ath9k: fix CTS timeout issues in 2.4 ghz

SVN-Revision: 30010

package/mac80211/patches/569-ath9k_fix_cts.patch

@@ -0,0 +1,21 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1061,13 +1061,16 @@ void ath9k_hw_init_global_settings(struc
+ 
+ 	/*
+ 	 * Workaround for early ACK timeouts, add an offset to match the
+-	 * initval's 64us ack timeout value.
++	 * initval's 64us ack timeout value. Use 48us for the CTS timeout.
+ 	 * This was initially only meant to work around an issue with delayed
+ 	 * BA frames in some implementations, but it has been found to fix ACK
+ 	 * timeout issues in other cases as well.
+ 	 */
+-	if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
++	if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) {
+ 		acktimeout += 64 - sifstime - ah->slottime;
++		ctstimeout += 48 - sifstime - ah->slottime;
++	}
++
+ 
+ 	ath9k_hw_set_sifs_time(ah, sifstime);
+ 	ath9k_hw_setslottime(ah, slottime);

package/mac80211/patches/571-ath9k_btcoex_optional.patch

@@ -203,7 +203,7 @@
  	if (btcoex->hw_timer_enabled)
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1929,7 +1929,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1932,7 +1932,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  #endif
  	}