ath9k: add a better fix for beacon timer reliability (backport of r28211)

SVN-Revision: 28212

diff --git a/package/mac80211/patches/585-ath9k_fix_beacon_timer.patch b/package/mac80211/patches/585-ath9k_fix_beacon_timer.patch
index e1fe4b75db0655cb19ecaf1a1e1a794464f08012..bb924b7a85f1aa52f90a1f7f994d72dbd4fd1ec9 100644 (file)
--- 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);