iwlwifi: move workqueue to priv

In order to separate the different parts of the
driver better, we are reducing the shared data.
This moves the workqueue to "priv", and removes
it from the transport. To do this, simply use
schedule_work() in the transport.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 8837171..1cf99a5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -939,7 +939,7 @@
 
 static void iwl_setup_deferred_work(struct iwl_priv *priv)
 {
-	priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME);
+	priv->workqueue = create_singlethread_workqueue(DRV_NAME);
 
 	init_waitqueue_head(&priv->shrd->wait_command_queue);
 
@@ -1282,8 +1282,8 @@
 	return 0;
 
 out_destroy_workqueue:
-	destroy_workqueue(priv->shrd->workqueue);
-	priv->shrd->workqueue = NULL;
+	destroy_workqueue(priv->workqueue);
+	priv->workqueue = NULL;
 	iwl_uninit_drv(priv);
 out_free_eeprom:
 	iwl_eeprom_free(priv->shrd);
@@ -1321,13 +1321,13 @@
 	iwl_eeprom_free(priv->shrd);
 
 	/*netif_stop_queue(dev); */
-	flush_workqueue(priv->shrd->workqueue);
+	flush_workqueue(priv->workqueue);
 
 	/* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes
-	 * priv->shrd->workqueue... so we can't take down the workqueue
+	 * priv->workqueue... so we can't take down the workqueue
 	 * until now... */
-	destroy_workqueue(priv->shrd->workqueue);
-	priv->shrd->workqueue = NULL;
+	destroy_workqueue(priv->workqueue);
+	priv->workqueue = NULL;
 	iwl_free_traffic_mem(priv);
 
 	iwl_uninit_drv(priv);