[linux-nfc] [PATCH 00/15] nfc: minor printk cleanup

[linux-nfc] [PATCH 00/15] nfc: minor printk cleanup

[Krzysztof Kozlowski]

Hi,

No dependencies, patches can be picked up as is.

Best regards,
Krzysztof


Krzysztof Kozlowski (15):
  nfc: drop unneeded debug prints
  nfc: do not break pr_debug() call into separate lines
  nfc: nci: replace GPLv2 boilerplate with SPDX
  nfc: fdp: drop unneeded debug prints
  nfc: pn533: drop unneeded debug prints
  nfc: pn533: use dev_err() instead of pr_err()
  nfc: pn544: drop unneeded debug prints
  nfc: pn544: drop unneeded memory allocation fail messages
  nfc: s3fwrn5: simplify dereferencing pointer to struct device
  nfc: st-nci: drop unneeded debug prints
  nfc: st21nfca: drop unneeded debug prints
  nfc: trf7970a: drop unneeded debug prints
  nfc: microread: drop unneeded debug prints
  nfc: microread: drop unneeded memory allocation fail messages
  nfc: mrvl: drop unneeded memory allocation fail messages

 drivers/nfc/fdp/i2c.c          |  1 -
 drivers/nfc/microread/i2c.c    |  4 ----
 drivers/nfc/microread/mei.c    |  6 +-----
 drivers/nfc/nfcmrvl/fw_dnld.c  |  4 +---
 drivers/nfc/pn533/i2c.c        |  1 -
 drivers/nfc/pn533/pn533.c      |  4 +---
 drivers/nfc/pn544/mei.c        |  8 +-------
 drivers/nfc/s3fwrn5/firmware.c | 29 +++++++++++-----------------
 drivers/nfc/s3fwrn5/nci.c      | 18 +++++++----------
 drivers/nfc/st-nci/i2c.c       |  4 ----
 drivers/nfc/st-nci/ndlc.c      |  4 ----
 drivers/nfc/st-nci/se.c        |  6 ------
 drivers/nfc/st-nci/spi.c       |  4 ----
 drivers/nfc/st21nfca/i2c.c     |  4 ----
 drivers/nfc/st21nfca/se.c      |  4 ----
 drivers/nfc/trf7970a.c         |  8 --------
 net/nfc/hci/command.c          | 16 ----------------
 net/nfc/hci/llc_shdlc.c        | 35 +++++++++-------------------------
 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 ---------
 net/nfc/nci/uart.c             | 16 ++--------------
 24 files changed, 34 insertions(+), 172 deletions(-)

-- 
2.30.2
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[linux-nfc] [PATCH 01/15] nfc: drop unneeded debug prints

[Krzysztof Kozlowski]

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>
---
 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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[linux-nfc] [PATCH 02/15] nfc: do not break pr_debug() call into separate lines

[Krzysztof Kozlowski]

Remove unneeded line break between pr_debug and arguments.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 net/nfc/hci/llc_shdlc.c | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/net/nfc/hci/llc_shdlc.c b/net/nfc/hci/llc_shdlc.c
index 78b2ceb8ae6e..e90f70385813 100644
--- a/net/nfc/hci/llc_shdlc.c
+++ b/net/nfc/hci/llc_shdlc.c
@@ -201,8 +201,7 @@ static void llc_shdlc_reset_t2(struct llc_shdlc *shdlc, int y_nr)
 			del_timer_sync(&shdlc->t2_timer);
 			shdlc->t2_active = false;
 
-			pr_debug
-			    ("All sent frames acked. Stopped T2(retransmit)\n");
+			pr_debug("All sent frames acked. Stopped T2(retransmit)\n");
 		}
 	} else {
 		skb = skb_peek(&shdlc->ack_pending_q);
@@ -211,8 +210,7 @@ static void llc_shdlc_reset_t2(struct llc_shdlc *shdlc, int y_nr)
 			  msecs_to_jiffies(SHDLC_T2_VALUE_MS));
 		shdlc->t2_active = true;
 
-		pr_debug
-		    ("Start T2(retransmit) for remaining unacked sent frames\n");
+		pr_debug("Start T2(retransmit) for remaining unacked sent frames\n");
 	}
 }
 
