From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 11 Sep 2011 11:16:20 +0000 (+0000)
Subject: ath9k: add a better fix for beacon timer reliability
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6d708d8f0274bc173b12577ed02d1e4ab0cdd57d;p=openwrt%2Fstaging%2Frobimarko.git

ath9k: add a better fix for beacon timer reliability

SVN-Revision: 28211
---

diff --git a/package/mac80211/patches/585-ath9k_fix_beacon_timer.patch b/package/mac80211/patches/585-ath9k_fix_beacon_timer.patch
index e1fe4b75db..bb924b7a85 100644
--- a/package/mac80211/patches/585-ath9k_fix_beacon_timer.patch
+++ b/package/mac80211/patches/585-ath9k_fix_beacon_timer.patch
@@ -1,11 +1,10 @@
 --- a/drivers/net/wireless/ath/ath9k/beacon.c
 +++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -505,7 +505,7 @@ static void ath_beacon_config_ap(struct 
- 	/* NB: the beacon interval is kept internally in TU's */
- 	intval = TU_TO_USEC(conf->beacon_interval);
- 	intval /= ATH_BCBUF;    /* for staggered beacons */
--	nexttbtt = intval;
-+	nexttbtt = roundup(ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE), intval);
+@@ -517,6 +517,7 @@ static void ath_beacon_config_ap(struct 
+ 	/* Set the computed AP beacon timers */
  
- 	/*
- 	 * In AP mode we enable the beacon timers and SWBA interrupts to
+ 	ath9k_hw_disable_interrupts(ah);
++	sc->sc_flags |= SC_OP_TSF_RESET;
+ 	ath9k_beacon_init(sc, nexttbtt, intval);
+ 	sc->beacon.bmisscnt = 0;
+ 	ath9k_hw_set_interrupts(ah, ah->imask);