add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/power/supply/rt5033_battery.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Fuel gauge driver for Richtek RT5033
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  *
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  * Copyright (C) 2014 Samsung Electronics, Co., Ltd.
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  * Author: Beomho Seo <beomho.seo@samsung.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published bythe Free Software Foundation.
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  */
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 #include <linux/module.h>
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@@ -118,7 +115,7 @@
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 static int rt5033_battery_probe(struct i2c_client *client,
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 		const struct i2c_device_id *id)
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 {
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-	struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
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+	struct i2c_adapter *adapter = client->adapter;
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 	struct power_supply_config psy_cfg = {};
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 	struct rt5033_battery *battery;
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 	u32 ret;
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@@ -128,7 +125,7 @@
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 	battery = devm_kzalloc(&client->dev, sizeof(*battery), GFP_KERNEL);
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 	if (!battery)
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-		return -EINVAL;
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+		return -ENOMEM;
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 	battery->client = client;
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 	battery->regmap = devm_regmap_init_i2c(client,