ath9k_htc: Enable SGI in HT20 for AR9271
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 7ec2c2e..8b202e0 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -404,6 +404,9 @@
IEEE80211_HT_CAP_SGI_40 |
IEEE80211_HT_CAP_DSSSCCK40;
+ if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20)
+ ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
+
ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 80feeb3..6d46423 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -367,9 +367,12 @@
caps = WLAN_RC_HT_FLAG;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
caps |= WLAN_RC_40_FLAG;
- if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
+ if (conf_is_ht40(&priv->hw->conf) &&
+ (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40))
caps |= WLAN_RC_SGI_FLAG;
-
+ else if (conf_is_ht20(&priv->hw->conf) &&
+ (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20))
+ caps |= WLAN_RC_SGI_FLAG;
}
trate->sta_index = ista->index;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2fd6254..841c8b0 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2234,7 +2234,7 @@
if (AR_SREV_9300_20_OR_LATER(ah))
pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED;
- if (AR_SREV_9287_10_OR_LATER(ah))
+ if (AR_SREV_9287_10_OR_LATER(ah) || AR_SREV_9271(ah))
pCap->hw_caps |= ATH9K_HW_CAP_SGI_20;
return 0;