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authorRajkumar Manoharan <rmanohar@qti.qualcomm.com>2014-06-26 11:24:42 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2014-07-01 18:26:26 (GMT)
commit09ebb810927a110e4c354beb20308830d108a54b (patch)
tree8b44e0849ea7c503f2f7ecc563f4cf9ef1ab5076 /drivers/net/wireless/ath
parent5f2f9e44badc5e322523ef3b4583684255b80a07 (diff)
downloadlinux-09ebb810927a110e4c354beb20308830d108a54b.tar.xz
ath9k: Calculate sleep duration
Right now sleep duration is configured as beacon interval. It should be the multiple of beacon interval by listen period which helps to reduce station power consumption. Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r--drivers/net/wireless/ath/ath9k/common-beacon.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/common-beacon.c b/drivers/net/wireless/ath/ath9k/common-beacon.c
index 775d1d2..733be51 100644
--- a/drivers/net/wireless/ath/ath9k/common-beacon.c
+++ b/drivers/net/wireless/ath/ath9k/common-beacon.c
@@ -57,7 +57,7 @@ int ath9k_cmn_beacon_config_sta(struct ath_hw *ah,
struct ath9k_beacon_state *bs)
{
struct ath_common *common = ath9k_hw_common(ah);
- int dtim_intval;
+ int dtim_intval, sleepduration;
u64 tsf;
/* No need to configure beacon if we are not associated */
@@ -75,6 +75,7 @@ int ath9k_cmn_beacon_config_sta(struct ath_hw *ah,
* last beacon we received (which may be none).
*/
dtim_intval = conf->intval * conf->dtim_period;
+ sleepduration = ah->hw->conf.listen_interval * conf->intval;
/*
* Pull nexttbtt forward to reflect the current
@@ -112,7 +113,7 @@ int ath9k_cmn_beacon_config_sta(struct ath_hw *ah,
*/
bs->bs_sleepduration = TU_TO_USEC(roundup(IEEE80211_MS_TO_TU(100),
- conf->intval));
+ sleepduration));
if (bs->bs_sleepduration > bs->bs_dtimperiod)
bs->bs_sleepduration = bs->bs_dtimperiod;