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nfc: drop unneeded debug prints

Browse Source 
ftrace is a preferred and standard way to debug entering and exiting
functions so drop useless debug prints.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2021-10-11 15:38:29 +02:00 committed by Jakub Kicinski
parent 311c13ddc8
commit 5b25a5bf5e
7 changed files with 1 additions and 57 deletions
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16
net/nfc/hci/command.c
View File

@ -114,8 +114,6 @@ int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
{
u8 pipe;
pr_debug("\n");
pipe = hdev->gate2pipe[gate];
if (pipe == NFC_HCI_INVALID_PIPE)
return -EADDRNOTAVAIL;
@ -130,8 +128,6 @@ int nfc_hci_send_cmd_async(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
{
u8 pipe;
pr_debug("\n");
pipe = hdev->gate2pipe[gate];
if (pipe == NFC_HCI_INVALID_PIPE)
return -EADDRNOTAVAIL;
@ -205,8 +201,6 @@ static int nfc_hci_open_pipe(struct nfc_hci_dev *hdev, u8 pipe)
static int nfc_hci_close_pipe(struct nfc_hci_dev *hdev, u8 pipe)
{
pr_debug("\n");
return nfc_hci_execute_cmd(hdev, pipe, NFC_HCI_ANY_CLOSE_PIPE,
NULL, 0, NULL);
}
@ -242,8 +236,6 @@ static u8 nfc_hci_create_pipe(struct nfc_hci_dev *hdev, u8 dest_host,
static int nfc_hci_delete_pipe(struct nfc_hci_dev *hdev, u8 pipe)
{
pr_debug("\n");
return nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE,
NFC_HCI_ADM_DELETE_PIPE, &pipe, 1, NULL);
}
@ -256,8 +248,6 @@ static int nfc_hci_clear_all_pipes(struct nfc_hci_dev *hdev)
/* TODO: Find out what the identity reference data is
* and fill param with it. HCI spec 6.1.3.5 */
pr_debug("\n");
if (test_bit(NFC_HCI_QUIRK_SHORT_CLEAR, &hdev->quirks))
param_len = 0;
@ -271,8 +261,6 @@ int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate)
int r;
u8 pipe = hdev->gate2pipe[gate];
pr_debug("\n");
if (pipe == NFC_HCI_INVALID_PIPE)
return -EADDRNOTAVAIL;
@ -296,8 +284,6 @@ int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev)
{
int r;
pr_debug("\n");
r = nfc_hci_clear_all_pipes(hdev);
if (r < 0)
return r;
@ -314,8 +300,6 @@ int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
bool pipe_created = false;
int r;
pr_debug("\n");
if (pipe == NFC_HCI_DO_NOT_CREATE_PIPE)
return 0;

12
net/nfc/hci/llc_shdlc.c
View File

@ -363,8 +363,6 @@ static int llc_shdlc_connect_initiate(const struct llc_shdlc *shdlc)
{
struct sk_buff *skb;
pr_debug("\n");
skb = llc_shdlc_alloc_skb(shdlc, 2);
if (skb == NULL)
return -ENOMEM;
@ -379,8 +377,6 @@ static int llc_shdlc_connect_send_ua(const struct llc_shdlc *shdlc)
{
struct sk_buff *skb;
pr_debug("\n");
skb = llc_shdlc_alloc_skb(shdlc, 0);
if (skb == NULL)
return -ENOMEM;
@ -570,8 +566,6 @@ static void llc_shdlc_connect_timeout(struct timer_list *t)
{
struct llc_shdlc *shdlc = from_timer(shdlc, t, connect_timer);
pr_debug("\n");
schedule_work(&shdlc->sm_work);
}
@ -598,8 +592,6 @@ static void llc_shdlc_sm_work(struct work_struct *work)
struct llc_shdlc *shdlc = container_of(work, struct llc_shdlc, sm_work);
int r;
pr_debug("\n");
mutex_lock(&shdlc->state_mutex);
switch (shdlc->state) {
@ -681,8 +673,6 @@ static int llc_shdlc_connect(struct llc_shdlc *shdlc)
{
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(connect_wq);
pr_debug("\n");
mutex_lock(&shdlc->state_mutex);
shdlc->state = SHDLC_CONNECTING;
@ -701,8 +691,6 @@ static int llc_shdlc_connect(struct llc_shdlc *shdlc)
static void llc_shdlc_disconnect(struct llc_shdlc *shdlc)
{
pr_debug("\n");
mutex_lock(&shdlc->state_mutex);
shdlc->state = SHDLC_DISCONNECTED;