@@ -518,12 +516,11 @@ static void llc_shdlc_handle_send_queue(struct llc_shdlc *shdlc)
 	unsigned long time_sent;
 
 	if (shdlc->send_q.qlen)
-		pr_debug
-		    ("sendQlen=%d ns=%d dnr=%d rnr=%s w_room=%d unackQlen=%d\n",
-		     shdlc->send_q.qlen, shdlc->ns, shdlc->dnr,
-		     shdlc->rnr == false ? "false" : "true",
-		     shdlc->w - llc_shdlc_w_used(shdlc->ns, shdlc->dnr),
-		     shdlc->ack_pending_q.qlen);
+		pr_debug("sendQlen=%d ns=%d dnr=%d rnr=%s w_room=%d unackQlen=%d\n",
+			 shdlc->send_q.qlen, shdlc->ns, shdlc->dnr,
+			 shdlc->rnr == false ? "false" : "true",
+			 shdlc->w - llc_shdlc_w_used(shdlc->ns, shdlc->dnr),
+			 shdlc->ack_pending_q.qlen);
 
 	while (shdlc->send_q.qlen && shdlc->ack_pending_q.qlen < shdlc->w &&
 	       (shdlc->rnr == false)) {
@@ -641,8 +638,7 @@ static void llc_shdlc_sm_work(struct work_struct *work)
 		llc_shdlc_handle_send_queue(shdlc);
 
 		if (shdlc->t1_active && timer_pending(&shdlc->t1_timer) == 0) {
-			pr_debug
-			    ("Handle T1(send ack) elapsed (T1 now inactive)\n");
+			pr_debug("Handle T1(send ack) elapsed (T1 now inactive)\n");
 
 			shdlc->t1_active = false;
 			r = llc_shdlc_send_s_frame(shdlc, S_FRAME_RR,
@@ -652,8 +648,7 @@ static void llc_shdlc_sm_work(struct work_struct *work)
 		}
 
 		if (shdlc->t2_active && timer_pending(&shdlc->t2_timer) == 0) {
-			pr_debug
-			    ("Handle T2(retransmit) elapsed (T2 inactive)\n");
+			pr_debug("Handle T2(retransmit) elapsed (T2 inactive)\n");
 
 			shdlc->t2_active = false;
 
-- 
2.30.2
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[linux-nfc] [PATCH 03/15] nfc: nci: replace GPLv2 boilerplate with SPDX

[Krzysztof Kozlowski]

Replace standard GPLv2 only license text with SPDX tag.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 net/nfc/nci/uart.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/net/nfc/nci/uart.c b/net/nfc/nci/uart.c
index 502e7a3f8948..65814dd72618 100644
--- a/net/nfc/nci/uart.c
+++ b/net/nfc/nci/uart.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2015, Marvell International Ltd.
  *
- * This software file (the "File") is distributed by Marvell International
- * Ltd. under the terms of the GNU General Public License Version 2, June 1991
- * (the "License").  You may use, redistribute and/or modify this File in
- * accordance with the terms and conditions of the License, a copy of which
- * is available on the worldwide web at
- * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
- *
- * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
- * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
- * this warranty disclaimer.
- */
-
-/* Inspired (hugely) by HCI LDISC implementation in Bluetooth.
+ * Inspired (hugely) by HCI LDISC implementation in Bluetooth.
  *
  *  Copyright (C) 2000-2001  Qualcomm Incorporated
  *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com>
-- 
2.30.2
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[linux-nfc] [PATCH 04/15] nfc: fdp: drop unneeded debug prints

[Krzysztof Kozlowski]

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>
---
 drivers/nfc/fdp/i2c.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c
index 051c43a2a52f..f78670bf41e0 100644
--- a/drivers/nfc/fdp/i2c.c
+++ b/drivers/nfc/fdp/i2c.c
@@ -335,7 +335,6 @@ static int fdp_nci_i2c_probe(struct i2c_client *client)
 		return r;
 	}
 
-	dev_dbg(dev, "I2C driver loaded\n");
 	return 0;
 }
 
-- 
2.30.2
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[linux-nfc] [PATCH 05/15] nfc: pn533: drop unneeded debug prints

[Krzysztof Kozlowski]

