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

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

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/uwb/wlp/wlp-lc.c b/drivers/uwb/wlp/wlp-lc.c
index 7e5eb49b03b8..e531093c4162 100644
--- a/drivers/uwb/wlp/wlp-lc.c
+++ b/drivers/uwb/wlp/wlp-lc.c
@@ -526,7 +526,17 @@ void wlp_uwb_notifs_cb(void *_wlp, struct uwb_dev *uwb_dev,
         }
 }
 
-int wlp_setup(struct wlp *wlp, struct uwb_rc *rc)
+static void wlp_channel_changed(struct uwb_pal *pal, int channel)
+{
+        struct wlp *wlp = container_of(pal, struct wlp, pal);
+
+        if (channel < 0)
+                netif_carrier_off(wlp->ndev);
+        else
+                netif_carrier_on(wlp->ndev);
+}
+
+int wlp_setup(struct wlp *wlp, struct uwb_rc *rc, struct net_device *ndev)
 {
         struct device *dev = &rc->uwb_dev.dev;
         int result;
@@ -537,6 +547,7 @@ int wlp_setup(struct wlp *wlp, struct uwb_rc *rc)
         BUG_ON(wlp->stop_queue == NULL);
         BUG_ON(wlp->start_queue == NULL);
         wlp->rc = rc;
+        wlp->ndev = ndev;
         wlp_eda_init(&wlp->eda);/* Set up address cache */
         wlp->uwb_notifs_handler.cb = wlp_uwb_notifs_cb;
         wlp->uwb_notifs_handler.data = wlp;
@@ -544,6 +555,7 @@ int wlp_setup(struct wlp *wlp, struct uwb_rc *rc)
 
         uwb_pal_init(&wlp->pal);
         wlp->pal.rc = rc;
+        wlp->pal.channel_changed = wlp_channel_changed;
         result = uwb_pal_register(&wlp->pal);
         if (result < 0)
                 uwb_notifs_deregister(wlp->rc, &wlp->uwb_notifs_handler);