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ath9k: remove unused ath9k_get_next_tbtt 

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Oleksij Rempel 2014-03-01 21:16:04 +01:00 committed by John W. Linville
parent fa7b52fadb
commit 6a77dd33fc
1 changed files with 0 additions and 27 deletions
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27
drivers/net/wireless/ath/ath9k/beacon.c
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@ -447,33 +447,6 @@ static void ath9k_beacon_init(struct ath_softc *sc, u32 nexttbtt,
ath9k_hw_enable_interrupts(ah);
}
/* Calculate the modulo of a 64 bit TSF snapshot with a TU divisor */
static u32 ath9k_mod_tsf64_tu(u64 tsf, u32 div_tu)
{
u32 tsf_mod, tsf_hi, tsf_lo, mod_hi, mod_lo;
tsf_mod = tsf & (BIT(10) - 1);
tsf_hi = tsf >> 32;
tsf_lo = ((u32) tsf) >> 10;
mod_hi = tsf_hi % div_tu;
mod_lo = ((mod_hi << 22) + tsf_lo) % div_tu;
return (mod_lo << 10) | tsf_mod;
}
static u32 ath9k_get_next_tbtt(struct ath_softc *sc, u64 tsf,
unsigned int interval)
{
struct ath_hw *ah = sc->sc_ah;
unsigned int offset;
tsf += TU_TO_USEC(FUDGE + ah->config.sw_beacon_response_time);
offset = ath9k_mod_tsf64_tu(tsf, interval);
return (u32) tsf + TU_TO_USEC(interval) - offset;
}
/*
* For multi-bss ap support beacons are either staggered evenly over N slots or
* burst together. For the former arrange for the SWBA to be delivered for each