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>
---
 drivers/nfc/pn533/i2c.c   | 1 -
 drivers/nfc/pn533/pn533.c | 2 --
 2 files changed, 3 deletions(-)

diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c
index e6bf8cfe3aa7..91d4a035eb63 100644
--- a/drivers/nfc/pn533/i2c.c
+++ b/drivers/nfc/pn533/i2c.c
@@ -138,7 +138,6 @@ static irqreturn_t pn533_i2c_irq_thread_fn(int irq, void *data)
 	}
 
 	client = phy->i2c_dev;
-	dev_dbg(&client->dev, "IRQ\n");
 
 	if (phy->hard_fault != 0)
 		return IRQ_HANDLED;
diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c
index 2f3f3fe9a0ba..c5f127fe2d45 100644
--- a/drivers/nfc/pn533/pn533.c
+++ b/drivers/nfc/pn533/pn533.c
@@ -1235,8 +1235,6 @@ static void pn533_listen_mode_timer(struct timer_list *t)
 {
 	struct pn533 *dev = from_timer(dev, t, listen_timer);
 
-	dev_dbg(dev->dev, "Listen mode timeout\n");
-
 	dev->cancel_listen = 1;
 
 	pn533_poll_next_mod(dev);
-- 
2.30.2
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[linux-nfc] Re: [PATCH 05/15] nfc: pn533: drop unneeded debug prints

[Krzysztof Kozlowski]

On 07/09/2021 14:18, Krzysztof Kozlowski wrote:
> 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>
> ---
>  drivers/nfc/pn533/i2c.c   | 1 -
>  drivers/nfc/pn533/pn533.c | 2 --
>  2 files changed, 3 deletions(-)
> 
> diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c
> index e6bf8cfe3aa7..91d4a035eb63 100644
> --- a/drivers/nfc/pn533/i2c.c
> +++ b/drivers/nfc/pn533/i2c.c
> @@ -138,7 +138,6 @@ static irqreturn_t pn533_i2c_irq_thread_fn(int irq, void *data)
>  	}
>  
>  	client = phy->i2c_dev;

This line should also be removed (reported by kbuild robot).

I will send a v2.


Best regards,
Krzysztof
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[linux-nfc] Re: [PATCH 05/15] nfc: pn533: drop unneeded debug prints

[Krzysztof Kozlowski]

On 07/09/2021 19:03, Jakub Kicinski wrote:
> On Tue, 7 Sep 2021 18:05:25 +0200 Krzysztof Kozlowski wrote:
>> On 07/09/2021 14:18, Krzysztof Kozlowski wrote:
>>> 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>
>>> ---
>>>  drivers/nfc/pn533/i2c.c   | 1 -
>>>  drivers/nfc/pn533/pn533.c | 2 --
>>>  2 files changed, 3 deletions(-)
>>>
>>> diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c
>>> index e6bf8cfe3aa7..91d4a035eb63 100644
>>> --- a/drivers/nfc/pn533/i2c.c
>>> +++ b/drivers/nfc/pn533/i2c.c
>>> @@ -138,7 +138,6 @@ static irqreturn_t pn533_i2c_irq_thread_fn(int irq, void *data)
>>>  	}
>>>  
>>>  	client = phy->i2c_dev;  
>>
>> This line should also be removed (reported by kbuild robot).
>>
>> I will send a v2.
> 
> Dave marked the series as Deferred (although this patch is Changes
> Requested, I'm guessing you did that, if so please don't change patch
> states in netdev pw)

Yes, that was me. Sorry for disturbing the process.

>, please hold off:
> 
> 
> # Form letter - net-next is closed
> 
> We have already sent the networking pull request for 5.15
> and therefore net-next is closed for new drivers, features,
> code refactoring and optimizations. We are currently accepting
> bug fixes only.
> 
> Please repost when net-next reopens after 5.15-rc1 is cut.
> 
> Look out for the announcement on the mailing list or check:
> http://vger.kernel.org/~davem/net-next.html
> 
> RFC patches sent for review only are obviously welcome at any time.

Sure, I'll wait till end of merge window.


