ath9k: Cleanup data structures related to HW capabilities

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index e0797af..d313200 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -780,7 +780,7 @@
 	ar5416_attach_ratetables(asc);
 
 	/* Save Maximum TX Trigger Level (used for 11n) */
-	tx_triglevel_max = ah->ah_caps.halTxTrigLevelMax;
+	tx_triglevel_max = ah->ah_caps.tx_triglevel_max;
 	/*  return alias for ath_rate_softc * */
 	return asc;
 }