From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/nfc/nxp-nci/core.c | 61 +++++++++---------------------
1 files changed, 19 insertions(+), 42 deletions(-)
diff --git a/kernel/drivers/nfc/nxp-nci/core.c b/kernel/drivers/nfc/nxp-nci/core.c
index 2e4b004..b68b315 100644
--- a/kernel/drivers/nfc/nxp-nci/core.c
+++ b/kernel/drivers/nfc/nxp-nci/core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic driver for NXP NCI NFC chips
*
@@ -7,25 +8,11 @@
*
* Derived from PN544 device driver:
* Copyright (C) 2012 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/delay.h>
-#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/nfc.h>
-#include <linux/platform_data/nxp-nci.h>
#include <net/nfc/nci_core.h>
@@ -83,22 +70,20 @@
struct nxp_nci_info *info = nci_get_drvdata(ndev);
int r;
- if (!info->phy_ops->write) {
- r = -ENOTSUPP;
- goto send_exit;
- }
+ if (!info->phy_ops->write)
+ return -EOPNOTSUPP;
- if (info->mode != NXP_NCI_MODE_NCI) {
- r = -EINVAL;
- goto send_exit;
- }
+ if (info->mode != NXP_NCI_MODE_NCI)
+ return -EINVAL;
r = info->phy_ops->write(info->phy_id, skb);
- if (r < 0)
+ if (r < 0) {
kfree_skb(skb);
+ return r;
+ }
-send_exit:
- return r;
+ consume_skb(skb);
+ return 0;
}
static struct nci_ops nxp_nci_ops = {
@@ -117,10 +102,8 @@
int r;
info = devm_kzalloc(pdev, sizeof(struct nxp_nci_info), GFP_KERNEL);
- if (!info) {
- r = -ENOMEM;
- goto probe_exit;
- }
+ if (!info)
+ return -ENOMEM;
info->phy_id = phy_id;
info->pdev = pdev;
@@ -133,31 +116,25 @@
if (info->phy_ops->set_mode) {
r = info->phy_ops->set_mode(info->phy_id, NXP_NCI_MODE_COLD);
if (r < 0)
- goto probe_exit;
+ return r;
}
info->mode = NXP_NCI_MODE_COLD;
info->ndev = nci_allocate_device(&nxp_nci_ops, NXP_NCI_NFC_PROTOCOLS,
NXP_NCI_HDR_LEN, 0);
- if (!info->ndev) {
- r = -ENOMEM;
- goto probe_exit;
- }
+ if (!info->ndev)
+ return -ENOMEM;
nci_set_parent_dev(info->ndev, pdev);
nci_set_drvdata(info->ndev, info);
r = nci_register_device(info->ndev);
- if (r < 0)
- goto probe_exit_free_nci;
+ if (r < 0) {
+ nci_free_device(info->ndev);
+ return r;
+ }
*ndev = info->ndev;
-
- goto probe_exit;
-
-probe_exit_free_nci:
- nci_free_device(info->ndev);
-probe_exit:
return r;
}
EXPORT_SYMBOL(nxp_nci_probe);
--
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