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-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c27
1 files changed, 0 insertions, 27 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index e1887438f8c5..471e0f624e81 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -447,33 +447,6 @@ static void ath9k_beacon_init(struct ath_softc *sc, u32 nexttbtt,
447 ath9k_hw_enable_interrupts(ah); 447 ath9k_hw_enable_interrupts(ah);
448} 448}
449 449
450/* Calculate the modulo of a 64 bit TSF snapshot with a TU divisor */
451static u32 ath9k_mod_tsf64_tu(u64 tsf, u32 div_tu)
452{
453 u32 tsf_mod, tsf_hi, tsf_lo, mod_hi, mod_lo;
454
455 tsf_mod = tsf & (BIT(10) - 1);
456 tsf_hi = tsf >> 32;
457 tsf_lo = ((u32) tsf) >> 10;
458
459 mod_hi = tsf_hi % div_tu;
460 mod_lo = ((mod_hi << 22) + tsf_lo) % div_tu;
461
462 return (mod_lo << 10) | tsf_mod;
463}
464
465static u32 ath9k_get_next_tbtt(struct ath_softc *sc, u64 tsf,
466 unsigned int interval)
467{
468 struct ath_hw *ah = sc->sc_ah;
469 unsigned int offset;
470
471 tsf += TU_TO_USEC(FUDGE + ah->config.sw_beacon_response_time);
472 offset = ath9k_mod_tsf64_tu(tsf, interval);
473
474 return (u32) tsf + TU_TO_USEC(interval) - offset;
475}
476
477/* 450/*
478 * For multi-bss ap support beacons are either staggered evenly over N slots or 451 * For multi-bss ap support beacons are either staggered evenly over N slots or
479 * burst together. For the former arrange for the SWBA to be delivered for each 452 * burst together. For the former arrange for the SWBA to be delivered for each