[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/dev.h b/drivers/net/wireless/libertas/dev.h
index 184eee5..c6fb703 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -14,7 +14,6 @@
 
 #include "defs.h"
 #include "scan.h"
-#include "thread.h"
 
 extern struct ethtool_ops libertas_ethtool_ops;
 
@@ -146,7 +145,8 @@
 	struct device *hotplug_device;
 
 	/** thread to service interrupts */
-	struct wlan_thread mainthread;
+	struct task_struct *main_thread;
+	wait_queue_head_t waitq;
 
 	struct delayed_work assoc_work;
 	struct workqueue_struct *assoc_thread;