1 files changed, 16 insertions, 28 deletions

diff --git a/drivers/thermal/dove_thermal.c b/drivers/thermal/dove_thermal.c
index 828f5e345c30..723bc72f0626 100644
--- a/drivers/thermal/dove_thermal.c
+++ b/drivers/thermal/dove_thermal.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Dove thermal sensor driver
  *
  * Copyright (C) 2013 Andrew Lunn <andrew@lunn.ch>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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/device.h>
 #include <linux/err.h>
@@ -93,18 +84,15 @@ static int dove_init_sensor(const struct dove_thermal_priv *priv)
 }
 
 static int dove_get_temp(struct thermal_zone_device *thermal,
-			  unsigned long *temp)
+			  int *temp)
 {
 	unsigned long reg;
-	struct dove_thermal_priv *priv = thermal->devdata;
+	struct dove_thermal_priv *priv = thermal_zone_device_priv(thermal);
 
 	/* Valid check */
 	reg = readl_relaxed(priv->control + PMU_TEMP_DIOD_CTRL1_REG);
-	if ((reg & PMU_TDC1_TEMP_VALID_MASK) == 0x0) {
-		dev_err(&thermal->device,
-			"Temperature sensor reading not valid\n");
+	if ((reg & PMU_TDC1_TEMP_VALID_MASK) == 0x0)
 		return -EIO;
-	}
 
 	/*
 	 * Calculate temperature. According to Marvell internal
@@ -118,7 +106,7 @@ static int dove_get_temp(struct thermal_zone_device *thermal,
 	return 0;
 }
 
-static struct thermal_zone_device_ops ops = {
+static const struct thermal_zone_device_ops ops = {
 	.get_temp = dove_get_temp,
 };
 
@@ -131,20 +119,17 @@ static int dove_thermal_probe(struct platform_device *pdev)
 {
 	struct thermal_zone_device *thermal = NULL;
 	struct dove_thermal_priv *priv;
-	struct resource *res;
 	int ret;
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->sensor = devm_ioremap_resource(&pdev->dev, res);
+	priv->sensor = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(priv->sensor))
 		return PTR_ERR(priv->sensor);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	priv->control = devm_ioremap_resource(&pdev->dev, res);
+	priv->control = devm_platform_get_and_ioremap_resource(pdev, 1, NULL);
 	if (IS_ERR(priv->control))
 		return PTR_ERR(priv->control);
 
@@ -154,27 +139,31 @@ static int dove_thermal_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	thermal = thermal_zone_device_register("dove_thermal", 0, 0,
-					       priv, &ops, NULL, 0, 0);
+	thermal = thermal_tripless_zone_device_register("dove_thermal", priv,
+							&ops, NULL);
 	if (IS_ERR(thermal)) {
 		dev_err(&pdev->dev,
 			"Failed to register thermal zone device\n");
 		return PTR_ERR(thermal);
 	}
 
+	ret = thermal_zone_device_enable(thermal);
+	if (ret) {
+		thermal_zone_device_unregister(thermal);
+		return ret;
+	}
+
 	platform_set_drvdata(pdev, thermal);
 
 	return 0;
 }
 
-static int dove_thermal_exit(struct platform_device *pdev)
+static void dove_thermal_exit(struct platform_device *pdev)
 {
 	struct thermal_zone_device *dove_thermal =
 		platform_get_drvdata(pdev);
 
 	thermal_zone_device_unregister(dove_thermal);
-
-	return 0;
 }
 
 MODULE_DEVICE_TABLE(of, dove_thermal_id_table);
@@ -184,7 +173,6 @@ static struct platform_driver dove_thermal_driver = {
 	.remove = dove_thermal_exit,
 	.driver = {
 		.name = "dove_thermal",
-		.owner = THIS_MODULE,
 		.of_match_table = dove_thermal_id_table,
 	},
 };