iwl3945: add iwl3945_setup_mac

Patch does following,
1) mac80211's shared data is now initialized in iwl3945_setup_mac.
2) Set the rfkill to right state after initialization
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -5008,19 +5008,53 @@ static int iwl3945_init_drv(struct iwl_priv *priv)
 	}
 	iwl3945_init_hw_rates(priv, priv->ieee_rates);
 
+	return 0;
+
+err_free_channel_map:
+	iwl_free_channel_map(priv);
+err:
+	return ret;
+}
+
+static int iwl3945_setup_mac(struct iwl_priv *priv)
+{
+	int ret;
+	struct ieee80211_hw *hw = priv->hw;
+
+	hw->rate_control_algorithm = "iwl-3945-rs";
+	hw->sta_data_size = sizeof(struct iwl3945_sta_priv);
+
+	/* Tell mac80211 our characteristics */
+	hw->flags = IEEE80211_HW_SIGNAL_DBM |
+		    IEEE80211_HW_NOISE_DBM;
+
+	hw->wiphy->interface_modes =
+		BIT(NL80211_IFTYPE_STATION) |
+		BIT(NL80211_IFTYPE_ADHOC);
+
+	hw->wiphy->custom_regulatory = true;
+
+	/* Default value; 4 EDCA QOS priorities */
+	hw->queues = 4;
+
+	hw->conf.beacon_int = 100;
+
 	if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
 		priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
 			&priv->bands[IEEE80211_BAND_2GHZ];
+
 	if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
 		priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
 			&priv->bands[IEEE80211_BAND_5GHZ];
 
-	return 0;
-
-err_free_channel_map:
-	iwl_free_channel_map(priv);
-err:
+	ret = ieee80211_register_hw(priv->hw);
+	if (ret) {
+		IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
 		return ret;
+	}
+	priv->mac80211_registered = 1;
+
+	return 0;
 }
 
 static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
@@ -5074,23 +5108,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	priv->debug_level = iwl3945_mod_params.debug;
 	atomic_set(&priv->restrict_refcnt, 0);
 #endif
-	hw->rate_control_algorithm = "iwl-3945-rs";
-	hw->sta_data_size = sizeof(struct iwl3945_sta_priv);
-
-	/* Tell mac80211 our characteristics */
-	hw->flags = IEEE80211_HW_SIGNAL_DBM |
-		    IEEE80211_HW_NOISE_DBM;
-
-	hw->wiphy->interface_modes =
-		BIT(NL80211_IFTYPE_STATION) |
-		BIT(NL80211_IFTYPE_ADHOC);
-
-	hw->wiphy->custom_regulatory = true;
-
-	hw->wiphy->max_scan_ssids = 1;
-
-	/* 4 EDCA QOS priorities */
-	hw->queues = 4;
 
 	/***************************
 	 * 2. Initializing PCI bus
@@ -5221,19 +5238,18 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	 * 9. Setup and Register mac80211
 	 * *******************************/
 
-	err = ieee80211_register_hw(priv->hw);
-	if (err) {
-		IWL_ERR(priv, "Failed to register network device: %d\n", err);
-		goto  out_remove_sysfs;
-	}
+	iwl_enable_interrupts(priv);
 
-	priv->hw->conf.beacon_int = 100;
-	priv->mac80211_registered = 1;
+	err = iwl3945_setup_mac(priv);
+	if (err)
+		goto  out_remove_sysfs;
 
 	err = iwl_rfkill_init(priv);
 	if (err)
 		IWL_ERR(priv, "Unable to initialize RFKILL system. "
 				  "Ignoring error: %d\n", err);
+	else
+		iwl_rfkill_set_hw_state(priv);
 
 	/* Start monitoring the killswitch */
 	queue_delayed_work(priv->workqueue, &priv->rfkill_poll,