--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -197,7 +197,6 @@ struct ath9k_hw_capabilities {
 	u8 rx_chainmask;
 	u8 max_txchains;
 	u8 max_rxchains;
-	u16 tx_triglevel_max;
 	u8 num_gpio_pins;
 	u8 rx_hp_qdepth;
 	u8 rx_lp_qdepth;
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2059,7 +2059,7 @@ static void ath_tx_rc_status(struct ath_
 		if (ieee80211_is_data(hdr->frame_control) &&
 		    (ts->ts_flags & (ATH9K_TX_DATA_UNDERRUN |
 		                     ATH9K_TX_DELIM_UNDERRUN)) &&
-		    ah->tx_trig_level >= sc->sc_ah->caps.tx_triglevel_max)
+		    ah->tx_trig_level >= sc->sc_ah->config.max_txtrig_level)
 			tx_info->status.rates[tx_rateindex].count =
 				hw->max_rate_tries;
 	}
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1889,11 +1889,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw
 	else
 		pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
 
-	if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
-		pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD >> 1;
-	else
-		pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
-
 	if (AR_SREV_9271(ah))
 		pCap->num_gpio_pins = AR9271_NUM_GPIO;
 	else if (AR_DEVID_7010(ah))