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Diffstat (limited to 'net/nfc/nci/core.c')
-rw-r--r--net/nfc/nci/core.c113
1 files changed, 54 insertions, 59 deletions
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index a47e90c7d9d1..9ec065bb9ee1 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -66,9 +66,8 @@ static void nci_req_cancel(struct nci_dev *ndev, int err)
/* Execute request and wait for completion. */
static int __nci_request(struct nci_dev *ndev,
- void (*req)(struct nci_dev *ndev, unsigned long opt),
- unsigned long opt,
- __u32 timeout)
+ void (*req)(struct nci_dev *ndev, unsigned long opt),
+ unsigned long opt, __u32 timeout)
{
int rc = 0;
long completion_rc;
@@ -77,9 +76,9 @@ static int __nci_request(struct nci_dev *ndev,
init_completion(&ndev->req_completion);
req(ndev, opt);
- completion_rc = wait_for_completion_interruptible_timeout(
- &ndev->req_completion,
- timeout);
+ completion_rc =
+ wait_for_completion_interruptible_timeout(&ndev->req_completion,
+ timeout);
pr_debug("wait_for_completion return %ld\n", completion_rc);
@@ -110,8 +109,9 @@ static int __nci_request(struct nci_dev *ndev,
}
static inline int nci_request(struct nci_dev *ndev,
- void (*req)(struct nci_dev *ndev, unsigned long opt),
- unsigned long opt, __u32 timeout)
+ void (*req)(struct nci_dev *ndev,
+ unsigned long opt),
+ unsigned long opt, __u32 timeout)
{
int rc;
@@ -152,14 +152,14 @@ static void nci_init_complete_req(struct nci_dev *ndev, unsigned long opt)
/* by default mapping is set to NCI_RF_INTERFACE_FRAME */
for (i = 0; i < ndev->num_supported_rf_interfaces; i++) {
if (ndev->supported_rf_interfaces[i] ==
- NCI_RF_INTERFACE_ISO_DEP) {
+ NCI_RF_INTERFACE_ISO_DEP) {
cfg[*num].rf_protocol = NCI_RF_PROTOCOL_ISO_DEP;
cfg[*num].mode = NCI_DISC_MAP_MODE_POLL |
NCI_DISC_MAP_MODE_LISTEN;
cfg[*num].rf_interface = NCI_RF_INTERFACE_ISO_DEP;
(*num)++;
} else if (ndev->supported_rf_interfaces[i] ==
- NCI_RF_INTERFACE_NFC_DEP) {
+ NCI_RF_INTERFACE_NFC_DEP) {
cfg[*num].rf_protocol = NCI_RF_PROTOCOL_NFC_DEP;
cfg[*num].mode = NCI_DISC_MAP_MODE_POLL |
NCI_DISC_MAP_MODE_LISTEN;
@@ -172,8 +172,7 @@ static void nci_init_complete_req(struct nci_dev *ndev, unsigned long opt)
}
nci_send_cmd(ndev, NCI_OP_RF_DISCOVER_MAP_CMD,
- (1 + ((*num)*sizeof(struct disc_map_config))),
- &cmd);
+ (1 + ((*num) * sizeof(struct disc_map_config))), &cmd);
}
static void nci_rf_discover_req(struct nci_dev *ndev, unsigned long opt)
@@ -184,36 +183,36 @@ static void nci_rf_discover_req(struct nci_dev *ndev, unsigned long opt)
cmd.num_disc_configs = 0;
if ((cmd.num_disc_configs < NCI_MAX_NUM_RF_CONFIGS) &&
- (protocols & NFC_PROTO_JEWEL_MASK
- || protocols & NFC_PROTO_MIFARE_MASK
- || protocols & NFC_PROTO_ISO14443_MASK
- || protocols & NFC_PROTO_NFC_DEP_MASK)) {
