diff options
| author | Alexander Bondar <alexander.bondar@intel.com> | 2013-03-10 15:29:44 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-07-16 16:13:23 +0300 |
| commit | e811ada7a6a3f720c178ba29998ce9f9685f9df3 (patch) | |
| tree | 726f979761d68443e4a90dd86d10dbf2231e8aee /drivers/net/wireless/iwlwifi/mvm/mac80211.c | |
| parent | 0c393d4eac31912ad6ea362d4f9bf78aa1fe9a69 (diff) | |
iwlwifi: mvm: Upgrade to a new power management uAPSD API
Change power management implementation to support new host-device API
containing uAPSD parameters. Verify FW support for this new API.
Use the new power table command (0xA9) to configure power management.
Use the legacy command (0x77) if FW does not support the new API.
New file power_legacy.c is introduced for legacy implementation.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/mac80211.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index e08683b2053..2d07605eaab 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -774,9 +774,14 @@ 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"); + if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD)) { + /* Workaround for FW bug, otherwise FW disables device + * power save upon disassociation + */ + ret = iwl_mvm_power_update_mode(mvm, vif); + if (ret) + IWL_ERR(mvm, "failed to update power mode\n"); + } } else if (changes & BSS_CHANGED_BEACON_INFO) { /* * We received a beacon _after_ association so |