add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mfd/max77843.c
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@@ -1,15 +1,10 @@
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-/*
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- * MFD core driver for the Maxim MAX77843
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- *
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- * Copyright (C) 2015 Samsung Electronics
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- * Author: Jaewon Kim <jaewon02.kim@samsung.com>
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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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- */
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+// SPDX-License-Identifier: GPL-2.0+
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+//
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+// MFD core driver for the Maxim MAX77843
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+//
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+// Copyright (C) 2015 Samsung Electronics
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+// Author: Jaewon Kim <jaewon02.kim@samsung.com>
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+// Author: Beomho Seo <beomho.seo@samsung.com>
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 #include <linux/err.h>
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 #include <linux/i2c.h>
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@@ -75,11 +70,11 @@
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 {
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 	int ret;
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-	max77843->i2c_chg = i2c_new_dummy(max77843->i2c->adapter, I2C_ADDR_CHG);
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-	if (!max77843->i2c_chg) {
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+	max77843->i2c_chg = i2c_new_dummy_device(max77843->i2c->adapter, I2C_ADDR_CHG);
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+	if (IS_ERR(max77843->i2c_chg)) {
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 		dev_err(&max77843->i2c->dev,
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 				"Cannot allocate I2C device for Charger\n");
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-		return -ENODEV;
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+		return PTR_ERR(max77843->i2c_chg);
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 	}
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 	i2c_set_clientdata(max77843->i2c_chg, max77843);
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