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Message-Id: <20210913132035.242870-2-krzysztof.kozlowski@canonical.com>
Date: Mon, 13 Sep 2021 15:20:21 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Krzysztof Opasiak <k.opasiak@...sung.com>,
Mark Greer <mgreer@...malcreek.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>, linux-nfc@...ts.01.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-wireless@...r.kernel.org
Subject: [PATCH v2 01/15] nfc: drop unneeded debug prints
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@...onical.com>
---
net/nfc/hci/command.c | 16 ----------------
net/nfc/hci/llc_shdlc.c | 12 ------------
net/nfc/llcp_commands.c | 8 --------
net/nfc/llcp_core.c | 5 +----
net/nfc/nci/core.c | 4 ----
net/nfc/nci/hci.c | 4 ----
net/nfc/nci/ntf.c | 9 ---------
7 files changed, 1 insertion(+), 57 deletions(-)
diff --git a/net/nfc/hci/command.c b/net/nfc/hci/command.c
index 3a89bd9b89fc..af6bacb3ba98 100644
--- a/net/nfc/hci/command.c
+++ b/net/nfc/hci/command.c
@@ -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;
diff --git a/net/nfc/hci/llc_shdlc.c b/net/nfc/hci/llc_shdlc.c
index aef750d7787c..78b2ceb8ae6e 100644
--- a/net/nfc/hci/llc_shdlc.c
+++ b/net/nfc/hci/llc_shdlc.c
@@ -365,8 +365,6 @@ 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;
@@ -381,8 +379,6 @@ 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;
@@ -573,8 +569,6 @@ 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);
}
@@ -601,8 +595,6 @@ 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) {
@@ -686,8 +678,6 @@ 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;
@@ -706,8 +696,6 @@ 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;
diff --git a/net/nfc/llcp_commands.c b/net/nfc/llcp_commands.c
index 3c4172a5aeb5..41e3a20c8935 100644
--- a/net/nfc/llcp_commands.c
+++ b/net/nfc/llcp_commands.c
@@ -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;
diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c
index eaeb2b1cfa6a..5ad5157aa9c5 100644
--- a/net/nfc/llcp_core.c
+++ b/net/nfc/llcp_core.c
@@ -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;
}
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 82ab39d80726..6fd873aa86be 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -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 {
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index e199912ee1e5..19703a649b5a 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -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);
}
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index c5eacaac41ae..282c51051dcc 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -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:
--
2.30.2
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