hdr_len;
 	u16 len, seq_number = 0;
 	u8 sta_id, tid = IWL_MAX_TID_COUNT;
-	bool is_agg = false;
+	bool is_agg = false, is_data_qos = false;
 	int txq_id;
 
 	if (info->control.vif)
@@ -378,9 +378,6 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
 		iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
 	}
 
-	if (info->flags & IEEE80211_TX_CTL_AMPDU)
-		is_agg = true;
-
 	dev_cmd = iwl_trans_alloc_tx_cmd(priv->trans);
 
 	if (unlikely(!dev_cmd))
@@ -442,6 +439,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
 		hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
 		hdr->seq_ctrl |= cpu_to_le16(seq_number);
 		seq_number += 0x10;
+
+		if (info->flags & IEEE80211_TX_CTL_AMPDU)
+			is_agg = true;
+		is_data_qos = true;
 	}
 
 	/* Copy MAC header from skb into command buffer */
@@ -474,8 +475,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
 	if (iwl_trans_tx(priv->trans, skb, dev_cmd, txq_id))
 		goto drop_unlock_sta;
 
-	if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc) &&
-	    !ieee80211_has_morefrags(fc))
+	if (is_data_qos && !ieee80211_has_morefrags(fc))
 		priv->tid_data[sta_id][tid].seq_number = seq_number;
 
 	spin_unlock(&priv->sta_lock);
@@ -1097,29 +1097,6 @@ static void iwl_check_abort_status(struct iwl_priv *priv,
 	}
 }
 
-static int iwl_reclaim(struct iwl_priv *priv, int sta_id, int tid,
-		       int txq_id, int ssn, struct sk_buff_head *skbs)
-{
-	if (unlikely(txq_id >= IWLAGN_FIRST_AMPDU_QUEUE &&
-		     tid != IWL_TID_NON_QOS &&
-		     txq_id != priv->tid_data[sta_id][tid].agg.txq_id)) {
-		/*
-		 * FIXME: this is a uCode bug which need to be addressed,
-		 * log the information and return for now.
-		 * Since it is can possibly happen very often and in order
-		 * not to fill the syslog, don't use IWL_ERR or IWL_WARN
-		 */
-		IWL_DEBUG_TX_QUEUES(priv,
-			"Bad queue mapping txq_id=%d, agg_txq[sta:%d,tid:%d]=%d\n",
-			txq_id, sta_id, tid,
-			priv->tid_data[sta_id][tid].agg.txq_id);
-		return 1;
-	}
-
-	iwl_trans_reclaim(priv->trans, txq_id, ssn, skbs);
-	return 0;
-}
-
 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 			       struct iwl_device_cmd *cmd)
 {
@@ -1181,9 +1158,8 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 						  next_reclaimed);
 		}
 
-		/*we can free until ssn % q.n_bd not inclusive */
-		WARN_ON_ONCE(iwl_reclaim(priv, sta_id, tid,
-					 txq_id, ssn, &skbs));
+		iwl_trans_reclaim(priv->trans, txq_id, ssn, &skbs);
+
 		iwlagn_check_ratid_empty(priv, sta_id, tid);
 		freed = 0;
 
@@ -1308,16 +1284,27 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 		return 0;
 	}
 
+	if (unlikely(scd_flow != agg->txq_id)) {
+		/*
+		 * FIXME: this is a uCode bug which need to be addressed,
+		 * log the information and return for now.
+		 * Since it is can possibly happen very often and in order
+		 * not to fill the syslog, don't use IWL_ERR or IWL_WARN
+		 */
+		IWL_DEBUG_TX_QUEUES(priv,
+				    "Bad queue mapping txq_id=%d, agg_txq[sta:%d,tid:%d]=%d\n",
+				    scd_flow, sta_id, tid, agg->txq_id);
+		spin_unlock(&priv->sta_lock);
+		return 0;
+	}
+
 	__skb_queue_head_init(&reclaimed_skbs);
 
 	/* Release all TFDs before the SSN, i.e. all TFDs in front of
 	 * block-ack window (we assume that they've been successfully
 	 * transmitted ... if not, it's too late anyway). */
-	if (iwl_reclaim(priv, sta_id, tid, scd_flow,
-			ba_resp_scd_ssn, &reclaimed_skbs)) {
-		spin_unlock(&priv->sta_lock);
-		return 0;
-	}
+	iwl_trans_reclaim(priv->trans, scd_flow, ba_resp_scd_ssn,
+			  &reclaimed_skbs);
 
 	IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, "
 			   "sta_id = %d\n",
diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c
index 95e6d33f515..c6467e5554f 100644
--- a/drivers/net/wireless/iwlwifi/dvm/ucode.c
+++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c
@@ -61,7 +61,7 @@ iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type)
 static int iwl_set_Xtal_calib(struct iwl_priv *priv)
 {
 	struct iwl_calib_xtal_freq_cmd cmd;
-	__le16 *xtal_calib = priv->eeprom_data->xtal_calib;
+	__le16 *xtal_calib = priv->nvm_data->xtal_calib;
 
 	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
 	cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
@@ -75,7 +75,7 @@ static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
 
 	memset(&cmd, 0, sizeof(cmd));
 	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
-	cmd.radio_sensor_offset = priv->eeprom_data->raw_temperature;
+	cmd.radio_sensor_offset = priv->nvm_data->raw_temperature;
 	if (!(cmd.radio_sensor_offset))
 		cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;
 
