rt2x00: Initialize txop during conf_tx() callback

The txop parameter is supported by rt61pci and rt73usb,
and thus should be written to the register instead
of using the fixed value set during initialization.

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/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 37f3f98..654fa0c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -368,6 +368,7 @@
  * @length: Number of frames in queue.
  * @index: Index pointers to entry positions in the queue,
  *	use &enum queue_index to get a specific index field.
+ * @txop: maximum burst time.
  * @aifs: The aifs value for outgoing frames (field ignored in RX queue).
  * @cw_min: The cw min value for outgoing frames (field ignored in RX queue).
  * @cw_max: The cw max value for outgoing frames (field ignored in RX queue).
@@ -387,6 +388,7 @@
 	unsigned short length;
 	unsigned short index[Q_INDEX_MAX];
 
+	unsigned short txop;
 	unsigned short aifs;
 	unsigned short cw_min;
 	unsigned short cw_max;