774 	struct device_node *dn, *pdn;  in pci_dma_bus_setup_pSeriesLP()  local
783 	pdn = pci_dma_find(dn, &prop);  in pci_dma_bus_setup_pSeriesLP()
794 	if (!pdn) {  in pci_dma_bus_setup_pSeriesLP()
799 	ppci = PCI_DN(pdn);  in pci_dma_bus_setup_pSeriesLP()
802 		 pdn, ppci->table_group);  in pci_dma_bus_setup_pSeriesLP()
961 static bool find_existing_ddw(struct device_node *pdn, u64 *dma_addr, int *window_shift,  in find_existing_ddw()  argument
971 		if (window->device == pdn) {  in find_existing_ddw()
985 static struct dma_win *ddw_list_new_entry(struct device_node *pdn,  in ddw_list_new_entry()  argument
994 	window->device = pdn;  in ddw_list_new_entry()
1004 	struct device_node *pdn;  in find_existing_ddw_windows_named()  local
1008 	for_each_node_with_property(pdn, name) {  in find_existing_ddw_windows_named()
1009 		dma64 = of_get_property(pdn, name, &len);  in find_existing_ddw_windows_named()
1011 			remove_ddw(pdn, true, name);  in find_existing_ddw_windows_named()
1021 		window = ddw_list_new_entry(pdn, dma64);  in find_existing_ddw_windows_named()
1023 			of_node_put(pdn);  in find_existing_ddw_windows_named()
1086 	struct pci_dn *pdn;  in query_ddw()  local
1109 	pdn = PCI_DN(dn);  in query_ddw()
1110 	buid = pdn->phb->buid;  in query_ddw()
1111 	cfg_addr = ((pdn->busno << 16) | (pdn->devfn << 8));  in query_ddw()
1145 	struct pci_dn *pdn;  in create_ddw()  local
1157 	pdn = PCI_DN(dn);  in create_ddw()
1158 	buid = pdn->phb->buid;  in create_ddw()
1159 	cfg_addr = ((pdn->busno << 16) | (pdn->devfn << 8));  in create_ddw()
1178 	struct device_node *pdn;  member
1209 	struct pci_dn *pdn;  in reset_dma_window()  local
1216 	pdn = PCI_DN(dn);  in reset_dma_window()
1217 	buid = pdn->phb->buid;  in reset_dma_window()
1218 	cfg_addr = (pdn->busno << 16) | (pdn->devfn << 8);  in reset_dma_window()
1291  * pdn: the parent pe node with the ibm,dma_window property
1296 static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn)  in enable_ddw()  argument
1312 	struct pci_dn *pci = PCI_DN(pdn);  in enable_ddw()
1321 	if (find_existing_ddw(pdn, &dev->dev.archdata.dma_offset, &len, &direct_mapping))  in enable_ddw()
1332 		if (fpdn->pdn == pdn)  in enable_ddw()
1344 	ret = of_property_read_u32_array(pdn, "ibm,ddw-applicable",  in enable_ddw()
1356 	ret = query_ddw(dev, ddw_avail, &query, pdn);  in enable_ddw()
1376 		default_win = of_find_property(pdn, "ibm,dma-window", NULL);  in enable_ddw()
1380 		reset_win_ext = ddw_read_ext(pdn, DDW_EXT_RESET_DMA_WIN, NULL);  in enable_ddw()
1384 		remove_dma_window(pdn, ddw_avail, default_win);  in enable_ddw()
1388 		ret = query_ddw(dev, ddw_avail, &query, pdn);  in enable_ddw()
1455 	ret = of_add_property(pdn, win64);  in enable_ddw()
1458 			pdn, ret);  in enable_ddw()
1462 	window = ddw_list_new_entry(pdn, win64->value);  in enable_ddw()
1477 			clean_dma_window(pdn, win64->value);  in enable_ddw()
1519 		of_remove_property(pdn, default_win);  in enable_ddw()
1520 		dev_info(&dev->dev, "Removed default DMA window for %pOF\n", pdn);  in enable_ddw()
1534 	of_remove_property(pdn, win64);  in enable_ddw()
1543 	__remove_dma_window(pdn, ddw_avail, create.liobn);  in enable_ddw()
1547 		reset_dma_window(dev, pdn);  in enable_ddw()
1552 	fpdn->pdn = pdn;  in enable_ddw()
1571 	struct device_node *pdn, *dn;  in pci_dma_dev_setup_pSeriesLP()  local
1587 	pdn = pci_dma_find(dn, &prop);  in pci_dma_dev_setup_pSeriesLP()
1588 	if (!pdn || !PCI_DN(pdn)) {  in pci_dma_dev_setup_pSeriesLP()
1594 	pr_debug("  parent is %pOF\n", pdn);  in pci_dma_dev_setup_pSeriesLP()
1596 	pci = PCI_DN(pdn);  in pci_dma_dev_setup_pSeriesLP()
1629 	struct device_node *dn = pci_device_to_OF_node(pdev), *pdn;  in iommu_bypass_supported_pSeriesLP()  local
1643 	pdn = pci_dma_find(dn, NULL);  in iommu_bypass_supported_pSeriesLP()
1644 	if (pdn && PCI_DN(pdn))  in iommu_bypass_supported_pSeriesLP()
1645 		return enable_ddw(pdev, pdn);  in iommu_bypass_supported_pSeriesLP()
1789 	struct device_node *pdn, *dn = pdev->dev.of_node;  in pSeries_pci_device_group()  local
1793 	pdn = pci_dma_find(dn, NULL);  in pSeries_pci_device_group()
1794 	if (!pdn || !PCI_DN(pdn))  in pSeries_pci_device_group()
1797 	pci = PCI_DN(pdn);  in pSeries_pci_device_group()