Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/hwmon/max31722.c b/drivers/hwmon/max31722.c
index 30a100e..062eceb 100644
--- a/drivers/hwmon/max31722.c
+++ b/drivers/hwmon/max31722.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * max31722 - hwmon driver for Maxim Integrated MAX31722/MAX31723 SPI
  * digital thermometer and thermostats.
  *
  * Copyright (c) 2016, Intel Corporation.
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
  */
 
 #include <linux/acpi.h>
@@ -50,9 +47,8 @@
 	return 0;
 }
 
-static ssize_t max31722_show_temp(struct device *dev,
-				  struct device_attribute *attr,
-				  char *buf)
+static ssize_t max31722_temp_show(struct device *dev,
+				  struct device_attribute *attr, char *buf)
 {
 	ssize_t ret;
 	struct max31722_data *data = dev_get_drvdata(dev);
@@ -64,8 +60,7 @@
 	return sprintf(buf, "%d\n", (s16)le16_to_cpu(ret) * 125 / 32);
 }
 
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO,
-			  max31722_show_temp, NULL, 0);
+static SENSOR_DEVICE_ATTR_RO(temp1_input, max31722_temp, 0);
 
 static struct attribute *max31722_attrs[] = {
 	&sensor_dev_attr_temp1_input.dev_attr.attr,