[PATCH] libertas: remove thread.h and make kthread usage clearer

Remove the thread.h abstractions and opencode kthread stuff
to make it clearer.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index cf522c6..a3334f6 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -77,7 +77,7 @@
 		priv->dnld_sent = DNLD_RES_RECEIVED;
 		/* Wake main thread if commands are pending */
 		if (!adapter->cur_cmd)
-			wake_up_interruptible(&priv->mainthread.waitq);
+			wake_up_interruptible(&priv->waitq);
 		if ((adapter->connect_status == LIBERTAS_CONNECTED)) {
 			netif_wake_queue(dev);
 			netif_wake_queue(priv->mesh_dev);