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>

diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index e188743..471e0f6 100644 (file)
--- 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