@@ -90,14 +90,14 @@ static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
 
 	memset(&cmd, 0, sizeof(cmd));
 	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
-	cmd.radio_sensor_offset_high = priv->eeprom_data->kelvin_temperature;
-	cmd.radio_sensor_offset_low = priv->eeprom_data->raw_temperature;
+	cmd.radio_sensor_offset_high = priv->nvm_data->kelvin_temperature;
+	cmd.radio_sensor_offset_low = priv->nvm_data->raw_temperature;
 	if (!cmd.radio_sensor_offset_low) {
 		IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
 		cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
 		cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
 	}
-	cmd.burntVoltageRef = priv->eeprom_data->calib_voltage;
+	cmd.burntVoltageRef = priv->nvm_data->calib_voltage;
 
 	IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
 			le16_to_cpu(cmd.radio_sensor_offset_high));
@@ -257,7 +257,7 @@ static int iwl_alive_notify(struct iwl_priv *priv)
 	iwl_trans_fw_alive(priv->trans, 0);
 
 	if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN &&
-	    priv->eeprom_data->sku & EEPROM_SKU_CAP_IPAN_ENABLE) {
+	    priv->nvm_data->sku_cap_ipan_enable) {
 		n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo);
 		queue_to_txf = iwlagn_ipan_queue_to_tx_fifo;
 	} else {
diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h
index 196266aa5a9..864219d2136 100644
--- a/drivers/net/wireless/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/iwlwifi/iwl-config.h
@@ -226,8 +226,8 @@ struct iwl_eeprom_params {
  * @max_data_size: The maximal length of the fw data section
  * @valid_tx_ant: valid transmit antenna
  * @valid_rx_ant: valid receive antenna
- * @eeprom_ver: EEPROM version
- * @eeprom_calib_ver: EEPROM calibration version
+ * @nvm_ver: NVM version
+ * @nvm_calib_ver: NVM calibration version
  * @lib: pointer to the lib ops
  * @base_params: pointer to basic parameters
  * @ht_params: point to ht patameters
@@ -257,8 +257,8 @@ struct iwl_cfg {
 	const u32 max_inst_size;
 	u8   valid_tx_ant;
 	u8   valid_rx_ant;
-	u16  eeprom_ver;
-	u16  eeprom_calib_ver;
+	u16  nvm_ver;
+	u16  nvm_calib_ver;
 	/* params not likely to change within a device family */
 	const struct iwl_base_params *base_params;
 	/* params likely to change within a device family */
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
index b3fde5f7b9b..dc7e26b2f38 100644
--- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
@@ -133,6 +133,40 @@ TRACE_EVENT(iwlwifi_dev_iowrite32,
 		  __get_str(dev), __entry->offs, __entry->val)
 );
 
+TRACE_EVENT(iwlwifi_dev_iowrite_prph32,
+	TP_PROTO(const struct device *dev, u32 offs, u32 val),
+	TP_ARGS(dev, offs, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, offs)
+		__field(u32, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%s] write PRPH[%#x] = %#x)",
+		  __get_str(dev), __entry->offs, __entry->val)
+);
+
+TRACE_EVENT(iwlwifi_dev_ioread_prph32,
+	TP_PROTO(const struct device *dev, u32 offs, u32 val),
+	TP_ARGS(dev, offs, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, offs)
+		__field(u32, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%s] read PRPH[%#x] = %#x",
+		  __get_str(dev), __entry->offs, __entry->val)
+);
+
 TRACE_EVENT(iwlwifi_dev_irq,
 	TP_PROTO(const struct device *dev),
 	TP_ARGS(dev),
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 198634b75ed..d3549f493a1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -1032,6 +1032,7 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
 
 	if (!drv->dbgfs_drv) {
 		IWL_ERR(drv, "failed to create debugfs directory\n");
+		ret = -ENOMEM;
 		goto err_free_drv;
 	}
 
@@ -1040,12 +1041,12 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
 
 	if (!drv->trans->dbgfs_dir) {
 		IWL_ERR(drv, "failed to create transport debugfs directory\n");
+		ret = -ENOMEM;
 		goto err_free_dbgfs;
 	}
 #endif
 
 	ret = iwl_request_firmware(drv, true);
-
 	if (ret) {
 		IWL_ERR(trans, "Couldn't request the fw\n");
 		goto err_fw;
@@ -1060,9 +1061,8 @@ err_free_dbgfs:
 err_free_drv:
 #endif
 	kfree(drv);
-	drv = NULL;
 
-	return drv;
+	return ERR_PTR(ret);
 }
 
 void iwl_drv_stop(struct iwl_drv *drv)
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c
index 4a9dc9629ef..471986690cf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c
@@ -116,6 +116,24 @@ struct iwl_eeprom_calib_hdr {
 #define EEPROM_KELVIN_TEMPERATURE	((2*0x12A) | EEPROM_CALIB_ALL)
 #define EEPROM_RAW_TEMPERATURE		((2*0x12B) | EEPROM_CALIB_ALL)
 
