return dev->bus->resume(dev); 
error = dev->bus->resume(dev); 
int resume_device(struct device * dev){	if (dev->power.pm_parent			&& dev->power.pm_parent->power.power_state) {		dev_err(dev, "PM: resume from %d, parent %s still %d\n",			dev->power.power_state,			dev->power.pm_parent->bus_id,			dev->power.pm_parent->power.power_state);	}	if (dev->bus && dev->bus->resume) {		dev_dbg(dev,"resuming\n");		return dev->bus->resume(dev);	}	return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/af70316af182f4716cc5eec7e0d27fc731d164bd/resume.c/clean/drivers/base/power/resume.c