iwlagn: donot process bt update when bt coex disable

If bt coex is disabled, do not process any bt related information
from uCode even received.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 3aa486437509..325ff5c89ee8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1832,7 +1832,7 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
          * IBSS mode (no proper uCode support for coex then).
          */
         if (!bt_coex_active || priv->iw_mode == NL80211_IFTYPE_ADHOC) {
-                bt_cmd.flags = 0;
+                bt_cmd.flags = IWLAGN_BT_FLAG_COEX_MODE_DISABLED;
         } else {
                 bt_cmd.flags = IWLAGN_BT_FLAG_COEX_MODE_3W <<
                                         IWLAGN_BT_FLAG_COEX_MODE_SHIFT;
@@ -1869,6 +1869,11 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work)
         struct iwl_rxon_context *ctx;
         int smps_request = -1;
 
+        if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) {
+                /* bt coex disabled */
+                return;
+        }
+
         /*
          * Note: bt_traffic_load can be overridden by scan complete and
          * coex profile notifications. Ignore that since only bad consequence
@@ -2022,6 +2027,11 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
         struct iwl_bt_coex_profile_notif *coex = &pkt->u.bt_coex_profile_notif;
         struct iwl_bt_uart_msg *uart_msg = &coex->last_bt_uart_msg;
 
+        if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) {
+                /* bt coex disabled */
+                return;
+        }
+
         IWL_DEBUG_NOTIF(priv, "BT Coex notification:\n");
         IWL_DEBUG_NOTIF(priv, "    status: %d\n", coex->bt_status);
         IWL_DEBUG_NOTIF(priv, "    traffic load: %d\n", coex->bt_traffic_load);