return PCI_GET_DN(pdev)->iommu_table;
return PCI_DN(PCI_GET_DN(pdev))->iommu_table;
static inline struct iommu_table *devnode_table(struct device *dev){	struct pci_dev *pdev;	if (!dev) {		pdev = ppc64_isabridge_dev;		if (!pdev)			return NULL;	} else		pdev = to_pci_dev(dev);#ifdef CONFIG_PPC_ISERIES	return ISERIES_DEVNODE(pdev)->iommu_table;#endif /* CONFIG_PPC_ISERIES */#ifdef CONFIG_PPC_MULTIPLATFORM	return PCI_GET_DN(pdev)->iommu_table;#endif /* CONFIG_PPC_MULTIPLATFORM */}