Best regards,
Krzysztof
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[linux-nfc] [PATCH 06/15] nfc: pn533: use dev_err() instead of pr_err()

[Krzysztof Kozlowski]

Print error message with reference to a device.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 drivers/nfc/pn533/pn533.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c
index c5f127fe2d45..da180335422c 100644
--- a/drivers/nfc/pn533/pn533.c
+++ b/drivers/nfc/pn533/pn533.c
@@ -2171,7 +2171,7 @@ void pn533_recv_frame(struct pn533 *dev, struct sk_buff *skb, int status)
 	}
 
 	if (skb == NULL) {
-		pr_err("NULL Frame -> link is dead\n");
+		dev_err(dev->dev, "NULL Frame -> link is dead\n");
 		goto sched_wq;
 	}
 
-- 
2.30.2
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[linux-nfc] [PATCH 07/15] nfc: pn544: drop unneeded debug prints

[Krzysztof Kozlowski]

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>
---
 drivers/nfc/pn544/mei.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/nfc/pn544/mei.c b/drivers/nfc/pn544/mei.c
index 5c10aac085a4..a519fa0a53e2 100644
--- a/drivers/nfc/pn544/mei.c
+++ b/drivers/nfc/pn544/mei.c
@@ -22,8 +22,6 @@ static int pn544_mei_probe(struct mei_cl_device *cldev,
 	struct nfc_mei_phy *phy;
 	int r;
 
-	pr_info("Probing NFC pn544\n");
-
 	phy = nfc_mei_phy_alloc(cldev);
 	if (!phy) {
 		pr_err("Cannot allocate memory for pn544 mei phy.\n");
@@ -46,8 +44,6 @@ static void pn544_mei_remove(struct mei_cl_device *cldev)
 {
 	struct nfc_mei_phy *phy = mei_cldev_get_drvdata(cldev);
 
-	pr_info("Removing pn544\n");
-
 	pn544_hci_remove(phy->hdev);
 
 	nfc_mei_phy_free(phy);
-- 
2.30.2
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[linux-nfc] [PATCH 08/15] nfc: pn544: drop unneeded memory allocation fail messages

[Krzysztof Kozlowski]

nfc_mei_phy_alloc() already prints an error message on memory allocation
failure.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 drivers/nfc/pn544/mei.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/nfc/pn544/mei.c b/drivers/nfc/pn544/mei.c
index a519fa0a53e2..c493f2dbd0e2 100644
--- a/drivers/nfc/pn544/mei.c
+++ b/drivers/nfc/pn544/mei.c
@@ -23,10 +23,8 @@ static int pn544_mei_probe(struct mei_cl_device *cldev,
 	int r;
 
 	phy = nfc_mei_phy_alloc(cldev);
-	if (!phy) {
-		pr_err("Cannot allocate memory for pn544 mei phy.\n");
+	if (!phy)
 		return -ENOMEM;
-	}
 
 	r = pn544_hci_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
 			    MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
-- 
2.30.2
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[linux-nfc] [PATCH 09/15] nfc: s3fwrn5: simplify dereferencing pointer to struct device

[Krzysztof Kozlowski]

Simplify the code dereferencing several pointers to reach the struct
device.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 drivers/nfc/s3fwrn5/firmware.c | 29 +++++++++++------------------
 drivers/nfc/s3fwrn5/nci.c      | 18 +++++++-----------
 2 files changed, 18 insertions(+), 29 deletions(-)

diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c
index 1af7a1e632cf..c20fdbac51c5 100644
--- a/drivers/nfc/s3fwrn5/firmware.c
+++ b/drivers/nfc/s3fwrn5/firmware.c
@@ -357,6 +357,7 @@ s3fwrn5_fw_is_custom(const struct s3fwrn5_fw_cmd_get_bootinfo_rsp *bootinfo)
 
 int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info)
 {
+	struct device *dev = &fw_info->ndev->nfc_dev->dev;
 	struct s3fwrn5_fw_cmd_get_bootinfo_rsp bootinfo;
 	int ret;
 
@@ -364,8 +365,7 @@ int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info)
 
 	ret = s3fwrn5_fw_get_bootinfo(fw_info, &bootinfo);
 	if (ret < 0) {
-		dev_err(&fw_info->ndev->nfc_dev->dev,
-			"Failed to get bootinfo, ret=%02x\n", ret);
+		dev_err(dev, "Failed to get bootinfo, ret=%02x\n", ret);
 		goto err;
 	}
 
@@ -373,8 +373,7 @@ int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info)
 
 	ret = s3fwrn5_fw_get_base_addr(&bootinfo, &fw_info->base_addr);
 	if (ret < 0) {
-		dev_err(&fw_info->ndev->nfc_dev->dev,
-			"Unknown hardware version\n");
+		dev_err(dev, "Unknown hardware version\n");
 		goto err;
 	}
 
