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authorOleksij Rempel <linux@rempel-privat.de>2014-03-01 21:16:04 +0100
committerJohn W. Linville <linville@tuxdriver.com>2014-03-17 13:13:08 -0400
commit6a77dd33fcfbfcf48f77fed599a0ce763e65a894 (patch)
treef497c349eac4a8ac5557b6f988fd9e4b1f3a779f /drivers
parentfa7b52fadbbbec855fb13ccc508128f6d234e08d (diff)
downloadlinux-6a77dd33fcfbfcf48f77fed599a0ce763e65a894.tar.bz2
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>
Diffstat (limited to 'drivers')
-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,
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