staging: wilc1000: remove inetaddr notifier

Driver registers an inetaddr notifier to disable powersave while the ip
address is being obtained which should be controlled only by cfg80211.
Signed-off-by: Adham Abozaeid <adham.abozaeid@microchip.com>
Link: https://lore.kernel.org/r/20190725213125.2810-2-adham.abozaeid@microchip.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_netdev.c

@@ -504,12 +504,6 @@ static int wlan_initialize_threads(struct net_device *dev)
 	return 0;
 }
 
-static int dev_state_ev_handler(struct notifier_block *this,
-				unsigned long event, void *ptr);
-static struct notifier_block g_dev_notifier = {
-	.notifier_call = dev_state_ev_handler
-};
-
 static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif)
 {
 	int ret = 0;
@@ -575,7 +569,6 @@ static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif)
 			ret = -EIO;
 			goto fail_fw_start;
 		}
-		register_inetaddr_notifier(&g_dev_notifier);
 		wl->initialized = true;
 		return 0;
 
@@ -781,7 +774,6 @@ static int wilc_mac_close(struct net_device *ndev)
 	if (wl->open_ifcs == 0) {
 		netdev_dbg(ndev, "Deinitializing wilc1000\n");
 		wl->close = 1;
-		unregister_inetaddr_notifier(&g_dev_notifier);
 		wilc_wlan_deinitialize(ndev);
 	}
 
@@ -864,63 +856,6 @@ static const struct net_device_ops wilc_netdev_ops = {
 	.ndo_set_rx_mode  = wilc_set_multicast_list,
 };
 
-static int dev_state_ev_handler(struct notifier_block *this,
-				unsigned long event, void *ptr)
-{
-	struct in_ifaddr *dev_iface = ptr;
-	struct wilc_priv *priv;
-	struct host_if_drv *hif_drv;
-	struct net_device *dev;
-	struct wilc_vif *vif;
-
-	if (!dev_iface || !dev_iface->ifa_dev || !dev_iface->ifa_dev->dev)
-		return NOTIFY_DONE;
-
-	dev  = (struct net_device *)dev_iface->ifa_dev->dev;
-	if (dev->netdev_ops != &wilc_netdev_ops)
-		return NOTIFY_DONE;
-
-	if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
-		return NOTIFY_DONE;
-
-	vif = netdev_priv(dev);
-	priv = &vif->priv;
-
-	hif_drv = (struct host_if_drv *)priv->hif_drv;
-
-	switch (event) {
-	case NETDEV_UP:
-		if (vif->iftype == WILC_STATION_MODE ||
-		    vif->iftype == WILC_CLIENT_MODE) {
-			hif_drv->ifc_up = 1;
-			vif->obtaining_ip = false;
-			del_timer(&vif->during_ip_timer);
-		}
-
-		if (vif->wilc->enable_ps)
-			wilc_set_power_mgmt(vif, 1, 0);
-
-		break;
-
-	case NETDEV_DOWN:
-		if (vif->iftype == WILC_STATION_MODE ||
-		    vif->iftype == WILC_CLIENT_MODE) {
-			hif_drv->ifc_up = 0;
-			vif->obtaining_ip = false;
-			wilc_set_power_mgmt(vif, 0, 0);
-		}
-
-		wilc_resolve_disconnect_aberration(vif);
-
-		break;
-
-	default:
-		break;
-	}
-
-	return NOTIFY_DONE;
-}
-
 void wilc_netdev_cleanup(struct wilc *wilc)
 {
 	int i;