372  * @dn:                      Memory node.
377 static int add_usable_mem_property(void *fdt, struct device_node *dn,  in add_usable_mem_property()  argument
385 	of_node_get(dn);  in add_usable_mem_property()
387 	if (snprintf(path, NODE_PATH_LEN, "%pOF", dn) > (NODE_PATH_LEN - 1)) {  in add_usable_mem_property()
389 		       NODE_PATH_LEN, dn);  in add_usable_mem_property()
413 		ret = of_property_read_reg(dn, i, &base, &size);  in add_usable_mem_property()
441 	of_node_put(dn);  in add_usable_mem_property()
458 	struct device_node *dn;  in update_usable_mem_fdt()  local
482 	dn = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");  in update_usable_mem_fdt()
483 	if (dn) {  in update_usable_mem_fdt()
484 		ret = walk_drmem_lmbs(dn, &um_info, kdump_setup_usable_lmb);  in update_usable_mem_fdt()
485 		of_node_put(dn);  in update_usable_mem_fdt()
505 	for_each_node_by_type(dn, "memory") {  in update_usable_mem_fdt()
506 		ret = add_usable_mem_property(fdt, dn, &um_info);  in update_usable_mem_fdt()
509 			       dn->full_name);  in update_usable_mem_fdt()
510 			of_node_put(dn);  in update_usable_mem_fdt()
703 	struct device_node *dn = NULL;  in setup_purgatory_ppc64()  local
735 	dn = of_find_node_by_path("/ibm,opal");  in setup_purgatory_ppc64()
736 	if (dn) {  in setup_purgatory_ppc64()
739 		of_property_read_u64(dn, "opal-base-address", &val);  in setup_purgatory_ppc64()
745 		of_property_read_u64(dn, "opal-entry-address", &val);  in setup_purgatory_ppc64()
752 	of_node_put(dn);  in setup_purgatory_ppc64()
765 	struct device_node *dn;  in cpu_node_size()  local
775 	dn = of_find_node_by_type(NULL, "cpu");  in cpu_node_size()
776 	if (WARN_ON_ONCE(!dn)) {  in cpu_node_size()
785 	size += strlen(dn->name) + 5;  in cpu_node_size()
786 	for_each_property_of_node(dn, pp) {  in cpu_node_size()
791 	of_node_put(dn);  in cpu_node_size()
842 	struct device_node *dn;  in kexec_extra_fdt_size_ppc64()  local
851 	for_each_node_by_type(dn, "cpu") {  in kexec_extra_fdt_size_ppc64()
866 static int copy_property(void *fdt, int node_offset, const struct device_node *dn,  in copy_property()  argument
872 	prop = of_get_property(dn, propname, &len);  in copy_property()
885 	struct device_node *dn;  in update_pci_dma_nodes()  local
892 	for_each_node_with_property(dn, dmapropname) {  in update_pci_dma_nodes()
893 		pci_offset = fdt_subnode_offset(fdt, root_offset, of_node_full_name(dn));  in update_pci_dma_nodes()
897 		ret = copy_property(fdt, pci_offset, dn, "ibm,dma-window");  in update_pci_dma_nodes()
899 			of_node_put(dn);  in update_pci_dma_nodes()
902 		ret = copy_property(fdt, pci_offset, dn, dmapropname);  in update_pci_dma_nodes()
904 			of_node_put(dn);  in update_pci_dma_nodes()