8
net/nfc/llcp_commands.c
View File

@ -337,8 +337,6 @@ int nfc_llcp_send_disconnect(struct nfc_llcp_sock *sock)
struct nfc_dev *dev;
struct nfc_llcp_local *local;
pr_debug("Sending DISC\n");
local = sock->local;
if (local == NULL)
return -ENODEV;
@ -362,8 +360,6 @@ int nfc_llcp_send_symm(struct nfc_dev *dev)
struct nfc_llcp_local *local;
u16 size = 0;
pr_debug("Sending SYMM\n");
local = nfc_llcp_find_local(dev);
if (local == NULL)
return -ENODEV;
@ -399,8 +395,6 @@ int nfc_llcp_send_connect(struct nfc_llcp_sock *sock)
u16 size = 0;
__be16 miux;
pr_debug("Sending CONNECT\n");
local = sock->local;
if (local == NULL)
return -ENODEV;
@ -475,8 +469,6 @@ int nfc_llcp_send_cc(struct nfc_llcp_sock *sock)
u16 size = 0;
__be16 miux;
pr_debug("Sending CC\n");
local = sock->local;
if (local == NULL)
return -ENODEV;

5
net/nfc/llcp_core.c
View File

@ -45,8 +45,6 @@ static void nfc_llcp_socket_purge(struct nfc_llcp_sock *sock)
struct nfc_llcp_local *local = sock->local;
struct sk_buff *s, *tmp;
pr_debug("%p\n", &sock->sk);
skb_queue_purge(&sock->tx_queue);
skb_queue_purge(&sock->tx_pending_queue);
@ -1505,9 +1503,8 @@ void nfc_llcp_recv(void *data, struct sk_buff *skb, int err)
{
struct nfc_llcp_local *local = (struct nfc_llcp_local *) data;
pr_debug("Received an LLCP PDU\n");
if (err < 0) {
pr_err("err %d\n", err);
pr_err("LLCP PDU receive err %d\n", err);
return;
}

4
net/nfc/nci/core.c
View File

@ -930,8 +930,6 @@ static void nci_deactivate_target(struct nfc_dev *nfc_dev,
struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
unsigned long nci_mode = NCI_DEACTIVATE_TYPE_IDLE_MODE;
pr_debug("entry\n");
if (!ndev->target_active_prot) {
pr_err("unable to deactivate target, no active target\n");
return;
@ -977,8 +975,6 @@ static int nci_dep_link_down(struct nfc_dev *nfc_dev)
struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
int rc;
pr_debug("entry\n");
if (nfc_dev->rf_mode == NFC_RF_INITIATOR) {
nci_deactivate_target(nfc_dev, NULL, NCI_DEACTIVATE_TYPE_IDLE_MODE);
} else {

4
net/nfc/nci/hci.c
View File

@ -432,8 +432,6 @@ void nci_hci_data_received_cb(void *context,
struct sk_buff *frag_skb;
int msg_len;
pr_debug("\n");
if (err) {
nci_req_complete(ndev, err);
return;
@ -547,8 +545,6 @@ static u8 nci_hci_create_pipe(struct nci_dev *ndev, u8 dest_host,
static int nci_hci_delete_pipe(struct nci_dev *ndev, u8 pipe)
{
pr_debug("\n");
return nci_hci_send_cmd(ndev, NCI_HCI_ADMIN_GATE,
NCI_HCI_ADM_DELETE_PIPE, &pipe, 1, NULL);
}

9
net/nfc/nci/ntf.c
View File

@ -738,8 +738,6 @@ static void nci_nfcee_discover_ntf_packet(struct nci_dev *ndev,
const struct nci_nfcee_discover_ntf *nfcee_ntf =
(struct nci_nfcee_discover_ntf *)skb->data;
pr_debug("\n");
/* NFCForum NCI 9.2.1 HCI Network Specific Handling
* If the NFCC supports the HCI Network, it SHALL return one,
* and only one, NFCEE_DISCOVER_NTF with a Protocol type of
@ -751,12 +749,6 @@ static void nci_nfcee_discover_ntf_packet(struct nci_dev *ndev,
nci_req_complete(ndev, status);
}
static void nci_nfcee_action_ntf_packet(struct nci_dev *ndev,
const struct sk_buff *skb)
{
pr_debug("\n");
}
void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb)
{
__u16 ntf_opcode = nci_opcode(skb->data);
@ -813,7 +805,6 @@ void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb)
break;
case NCI_OP_RF_NFCEE_ACTION_NTF:
nci_nfcee_action_ntf_packet(ndev, skb);
break;
default: