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ath9k: add a better fix for beacon timer reliability
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28211 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -1,11 +1,10 @@
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--- a/drivers/net/wireless/ath/ath9k/beacon.c
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+++ b/drivers/net/wireless/ath/ath9k/beacon.c
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@@ -505,7 +505,7 @@ static void ath_beacon_config_ap(struct
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/* NB: the beacon interval is kept internally in TU's */
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intval = TU_TO_USEC(conf->beacon_interval);
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intval /= ATH_BCBUF; /* for staggered beacons */
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- nexttbtt = intval;
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+ nexttbtt = roundup(ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE), intval);
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@@ -517,6 +517,7 @@ static void ath_beacon_config_ap(struct
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/* Set the computed AP beacon timers */
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/*
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* In AP mode we enable the beacon timers and SWBA interrupts to
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ath9k_hw_disable_interrupts(ah);
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+ sc->sc_flags |= SC_OP_TSF_RESET;
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ath9k_beacon_init(sc, nexttbtt, intval);
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sc->beacon.bmisscnt = 0;
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ath9k_hw_set_interrupts(ah, ah->imask);
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