powerpc/powernv/ioda2: Use new helpers to do proper cleanup on PE release

	return -EBUSY;

}

static long pnv_pci_ioda2_unset_window(struct iommu_table_group *table_group,

		int num);

static void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable);

static void pnv_pci_ioda2_release_dma_pe(struct pci_dev *dev, struct pnv_ioda_pe *pe)

{

	struct pci_bus        *bus;

	struct pci_controller *hose;

	struct pnv_phb        *phb;

	struct iommu_table    *tbl;

	unsigned long         addr;

	int64_t               rc;

	bus = dev->bus;

	hose = pci_bus_to_host(bus);

	phb = hose->private_data;

	tbl = pe->table_group.tables[0];

	addr = tbl->it_base;

	opal_pci_map_pe_dma_window(phb->opal_id, pe->pe_number,

				   pe->pe_number << 1, 1, __pa(addr),

				   0, 0x1000);

	rc = opal_pci_map_pe_dma_window_real(pe->phb->opal_id,

				        pe->pe_number,

				        (pe->pe_number << 1) + 1,

				        pe->tce_bypass_base,

				        0);

	rc = pnv_pci_ioda2_unset_window(&pe->table_group, 0);

	if (rc)

		pe_warn(pe, "OPAL error %ld release DMA window\n", rc);

	pnv_pci_unlink_table_and_group(tbl, &pe->table_group);

	pnv_pci_ioda2_set_bypass(pe, false);

	if (pe->table_group.group) {

		iommu_group_put(pe->table_group.group);

		BUG_ON(pe->table_group.group);