1 files changed, 8 insertions, 17 deletions

diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 1b71b934bb5..eb557add656 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -19,12 +19,11 @@
 
 static struct ath_rate_table ar5416_11na_ratetable = {
 	42,
-	{0},
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
 			5400, 0x0b, 0x00, 12,
 			0, 2, 1, 0, 0, 0, 0, 0 },
-		{ VALID,	VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
+		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
 			7800,  0x0f, 0x00, 18,
 			0, 3, 1, 1, 1, 1, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
@@ -158,7 +157,6 @@ static struct ath_rate_table ar5416_11na_ratetable = {
 
 static struct ath_rate_table ar5416_11ng_ratetable = {
 	46,
-	{0},
 	{
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
 			900, 0x1b, 0x00, 2,
@@ -306,7 +304,6 @@ static struct ath_rate_table ar5416_11ng_ratetable = {
 
 static struct ath_rate_table ar5416_11a_ratetable = {
 	8,
-	{0},
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
 			5400, 0x0b, 0x00, (0x80|12),
@@ -340,7 +337,6 @@ static struct ath_rate_table ar5416_11a_ratetable = {
 
 static struct ath_rate_table ar5416_11g_ratetable = {
 	12,
-	{0},
 	{
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
 			900, 0x1b, 0x00, 2,
@@ -386,7 +382,6 @@ static struct ath_rate_table ar5416_11g_ratetable = {
 
 static struct ath_rate_table ar5416_11b_ratetable = {
 	4,
-	{0},
 	{
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
 			900, 0x1b,  0x00, (0x80|2),
@@ -875,7 +870,7 @@ static void ath_rc_ratefind(struct ath_softc *sc,
 	 * above conditions.
 	 */
 	if ((sc->hw->conf.channel->band == IEEE80211_BAND_2GHZ) &&
-	    (sc->hw->conf.ht.enabled)) {
+	    (conf_is_ht(&sc->hw->conf))) {
 		u8 dot11rate = rate_table->info[rix].dot11rate;
 		u8 phy = rate_table->info[rix].phy;
 		if (i == 4 &&
@@ -1363,9 +1358,13 @@ static void ath_rc_init(struct ath_softc *sc,
 	}
 
 	if (sta->ht_cap.ht_supported) {
-		ath_rc_priv->ht_cap = (WLAN_RC_HT_FLAG | WLAN_RC_DS_FLAG);
+		ath_rc_priv->ht_cap = WLAN_RC_HT_FLAG;
+		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;
+		if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
+			ath_rc_priv->ht_cap |= WLAN_RC_SGI_FLAG;
 	}
 
 	/* Initial rate table size. Will change depending
@@ -1511,7 +1510,7 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 			tx_info, &is_probe, false);
 
 	/* Check if aggregation has to be enabled for this tid */
-	if (hw->conf.ht.enabled) {
+	if (conf_is_ht(&hw->conf)) {
 		if (ieee80211_is_data_qos(fc)) {
 			u8 *qc, tid;
 			struct ath_node *an;
@@ -1607,16 +1606,8 @@ static void ath_setup_rate_table(struct ath_softc *sc,
 {
 	int i;
 
-	for (i = 0; i < 256; i++)
-		rate_table->rateCodeToIndex[i] = (u8)-1;
-
 	for (i = 0; i < rate_table->rate_cnt; i++) {
-		u8 code = rate_table->info[i].ratecode;
 		u8 cix = rate_table->info[i].ctrl_rate;
-		u8 sh = rate_table->info[i].short_preamble;
-
-		rate_table->rateCodeToIndex[code] = i;
-		rate_table->rateCodeToIndex[code | sh] = i;
 
 		rate_table->info[i].lpAckDuration =
 			ath9k_hw_computetxtime(sc->sc_ah, rate_table,