From dd006395688cd3ce6c92de288d8db090d98dc2c7 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Fri, 16 Jan 2009 21:38:40 +0530
Subject: [PATCH] ath9k: Update short guard interval in rate control

The rate control algorithm needs to know if a STA allows
short guard interval, fixing this allows RC to use the correct
table.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath9k/rc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 182884a1cde4..68bda2309cee 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -1361,6 +1361,8 @@ static void ath_rc_init(struct ath_softc *sc,
 		ath_rc_priv->ht_cap = (WLAN_RC_HT_FLAG | 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
-- 
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