From a1c5adc11642f7075f4f5ad83a967d8b424b8020 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Thu, 27 Sep 2012 11:12:13 +0000
Subject: [PATCH] ath5k: add a spur mitigation fix

SVN-Revision: 33572
---
 .../mac80211/patches/300-pending_work.patch   | 34 ++++++++++++++-----
 1 file changed, 25 insertions(+), 9 deletions(-)

diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 219144c0b91b..e4544938f509 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -180,7 +180,7 @@
  static void ieee80211_iface_work(struct work_struct *work)
  {
  	struct ieee80211_sub_if_data *sdata =
-@@ -1101,6 +1144,9 @@ static void ieee80211_iface_work(struct
+@@ -1101,6 +1144,9 @@ static void ieee80211_iface_work(struct 
  				break;
  			ieee80211_mesh_rx_queued_mgmt(sdata, skb);
  			break;
@@ -281,13 +281,6 @@
 +		list_for_each_entry_rcu(sdata, &local->interfaces, list) {
 +			if (!sdata->dev)
 +				continue;
-+
-+			if (skb->dev != sdata->dev)
-+				continue;
-+
-+			found = true;
-+			break;
-+		}
  
 -			p2p_sdata = rcu_dereference(local->p2p_sdata);
 -			if (p2p_sdata) {
@@ -296,11 +289,18 @@
 -					skb->len, acked, GFP_ATOMIC);
 -			}
 -			rcu_read_unlock();
++			if (skb->dev != sdata->dev)
++				continue;
++
++			found = true;
++			break;
+ 		}
++
 +		if (!skb->dev) {
 +			sdata = rcu_dereference(local->p2p_sdata);
 +			if (sdata)
 +				found = true;
- 		}
++		}
 +
 +		if (!found)
 +			skb->dev = NULL;
@@ -406,3 +406,19 @@
  
  	ret = sta_info_hash_del(local, sta);
  	if (ret)
+--- a/drivers/net/wireless/ath/ath5k/phy.c
++++ b/drivers/net/wireless/ath/ath5k/phy.c
+@@ -1977,11 +1977,13 @@ ath5k_hw_set_spur_mitigation_filter(stru
+ 			spur_delta_phase = (spur_offset << 18) / 25;
+ 			spur_freq_sigma_delta = (spur_delta_phase >> 10);
+ 			symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 2;
++			break;
+ 		case AR5K_BWMODE_5MHZ:
+ 			/* Both sample_freq and chip_freq are 10MHz (?) */
+ 			spur_delta_phase = (spur_offset << 19) / 25;
+ 			spur_freq_sigma_delta = (spur_delta_phase >> 10);
+ 			symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 4;
++			break;
+ 		default:
+ 			if (channel->band == IEEE80211_BAND_5GHZ) {
+ 				/* Both sample_freq and chip_freq are 40MHz */
-- 
2.30.2