staging: wilc1000: avoid overriding powersave state

Don't override powersave state with respect to the open interfaces and
let the firmware take care of when it's appropriate to do so
Signed-off-by: Adham Abozaeid <adham.abozaeid@microchip.com>
Link: https://lore.kernel.org/r/20190725213125.2810-5-adham.abozaeid@microchip.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_hif.c

@@ -679,8 +679,6 @@ static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif,
 	if (mac_status == WILC_MAC_STATUS_CONNECTED &&
 	    conn_info->status == WLAN_STATUS_SUCCESS) {
 		ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid);
-		wilc_set_power_mgmt(vif, 0, 0);
-
 		hif_drv->hif_state = HOST_IF_CONNECTED;
 	} else {
 		hif_drv->hif_state = HOST_IF_IDLE;
@@ -704,14 +702,11 @@ static inline void host_int_handle_disconnect(struct wilc_vif *vif)
 		handle_scan_done(vif, SCAN_EVENT_ABORTED);
 	}
 
-	if (hif_drv->conn_info.conn_result) {
-		wilc_set_power_mgmt(vif, 0, 0);
-
+	if (hif_drv->conn_info.conn_result)
 		hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
 					       0, hif_drv->conn_info.arg);
-	} else {
+	else
 		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
-	}
 
 	eth_zero_addr(hif_drv->assoc_bssid);
 
@@ -767,8 +762,6 @@ int wilc_disconnect(struct wilc_vif *vif)
 	wid.val = (s8 *)&dummy_reason_code;
 	wid.size = sizeof(char);
 
-	wilc_set_power_mgmt(vif, 0, 0);
-
 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 	if (result) {
 		netdev_err(vif->ndev, "Failed to send disconnect\n");

drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

@@ -1393,8 +1393,7 @@ static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
 	if (!priv->hif_drv)
 		return -EIO;
 
-	if (vif->wilc->enable_ps)
-		wilc_set_power_mgmt(vif, enabled, timeout);
+	wilc_set_power_mgmt(vif, enabled, timeout);
 
 	return 0;
 }
@@ -1424,9 +1423,6 @@ static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
 
 		memset(priv->assoc_stainfo.sta_associated_bss, 0,
 		       WILC_MAX_NUM_STA * ETH_ALEN);
-
-		wl->enable_ps = true;
-		wilc_set_power_mgmt(vif, 1, 0);
 		break;
 
 	case NL80211_IFTYPE_P2P_CLIENT:
@@ -1437,12 +1433,9 @@ static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
 		vif->iftype = WILC_CLIENT_MODE;
 		wilc_set_operation_mode(vif, WILC_STATION_MODE);
 
-		wl->enable_ps = false;
-		wilc_set_power_mgmt(vif, 0, 0);
 		break;
 
 	case NL80211_IFTYPE_AP:
-		wl->enable_ps = false;
 		dev->ieee80211_ptr->iftype = type;
 		priv->wdev.iftype = type;
 		vif->iftype = WILC_AP_MODE;
@@ -1451,7 +1444,6 @@ static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
 			wilc_set_wfi_drv_handler(vif, wilc_get_vif_idx(vif),
 						 0, vif->idx);
 			wilc_set_operation_mode(vif, WILC_AP_MODE);
-			wilc_set_power_mgmt(vif, 0, 0);
 		}
 		break;
 
@@ -1460,9 +1452,6 @@ static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
 		dev->ieee80211_ptr->iftype = type;
 		priv->wdev.iftype = type;
 		vif->iftype = WILC_GO_MODE;
-
-		wl->enable_ps = false;
-		wilc_set_power_mgmt(vif, 0, 0);
 		break;
 
 	default:
@@ -1484,7 +1473,6 @@ static int start_ap(struct wiphy *wiphy, struct net_device *dev,
 		netdev_err(dev, "Error in setting channel\n");
 
 	wilc_wlan_set_bssid(dev, dev->dev_addr, WILC_AP_MODE);
-	wilc_set_power_mgmt(vif, 0, 0);
 
 	return wilc_add_beacon(vif, settings->beacon_interval,
 				   settings->dtim_period, &settings->beacon);
@@ -1835,7 +1823,6 @@ int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type,
 	*wilc = wl;
 	wl->io_type = io_type;
 	wl->hif_func = ops;
-	wl->enable_ps = false;
 	wl->chip_ps_state = WILC_CHIP_WAKEDUP;
 	INIT_LIST_HEAD(&wl->txq_head.list);
 	INIT_LIST_HEAD(&wl->rxq_head.list);

drivers/staging/wilc1000/wilc_wfi_netdevice.h

@@ -261,7 +261,6 @@ struct wilc {
 	struct device *dev;
 	bool suspend_event;
 
-	bool enable_ps;
 	int clients_count;
 	struct workqueue_struct *hif_workqueue;
 	enum chip_ps_states chip_ps_state;