diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 664349756dc2..481d51617f4b 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -205,11 +205,12 @@ static inline int adt7470_write_word_data(struct adt7470_data *data, unsigned in
 /* Probe for temperature sensors.  Assumes lock is held */
 static int adt7470_read_temperatures(struct adt7470_data *data)
 {
-	unsigned long res;
-	unsigned int pwm_cfg[2];
-	int err;
-	int i;
+	struct device *dev = regmap_get_device(data->regmap);
 	u8 pwm[ADT7470_FAN_COUNT];
+	unsigned int pwm_cfg[2];
+	unsigned long res;
+	int err, err2;
+	int i;
 
 	/* save pwm[1-4] config register */
 	err = regmap_read(data->regmap, ADT7470_REG_PWM_CFG(0), &pwm_cfg[0]);
@@ -233,19 +234,19 @@ static int adt7470_read_temperatures(struct adt7470_data *data)
 	err = regmap_update_bits(data->regmap, ADT7470_REG_PWM_CFG(2),
 				 ADT7470_PWM_AUTO_MASK, 0);
 	if (err < 0)
-		return err;
+		goto out_restore;
 
 	/* write pwm control to whatever it was */
 	err = regmap_bulk_write(data->regmap, ADT7470_REG_PWM(0), &pwm[0],
 				ADT7470_PWM_COUNT);
 	if (err < 0)
-		return err;
+		goto out_restore;
 
 	/* start reading temperature sensors */
 	err = regmap_update_bits(data->regmap, ADT7470_REG_CFG,
 				 ADT7470_T05_STB_MASK, ADT7470_T05_STB_MASK);
 	if (err < 0)
-		return err;
+		goto out_restore;
 
 	/* Delay is 200ms * number of temp sensors. */
 	res = msleep_interruptible((data->num_temp_sensors >= 0 ?
@@ -256,13 +257,30 @@ static int adt7470_read_temperatures(struct adt7470_data *data)
 	err = regmap_update_bits(data->regmap, ADT7470_REG_CFG,
 				 ADT7470_T05_STB_MASK, 0);
 	if (err < 0)
-		return err;
+		goto out_restore;
 
+out_restore:
 	/* restore pwm[1-4] config registers */
-	err = regmap_write(data->regmap, ADT7470_REG_PWM_CFG(0), pwm_cfg[0]);
-	if (err < 0)
-		return err;
-	err = regmap_write(data->regmap, ADT7470_REG_PWM_CFG(2), pwm_cfg[1]);
+	err2 = regmap_write(data->regmap, ADT7470_REG_PWM_CFG(0), pwm_cfg[0]);
+	if (err2 < 0) {
+		dev_warn_ratelimited(dev,
+				     "failed to restore PWM{1,2} config (%d)\n",
+				     err2);
+
+		if (!err)
+			err = err2;
+	}
+
+	err2 = regmap_write(data->regmap, ADT7470_REG_PWM_CFG(2), pwm_cfg[1]);
+	if (err2 < 0) {
+		dev_warn_ratelimited(dev,
+				     "failed to restore PWM{3,4} config (%d)\n",
+				     err2);
+
+		if (!err)
+			err = err2;
+	}
+
 	if (err < 0)
 		return err;