@@ -409,6 +408,7 @@ bool s3fwrn5_fw_check_version(const struct s3fwrn5_fw_info *fw_info, u32 version
 
 int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
 {
+	struct device *dev = &fw_info->ndev->nfc_dev->dev;
 	struct s3fwrn5_fw_image *fw = &fw_info->fw;
 	u8 hash_data[SHA1_DIGEST_SIZE];
 	struct crypto_shash *tfm;
@@ -421,8 +421,7 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
 
 	tfm = crypto_alloc_shash("sha1", 0, 0);
 	if (IS_ERR(tfm)) {
-		dev_err(&fw_info->ndev->nfc_dev->dev,
-			"Cannot allocate shash (code=%pe)\n", tfm);
+		dev_err(dev, "Cannot allocate shash (code=%pe)\n", tfm);
 		return PTR_ERR(tfm);
 	}
 
@@ -430,21 +429,18 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
 
 	crypto_free_shash(tfm);
 	if (ret) {
-		dev_err(&fw_info->ndev->nfc_dev->dev,
-			"Cannot compute hash (code=%d)\n", ret);
+		dev_err(dev, "Cannot compute hash (code=%d)\n", ret);
 		return ret;
 	}
 
 	/* Firmware update process */
 
-	dev_info(&fw_info->ndev->nfc_dev->dev,
-		"Firmware update: %s\n", fw_info->fw_name);
+	dev_info(dev, "Firmware update: %s\n", fw_info->fw_name);
 
 	ret = s3fwrn5_fw_enter_update_mode(fw_info, hash_data,
 		SHA1_DIGEST_SIZE, fw_info->sig, fw_info->sig_size);
 	if (ret < 0) {
-		dev_err(&fw_info->ndev->nfc_dev->dev,
-			"Unable to enter update mode\n");
+		dev_err(dev, "Unable to enter update mode\n");
 		return ret;
 	}
 
@@ -452,21 +448,18 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
 		ret = s3fwrn5_fw_update_sector(fw_info,
 			fw_info->base_addr + off, fw->image + off);
 		if (ret < 0) {
-			dev_err(&fw_info->ndev->nfc_dev->dev,
-				"Firmware update error (code=%d)\n", ret);
+			dev_err(dev, "Firmware update error (code=%d)\n", ret);
 			return ret;
 		}
 	}
 
 	ret = s3fwrn5_fw_complete_update_mode(fw_info);
 	if (ret < 0) {
-		dev_err(&fw_info->ndev->nfc_dev->dev,
-			"Unable to complete update mode\n");
+		dev_err(dev, "Unable to complete update mode\n");
 		return ret;
 	}
 
-	dev_info(&fw_info->ndev->nfc_dev->dev,
-		"Firmware update: success\n");
+	dev_info(dev, "Firmware update: success\n");
 
 	return ret;
 }
diff --git a/drivers/nfc/s3fwrn5/nci.c b/drivers/nfc/s3fwrn5/nci.c
index e374e670b36b..ca6828f55ba0 100644
--- a/drivers/nfc/s3fwrn5/nci.c
+++ b/drivers/nfc/s3fwrn5/nci.c
@@ -47,6 +47,7 @@ const struct nci_driver_ops s3fwrn5_nci_prop_ops[4] = {
 
 int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
 {
+	struct device *dev = &info->ndev->nfc_dev->dev;
 	const struct firmware *fw;
 	struct nci_prop_fw_cfg_cmd fw_cfg;
 	struct nci_prop_set_rfreg_cmd set_rfreg;
@@ -55,7 +56,7 @@ int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
 	int i, len;
 	int ret;
 
-	ret = request_firmware(&fw, fw_name, &info->ndev->nfc_dev->dev);
+	ret = request_firmware(&fw, fw_name, dev);
 	if (ret < 0)
 		return ret;
 
@@ -77,13 +78,11 @@ int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
 
 	/* Start rfreg configuration */
 
-	dev_info(&info->ndev->nfc_dev->dev,
-		"rfreg configuration update: %s\n", fw_name);
+	dev_info(dev, "rfreg configuration update: %s\n", fw_name);
 
 	ret = nci_prop_cmd(info->ndev, NCI_PROP_START_RFREG, 0, NULL);
 	if (ret < 0) {
-		dev_err(&info->ndev->nfc_dev->dev,
-			"Unable to start rfreg update\n");
+		dev_err(dev, "Unable to start rfreg update\n");
 		goto out;
 	}
 