+/* SKU Capabilities (actual values from EEPROM definition) */
+enum eeprom_sku_bits {
+	EEPROM_SKU_CAP_BAND_24GHZ	= BIT(4),
+	EEPROM_SKU_CAP_BAND_52GHZ	= BIT(5),
+	EEPROM_SKU_CAP_11N_ENABLE	= BIT(6),
+	EEPROM_SKU_CAP_AMT_ENABLE	= BIT(7),
+	EEPROM_SKU_CAP_IPAN_ENABLE	= BIT(8)
+};
+
+/* radio config bits (actual values from EEPROM definition) */
+#define EEPROM_RF_CFG_TYPE_MSK(x)   (x & 0x3)         /* bits 0-1   */
+#define EEPROM_RF_CFG_STEP_MSK(x)   ((x >> 2)  & 0x3) /* bits 2-3   */
+#define EEPROM_RF_CFG_DASH_MSK(x)   ((x >> 4)  & 0x3) /* bits 4-5   */
+#define EEPROM_RF_CFG_PNUM_MSK(x)   ((x >> 6)  & 0x3) /* bits 6-7   */
+#define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8)  & 0xF) /* bits 8-11  */
+#define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
+
+
 /*
  * EEPROM bands
  * These are the channel numbers from each band in the order
@@ -251,7 +269,7 @@ static const u8 *iwl_eeprom_query_addr(const u8 *eeprom, size_t eeprom_size,
 }
 
 static int iwl_eeprom_read_calib(const u8 *eeprom, size_t eeprom_size,
-				 struct iwl_eeprom_data *data)
+				 struct iwl_nvm_data *data)
 {
 	struct iwl_eeprom_calib_hdr *hdr;
 
@@ -330,7 +348,7 @@ struct iwl_eeprom_enhanced_txpwr {
 	s8 mimo3_max;
 } __packed;
 
-static s8 iwl_get_max_txpwr_half_dbm(const struct iwl_eeprom_data *data,
+static s8 iwl_get_max_txpwr_half_dbm(const struct iwl_nvm_data *data,
 				     struct iwl_eeprom_enhanced_txpwr *txp)
 {
 	s8 result = 0; /* (.5 dBm) */
@@ -364,7 +382,7 @@ static s8 iwl_get_max_txpwr_half_dbm(const struct iwl_eeprom_data *data,
 	((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) ? # x " " : "")
 
 static void
-iwl_eeprom_enh_txp_read_element(struct iwl_eeprom_data *data,
+iwl_eeprom_enh_txp_read_element(struct iwl_nvm_data *data,
 				struct iwl_eeprom_enhanced_txpwr *txp,
 				int n_channels, s8 max_txpower_avg)
 {
@@ -392,7 +410,7 @@ iwl_eeprom_enh_txp_read_element(struct iwl_eeprom_data *data,
 }
 
 static void iwl_eeprom_enhanced_txpower(struct device *dev,
-					struct iwl_eeprom_data *data,
+					struct iwl_nvm_data *data,
 					const u8 *eeprom, size_t eeprom_size,
 					int n_channels)
 {
@@ -504,7 +522,7 @@ static void iwl_init_band_reference(const struct iwl_cfg *cfg,
 	((eeprom_ch->flags & EEPROM_CHANNEL_##x) ? # x " " : "")
 
 static void iwl_mod_ht40_chan_info(struct device *dev,
-				   struct iwl_eeprom_data *data, int n_channels,
+				   struct iwl_nvm_data *data, int n_channels,
 				   enum ieee80211_band band, u16 channel,
 				   const struct iwl_eeprom_channel *eeprom_ch,
 				   u8 clear_ht40_extension_channel)
@@ -547,7 +565,7 @@ static void iwl_mod_ht40_chan_info(struct device *dev,
 	((eeprom_ch_info[ch_idx].flags & EEPROM_CHANNEL_##x) ? # x " " : "")
 
 static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
-				struct iwl_eeprom_data *data,
+				struct iwl_nvm_data *data,
 				const u8 *eeprom, size_t eeprom_size)
 {
 	int band, ch_idx;
@@ -685,7 +703,7 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
 	return n_channels;
 }
 
-static int iwl_init_sband_channels(struct iwl_eeprom_data *data,
+static int iwl_init_sband_channels(struct iwl_nvm_data *data,
 				   struct ieee80211_supported_band *sband,
 				   int n_channels, enum ieee80211_band band)
 {
@@ -711,7 +729,7 @@ static int iwl_init_sband_channels(struct iwl_eeprom_data *data,
 #define MAX_BIT_RATE_20_MHZ	72 /* Mbps */
 
 static void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg,
-				 struct iwl_eeprom_data *data,
+				 struct iwl_nvm_data *data,
 				 struct ieee80211_sta_ht_cap *ht_info,
 				 enum ieee80211_band band)
 {
@@ -725,7 +743,7 @@ static void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg,
 	else
 		rx_chains = hweight8(data->valid_rx_ant);
 
-	if (!(data->sku & EEPROM_SKU_CAP_11N_ENABLE) || !cfg->ht_params) {
+	if (!(data->sku_cap_11n_enable) || !cfg->ht_params) {
 		ht_info->ht_supported = false;
 		return;
 	}
@@ -773,7 +791,7 @@ static void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg,
 }
 
 static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
-			    struct iwl_eeprom_data *data,
+			    struct iwl_nvm_data *data,
 			    const u8 *eeprom, size_t eeprom_size)
 {
 	int n_channels = iwl_init_channel_map(dev, cfg, data,
@@ -804,12 +822,13 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
 
