iwlagn: use enum iwl_rxon_context_id instead of u8

enum iwl_rxon_context_id is the right type to use when we need a
rxon_context_id.

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-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c
index 228c861..209dd7e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.c
@@ -1041,7 +1041,8 @@
 }
 
 static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
-		struct iwl_device_cmd *dev_cmd, u8 ctx, u8 sta_id)
+		struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx,
+		u8 sta_id)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@@ -1413,7 +1414,7 @@
 #endif /* CONFIG_PM */
 
 static void iwl_trans_pcie_wake_any_queue(struct iwl_trans *trans,
-					  u8 ctx)
+					  enum iwl_rxon_context_id ctx)
 {
 	u8 ac, txq_id;
 	struct iwl_trans_pcie *trans_pcie =