add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mfd/max8925-i2c.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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  * I2C driver for Maxim MAX8925
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  *
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  * Copyright (C) 2009 Marvell International Ltd.
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  *	Haojian Zhuang <haojian.zhuang@marvell.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 by the Free Software Foundation.
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  */
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 #include <linux/kernel.h>
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 #include <linux/init.h>
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@@ -179,18 +176,18 @@
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 	dev_set_drvdata(chip->dev, chip);
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 	mutex_init(&chip->io_lock);
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-	chip->rtc = i2c_new_dummy(chip->i2c->adapter, RTC_I2C_ADDR);
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-	if (!chip->rtc) {
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+	chip->rtc = i2c_new_dummy_device(chip->i2c->adapter, RTC_I2C_ADDR);
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+	if (IS_ERR(chip->rtc)) {
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 		dev_err(chip->dev, "Failed to allocate I2C device for RTC\n");
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-		return -ENODEV;
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+		return PTR_ERR(chip->rtc);
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 	}
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 	i2c_set_clientdata(chip->rtc, chip);
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-	chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR);
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-	if (!chip->adc) {
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+	chip->adc = i2c_new_dummy_device(chip->i2c->adapter, ADC_I2C_ADDR);
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+	if (IS_ERR(chip->adc)) {
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 		dev_err(chip->dev, "Failed to allocate I2C device for ADC\n");
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 		i2c_unregister_device(chip->rtc);
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-		return -ENODEV;
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+		return PTR_ERR(chip->adc);
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 	}
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 	i2c_set_clientdata(chip->adc, chip);
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