@@ -97,8 +96,7 @@ int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
 		ret = nci_prop_cmd(info->ndev, NCI_PROP_SET_RFREG,
 			len+1, (__u8 *)&set_rfreg);
 		if (ret < 0) {
-			dev_err(&info->ndev->nfc_dev->dev,
-				"rfreg update error (code=%d)\n", ret);
+			dev_err(dev, "rfreg update error (code=%d)\n", ret);
 			goto out;
 		}
 		set_rfreg.index++;
@@ -110,13 +108,11 @@ int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
 	ret = nci_prop_cmd(info->ndev, NCI_PROP_STOP_RFREG,
 		sizeof(stop_rfreg), (__u8 *)&stop_rfreg);
 	if (ret < 0) {
-		dev_err(&info->ndev->nfc_dev->dev,
-			"Unable to stop rfreg update\n");
+		dev_err(dev, "Unable to stop rfreg update\n");
 		goto out;
 	}
 
-	dev_info(&info->ndev->nfc_dev->dev,
-		"rfreg configuration update: success\n");
+	dev_info(dev, "rfreg configuration update: success\n");
 out:
 	release_firmware(fw);
 	return ret;
-- 
2.30.2
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[linux-nfc] [PATCH 10/15] nfc: st-nci: drop unneeded debug prints

[Krzysztof Kozlowski]

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>
---
 drivers/nfc/st-nci/i2c.c  | 4 ----
 drivers/nfc/st-nci/ndlc.c | 4 ----
 drivers/nfc/st-nci/se.c   | 6 ------
 drivers/nfc/st-nci/spi.c  | 4 ----
 4 files changed, 18 deletions(-)

diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c
index ccf6152ebb9f..cbd968f013c7 100644
--- a/drivers/nfc/st-nci/i2c.c
+++ b/drivers/nfc/st-nci/i2c.c
@@ -157,7 +157,6 @@ static int st_nci_i2c_read(struct st_nci_i2c_phy *phy,
 static irqreturn_t st_nci_irq_thread_fn(int irq, void *phy_id)
 {
 	struct st_nci_i2c_phy *phy = phy_id;
-	struct i2c_client *client;
 	struct sk_buff *skb = NULL;
 	int r;
 
@@ -166,9 +165,6 @@ static irqreturn_t st_nci_irq_thread_fn(int irq, void *phy_id)
 		return IRQ_NONE;
 	}
 
-	client = phy->i2c_dev;
-	dev_dbg(&client->dev, "IRQ\n");
-
 	if (phy->ndlc->hard_fault)
 		return IRQ_HANDLED;
 
diff --git a/drivers/nfc/st-nci/ndlc.c b/drivers/nfc/st-nci/ndlc.c
index e9dc313b333e..755460a73c0d 100644
--- a/drivers/nfc/st-nci/ndlc.c
+++ b/drivers/nfc/st-nci/ndlc.c
@@ -239,8 +239,6 @@ static void ndlc_t1_timeout(struct timer_list *t)
 {
 	struct llt_ndlc *ndlc = from_timer(ndlc, t, t1_timer);
 
-	pr_debug("\n");
-
 	schedule_work(&ndlc->sm_work);
 }
 
@@ -248,8 +246,6 @@ static void ndlc_t2_timeout(struct timer_list *t)
 {
 	struct llt_ndlc *ndlc = from_timer(ndlc, t, t2_timer);
 
-	pr_debug("\n");
-
 	schedule_work(&ndlc->sm_work);
 }
 
diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c
index 5fd89f72969d..7764b1a4c3cf 100644
--- a/drivers/nfc/st-nci/se.c
+++ b/drivers/nfc/st-nci/se.c
@@ -638,8 +638,6 @@ int st_nci_se_io(struct nci_dev *ndev, u32 se_idx,
 {
 	struct st_nci_info *info = nci_get_drvdata(ndev);
 
-	pr_debug("\n");
-
 	switch (se_idx) {
 	case ST_NCI_ESE_HOST_ID:
 		info->se_info.cb = cb;
@@ -671,8 +669,6 @@ static void st_nci_se_wt_timeout(struct timer_list *t)
 	u8 param = 0x01;
 	struct st_nci_info *info = from_timer(info, t, se_info.bwi_timer);
 
