1 files changed, 23 insertions, 4 deletions

diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c
index 86ea5f4c3939..54f553380aa8 100644
--- a/drivers/net/wireless/iwlwifi/dvm/lib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/lib.c
@@ -19,7 +19,7 @@
  * USA
  *
  * The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
  *
  * Contact Information:
  *  Intel Linux Wireless <ilw@linux.intel.com>
@@ -136,7 +136,7 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
  *  1. acquire mutex before calling
  *  2. make sure rf is on and not in exit state
  */
-int iwlagn_txfifo_flush(struct iwl_priv *priv)
+int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk)
 {
         struct iwl_txfifo_flush_cmd flush_cmd;
         struct iwl_host_cmd cmd = {
@@ -162,6 +162,9 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv)
         if (priv->nvm_data->sku_cap_11n_enable)
                 flush_cmd.queue_control |= IWL_AGG_TX_QUEUE_MSK;
 
+        if (scd_q_msk)
+                flush_cmd.queue_control = cpu_to_le32(scd_q_msk);
+
         IWL_DEBUG_INFO(priv, "queue control: 0x%x\n",
                        flush_cmd.queue_control);
         flush_cmd.flush_control = cpu_to_le16(IWL_DROP_ALL);
@@ -173,7 +176,7 @@ void iwlagn_dev_txfifo_flush(struct iwl_priv *priv)
 {
         mutex_lock(&priv->mutex);
         ieee80211_stop_queues(priv->hw);
-        if (iwlagn_txfifo_flush(priv)) {
+        if (iwlagn_txfifo_flush(priv, 0)) {
                 IWL_ERR(priv, "flush request fail\n");
                 goto done;
         }
@@ -1084,7 +1087,14 @@ int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan)
         struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
         struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd;
         struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {};
-        struct iwlagn_d3_config_cmd d3_cfg_cmd = {};
+        struct iwlagn_d3_config_cmd d3_cfg_cmd = {
+                /*
+                 * Program the minimum sleep time to 10 seconds, as many
+                 * platforms have issues processing a wakeup signal while
+                 * still being in the process of suspending.
+                 */
+                .min_sleep_time = cpu_to_le32(10 * 1000 * 1000),
+        };
         struct wowlan_key_data key_data = {
                 .ctx = ctx,
                 .bssid = ctx->active.bssid_addr,
@@ -1262,6 +1272,15 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
         }
 
         /*
+         * This can happen upon FW ASSERT: we clear the STATUS_FW_ERROR flag
+         * in iwl_down but cancel the workers only later.
+         */
+        if (!priv->ucode_loaded) {
+                IWL_ERR(priv, "Fw not loaded - dropping CMD: %x\n", cmd->id);
+                return -EIO;
+        }
+
+        /*
          * Synchronous commands from this op-mode must hold
          * the mutex, this ensures we don't try to send two
          * (or more) synchronous commands at a time.