/* pm_runtime_enable - Enable run-time PM of a device. @dev: Device to handle.  */
void pm_runtime_enable(struct device *dev)
/* pm_runtime_enable - Enable run-time PM of a device. @dev: Device to handle.  */
void pm_runtime_enable(struct device *dev)
{
	unsigned long flags;
	spin_lock_irqsave(&dev->power.lock, flags);
	if (dev->power.disable_depth > 0)
		dev->power.disable_depth--;
	else
		dev_warn(dev, "Unbalanced %s!\n", __func__);
	spin_unlock_irqrestore(&dev->power.lock, flags);
}