Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/hwmon/ltc4260.c b/drivers/hwmon/ltc4260.c
index afb0957..8b8fd4a 100644
--- a/drivers/hwmon/ltc4260.c
+++ b/drivers/hwmon/ltc4260.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Driver for Linear Technology LTC4260 I2C Positive Voltage Hot Swap Controller
  *
  * Copyright (c) 2014 Guenter Roeck
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <linux/kernel.h>
@@ -79,7 +70,7 @@
 	return val;
 }
 
-static ssize_t ltc4260_show_value(struct device *dev,
+static ssize_t ltc4260_value_show(struct device *dev,
 				  struct device_attribute *da, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
@@ -91,7 +82,7 @@
 	return snprintf(buf, PAGE_SIZE, "%d\n", value);
 }
 
-static ssize_t ltc4260_show_bool(struct device *dev,
+static ssize_t ltc4260_bool_show(struct device *dev,
 				 struct device_attribute *da, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
@@ -111,30 +102,24 @@
 }
 
 /* Voltages */
-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc4260_show_value, NULL,
-			  LTC4260_SOURCE);
-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc4260_show_value, NULL,
-			  LTC4260_ADIN);
+static SENSOR_DEVICE_ATTR_RO(in1_input, ltc4260_value, LTC4260_SOURCE);
+static SENSOR_DEVICE_ATTR_RO(in2_input, ltc4260_value, LTC4260_ADIN);
 
 /*
  * Voltage alarms
  * UV/OV faults are associated with the input voltage, and the POWER BAD and
  * FET SHORT faults are associated with the output voltage.
  */
-static SENSOR_DEVICE_ATTR(in1_min_alarm, S_IRUGO, ltc4260_show_bool, NULL,
-			  FAULT_UV);
-static SENSOR_DEVICE_ATTR(in1_max_alarm, S_IRUGO, ltc4260_show_bool, NULL,
-			  FAULT_OV);
-static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, ltc4260_show_bool, NULL,
-			  FAULT_POWER_BAD | FAULT_FET_SHORT);
+static SENSOR_DEVICE_ATTR_RO(in1_min_alarm, ltc4260_bool, FAULT_UV);
+static SENSOR_DEVICE_ATTR_RO(in1_max_alarm, ltc4260_bool, FAULT_OV);
+static SENSOR_DEVICE_ATTR_RO(in2_alarm, ltc4260_bool,
+			     FAULT_POWER_BAD | FAULT_FET_SHORT);
 
 /* Current (via sense resistor) */
-static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4260_show_value, NULL,
-			  LTC4260_SENSE);
+static SENSOR_DEVICE_ATTR_RO(curr1_input, ltc4260_value, LTC4260_SENSE);
 
 /* Overcurrent alarm */
-static SENSOR_DEVICE_ATTR(curr1_max_alarm, S_IRUGO, ltc4260_show_bool, NULL,
-			  FAULT_OC);
+static SENSOR_DEVICE_ATTR_RO(curr1_max_alarm, ltc4260_bool, FAULT_OC);
 
 static struct attribute *ltc4260_attrs[] = {
 	&sensor_dev_attr_in1_input.dev_attr.attr,