 /* EEPROM data functions */
 
-struct iwl_eeprom_data *
+struct iwl_nvm_data *
 iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
 		      const u8 *eeprom, size_t eeprom_size)
 {
-	struct iwl_eeprom_data *data;
+	struct iwl_nvm_data *data;
 	const void *tmp;
+	u16 radio_cfg, sku;
 
 	if (WARN_ON(!cfg || !cfg->eeprom_params))
 		return NULL;
@@ -849,18 +868,27 @@ iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
 	data->kelvin_temperature = *(__le16 *)tmp;
 	data->kelvin_voltage = *((__le16 *)tmp + 1);
 
-	data->radio_cfg = iwl_eeprom_query16(eeprom, eeprom_size,
+	radio_cfg = iwl_eeprom_query16(eeprom, eeprom_size,
 					     EEPROM_RADIO_CONFIG);
-	data->sku = iwl_eeprom_query16(eeprom, eeprom_size,
-				       EEPROM_SKU_CAP);
+	data->radio_cfg_dash = EEPROM_RF_CFG_DASH_MSK(radio_cfg);
+	data->radio_cfg_pnum = EEPROM_RF_CFG_PNUM_MSK(radio_cfg);
+	data->radio_cfg_step = EEPROM_RF_CFG_STEP_MSK(radio_cfg);
+	data->radio_cfg_type = EEPROM_RF_CFG_TYPE_MSK(radio_cfg);
+	data->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg);
+	data->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
+
+	sku = iwl_eeprom_query16(eeprom, eeprom_size,
+				 EEPROM_SKU_CAP);
+	data->sku_cap_11n_enable = sku & EEPROM_SKU_CAP_11N_ENABLE;
+	data->sku_cap_amt_enable = sku & EEPROM_SKU_CAP_AMT_ENABLE;
+	data->sku_cap_band_24GHz_enable = sku & EEPROM_SKU_CAP_BAND_24GHZ;
+	data->sku_cap_band_52GHz_enable = sku & EEPROM_SKU_CAP_BAND_52GHZ;
+	data->sku_cap_ipan_enable = sku & EEPROM_SKU_CAP_IPAN_ENABLE;
 	if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
-		data->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
-
-	data->eeprom_version = iwl_eeprom_query16(eeprom, eeprom_size,
-						  EEPROM_VERSION);
+		data->sku_cap_11n_enable = false;
 
-	data->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(data->radio_cfg);
-	data->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(data->radio_cfg);
+	data->nvm_version = iwl_eeprom_query16(eeprom, eeprom_size,
+					       EEPROM_VERSION);
 
 	/* check overrides (some devices have wrong EEPROM) */
 	if (cfg->valid_tx_ant)
@@ -884,20 +912,20 @@ iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
 EXPORT_SYMBOL_GPL(iwl_parse_eeprom_data);
 
 /* helper functions */
-int iwl_eeprom_check_version(struct iwl_eeprom_data *data,
+int iwl_nvm_check_version(struct iwl_nvm_data *data,
 			     struct iwl_trans *trans)
 {
-	if (data->eeprom_version >= trans->cfg->eeprom_ver ||
-	    data->calib_version >= trans->cfg->eeprom_calib_ver) {
+	if (data->nvm_version >= trans->cfg->nvm_ver ||
+	    data->calib_version >= trans->cfg->nvm_calib_ver) {
 		IWL_DEBUG_INFO(trans, "device EEPROM VER=0x%x, CALIB=0x%x\n",
-			       data->eeprom_version, data->calib_version);
+			       data->nvm_version, data->calib_version);
 		return 0;
 	}
 
 	IWL_ERR(trans,
 		"Unsupported (too old) EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
-		data->eeprom_version, trans->cfg->eeprom_ver,
-		data->calib_version,  trans->cfg->eeprom_calib_ver);
+		data->nvm_version, trans->cfg->nvm_ver,
+		data->calib_version,  trans->cfg->nvm_calib_ver);
 	return -EINVAL;
 }
-EXPORT_SYMBOL_GPL(iwl_eeprom_check_version);
+EXPORT_SYMBOL_GPL(iwl_nvm_check_version);
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h
index a5e425718f5..555f0eb61d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h
@@ -66,22 +66,7 @@
 #include <linux/if_ether.h>
 #include "iwl-trans.h"
 
-/* SKU Capabilities (actual values from EEPROM definition) */
-#define EEPROM_SKU_CAP_BAND_24GHZ	(1 << 4)
-#define EEPROM_SKU_CAP_BAND_52GHZ	(1 << 5)
-#define EEPROM_SKU_CAP_11N_ENABLE	(1 << 6)
-#define EEPROM_SKU_CAP_AMT_ENABLE	(1 << 7)
-#define EEPROM_SKU_CAP_IPAN_ENABLE	(1 << 8)
-
-/* radio config bits (actual values from EEPROM definition) */
-#define EEPROM_RF_CFG_TYPE_MSK(x)   (x & 0x3)         /* bits 0-1   */
-#define EEPROM_RF_CFG_STEP_MSK(x)   ((x >> 2)  & 0x3) /* bits 2-3   */
-#define EEPROM_RF_CFG_DASH_MSK(x)   ((x >> 4)  & 0x3) /* bits 4-5   */
-#define EEPROM_RF_CFG_PNUM_MSK(x)   ((x >> 6)  & 0x3) /* bits 6-7   */
-#define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8)  & 0xF) /* bits 8-11  */
-#define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
-
-struct iwl_eeprom_data {
+struct iwl_nvm_data {
 	int n_hw_addrs;
 	u8 hw_addr[ETH_ALEN];
 
@@ -93,13 +78,21 @@ struct iwl_eeprom_data {
 	__le16 kelvin_voltage;
 	__le16 xtal_calib[2];
 
-	u16 sku;
-	u16 radio_cfg;
-	u16 eeprom_version;
-	s8 max_tx_pwr_half_dbm;
+	bool sku_cap_band_24GHz_enable;
+	bool sku_cap_band_52GHz_enable;
+	bool sku_cap_11n_enable;
+	bool sku_cap_amt_enable;
+	bool sku_cap_ipan_enable;
 
+	u8 radio_cfg_type;
+	u8 radio_cfg_step;
+	u8 radio_cfg_dash;
+	u8 radio_cfg_pnum;
 	u8 valid_tx_ant, valid_rx_ant;
 
+	u16 nvm_version;
+	s8 max_tx_pwr_half_dbm;
+
 	struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
 	struct ieee80211_channel channels[];
 };
@@ -115,22 +108,22 @@ struct iwl_eeprom_data {
  * This function parses all EEPROM values we need and then
  * returns a (newly allocated) struct containing all the
  * relevant values for driver use. The struct must be freed
- * later with iwl_free_eeprom_data().
+ * later with iwl_free_nvm_data().
  */
-struct iwl_eeprom_data *
+struct iwl_nvm_data *
 iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
 		      const u8 *eeprom, size_t eeprom_size);
 
 /**
- * iwl_free_eeprom_data - free EEPROM data
+ * iwl_free_nvm_data - free NVM data
  * @data: the data to free
  */
-static inline void iwl_free_eeprom_data(struct iwl_eeprom_data *data)
+static inline void iwl_free_nvm_data(struct iwl_nvm_data *data)
 {
 	kfree(data);
 }
 
-int iwl_eeprom_check_version(struct iwl_eeprom_data *data,
-			     struct iwl_trans *trans);
+int iwl_nvm_check_version(struct iwl_nvm_data *data,
+			  struct iwl_trans *trans);
 
 #endif /* __iwl_eeprom_parse_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c
index 54c41b44bff..cdaff957205 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.c
+++ b/drivers/net/wireless/iwlwifi/iwl-io.c
@@ -214,84 +214,84 @@ int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
 }
 EXPORT_SYMBOL_GPL(iwl_poll_direct_bit);
 
-static inline u32 __iwl_read_prph(struct iwl_trans *trans, u32 reg)
+static inline u32 __iwl_read_prph(struct iwl_trans *trans, u32 ofs)
 {
-	iwl_write32(trans, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
-	return iwl_read32(trans, HBUS_TARG_PRPH_RDAT);
+	u32 val = iwl_trans_read_prph(trans, ofs);
+	trace_iwlwifi_dev_ioread_prph32(trans->dev, ofs, val);
+	return val;
 }
 
-static inline void __iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val)
+static inline void __iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
 {
-	iwl_write32(trans, HBUS_TARG_PRPH_WADDR,
-		    ((addr & 0x0000FFFF) | (3 << 24)));
-	iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val);
+	trace_iwlwifi_dev_iowrite_prph32(trans->dev, ofs, val);
+	iwl_trans_write_prph(trans, ofs, val);
 }
 
-u32 iwl_read_prph(struct iwl_trans *trans, u32 reg)
+u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs)
 {
 	unsigned long flags;
 	u32 val;
 
 	spin_lock_irqsave(&trans->reg_lock, flags);
 	iwl_grab_nic_access(trans);
-	val = __iwl_read_prph(trans, reg);
+	val = __iwl_read_prph(trans, ofs);
 	iwl_release_nic_access(trans);
 	spin_unlock_irqrestore(&trans->reg_lock, flags);
 	return val;
 }
 EXPORT_SYMBOL_GPL(iwl_read_prph);
 
-void iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val)
+void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
 {
 	unsigned long flags;
 
 	spin_lock_irqsave(&trans->reg_lock, flags);
 	if (likely(iwl_grab_nic_access(trans))) {
-		__iwl_write_prph(trans, addr, val);
+		__iwl_write_prph(trans, ofs, val);
 		iwl_release_nic_access(trans);
 	}
 	spin_unlock_irqrestore(&trans->reg_lock, flags);
 }
 EXPORT_SYMBOL_GPL(iwl_write_prph);
 
-void iwl_set_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask)
+void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask)
 {
 	unsigned long flags;
 
 	spin_lock_irqsave(&trans->reg_lock, flags);
 	if (likely(iwl_grab_nic_access(trans))) {
-		__iwl_write_prph(trans, reg,
-				 __iwl_read_prph(trans, reg) | mask);
+		__iwl_write_prph(trans, ofs,
+				 __iwl_read_prph(trans, ofs) | mask);
 		iwl_release_nic_access(trans);
 	}
 	spin_unlock_irqrestore(&trans->reg_lock, flags);
 }
 EXPORT_SYMBOL_GPL(iwl_set_bits_prph);
 
