NFC: Changed the HCI cmd execution callback prototype

Make it match the data_exchange_cb_t so that it can be used directly in
the implementation of an asynchronous hci_transceive

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/net/nfc/hci/hci.h b/net/nfc/hci/hci.h
index fa9a21e..b274d12 100644
--- a/net/nfc/hci/hci.h
+++ b/net/nfc/hci/hci.h
@@ -20,6 +20,8 @@
 #ifndef __LOCAL_HCI_H
 #define __LOCAL_HCI_H
 
+#include <net/nfc/hci.h>
+
 struct gate_pipe_map {
 	u8 gate;
 	u8 pipe;
@@ -35,15 +37,6 @@
 	struct hcp_message message;
 } __packed;
 
-/*
- * HCI command execution completion callback.
- * result will be a standard linux error (may be converted from HCI response)
- * skb contains the response data and must be disposed, or may be NULL if
- * an error occured
- */
-typedef void (*hci_cmd_cb_t) (struct nfc_hci_dev *hdev, int result,
-			      struct sk_buff *skb, void *cb_data);
-
 struct hcp_exec_waiter {
 	wait_queue_head_t *wq;
 	bool exec_complete;
@@ -55,7 +48,7 @@
 	struct list_head msg_l;
 	struct sk_buff_head msg_frags;
 	bool wait_response;
-	hci_cmd_cb_t cb;
+	data_exchange_cb_t cb;
 	void *cb_context;
 	unsigned long completion_delay;
 };
@@ -83,7 +76,7 @@
 int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe,
 			   u8 type, u8 instruction,
 			   const u8 *payload, size_t payload_len,
-			   hci_cmd_cb_t cb, void *cb_data,
+			   data_exchange_cb_t cb, void *cb_context,
 			   unsigned long completion_delay);
 
 u8 nfc_hci_pipe2gate(struct nfc_hci_dev *hdev, u8 pipe);