diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 08345b97cb4c9e610c640a11fd3510d7619da803..104fd95dfad6ba0424d185ef4e14ef82925beeee 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2398,25 +2398,6 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 
 	iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD);
 
-	iwl_conf->supported_chan_width =
-		!!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
-
-	/*
-	 * XXX: The HT configuration needs to be moved into iwl_mac_config()
-	 *	to be done there correctly.
-	 */
-
-	iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
-	if (conf_is_ht40_minus(&priv->hw->conf))
-		iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-	else if (conf_is_ht40_plus(&priv->hw->conf))
-		iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-
-	/* If no above or below channel supplied disable HT40 channel */
-	if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE &&
-	    iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW)
-		iwl_conf->supported_chan_width = 0;
-
 	iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2);
 
 	memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16);
@@ -2733,6 +2714,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 	struct iwl_priv *priv = hw->priv;
 	const struct iwl_channel_info *ch_info;
 	struct ieee80211_conf *conf = &hw->conf;
+	struct iwl_ht_info *ht_conf = &priv->current_ht_config;
 	unsigned long flags = 0;
 	int ret = 0;
 	u16 ch;
@@ -2774,10 +2756,32 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 			goto set_ch_out;
 		}
 
-		priv->current_ht_config.is_ht = conf_is_ht(conf);
-
 		spin_lock_irqsave(&priv->lock, flags);
 
+		/* Configure HT40 channels */
+		ht_conf->is_ht = conf_is_ht(conf);
+		if (ht_conf->is_ht) {
+			if (conf_is_ht40_minus(conf)) {
+				ht_conf->extension_chan_offset =
+					IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+				ht_conf->supported_chan_width =
+					IWL_CHANNEL_WIDTH_40MHZ;
+			} else if (conf_is_ht40_plus(conf)) {
+				ht_conf->extension_chan_offset =
+					IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+				ht_conf->supported_chan_width =
+					IWL_CHANNEL_WIDTH_40MHZ;
+			} else {
+				ht_conf->extension_chan_offset =
+					IEEE80211_HT_PARAM_CHA_SEC_NONE;
+				ht_conf->supported_chan_width =
+					IWL_CHANNEL_WIDTH_20MHZ;
+			}
+		} else
+			ht_conf->supported_chan_width = IWL_CHANNEL_WIDTH_20MHZ;
+		/* Default to no protection. Protection mode will later be set
+		 * from BSS config in iwl_ht_conf */
+		ht_conf->ht_protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
 
 		/* if we are switching from ht to 2.4 clear flags
 		 * from any ht related info since 2.4 does not