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iwlwifi: mvm: disable powersave in low-latency 

While an interface is in low-latency mode, for now powersave
should be disabled for it, so take low-latency into account
in the powersave code and force powersave recalculation when
low-latency mode changes.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Johannes Berg 2013-11-13 17:16:19 +01:00 committed by Emmanuel Grumbach
parent a21d7bcbf4
commit e03f9bef2f
2 changed files with 7 additions and 2 deletions
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3
drivers/net/wireless/iwlwifi/mvm/power.c
View File

@ -312,7 +312,8 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
mvmvif->dbgfs_pm.disable_power_off)
cmd->flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK);
#endif
if (!vif->bss_conf.ps || mvmvif->pm_prevented)
if (!vif->bss_conf.ps || mvmvif->pm_prevented ||
iwl_mvm_vif_low_latency(mvmvif))
return;
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);

6
drivers/net/wireless/iwlwifi/mvm/utils.c
View File

@ -541,10 +541,14 @@ int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
bool value)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int res;
lockdep_assert_held(&mvm->mutex);
mvmvif->low_latency = value;
return iwl_mvm_update_quotas(mvm, NULL);
res = iwl_mvm_update_quotas(mvm, NULL);
if (res)
return res;
return iwl_mvm_power_update_mode(mvm, vif);
}