-void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 reg,
+void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
 			    u32 bits, u32 mask)
 {
 	unsigned long flags;
 
 	spin_lock_irqsave(&trans->reg_lock, flags);
 	if (likely(iwl_grab_nic_access(trans))) {
-		__iwl_write_prph(trans, reg,
-				 (__iwl_read_prph(trans, reg) & mask) | bits);
+		__iwl_write_prph(trans, ofs,
+				 (__iwl_read_prph(trans, ofs) & mask) | bits);
 		iwl_release_nic_access(trans);
 	}
 	spin_unlock_irqrestore(&trans->reg_lock, flags);
 }
 EXPORT_SYMBOL_GPL(iwl_set_bits_mask_prph);
 
-void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask)
+void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask)
 {
 	unsigned long flags;
 	u32 val;
 
 	spin_lock_irqsave(&trans->reg_lock, flags);
 	if (likely(iwl_grab_nic_access(trans))) {
-		val = __iwl_read_prph(trans, reg);
-		__iwl_write_prph(trans, reg, (val & ~mask));
+		val = __iwl_read_prph(trans, ofs);
+		__iwl_write_prph(trans, ofs, (val & ~mask));
 		iwl_release_nic_access(trans);
 	}
 	spin_unlock_irqrestore(&trans->reg_lock, flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h
index e1aa69f66de..48dc753e374 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-io.h
@@ -69,12 +69,12 @@ u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
 void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
 
 
-u32 iwl_read_prph(struct iwl_trans *trans, u32 reg);
-void iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val);
-void iwl_set_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
-void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 reg,
+u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs);
+void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val);
+void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
+void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
 			    u32 bits, u32 mask);
-void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
+void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
 
 void _iwl_read_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
 			       void *buf, int dwords);
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index e378ea6dca9..b76532e238c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -385,6 +385,8 @@ struct iwl_trans;
  * @write8: write a u8 to a register at offset ofs from the BAR
  * @write32: write a u32 to a register at offset ofs from the BAR
  * @read32: read a u32 register at offset ofs from the BAR
+ * @read_prph: read a DWORD from a periphery register
+ * @write_prph: write a DWORD to a periphery register
  * @configure: configure parameters required by the transport layer from
  *	the op_mode. May be called several times before start_fw, can't be
  *	called after that.
@@ -420,6 +422,8 @@ struct iwl_trans_ops {
 	void (*write8)(struct iwl_trans *trans, u32 ofs, u8 val);
 	void (*write32)(struct iwl_trans *trans, u32 ofs, u32 val);
 	u32 (*read32)(struct iwl_trans *trans, u32 ofs);
+	u32 (*read_prph)(struct iwl_trans *trans, u32 ofs);
+	void (*write_prph)(struct iwl_trans *trans, u32 ofs, u32 val);
 	void (*configure)(struct iwl_trans *trans,
 			  const struct iwl_trans_config *trans_cfg);
 	void (*set_pmi)(struct iwl_trans *trans, bool state);
@@ -489,10 +493,6 @@ struct iwl_trans {
 static inline void iwl_trans_configure(struct iwl_trans *trans,
 				       const struct iwl_trans_config *trans_cfg)
 {
-	/*
-	 * only set the op_mode for the moment. Later on, this function will do
-	 * more
-	 */
 	trans->op_mode = trans_cfg->op_mode;
 
 	trans->ops->configure(trans, trans_cfg);
@@ -512,6 +512,9 @@ static inline void iwl_trans_stop_hw(struct iwl_trans *trans,
 
 	trans->ops->stop_hw(trans, op_mode_leaving);
 
+	if (op_mode_leaving)
+		trans->op_mode = NULL;
+
 	trans->state = IWL_TRANS_NO_FW;
 }
 
@@ -665,6 +668,17 @@ static inline u32 iwl_trans_read32(struct iwl_trans *trans, u32 ofs)
 	return trans->ops->read32(trans, ofs);
 }
 
+static inline u32 iwl_trans_read_prph(struct iwl_trans *trans, u32 ofs)
+{
+	return trans->ops->read_prph(trans, ofs);
+}
+
+static inline void iwl_trans_write_prph(struct iwl_trans *trans, u32 ofs,
+					u32 val)
+{
+	return trans->ops->write_prph(trans, ofs, val);
+}
+
 static inline void iwl_trans_set_pmi(struct iwl_trans *trans, bool state)
 {
 	trans->ops->set_pmi(trans, state);
diff --git a/drivers/net/wireless/iwlwifi/pcie/1000.c b/drivers/net/wireless/iwlwifi/pcie/1000.c
index 81b83f484f0..f8620ecae6b 100644
--- a/drivers/net/wireless/iwlwifi/pcie/1000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/1000.c
@@ -94,8 +94,8 @@ static const struct iwl_eeprom_params iwl1000_eeprom_params = {
 	.device_family = IWL_DEVICE_FAMILY_1000,		\
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,			\
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_1000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\
 	.base_params = &iwl1000_base_params,			\
 	.eeprom_params = &iwl1000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK
@@ -119,8 +119,8 @@ const struct iwl_cfg iwl1000_bg_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_100,			\
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,			\
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_1000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\
 	.base_params = &iwl1000_base_params,			\
 	.eeprom_params = &iwl1000_eeprom_params,		\
 	.led_mode = IWL_LED_RF_STATE,				\
diff --git a/drivers/net/wireless/iwlwifi/pcie/2000.c b/drivers/net/wireless/iwlwifi/pcie/2000.c
index 9fbde32f755..244019cec3e 100644
--- a/drivers/net/wireless/iwlwifi/pcie/2000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/2000.c
@@ -138,8 +138,8 @@ static const struct iwl_eeprom_params iwl20x0_eeprom_params = {
 	.device_family = IWL_DEVICE_FAMILY_2000,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
 	.base_params = &iwl2000_base_params,			\
 	.eeprom_params = &iwl20x0_eeprom_params,		\
 	.need_temp_offset_calib = true,				\
@@ -166,8 +166,8 @@ const struct iwl_cfg iwl2000_2bgn_d_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_2030,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
 	.base_params = &iwl2030_base_params,			\
 	.bt_params = &iwl2030_bt_params,			\
 	.eeprom_params = &iwl20x0_eeprom_params,		\
@@ -190,8 +190,8 @@ const struct iwl_cfg iwl2030_2bgn_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_105,			\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
 	.base_params = &iwl2000_base_params,			\
 	.eeprom_params = &iwl20x0_eeprom_params,		\
 	.need_temp_offset_calib = true,				\
@@ -220,8 +220,8 @@ const struct iwl_cfg iwl105_bgn_d_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_135,			\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
 	.base_params = &iwl2030_base_params,			\
 	.bt_params = &iwl2030_bt_params,			\
 	.eeprom_params = &iwl20x0_eeprom_params,		\
diff --git a/drivers/net/wireless/iwlwifi/pcie/5000.c b/drivers/net/wireless/iwlwifi/pcie/5000.c
index d1665fa6d15..83ca40321ff 100644
--- a/drivers/net/wireless/iwlwifi/pcie/5000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/5000.c
@@ -92,8 +92,8 @@ static const struct iwl_eeprom_params iwl5000_eeprom_params = {
 	.device_family = IWL_DEVICE_FAMILY_5000,		\
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,			\
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_5000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_5000_TX_POWER_VERSION,	\
 	.base_params = &iwl5000_base_params,			\
 	.eeprom_params = &iwl5000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK
@@ -139,8 +139,8 @@ const struct iwl_cfg iwl5350_agn_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_5000,
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,
-	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
+	.nvm_ver = EEPROM_5050_EEPROM_VERSION,
+	.nvm_calib_ver = EEPROM_5050_TX_POWER_VERSION,
 	.base_params = &iwl5000_base_params,
 	.eeprom_params = &iwl5000_eeprom_params,
 	.ht_params = &iwl5000_ht_params,
@@ -156,8 +156,8 @@ const struct iwl_cfg iwl5350_agn_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_5150,		\
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,			\
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_5050_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_5050_TX_POWER_VERSION,	\
 	.base_params = &iwl5000_base_params,			\
 	.eeprom_params = &iwl5000_eeprom_params,		\
 	.no_xtal_calib = true,					\
diff --git a/drivers/net/wireless/iwlwifi/pcie/6000.c b/drivers/net/wireless/iwlwifi/pcie/6000.c
index 4a57624afc4..d4df976d470 100644
--- a/drivers/net/wireless/iwlwifi/pcie/6000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/6000.c
@@ -160,8 +160,8 @@ static const struct iwl_eeprom_params iwl6000_eeprom_params = {
 	.device_family = IWL_DEVICE_FAMILY_6005,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_6005_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6005_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6005_TX_POWER_VERSION,	\
 	.base_params = &iwl6000_g2_base_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
 	.need_temp_offset_calib = true,				\
@@ -215,8 +215,8 @@ const struct iwl_cfg iwl6005_2agn_mow2_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_6030,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_6030_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6030_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
 	.base_params = &iwl6000_g2_base_params,			\
 	.bt_params = &iwl6000_bt_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
@@ -254,8 +254,8 @@ const struct iwl_cfg iwl6030_2bg_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_6030,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_6030_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6030_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
 	.base_params = &iwl6000_g2_base_params,			\
 	.bt_params = &iwl6000_bt_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
@@ -306,8 +306,8 @@ const struct iwl_cfg iwl130_bg_cfg = {
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
 	.valid_tx_ant = ANT_BC,		/* .cfg overwrite */	\
 	.valid_rx_ant = ANT_BC,		/* .cfg overwrite */	\
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6000_TX_POWER_VERSION,	\
 	.base_params = &iwl6000_base_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK
@@ -337,8 +337,8 @@ const struct iwl_cfg iwl6000i_2bg_cfg = {
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
 	.valid_tx_ant = ANT_AB,		/* .cfg overwrite */	\
 	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */	\
-	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6050_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6050_TX_POWER_VERSION,	\
 	.base_params = &iwl6050_base_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK,				\
@@ -362,8 +362,8 @@ const struct iwl_cfg iwl6050_2abg_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_6150,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_6150_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6150_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6150_TX_POWER_VERSION,	\
 	.base_params = &iwl6050_base_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK,				\
@@ -389,8 +389,8 @@ const struct iwl_cfg iwl6000_3agn_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_6000,
 	.max_inst_size = IWL60_RTC_INST_SIZE,
 	.max_data_size = IWL60_RTC_DATA_SIZE,
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
+	.nvm_ver = EEPROM_6000_EEPROM_VERSION,
+	.nvm_calib_ver = EEPROM_6000_TX_POWER_VERSION,
 	.base_params = &iwl6000_base_params,
 	.eeprom_params = &iwl6000_eeprom_params,
 	.ht_params = &iwl6000_ht_params,
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index 2b7e8a0b1cd..c2e141af353 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -267,6 +267,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	const struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
 	struct iwl_trans *iwl_trans;
 	struct iwl_trans_pcie *trans_pcie;
+	int ret;
 
