iwlwifi: mvm: rs: set dual_stream_ant_msk to ANT_AB always

Drop code which was relevant when there were chips with
3 antennas. Setting to ANT_AB should be ok with all mvm
supported chips.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 7beb548..5c98d46 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -2386,15 +2386,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
        /* These values will be overridden later */
        lq_sta->lq.single_stream_ant_msk =
                first_antenna(iwl_fw_valid_tx_ant(mvm->fw));
-       lq_sta->lq.dual_stream_ant_msk =
-               iwl_fw_valid_tx_ant(mvm->fw) &
-               ~first_antenna(iwl_fw_valid_tx_ant(mvm->fw));
-       if (!lq_sta->lq.dual_stream_ant_msk) {
-               lq_sta->lq.dual_stream_ant_msk = ANT_AB;
-       } else if (num_of_ant(iwl_fw_valid_tx_ant(mvm->fw)) == 2) {
-               lq_sta->lq.dual_stream_ant_msk =
-                       iwl_fw_valid_tx_ant(mvm->fw);
-       }
+       lq_sta->lq.dual_stream_ant_msk = ANT_AB;
 
        /* as default allow aggregation for all tids */
        lq_sta->tx_agg_tid_en = IWL_AGG_ALL_TID;
@@ -2463,8 +2455,6 @@ static void rs_fill_link_cmd(struct iwl_mvm *mvm,
 
        if (num_of_ant(rate.ant) == 1)
                lq_cmd->single_stream_ant_msk = rate.ant;
-       else if (num_of_ant(rate.ant) == 2)
-               lq_cmd->dual_stream_ant_msk = rate.ant;
        /* otherwise we don't modify the existing value */
 
        index++;