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From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 22 Jan 2016 01:05:56 +0100
Subject: [PATCH] ath9k: do not limit the number of DFS interfaces to 1

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -751,14 +751,6 @@ static const struct ieee80211_iface_comb
 
 #endif /* CPTCFG_ATH9K_CHANNEL_CONTEXT */
 
-static const struct ieee80211_iface_limit if_dfs_limits[] = {
-	{ .max = 1,	.types = BIT(NL80211_IFTYPE_AP) |
-#ifdef CPTCFG_MAC80211_MESH
-				 BIT(NL80211_IFTYPE_MESH_POINT) |
-#endif
-				 BIT(NL80211_IFTYPE_ADHOC) },
-};
-
 static const struct ieee80211_iface_combination if_comb[] = {
 	{
 		.limits = if_limits,
@@ -766,6 +758,11 @@ static const struct ieee80211_iface_comb
 		.max_interfaces = 2048,
 		.num_different_channels = 1,
 		.beacon_int_infra_match = true,
+#ifdef CPTCFG_ATH9K_DFS_CERTIFIED
+		.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+					BIT(NL80211_CHAN_WIDTH_20) |
+					BIT(NL80211_CHAN_WIDTH_40),
+#endif
 	},
 	{
 		.limits = wds_limits,
@@ -774,18 +771,6 @@ static const struct ieee80211_iface_comb
 		.num_different_channels = 1,
 		.beacon_int_infra_match = true,
 	},
-#ifdef CPTCFG_ATH9K_DFS_CERTIFIED
-	{
-		.limits = if_dfs_limits,
-		.n_limits = ARRAY_SIZE(if_dfs_limits),
-		.max_interfaces = 1,
-		.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_40),
-	}
-#endif
 };
 
 #ifdef CPTCFG_ATH9K_CHANNEL_CONTEXT