 	iwl_trans = iwl_trans_pcie_alloc(pdev, ent, cfg);
 	if (iwl_trans == NULL)
@@ -276,11 +277,15 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
 	trans_pcie->drv = iwl_drv_start(iwl_trans, cfg);
-	if (!trans_pcie->drv)
+
+	if (IS_ERR_OR_NULL(trans_pcie->drv)) {
+		ret = PTR_ERR(trans_pcie->drv);
 		goto out_free_trans;
+	}
 
 	/* register transport layer debugfs here */
-	if (iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir))
+	ret = iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir);
+	if (ret)
 		goto out_free_drv;
 
 	return 0;
@@ -290,7 +295,7 @@ out_free_drv:
 out_free_trans:
 	iwl_trans_pcie_free(iwl_trans);
 	pci_set_drvdata(pdev, NULL);
-	return -EFAULT;
+	return ret;
 }
 
 static void iwl_pci_remove(struct pci_dev *pdev)
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index bb32510fdd6..dad4c4aad91 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -717,7 +717,7 @@ static void iwl_pcie_rx_handle(struct iwl_trans *trans)
 
 	/* uCode's read index (stored in shared DRAM) indicates the last Rx
 	 * buffer that the driver may process (last buffer filled by ucode). */
-	r = le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF;
+	r = le16_to_cpu(ACCESS_ONCE(rxq->rb_stts->closed_rb_num)) & 0x0FFF;
 	i = rxq->read;
 
 	/* Rx interrupt, but nothing sent from uCode */
@@ -1122,12 +1122,20 @@ static irqreturn_t iwl_pcie_isr(int irq, void *data)
 	 *    back-to-back ISRs and sporadic interrupts from our NIC.
 	 * If we have something to service, the tasklet will re-enable ints.
 	 * If we *don't* have something, we'll re-enable before leaving here. */
-	inta_mask = iwl_read32(trans, CSR_INT_MASK);  /* just for debug */
+	inta_mask = iwl_read32(trans, CSR_INT_MASK);
 	iwl_write32(trans, CSR_INT_MASK, 0x00000000);
 
 	/* Discover which interrupts are active/pending */
 	inta = iwl_read32(trans, CSR_INT);
 
+	if (inta & (~inta_mask)) {
+		IWL_DEBUG_ISR(trans,
+			      "We got a masked interrupt (0x%08x)...Ack and ignore\n",
+			      inta & (~inta_mask));
+		iwl_write32(trans, CSR_INT, inta & (~inta_mask));
+		inta &= inta_mask;
+	}
+
 	/* Ignore interrupt if there's nothing in NIC to service.
 	 * This may be due to IRQ shared with another device,
 	 * or due to sporadic interrupts thrown from our NIC. */
@@ -1209,7 +1217,7 @@ irqreturn_t iwl_pcie_isr_ict(int irq, void *data)
 	 * If we have something to service, the tasklet will re-enable ints.
 	 * If we *don't* have something, we'll re-enable before leaving here.
 	 */
-	inta_mask = iwl_read32(trans, CSR_INT_MASK);  /* just for debug */
+	inta_mask = iwl_read32(trans, CSR_INT_MASK);
 	iwl_write32(trans, CSR_INT_MASK, 0x00000000);
 
 	/* Ignore interrupt if there's nothing in NIC to service.
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index f6c21e7edaf..d66cad4a7d6 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -633,6 +633,8 @@ static void iwl_trans_pcie_stop_hw(struct iwl_trans *trans,
 	iwl_disable_interrupts(trans);
 	spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
 
+	iwl_pcie_disable_ict(trans);
+
 	if (!op_mode_leaving) {
 		/*
 		 * Even if we stop the HW, we still want the RF kill
@@ -666,6 +668,20 @@ static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs)
 	return readl(IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
 }
 
+static u32 iwl_trans_pcie_read_prph(struct iwl_trans *trans, u32 reg)
+{
+	iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
+	return iwl_trans_pcie_read32(trans, HBUS_TARG_PRPH_RDAT);
+}
+
+static void iwl_trans_pcie_write_prph(struct iwl_trans *trans, u32 addr,
+				      u32 val)
+{
+	iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_WADDR,
+			       ((addr & 0x0000FFFF) | (3 << 24)));
+	iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_WDAT, val);
+}
+
 static void iwl_trans_pcie_configure(struct iwl_trans *trans,
 				     const struct iwl_trans_config *trans_cfg)
 {
@@ -1221,6 +1237,8 @@ static const struct iwl_trans_ops trans_ops_pcie = {
 	.write8 = iwl_trans_pcie_write8,
 	.write32 = iwl_trans_pcie_write32,
 	.read32 = iwl_trans_pcie_read32,
+	.read_prph = iwl_trans_pcie_read_prph,
+	.write_prph = iwl_trans_pcie_write_prph,
 	.configure = iwl_trans_pcie_configure,
 	.set_pmi = iwl_trans_pcie_set_pmi,
 };