3 files changed, 22 insertions, 4 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index 071c7b6ebef2..2adc2281c77c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -1439,6 +1439,15 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
                         }
                         break;
                 case IWL_SISO_SWITCH_GI:
+                        if (!tbl->is_fat &&
+                                !(priv->current_ht_config.sgf &
+                                                HT_SHORT_GI_20MHZ))
+                                break;
+                        if (tbl->is_fat &&
+                                !(priv->current_ht_config.sgf &
+                                                HT_SHORT_GI_40MHZ))
+                                break;
+
                         IWL_DEBUG_RATE("LQ: SISO toggle SGI/NGI\n");
 
                         memcpy(search_tbl, tbl, sz);
@@ -1521,6 +1530,15 @@ static int rs_move_mimo_to_other(struct iwl_priv *priv,
                         break;
 
                 case IWL_MIMO_SWITCH_GI:
+                        if (!tbl->is_fat &&
+                                !(priv->current_ht_config.sgf &
+                                                HT_SHORT_GI_20MHZ))
+                                break;
+                        if (tbl->is_fat &&
+                                !(priv->current_ht_config.sgf &
+                                                HT_SHORT_GI_40MHZ))
+                                break;
+
                         IWL_DEBUG_RATE("LQ: MIMO toggle SGI/NGI\n");
 
                         /* Set up new search table for MIMO */
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 4106efd194e4..7a54682a3d86 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -610,8 +610,8 @@ struct iwl_hw_params {
 #endif
 };
 
-#define HT_SHORT_GI_20MHZ_ONLY  (1 << 0)
-#define HT_SHORT_GI_40MHZ_ONLY  (1 << 1)
+#define HT_SHORT_GI_20MHZ       (1 << 0)
+#define HT_SHORT_GI_40MHZ       (1 << 1)
 
 
 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index dd2fd4055306..a532a9e576dc 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -700,9 +700,9 @@ static void iwl4965_ht_conf(struct iwl_priv *priv,
         priv->ps_mode = (u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);
 
         if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
-                iwl_conf->sgf |= 0x1;
+                iwl_conf->sgf |= HT_SHORT_GI_20MHZ;
         if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
-                iwl_conf->sgf |= 0x2;
+                iwl_conf->sgf |= HT_SHORT_GI_40MHZ;
 
         iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD);
         iwl_conf->max_amsdu_size =