+ (protocols & NFC_PROTO_JEWEL_MASK
+ || protocols & NFC_PROTO_MIFARE_MASK
+ || protocols & NFC_PROTO_ISO14443_MASK
+ || protocols & NFC_PROTO_NFC_DEP_MASK)) {
cmd.disc_configs[cmd.num_disc_configs].rf_tech_and_mode =
- NCI_NFC_A_PASSIVE_POLL_MODE;
+ NCI_NFC_A_PASSIVE_POLL_MODE;
cmd.disc_configs[cmd.num_disc_configs].frequency = 1;
cmd.num_disc_configs++;
}
if ((cmd.num_disc_configs < NCI_MAX_NUM_RF_CONFIGS) &&
- (protocols & NFC_PROTO_ISO14443_MASK)) {
+ (protocols & NFC_PROTO_ISO14443_MASK)) {
cmd.disc_configs[cmd.num_disc_configs].rf_tech_and_mode =
- NCI_NFC_B_PASSIVE_POLL_MODE;
+ NCI_NFC_B_PASSIVE_POLL_MODE;
cmd.disc_configs[cmd.num_disc_configs].frequency = 1;
cmd.num_disc_configs++;
}
if ((cmd.num_disc_configs < NCI_MAX_NUM_RF_CONFIGS) &&
- (protocols & NFC_PROTO_FELICA_MASK
- || protocols & NFC_PROTO_NFC_DEP_MASK)) {
+ (protocols & NFC_PROTO_FELICA_MASK
+ || protocols & NFC_PROTO_NFC_DEP_MASK)) {
cmd.disc_configs[cmd.num_disc_configs].rf_tech_and_mode =
- NCI_NFC_F_PASSIVE_POLL_MODE;
+ NCI_NFC_F_PASSIVE_POLL_MODE;
cmd.disc_configs[cmd.num_disc_configs].frequency = 1;
cmd.num_disc_configs++;
}
nci_send_cmd(ndev, NCI_OP_RF_DISCOVER_CMD,
- (1 + (cmd.num_disc_configs*sizeof(struct disc_config))),
- &cmd);
+ (1 + (cmd.num_disc_configs * sizeof(struct disc_config))),
+ &cmd);
}
struct nci_rf_discover_select_param {
@@ -224,7 +223,7 @@ struct nci_rf_discover_select_param {
static void nci_rf_discover_select_req(struct nci_dev *ndev, unsigned long opt)
{
struct nci_rf_discover_select_param *param =
- (struct nci_rf_discover_select_param *)opt;
+ (struct nci_rf_discover_select_param *)opt;
struct nci_rf_discover_select_cmd cmd;
cmd.rf_discovery_id = param->rf_discovery_id;
@@ -245,8 +244,7 @@ static void nci_rf_discover_select_req(struct nci_dev *ndev, unsigned long opt)
}
nci_send_cmd(ndev, NCI_OP_RF_DISCOVER_SELECT_CMD,
- sizeof(struct nci_rf_discover_select_cmd),
- &cmd);
+ sizeof(struct nci_rf_discover_select_cmd), &cmd);
}
static void nci_rf_deactivate_req(struct nci_dev *ndev, unsigned long opt)
@@ -256,8 +254,7 @@ static void nci_rf_deactivate_req(struct nci_dev *ndev, unsigned long opt)
cmd.type = NCI_DEACTIVATE_TYPE_IDLE_MODE;
nci_send_cmd(ndev, NCI_OP_RF_DEACTIVATE_CMD,
- sizeof(struct nci_rf_deactivate_cmd),
- &cmd);
+ sizeof(struct nci_rf_deactivate_cmd), &cmd);
}
static int nci_open_device(struct nci_dev *ndev)
@@ -281,16 +278,16 @@ static int nci_open_device(struct nci_dev *ndev)
set_bit(NCI_INIT, &ndev->flags);
rc = __nci_request(ndev, nci_reset_req, 0,
- msecs_to_jiffies(NCI_RESET_TIMEOUT));
+ msecs_to_jiffies(NCI_RESET_TIMEOUT));
if (!rc) {
rc = __nci_request(ndev, nci_init_req, 0,
- msecs_to_jiffies(NCI_INIT_TIMEOUT));
+ msecs_to_jiffies(NCI_INIT_TIMEOUT));
}
if (!rc) {
rc = __nci_request(ndev, nci_init_complete_req, 0,
