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authorOleksij Rempel <linux@rempel-privat.de>2014-02-26 10:03:43 +0100
committerJohn W. Linville <linville@tuxdriver.com>2014-02-28 14:33:24 -0500
commit7fbdaa2a27583664ff700843269bc3ca14e4e1b5 (patch)
treee3a8f59e87d06a9e2cfd2342e9421419d474c7df
parent8acbea614a75bc2221a84f222dc32be0877861ce (diff)
ath9k: remove unused listen_interval and sleepduration.
this variable never changed. Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c21
2 files changed, 7 insertions, 15 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index e703ddad7ecf..f995c374a9b4 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -410,7 +410,6 @@ void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
struct ath_beacon_config {
int beacon_interval;
- u16 listen_interval;
u16 dtim_period;
u16 bmiss_timeout;
u8 dtim_count;
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 6569528753af..02eb4f10332b 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -519,7 +519,7 @@ static void ath9k_beacon_config_sta(struct ath_softc *sc,
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_beacon_state bs;
- int dtim_intval, sleepduration;
+ int dtim_intval;
u32 nexttbtt = 0, intval;
u64 tsf;
@@ -538,7 +538,6 @@ static void ath9k_beacon_config_sta(struct ath_softc *sc,
* last beacon we received (which may be none).
*/
dtim_intval = intval * conf->dtim_period;
- sleepduration = conf->listen_interval * intval;
/*
* Pull nexttbtt forward to reflect the current
@@ -560,16 +559,11 @@ static void ath9k_beacon_config_sta(struct ath_softc *sc,
* need calculate based on the beacon interval. Note that we clamp the
* result to at most 15 beacons.
*/
- if (sleepduration > intval) {
- bs.bs_bmissthreshold = conf->listen_interval *
- ATH_DEFAULT_BMISS_LIMIT / 2;
- } else {
- bs.bs_bmissthreshold = DIV_ROUND_UP(conf->bmiss_timeout, intval);
- if (bs.bs_bmissthreshold > 15)
- bs.bs_bmissthreshold = 15;
- else if (bs.bs_bmissthreshold <= 0)
- bs.bs_bmissthreshold = 1;
- }
+ bs.bs_bmissthreshold = DIV_ROUND_UP(conf->bmiss_timeout, intval);
+ if (bs.bs_bmissthreshold > 15)
+ bs.bs_bmissthreshold = 15;
+ else if (bs.bs_bmissthreshold <= 0)
+ bs.bs_bmissthreshold = 1;
/*
* Calculate sleep duration. The configuration is given in ms.
@@ -581,7 +575,7 @@ static void ath9k_beacon_config_sta(struct ath_softc *sc,
*/
bs.bs_sleepduration = TU_TO_USEC(roundup(IEEE80211_MS_TO_TU(100),
- sleepduration));
+ intval));
if (bs.bs_sleepduration > bs.bs_dtimperiod)
bs.bs_sleepduration = bs.bs_dtimperiod;
@@ -677,7 +671,6 @@ static void ath9k_cache_beacon_config(struct ath_softc *sc,
cur_conf->beacon_interval = bss_conf->beacon_int;
cur_conf->dtim_period = bss_conf->dtim_period;
- cur_conf->listen_interval = 1;
cur_conf->dtim_count = 1;
cur_conf->ibss_creator = bss_conf->ibss_creator;
cur_conf->bmiss_timeout =