-	pr_debug("\n");
-
 	info->se_info.bwi_active = false;
 
 	if (!info->se_info.xch_error) {
@@ -692,8 +688,6 @@ static void st_nci_se_activation_timeout(struct timer_list *t)
 	struct st_nci_info *info = from_timer(info, t,
 					      se_info.se_active_timer);
 
-	pr_debug("\n");
-
 	info->se_info.se_active = false;
 
 	complete(&info->se_info.req_completion);
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c
index a620c34790e6..af1f04c306cc 100644
--- a/drivers/nfc/st-nci/spi.c
+++ b/drivers/nfc/st-nci/spi.c
@@ -169,7 +169,6 @@ static int st_nci_spi_read(struct st_nci_spi_phy *phy,
 static irqreturn_t st_nci_irq_thread_fn(int irq, void *phy_id)
 {
 	struct st_nci_spi_phy *phy = phy_id;
-	struct spi_device *dev;
 	struct sk_buff *skb = NULL;
 	int r;
 
@@ -178,9 +177,6 @@ static irqreturn_t st_nci_irq_thread_fn(int irq, void *phy_id)
 		return IRQ_NONE;
 	}
 
-	dev = phy->spi_dev;
-	dev_dbg(&dev->dev, "IRQ\n");
-
 	if (phy->ndlc->hard_fault)
 		return IRQ_HANDLED;
 
-- 
2.30.2
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[linux-nfc] [PATCH 11/15] nfc: st21nfca: drop unneeded debug prints

[Krzysztof Kozlowski]

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>
---
 drivers/nfc/st21nfca/i2c.c | 4 ----
 drivers/nfc/st21nfca/se.c  | 4 ----
 2 files changed, 8 deletions(-)

diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 279d88128b2e..f126ce96a7df 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -421,7 +421,6 @@ static int st21nfca_hci_i2c_read(struct st21nfca_i2c_phy *phy,
 static irqreturn_t st21nfca_hci_irq_thread_fn(int irq, void *phy_id)
 {
 	struct st21nfca_i2c_phy *phy = phy_id;
-	struct i2c_client *client;
 
 	int r;
 
@@ -430,9 +429,6 @@ static irqreturn_t st21nfca_hci_irq_thread_fn(int irq, void *phy_id)
 		return IRQ_NONE;
 	}
 
-	client = phy->i2c_dev;
-	dev_dbg(&client->dev, "IRQ\n");
-
 	if (phy->hard_fault != 0)
 		return IRQ_HANDLED;
 
diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c
index c8bdf078d111..a43fc4117fa5 100644
--- a/drivers/nfc/st21nfca/se.c
+++ b/drivers/nfc/st21nfca/se.c
@@ -257,8 +257,6 @@ static void st21nfca_se_wt_timeout(struct timer_list *t)
 	struct st21nfca_hci_info *info = from_timer(info, t,
 						    se_info.bwi_timer);
 
-	pr_debug("\n");
-
 	info->se_info.bwi_active = false;
 
 	if (!info->se_info.xch_error) {
@@ -278,8 +276,6 @@ static void st21nfca_se_activation_timeout(struct timer_list *t)
 	struct st21nfca_hci_info *info = from_timer(info, t,
 						    se_info.se_active_timer);
 
-	pr_debug("\n");
-
 	info->se_info.se_active = false;
 
 	complete(&info->se_info.req_completion);
-- 
2.30.2
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[linux-nfc] [PATCH 12/15] nfc: trf7970a: drop unneeded debug prints

[Krzysztof Kozlowski]

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>
---
 drivers/nfc/trf7970a.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index 8890fcd59c39..29ca9c328df2 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -2170,8 +2170,6 @@ static int trf7970a_suspend(struct device *dev)
 	struct spi_device *spi = to_spi_device(dev);
 	struct trf7970a *trf = spi_get_drvdata(spi);
 
-	dev_dbg(dev, "Suspend\n");
-
 	mutex_lock(&trf->lock);
 
 	trf7970a_shutdown(trf);
@@ -2187,8 +2185,6 @@ static int trf7970a_resume(struct device *dev)
 	struct trf7970a *trf = spi_get_drvdata(spi);
 	int ret;
 
-	dev_dbg(dev, "Resume\n");
-
 	mutex_lock(&trf->lock);
 
 	ret = trf7970a_startup(trf);
@@ -2206,8 +2202,6 @@ static int trf7970a_pm_runtime_suspend(struct device *dev)
 	struct trf7970a *trf = spi_get_drvdata(spi);
 	int ret;
 
