From: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Date: Tue, 10 Mar 2015 17:49:31 +0100
Subject: [PATCH] ath9k: allow 40MHz radar detection width

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
---

--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -763,7 +763,8 @@ static const struct ieee80211_iface_comb
 		.num_different_channels = 1,
 		.beacon_int_infra_match = true,
 		.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT) |
-					BIT(NL80211_CHAN_WIDTH_20),
+					BIT(NL80211_CHAN_WIDTH_20) |
+					BIT(NL80211_CHAN_WIDTH_40),
 	}
 #endif
 };