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authorEric Lapuyade <eric.lapuyade@linux.intel.com>2012-09-11 12:41:41 +0400
committerSamuel Ortiz <sameo@linux.intel.com>2012-09-25 02:17:25 +0400
commitb5faa648faf974b58e5a79eafa9a97e1deed7a8a (patch)
treed19b222e6dfb7cc9bfd0df675e583d7e9ec9db8f /net/nfc
parentc1be211727467882e0485ab062e712a3c1fba840 (diff)
downloadlinux-b5faa648faf974b58e5a79eafa9a97e1deed7a8a.tar.xz
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>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/hci/command.c11
-rw-r--r--net/nfc/hci/core.c15
-rw-r--r--net/nfc/hci/hci.h15
-rw-r--r--net/nfc/hci/hcp.c4
4 files changed, 21 insertions, 24 deletions
diff --git a/net/nfc/hci/command.c b/net/nfc/hci/command.c
index 46362ef979db..15e21093c7a5 100644
--- a/net/nfc/hci/command.c
+++ b/net/nfc/hci/command.c
@@ -28,10 +28,15 @@
#include "hci.h"
-static void nfc_hci_execute_cb(struct nfc_hci_dev *hdev, int err,
- struct sk_buff *skb, void *cb_data)
+/*
+ * HCI command execution completion callback.
+ * err 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
+ */
+static void nfc_hci_execute_cb(void *context, struct sk_buff *skb, int err)
{
- struct hcp_exec_waiter *hcp_ew = (struct hcp_exec_waiter *)cb_data;
+ struct hcp_exec_waiter *hcp_ew = (struct hcp_exec_waiter *)context;
pr_debug("HCI Cmd completed with result=%d\n", err);
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index 15744c01bddc..e387c86e0cc7 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -57,12 +57,11 @@ static void nfc_hci_msg_tx_work(struct work_struct *work)
if (hdev->cmd_pending_msg) {
if (timer_pending(&hdev->cmd_timer) == 0) {
if (hdev->cmd_pending_msg->cb)
- hdev->cmd_pending_msg->cb(hdev,
- -ETIME,
- NULL,
- hdev->
+ hdev->cmd_pending_msg->cb(hdev->
cmd_pending_msg->
- cb_context);
+ cb_context,
+ NULL,
+ -ETIME);
kfree(hdev->cmd_pending_msg);
hdev->cmd_pending_msg = NULL;
} else
@@ -83,7 +82,7 @@ next_msg:
kfree_skb(skb);
skb_queue_purge(&msg->msg_frags);
if (msg->cb)
- msg->cb(hdev, r, NULL, msg->cb_context);
+ msg->cb(msg->cb_context, NULL, r);
kfree(msg);
break;
}
@@ -133,8 +132,8 @@ static void __nfc_hci_cmd_completion(struct nfc_hci_dev *hdev, int err,
del_timer_sync(&hdev->cmd_timer);
if (hdev->cmd_pending_msg->cb)
- hdev->cmd_pending_msg->cb(hdev, err, skb,
- hdev->cmd_pending_msg->cb_context);
+ hdev->cmd_pending_msg->cb(hdev->cmd_pending_msg->cb_context,
+ skb, err);
else
kfree_skb(skb);
diff --git a/net/nfc/hci/hci.h b/net/nfc/hci/hci.h
index fa9a21e92239..b274d12c18ac 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_packet {
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 hci_msg {
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 @@ struct hci_create_pipe_resp {
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);
diff --git a/net/nfc/hci/hcp.c b/net/nfc/hci/hcp.c
index 2372b558abe9..208eedd07ee3 100644
--- a/net/nfc/hci/hcp.c
+++ b/net/nfc/hci/hcp.c
@@ -35,7 +35,7 @@
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)
{
struct nfc_dev *ndev = hdev->ndev;
@@ -52,7 +52,7 @@ int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe,
skb_queue_head_init(&cmd->msg_frags);
cmd->wait_response = (type == NFC_HCI_HCP_COMMAND) ? true : false;
cmd->cb = cb;
- cmd->cb_context = cb_data;
+ cmd->cb_context = cb_context;
cmd->completion_delay = completion_delay;
hci_len = payload_len + 1;