- msecs_to_jiffies(NCI_INIT_TIMEOUT));
+ msecs_to_jiffies(NCI_INIT_TIMEOUT));
}
clear_bit(NCI_INIT, &ndev->flags);
@@ -340,7 +337,7 @@ static int nci_close_device(struct nci_dev *ndev)
set_bit(NCI_INIT, &ndev->flags);
__nci_request(ndev, nci_reset_req, 0,
- msecs_to_jiffies(NCI_RESET_TIMEOUT));
+ msecs_to_jiffies(NCI_RESET_TIMEOUT));
clear_bit(NCI_INIT, &ndev->flags);
/* Flush cmd wq */
@@ -396,7 +393,7 @@ static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols)
int rc;
if ((atomic_read(&ndev->state) == NCI_DISCOVERY) ||
- (atomic_read(&ndev->state) == NCI_W4_ALL_DISCOVERIES)) {
+ (atomic_read(&ndev->state) == NCI_W4_ALL_DISCOVERIES)) {
pr_err("unable to start poll, since poll is already active\n");
return -EBUSY;
}
@@ -407,17 +404,17 @@ static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols)
}
if ((atomic_read(&ndev->state) == NCI_W4_HOST_SELECT) ||
- (atomic_read(&ndev->state) == NCI_POLL_ACTIVE)) {
+ (atomic_read(&ndev->state) == NCI_POLL_ACTIVE)) {
pr_debug("target active or w4 select, implicitly deactivate\n");
rc = nci_request(ndev, nci_rf_deactivate_req, 0,
- msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT));
+ msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT));
if (rc)
return -EBUSY;
}
rc = nci_request(ndev, nci_rf_discover_req, protocols,
- msecs_to_jiffies(NCI_RF_DISC_TIMEOUT));
+ msecs_to_jiffies(NCI_RF_DISC_TIMEOUT));
if (!rc)
ndev->poll_prots = protocols;
@@ -430,17 +427,17 @@ static void nci_stop_poll(struct nfc_dev *nfc_dev)
struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
if ((atomic_read(&ndev->state) != NCI_DISCOVERY) &&
- (atomic_read(&ndev->state) != NCI_W4_ALL_DISCOVERIES)) {
+ (atomic_read(&ndev->state) != NCI_W4_ALL_DISCOVERIES)) {
pr_err("unable to stop poll, since poll is not active\n");
return;
}
nci_request(ndev, nci_rf_deactivate_req, 0,
- msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT));
+ msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT));
}
static int nci_activate_target(struct nfc_dev *nfc_dev, __u32 target_idx,
- __u32 protocol)
+ __u32 protocol)
{
struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
struct nci_rf_discover_select_param param;
@@ -451,7 +448,7 @@ static int nci_activate_target(struct nfc_dev *nfc_dev, __u32 target_idx,
pr_debug("target_idx %d, protocol 0x%x\n", target_idx, protocol);
if ((atomic_read(&ndev->state) != NCI_W4_HOST_SELECT) &&
- (atomic_read(&ndev->state) != NCI_POLL_ACTIVE)) {
+ (atomic_read(&ndev->state) != NCI_POLL_ACTIVE)) {
pr_err("there is no available target to activate\n");
return -EINVAL;
}
@@ -494,8 +491,8 @@ static int nci_activate_target(struct nfc_dev *nfc_dev, __u32 target_idx,
param.rf_protocol = NCI_RF_PROTOCOL_NFC_DEP;
rc = nci_request(ndev, nci_rf_discover_select_req,
- (unsigned long)&param,
