From: Oleksij Rempel Date: Sat, 1 Mar 2014 20:16:04 +0000 (+0100) Subject: ath9k: remove unused ath9k_get_next_tbtt X-Git-Tag: v4.14-rc1~7785^2~18^2^2~93 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6a77dd33fcfbfcf48f77fed599a0ce763e65a894;p=platform%2Fkernel%2Flinux-rpi.git ath9k: remove unused ath9k_get_next_tbtt Signed-off-by: Oleksij Rempel Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index e188743..471e0f6 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, 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