rt2x00: Protect queue control with mutex

Add wrapper functions in rt2x00queue.c to
start & stop queues. This control must be protected
using a mutex.

Queues can also be paused which will halt the flow
of packets between the driver and mac80211. This doesn't
require a mutex protection.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 64dfb1f..c92db32 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -339,12 +339,13 @@
 		return -ENOMEM;
 
 	temp = data +
-	    sprintf(data, "qid\tcount\tlimit\tlength\tindex\tdma done\tdone\n");
+	    sprintf(data, "qid\tflags\t\tcount\tlimit\tlength\tindex\tdma done\tdone\n");
 
 	queue_for_each(intf->rt2x00dev, queue) {
 		spin_lock_irqsave(&queue->index_lock, irqflags);
 
-		temp += sprintf(temp, "%d\t%d\t%d\t%d\t%d\t%d\t%d\n", queue->qid,
+		temp += sprintf(temp, "%d\t0x%.8x\t%d\t%d\t%d\t%d\t%d\t\t%d\n",
+				queue->qid, (unsigned int)queue->flags,
 				queue->count, queue->limit, queue->length,
 				queue->index[Q_INDEX],
 				queue->index[Q_INDEX_DMA_DONE],