iwlagn: provide heplers to access the transport ops

This removes the for priv->trans.ops->...

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 06faa1e2..78cf107 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -35,6 +35,7 @@
 #include "iwl-dev.h"
 #include "iwl-core.h"
 #include "iwl-sta.h"
+#include "iwl-trans.h"
 
 /* priv->sta_lock must be held */
 static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id)
@@ -156,7 +157,7 @@
 	}
 
 	cmd.len[0] = priv->cfg->ops->utils->build_addsta_hcmd(sta, data);
-	ret = priv->trans.ops->send_cmd(priv, &cmd);
+	ret = trans_send_cmd(priv, &cmd);
 
 	if (ret || (flags & CMD_ASYNC))
 		return ret;
@@ -412,7 +413,7 @@
 
 	cmd.flags |= CMD_WANT_SKB;
 
-	ret = priv->trans.ops->send_cmd(priv, &cmd);
+	ret = trans_send_cmd(priv, &cmd);
 
 	if (ret)
 		return ret;
@@ -781,7 +782,7 @@
 		return -EINVAL;
 
 	if (is_lq_table_valid(priv, ctx, lq))
-		ret = priv->trans.ops->send_cmd(priv, &cmd);
+		ret = trans_send_cmd(priv, &cmd);
 	else
 		ret = -EINVAL;