ath9k/ath9k_htc: remove redundand checks for dual-stream tx support

mac80211 already masks the HT sta capabilities based on hardware support

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 4 insertions, 10 deletions

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index c1d8fb8d4a93..b9206e412cab 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -362,11 +362,8 @@ static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv,
                 trate->rates.ht_rates.rs_nrates = j;
 
                 caps = WLAN_RC_HT_FLAG;
-                if (priv->ah->caps.tx_chainmask != 1 &&
-                    ath9k_hw_getcapability(priv->ah, ATH9K_CAP_DS, 0, NULL)) {
-                        if (sta->ht_cap.mcs.rx_mask[1])
-                                caps |= WLAN_RC_DS_FLAG;
-                }
+                if (sta->ht_cap.mcs.rx_mask[1])
+                        caps |= WLAN_RC_DS_FLAG;
                 if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
                         caps |= WLAN_RC_40_FLAG;
                 if (conf_is_ht40(&priv->hw->conf) &&
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 02b605273ca5..600ee0ba2880 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1203,11 +1203,8 @@ static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta,
 
         if (sta->ht_cap.ht_supported) {
                 caps = WLAN_RC_HT_FLAG;
-                if (sc->sc_ah->caps.tx_chainmask != 1 &&
-                    ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_DS, 0, NULL)) {
-                        if (sta->ht_cap.mcs.rx_mask[1])
-                                caps |= WLAN_RC_DS_FLAG;
-                }
+                if (sta->ht_cap.mcs.rx_mask[1])
+                        caps |= WLAN_RC_DS_FLAG;
                 if (is_cw40)
                         caps |= WLAN_RC_40_FLAG;
                 if (is_sgi)