Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c
index 1006323..114e905 100644
--- a/drivers/mfd/max8925-i2c.c
+++ b/drivers/mfd/max8925-i2c.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * I2C driver for Maxim MAX8925
  *
  * Copyright (C) 2009 Marvell International Ltd.
  *	Haojian Zhuang <haojian.zhuang@marvell.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -179,18 +176,18 @@
 	dev_set_drvdata(chip->dev, chip);
 	mutex_init(&chip->io_lock);
 
-	chip->rtc = i2c_new_dummy(chip->i2c->adapter, RTC_I2C_ADDR);
-	if (!chip->rtc) {
+	chip->rtc = i2c_new_dummy_device(chip->i2c->adapter, RTC_I2C_ADDR);
+	if (IS_ERR(chip->rtc)) {
 		dev_err(chip->dev, "Failed to allocate I2C device for RTC\n");
-		return -ENODEV;
+		return PTR_ERR(chip->rtc);
 	}
 	i2c_set_clientdata(chip->rtc, chip);
 
-	chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR);
-	if (!chip->adc) {
+	chip->adc = i2c_new_dummy_device(chip->i2c->adapter, ADC_I2C_ADDR);
+	if (IS_ERR(chip->adc)) {
 		dev_err(chip->dev, "Failed to allocate I2C device for ADC\n");
 		i2c_unregister_device(chip->rtc);
-		return -ENODEV;
+		return PTR_ERR(chip->adc);
 	}
 	i2c_set_clientdata(chip->adc, chip);