From: Alexander Bondar Date: Mon, 27 May 2013 10:49:03 +0000 (+0300) Subject: iwlwifi: mvm: enable PM always in unassociated mode X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=5ec42ecf497f9c5e55fbe57e894efc5ce91c47cd;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git iwlwifi: mvm: enable PM always in unassociated mode In unassociated BSS STA mode FW verifies both power save and power management flags to decide on switching power off. The driver currently sets power management flag according to mac80211 decision. As result, in unassociated mode power management flag is down and power consumption is high. Change power management enablement. When unassociated in BPS and LP power save modes enable power management regardless of mac80211 decision. Rely on mac80211 decision if associated. Add power management state update during associated/disassociated modes transitions. Signed-off-by: Alexander Bondar Reviewed-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index c13559b4b4fd..f2976901b1d5 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -763,6 +763,9 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, if (ret) IWL_ERR(mvm, "failed to update quotas\n"); } + ret = iwl_mvm_power_update_mode(mvm, vif); + if (ret) + IWL_ERR(mvm, "failed to update power mode\n"); } else if (changes & BSS_CHANGED_DTIM_PERIOD) { /* * We received a beacon _after_ association so diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index 6cb98ce96ac4..3760a33ca3a4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -168,6 +168,8 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return; cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); + if (!vif->bss_conf.assoc) + cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); #ifdef CONFIG_IWLWIFI_DEBUGFS if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF &&