diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 03d07da8c2dc..221de01a327a 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -2321,7 +2321,7 @@ static const char *lm90_detect_nuvoton(struct i2c_client *client, int chip_id,
 	const char *name = NULL;
 
 	if (config2 < 0)
-		return ERR_PTR(-ENODEV);
+		return NULL;
 
 	if (address == 0x4c && !(config1 & 0x2a) && !(config2 & 0xf8)) {
 		if (chip_id == 0x01 && convrate <= 0x09) {
diff --git a/drivers/hwmon/nct6775-core.c b/drivers/hwmon/nct6775-core.c
index 446964cbae4c..da9ec6983e13 100644
--- a/drivers/hwmon/nct6775-core.c
+++ b/drivers/hwmon/nct6775-core.c
@@ -1480,7 +1480,7 @@ static int nct6775_update_pwm_limits(struct device *dev)
 	return 0;
 }
 
-static struct nct6775_data *nct6775_update_device(struct device *dev)
+struct nct6775_data *nct6775_update_device(struct device *dev)
 {
 	struct nct6775_data *data = dev_get_drvdata(dev);
 	int i, j, err = 0;
@@ -1615,6 +1615,7 @@ out:
 	mutex_unlock(&data->update_lock);
 	return err ? ERR_PTR(err) : data;
 }
+EXPORT_SYMBOL_GPL(nct6775_update_device);
 
 /*
  * Sysfs callback functions
diff --git a/drivers/hwmon/nct6775-platform.c b/drivers/hwmon/nct6775-platform.c
index ab30437221ce..41c97cfacfb8 100644
--- a/drivers/hwmon/nct6775-platform.c
+++ b/drivers/hwmon/nct6775-platform.c
@@ -359,7 +359,7 @@ static int __maybe_unused nct6775_suspend(struct device *dev)
 {
 	int err;
 	u16 tmp;
-	struct nct6775_data *data = dev_get_drvdata(dev);
+	struct nct6775_data *data = nct6775_update_device(dev);
 
 	if (IS_ERR(data))
 		return PTR_ERR(data);
diff --git a/drivers/hwmon/nct6775.h b/drivers/hwmon/nct6775.h
index 93f708148e65..be41848c3cd2 100644
--- a/drivers/hwmon/nct6775.h
+++ b/drivers/hwmon/nct6775.h
@@ -196,6 +196,8 @@ static inline int nct6775_write_value(struct nct6775_data *data, u16 reg, u16 va
 	return regmap_write(data->regmap, reg, value);
 }
 
+struct nct6775_data *nct6775_update_device(struct device *dev);
+
 bool nct6775_reg_is_word_sized(struct nct6775_data *data, u16 reg);
 int nct6775_probe(struct device *dev, struct nct6775_data *data,
 		  const struct regmap_config *regmapcfg);