dev->power.power_state = 0; 
dev->power.power_state = PMSG_ON; 
static void runtime_resume(struct device * dev){	dev_dbg(dev, "resuming\n");	if (!dev->power.power_state)		return;	if (!resume_device(dev))		dev->power.power_state = 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/ca078bae813dd46c0f9b102fdfb4a3384641ff48/runtime.c/buggy/drivers/base/power/runtime.c