iwlwifi: 802.11n spec removes AUTO offset for FAT channel

This patch adapts to 802.11 patch and remove AUTO offset for FAT
channel

Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 8b9c419..bb8f002 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -4416,7 +4416,7 @@
 	if (!is_channel_valid(ch_info))
 		return 0;
 
-	if (extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_AUTO)
+	if (extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE)
 		return 0;
 
 	if ((ch_info->fat_extension_channel == extension_chan_offset) ||
@@ -4433,7 +4433,7 @@
 
 	if ((!iwl_ht_conf->is_ht) ||
 	   (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ) ||
-	   (iwl_ht_conf->extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_AUTO))
+	   (iwl_ht_conf->extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE))
 		return 0;
 
 	if (sta_ht_inf) {
@@ -4478,9 +4478,7 @@
 	case IWL_EXT_CHANNEL_OFFSET_BELOW:
 		rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
 		break;
-	case IWL_EXT_CHANNEL_OFFSET_AUTO:
-		rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK;
-		break;
+	case IWL_EXT_CHANNEL_OFFSET_NONE:
 	default:
 		rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK;
 		break;