[PATCH] libertas: push WEXT scan requests to a work queue

Push WEXT scan requests to a workqueue and have each partial scan queue
the next part, then only report results when the complete scan has finished.
Full scans don't go through the work queue.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 9a46339ce47e..bcd845060d4a 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1269,9 +1269,10 @@ int libertas_activate_card(wlan_private *priv)
                 goto done;
         }
 
-        priv->assoc_thread =
-                create_singlethread_workqueue("libertas_assoc");
+        priv->work_thread = create_singlethread_workqueue("libertas_worker");
         INIT_DELAYED_WORK(&priv->assoc_work, libertas_association_worker);
+        INIT_DELAYED_WORK(&priv->scan_work, libertas_scan_worker);
+
         INIT_WORK(&priv->sync_channel, libertas_sync_channel);
 
         /*
@@ -1305,7 +1306,7 @@ int libertas_activate_card(wlan_private *priv)
 err_init_fw:
         priv->hw_unregister_dev(priv);
 err_registerdev:
-        destroy_workqueue(priv->assoc_thread);
+        destroy_workqueue(priv->work_thread);
         /* Stop the thread servicing the interrupts */
         wake_up_interruptible(&priv->waitq);
         kthread_stop(priv->main_thread);
@@ -1426,8 +1427,9 @@ int libertas_remove_card(wlan_private *priv)
 
         unregister_netdev(dev);
 
+        cancel_delayed_work(&priv->scan_work);
         cancel_delayed_work(&priv->assoc_work);
-        destroy_workqueue(priv->assoc_thread);
+        destroy_workqueue(priv->work_thread);
 
         if (adapter->psmode == WLAN802_11POWERMODEMAX_PSP) {
                 adapter->psmode = WLAN802_11POWERMODECAM;