iwlwifi: disable greenfield transmissions as a workaround

[pandora-kernel.git] / drivers / net / wireless / iwlwifi / dvm / rs.c

diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c
index 6fddd27..a82f46c 100644 (file)
--- a/drivers/net/wireless/iwlwifi/dvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rs.c
@@ -707,11 +707,14 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags,
  */
 static bool rs_use_green(struct ieee80211_sta *sta)
 {
-       struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
-       struct iwl_rxon_context *ctx = sta_priv->ctx;
-
-       return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
-               !(ctx->ht.non_gf_sta_present);
+       /*
+        * There's a bug somewhere in this code that causes the
+        * scaling to get stuck because GF+SGI can't be combined
+        * in SISO rates. Until we find that bug, disable GF, it
+        * has only limited benefit and we still interoperate with
+        * GF APs since we can always receive GF transmissions.
+        */
+       return false;
 }
 
 /**