diff --git a/drivers/thermal/renesas/rzg3e_thermal.c b/drivers/thermal/renesas/rzg3e_thermal.c
index a1ceff79e83e..e806d130dc53 100644
--- a/drivers/thermal/renesas/rzg3e_thermal.c
+++ b/drivers/thermal/renesas/rzg3e_thermal.c
@@ -512,15 +512,19 @@ static int rzg3e_thermal_runtime_resume(struct device *dev)
 static int rzg3e_thermal_suspend(struct device *dev)
 {
 	struct rzg3e_thermal_priv *priv = dev_get_drvdata(dev);
+	bool active = pm_runtime_active(dev);
+	int ret;
 
 	/* If device is active, power it off */
-	if (pm_runtime_active(dev))
+	if (active)
 		rzg3e_thermal_power_off(priv);
 
 	/* Assert reset to ensure clean state after resume */
-	reset_control_assert(priv->rstc);
+	ret = reset_control_assert(priv->rstc);
+	if (ret && active)
+		rzg3e_thermal_power_on(priv);
 
-	return 0;
+	return ret;
 }
 
 static int rzg3e_thermal_resume(struct device *dev)