diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index ede8980be962f0cdf807911cb472152a3239256a..04a6051037191ea5c4b9300da001086cb3f3a71e 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -876,6 +876,7 @@ static void setup_ht_cap(struct ath_softc *sc,
 	case 1:
 		ht_info->mcs.rx_mask[0] = 0xff;
 		break;
+	case 3:
 	case 5:
 	case 7:
 	default:
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 8e1528d487b5cee14d2f45cda352bd12d5efb798..eb557add656749828c30647c62007593a6d57601 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -1359,7 +1359,7 @@ static void ath_rc_init(struct ath_softc *sc,
 
 	if (sta->ht_cap.ht_supported) {
 		ath_rc_priv->ht_cap = WLAN_RC_HT_FLAG;
-		if (sc->sc_tx_chainmask != 1)
+		if (sc->sc_ah->ah_caps.tx_chainmask != 1)
 			ath_rc_priv->ht_cap |= WLAN_RC_DS_FLAG;
 		if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
 			ath_rc_priv->ht_cap |= WLAN_RC_40_FLAG;