add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/drivers/nfc/st-nci/i2c.c
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@@ -1,18 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * I2C Link Layer for ST NCI NFC controller familly based Driver
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  * Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see <http://www.gnu.org/licenses/>.
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  */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -83,7 +72,7 @@
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  */
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 static int st_nci_i2c_write(void *phy_id, struct sk_buff *skb)
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 {
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-	int r = -1;
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+	int r;
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 	struct st_nci_i2c_phy *phy = phy_id;
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 	struct i2c_client *client = phy->i2c_dev;
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