ath9k: Handle chainmask for A9280
The default chainmask for AR9280 is 3, so handle that when setting
the supported MCS rates. Also, check for the HW supported chainmask
when choosing single/dual stream.
Signed-off-by: Sujith <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 8e1528d..eb557ad 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -1359,7 +1359,7 @@
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;