Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/hwmon/lm95245.c b/drivers/hwmon/lm95245.c
index 27cb06d..057614e 100644
--- a/drivers/hwmon/lm95245.c
+++ b/drivers/hwmon/lm95245.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2011 Alexander Stein <alexander.stein@systec-electronic.com>
  *
@@ -5,16 +6,6 @@
  * It reports up to two temperatures (its own plus an external one).
  *
  * This driver is based on lm95241.c
- *
- * 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/err.h>
@@ -92,19 +83,6 @@
 #define LM95235_REVISION	0xB1
 #define LM95245_REVISION	0xB3
 
-static const u8 lm95245_reg_address[] = {
-	LM95245_REG_R_LOCAL_TEMPH_S,
-	LM95245_REG_R_LOCAL_TEMPL_S,
-	LM95245_REG_R_REMOTE_TEMPH_S,
-	LM95245_REG_R_REMOTE_TEMPL_S,
-	LM95245_REG_R_REMOTE_TEMPH_U,
-	LM95245_REG_R_REMOTE_TEMPL_U,
-	LM95245_REG_RW_LOCAL_OS_TCRIT_LIMIT,
-	LM95245_REG_RW_REMOTE_TCRIT_LIMIT,
-	LM95245_REG_RW_COMMON_HYSTERESIS,
-	LM95245_REG_R_STATUS1,
-};
-
 /* Client data (each client gets its own) */
 struct lm95245_data {
 	struct regmap *regmap;
@@ -421,14 +399,14 @@
 	case hwmon_temp_max_hyst:
 	case hwmon_temp_crit_alarm:
 	case hwmon_temp_fault:
-		return S_IRUGO;
+		return 0444;
 	case hwmon_temp_type:
 	case hwmon_temp_max:
 	case hwmon_temp_crit:
 	case hwmon_temp_offset:
-		return S_IRUGO | S_IWUSR;
+		return 0644;
 	case hwmon_temp_crit_hyst:
-		return (channel == 0) ? S_IRUGO | S_IWUSR : S_IRUGO;
+		return (channel == 0) ? 0644 : 0444;
 	default:
 		return 0;
 	}
@@ -442,7 +420,7 @@
 	case hwmon_chip:
 		switch (attr) {
 		case hwmon_chip_update_interval:
-			return S_IRUGO | S_IWUSR;
+			return 0644;
 		default:
 			return 0;
 		}
@@ -541,35 +519,20 @@
 	.writeable_reg = lm95245_is_writeable_reg,
 	.volatile_reg = lm95245_is_volatile_reg,
 	.cache_type = REGCACHE_RBTREE,
-	.use_single_rw = true,
-};
-
-static const u32 lm95245_chip_config[] = {
-	HWMON_C_UPDATE_INTERVAL,
-	0
-};
-
-static const struct hwmon_channel_info lm95245_chip = {
-	.type = hwmon_chip,
-	.config = lm95245_chip_config,
-};
-
-static const u32 lm95245_temp_config[] = {
-	HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_CRIT_ALARM,
-	HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST | HWMON_T_CRIT |
-		HWMON_T_CRIT_HYST | HWMON_T_FAULT | HWMON_T_MAX_ALARM |
-		HWMON_T_CRIT_ALARM | HWMON_T_TYPE | HWMON_T_OFFSET,
-	0
-};
-
-static const struct hwmon_channel_info lm95245_temp = {
-	.type = hwmon_temp,
-	.config = lm95245_temp_config,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static const struct hwmon_channel_info *lm95245_info[] = {
-	&lm95245_chip,
-	&lm95245_temp,
+	HWMON_CHANNEL_INFO(chip,
+			   HWMON_C_UPDATE_INTERVAL),
+	HWMON_CHANNEL_INFO(temp,
+			   HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_CRIT_HYST |
+			   HWMON_T_CRIT_ALARM,
+			   HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
+			   HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_FAULT |
+			   HWMON_T_MAX_ALARM | HWMON_T_CRIT_ALARM |
+			   HWMON_T_TYPE | HWMON_T_OFFSET),
 	NULL
 };
 
@@ -622,7 +585,7 @@
 };
 MODULE_DEVICE_TABLE(i2c, lm95245_id);
 
-static const struct of_device_id lm95245_of_match[] = {
+static const struct of_device_id __maybe_unused lm95245_of_match[] = {
 	{ .compatible = "national,lm95235" },
 	{ .compatible = "national,lm95245" },
 	{ },