pci_enable_device(pci_dev);
retval = pci_enable_device(pci_dev);
static void pci_default_resume(struct pci_dev *pci_dev){	/* restore the PCI config space */	pci_restore_state(pci_dev);	/* if the device was enabled before suspend, reenable */	if (pci_dev->is_enabled)		pci_enable_device(pci_dev);	/* if the device was busmaster before the suspend, make it busmaster again */	if (pci_dev->is_busmaster)		pci_set_master(pci_dev);}