-	dev_dbg(dev, "Runtime suspend\n");
-
 	mutex_lock(&trf->lock);
 
 	ret = trf7970a_power_down(trf);
@@ -2223,8 +2217,6 @@ static int trf7970a_pm_runtime_resume(struct device *dev)
 	struct trf7970a *trf = spi_get_drvdata(spi);
 	int ret;
 
-	dev_dbg(dev, "Runtime resume\n");
-
 	ret = trf7970a_power_up(trf);
 	if (!ret)
 		pm_runtime_mark_last_busy(dev);
-- 
2.30.2
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[linux-nfc] [PATCH 13/15] nfc: microread: drop unneeded debug prints

[Krzysztof Kozlowski]

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>
---
 drivers/nfc/microread/i2c.c | 4 ----
 drivers/nfc/microread/mei.c | 2 --
 2 files changed, 6 deletions(-)

diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c
index 86f593c73ed6..067295124eb9 100644
--- a/drivers/nfc/microread/i2c.c
+++ b/drivers/nfc/microread/i2c.c
@@ -237,8 +237,6 @@ static int microread_i2c_probe(struct i2c_client *client,
 	struct microread_i2c_phy *phy;
 	int r;
 
-	dev_dbg(&client->dev, "client %p\n", client);
-
 	phy = devm_kzalloc(&client->dev, sizeof(struct microread_i2c_phy),
 			   GFP_KERNEL);
 	if (!phy)
@@ -262,8 +260,6 @@ static int microread_i2c_probe(struct i2c_client *client,
 	if (r < 0)
 		goto err_irq;
 
-	nfc_info(&client->dev, "Probed\n");
-
 	return 0;
 
 err_irq:
diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index 8edf761a6b2a..686be3381727 100644
--- a/drivers/nfc/microread/mei.c
+++ b/drivers/nfc/microread/mei.c
@@ -23,8 +23,6 @@ static int microread_mei_probe(struct mei_cl_device *cldev,
 	struct nfc_mei_phy *phy;
 	int r;
 
-	pr_info("Probing NFC microread\n");
-
 	phy = nfc_mei_phy_alloc(cldev);
 	if (!phy) {
 		pr_err("Cannot allocate memory for microread mei phy.\n");
-- 
2.30.2
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[linux-nfc] [PATCH 14/15] nfc: microread: drop unneeded memory allocation fail messages

[Krzysztof Kozlowski]

nfc_mei_phy_alloc() already prints an error message on memory allocation
failure.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 drivers/nfc/microread/mei.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index 686be3381727..e2a77a5fc887 100644
--- a/drivers/nfc/microread/mei.c
+++ b/drivers/nfc/microread/mei.c
@@ -24,10 +24,8 @@ static int microread_mei_probe(struct mei_cl_device *cldev,
 	int r;
 
 	phy = nfc_mei_phy_alloc(cldev);
-	if (!phy) {
-		pr_err("Cannot allocate memory for microread mei phy.\n");
+	if (!phy)
 		return -ENOMEM;
-	}
 
 	r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
 			    MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
-- 
2.30.2
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[linux-nfc] [PATCH 15/15] nfc: mrvl: drop unneeded memory allocation fail messages

[Krzysztof Kozlowski]

nci_skb_alloc() already prints an error message on memory allocation
failure.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 drivers/nfc/nfcmrvl/fw_dnld.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/nfc/nfcmrvl/fw_dnld.c b/drivers/nfc/nfcmrvl/fw_dnld.c
index edac56b01fd1..e83f65596a88 100644
--- a/drivers/nfc/nfcmrvl/fw_dnld.c
+++ b/drivers/nfc/nfcmrvl/fw_dnld.c
@@ -76,10 +76,8 @@ static struct sk_buff *alloc_lc_skb(struct nfcmrvl_private *priv, uint8_t plen)
 	struct nci_data_hdr *hdr;
 
 	skb = nci_skb_alloc(priv->ndev, (NCI_DATA_HDR_SIZE + plen), GFP_KERNEL);
-	if (!skb) {
-		pr_err("no memory for data\n");
+	if (!skb)
 		return NULL;
-	}
 
 	hdr = skb_put(skb, NCI_DATA_HDR_SIZE);
 	hdr->conn_id = NCI_CORE_LC_CONNID_PROP_FW_DL;
-- 
2.30.2
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