diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 48616f3..ce20c1e 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1410,6 +1410,8 @@ void pm_runtime_forbid(struct device *dev)
 	if (!dev->power.runtime_auto)
 		goto out;
 
+	dev_info(dev, "%s\n", __func__);
+	dump_stack();
 	dev->power.runtime_auto = false;
 	atomic_inc(&dev->power.usage_count);
 	rpm_resume(dev, 0);
@@ -1431,6 +1433,8 @@ void pm_runtime_allow(struct device *dev)
 	if (dev->power.runtime_auto)
 		goto out;
 
+	dev_info(dev, "%s\n", __func__);
+	dump_stack();
 	dev->power.runtime_auto = true;
 	if (atomic_dec_and_test(&dev->power.usage_count))
 		rpm_idle(dev, RPM_AUTO | RPM_ASYNC);