- msecs_to_jiffies(NCI_RF_DISC_SELECT_TIMEOUT));
+ (unsigned long)&param,
+ msecs_to_jiffies(NCI_RF_DISC_SELECT_TIMEOUT));
}
if (!rc)
@@ -519,14 +516,13 @@ static void nci_deactivate_target(struct nfc_dev *nfc_dev, __u32 target_idx)
if (atomic_read(&ndev->state) == NCI_POLL_ACTIVE) {
nci_request(ndev, nci_rf_deactivate_req, 0,
- msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT));
+ msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT));
}
}
static int nci_data_exchange(struct nfc_dev *nfc_dev, __u32 target_idx,
- struct sk_buff *skb,
- data_exchange_cb_t cb,
- void *cb_context)
+ struct sk_buff *skb,
+ data_exchange_cb_t cb, void *cb_context)
{
struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
int rc;
@@ -571,9 +567,8 @@ static struct nfc_ops nci_nfc_ops = {
* @supported_protocols: NFC protocols supported by the device
*/
struct nci_dev *nci_allocate_device(struct nci_ops *ops,
- __u32 supported_protocols,
- int tx_headroom,
- int tx_tailroom)
+ __u32 supported_protocols,
+ int tx_headroom, int tx_tailroom)
{
struct nci_dev *ndev;
@@ -594,9 +589,9 @@ struct nci_dev *nci_allocate_device(struct nci_ops *ops,
ndev->tx_tailroom = tx_tailroom;
ndev->nfc_dev = nfc_allocate_device(&nci_nfc_ops,
- supported_protocols,
- tx_headroom + NCI_DATA_HDR_SIZE,
- tx_tailroom);
+ supported_protocols,
+ tx_headroom + NCI_DATA_HDR_SIZE,
+ tx_tailroom);
if (!ndev->nfc_dev)
goto free_exit;
@@ -668,9 +663,9 @@ int nci_register_device(struct nci_dev *ndev)
skb_queue_head_init(&ndev->tx_q);
setup_timer(&ndev->cmd_timer, nci_cmd_timer,
- (unsigned long) ndev);
+ (unsigned long) ndev);
setup_timer(&ndev->data_timer, nci_data_timer,
- (unsigned long) ndev);
+ (unsigned long) ndev);
mutex_init(&ndev->req_lock);
@@ -719,7 +714,7 @@ int nci_recv_frame(struct sk_buff *skb)
pr_debug("len %d\n", skb->len);
if (!ndev || (!test_bit(NCI_UP, &ndev->flags)
- && !test_bit(NCI_INIT, &ndev->flags))) {
+ && !test_bit(NCI_INIT, &ndev->flags))) {
kfree_skb(skb);
return -ENXIO;
}
@@ -799,7 +794,7 @@ static void nci_tx_work(struct work_struct *work)
/* Check if data flow control is used */
if (atomic_read(&ndev->credits_cnt) !=
- NCI_DATA_FLOW_CONTROL_NOT_USED)
+ NCI_DATA_FLOW_CONTROL_NOT_USED)
atomic_dec(&ndev->credits_cnt);
pr_debug("NCI TX: MT=data, PBF=%d, conn_id=%d, plen=%d\n",
@@ -810,7 +805,7 @@ static void nci_tx_work(struct work_struct *work)
nci_send_frame(skb);
mod_timer(&ndev->data_timer,
- jiffies + msecs_to_jiffies(NCI_DATA_TIMEOUT));
+ jiffies + msecs_to_jiffies(NCI_DATA_TIMEOUT));
}
}
@@ -879,6 +874,6 @@ static void nci_cmd_work(struct work_struct *work)
nci_send_frame(skb);
mod_timer(&ndev->cmd_timer,
- jiffies + msecs_to_jiffies(NCI_CMD_TIMEOUT));
+ jiffies + msecs_to_jiffies(NCI_CMD_TIMEOUT));
}
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-18 08:01:37 +0200