wlp: start/stop radio on network interface up/down

Signed-off-by: David Vrabel <david.vrabel@csr.com>

1 files changed, 11 insertions, 40 deletions

diff --git a/drivers/uwb/i1480/i1480u-wlp/netdev.c b/drivers/uwb/i1480/i1480u-wlp/netdev.c
index 8802ac43d872..2eafb973cd05 100644
--- a/drivers/uwb/i1480/i1480u-wlp/netdev.c
+++ b/drivers/uwb/i1480/i1480u-wlp/netdev.c
@@ -207,6 +207,11 @@ int i1480u_open(struct net_device *net_dev)
         result = i1480u_rx_setup(i1480u);               /* Alloc RX stuff */
         if (result < 0)
                 goto error_rx_setup;
+
+        result = uwb_radio_start(&wlp->pal);
+        if (result < 0)
+                goto error_radio_start;
+
         netif_wake_queue(net_dev);
 #ifdef i1480u_FLOW_CONTROL
         result = usb_submit_urb(i1480u->notif_urb, GFP_KERNEL);;
@@ -215,25 +220,20 @@ int i1480u_open(struct net_device *net_dev)
                 goto error_notif_urb_submit;
         }
 #endif
-        i1480u->uwb_notifs_handler.cb = i1480u_uwb_notifs_cb;
-        i1480u->uwb_notifs_handler.data = i1480u;
-        if (uwb_bg_joined(rc))
-                netif_carrier_on(net_dev);
-        else
-                netif_carrier_off(net_dev);
-        uwb_notifs_register(rc, &i1480u->uwb_notifs_handler);
         /* Interface is up with an address, now we can create WSS */
         result = wlp_wss_setup(net_dev, &wlp->wss);
         if (result < 0) {
                 dev_err(dev, "Can't create WSS: %d. \n", result);
-                goto error_notif_deregister;
+                goto error_wss_setup;
         }
         return 0;
-error_notif_deregister:
-        uwb_notifs_deregister(rc, &i1480u->uwb_notifs_handler);
+error_wss_setup:
 #ifdef i1480u_FLOW_CONTROL
+        usb_kill_urb(i1480u->notif_urb);
 error_notif_urb_submit:
 #endif
+        uwb_radio_stop(&wlp->pal);
+error_radio_start:
         netif_stop_queue(net_dev);
         i1480u_rx_release(i1480u);
 error_rx_setup:
@@ -248,16 +248,15 @@ int i1480u_stop(struct net_device *net_dev)
 {
         struct i1480u *i1480u = netdev_priv(net_dev);
         struct wlp *wlp = &i1480u->wlp;
-        struct uwb_rc *rc = wlp->rc;
 
         BUG_ON(wlp->rc == NULL);
         wlp_wss_remove(&wlp->wss);
-        uwb_notifs_deregister(rc, &i1480u->uwb_notifs_handler);
         netif_carrier_off(net_dev);
 #ifdef i1480u_FLOW_CONTROL
         usb_kill_urb(i1480u->notif_urb);
 #endif
         netif_stop_queue(net_dev);
+        uwb_radio_stop(&wlp->pal);
         i1480u_rx_release(i1480u);
         i1480u_tx_release(i1480u);
         return 0;
@@ -303,34 +302,6 @@ int i1480u_change_mtu(struct net_device *net_dev, int mtu)
         return 0;
 }
 
-
-/**
- * Callback function to handle events from UWB
- * When we see other devices we know the carrier is ok,
- * if we are the only device in the beacon group we set the carrier
- * state to off.
- * */
-void i1480u_uwb_notifs_cb(void *data, struct uwb_dev *uwb_dev,
-                          enum uwb_notifs event)
-{
-        struct i1480u *i1480u = data;
-        struct net_device *net_dev = i1480u->net_dev;
-        struct device *dev = &i1480u->usb_iface->dev;
-        switch (event) {
-        case UWB_NOTIF_BG_JOIN:
-                netif_carrier_on(net_dev);
-                dev_info(dev, "Link is up\n");
-                break;
-        case UWB_NOTIF_BG_LEAVE:
-                netif_carrier_off(net_dev);
-                dev_info(dev, "Link is down\n");
-                break;
-        default:
-                dev_err(dev, "don't know how to handle event %d from uwb\n",
-                                event);
-        }
-}
-
 /**
  * Stop the network queue
  *