328 static int dlpar_offline_cpu(struct device_node *dn)  in dlpar_offline_cpu()  argument
336 	intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);  in dlpar_offline_cpu()
360 				pr_warn("Unable to remove last online CPU %pOFn\n", dn);  in dlpar_offline_cpu()
384 static int dlpar_online_cpu(struct device_node *dn)  in dlpar_online_cpu()  argument
392 	intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);  in dlpar_online_cpu()
416 				dlpar_offline_cpu(dn);  in dlpar_online_cpu()
531 static int pseries_cpuhp_attach_nodes(struct device_node *dn)  in pseries_cpuhp_attach_nodes()  argument
540 	for (of_changeset_init(&cs); dn != NULL; dn = dn->sibling) {  in pseries_cpuhp_attach_nodes()
541 		ret = of_changeset_attach_node(&cs, dn);  in pseries_cpuhp_attach_nodes()
554 	struct device_node *dn, *parent;  in dlpar_cpu_add()  local
585 	dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent);  in dlpar_cpu_add()
586 	if (!dn) {  in dlpar_cpu_add()
594 	rc = pseries_cpuhp_attach_nodes(dn);  in dlpar_cpu_add()
602 			dn, rc, drc_index);  in dlpar_cpu_add()
606 			dlpar_free_cc_nodes(dn);  in dlpar_cpu_add()
611 	update_numa_distance(dn);  in dlpar_cpu_add()
613 	rc = dlpar_online_cpu(dn);  in dlpar_cpu_add()
617 			dn, rc, drc_index);  in dlpar_cpu_add()
619 		rc = dlpar_detach_node(dn);  in dlpar_cpu_add()
626 	pr_debug("Successfully added CPU %pOFn, drc index: %x\n", dn,  in dlpar_cpu_add()
634 	struct device_node *dn, *tn;  in pseries_cpuhp_cache_use_count()  local
638 	for_each_of_cpu_node(dn) {  in pseries_cpuhp_cache_use_count()
639 		tn = of_find_next_cache_node(dn);  in pseries_cpuhp_cache_use_count()
645 	for_each_node_by_type(dn, "cache") {  in pseries_cpuhp_cache_use_count()
646 		tn = of_find_next_cache_node(dn);  in pseries_cpuhp_cache_use_count()
657 	struct device_node *dn;  in pseries_cpuhp_detach_nodes()  local
666 	dn = cpudn;  in pseries_cpuhp_detach_nodes()
667 	while ((dn = of_find_next_cache_node(dn))) {  in pseries_cpuhp_detach_nodes()
668 		if (pseries_cpuhp_cache_use_count(dn) > 1) {  in pseries_cpuhp_detach_nodes()
669 			of_node_put(dn);  in pseries_cpuhp_detach_nodes()
673 		ret = of_changeset_detach_node(&cs, dn);  in pseries_cpuhp_detach_nodes()
674 		of_node_put(dn);  in pseries_cpuhp_detach_nodes()
685 static ssize_t dlpar_cpu_remove(struct device_node *dn, u32 drc_index)  in dlpar_cpu_remove()  argument
690 		 dn, drc_index);  in dlpar_cpu_remove()
692 	rc = dlpar_offline_cpu(dn);  in dlpar_cpu_remove()
694 		pr_warn("Failed to offline CPU %pOFn, rc: %d\n", dn, rc);  in dlpar_cpu_remove()
701 			drc_index, dn, rc);  in dlpar_cpu_remove()
702 		dlpar_online_cpu(dn);  in dlpar_cpu_remove()
706 	rc = pseries_cpuhp_detach_nodes(dn);  in dlpar_cpu_remove()
710 		pr_warn("Failed to detach CPU %pOFn, rc: %d", dn, rc);  in dlpar_cpu_remove()
714 			dlpar_online_cpu(dn);  in dlpar_cpu_remove()
725 	struct device_node *dn;  in cpu_drc_index_to_dn()  local
729 	for_each_node_by_type(dn, "cpu") {  in cpu_drc_index_to_dn()
730 		rc = of_property_read_u32(dn, "ibm,my-drc-index", &my_index);  in cpu_drc_index_to_dn()
738 	return dn;  in cpu_drc_index_to_dn()
743 	struct device_node *dn;  in dlpar_cpu_remove_by_index()  local
746 	dn = cpu_drc_index_to_dn(drc_index);  in dlpar_cpu_remove_by_index()
747 	if (!dn) {  in dlpar_cpu_remove_by_index()
753 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_remove_by_index()
754 	of_node_put(dn);  in dlpar_cpu_remove_by_index()
816 	struct device_node *dn;  in dlpar_cpu_release()  local
820 	dn = of_find_node_by_path(buf);  in dlpar_cpu_release()
821 	if (!dn)  in dlpar_cpu_release()
824 	rc = of_property_read_u32(dn, "ibm,my-drc-index", &drc_index);  in dlpar_cpu_release()
826 		of_node_put(dn);  in dlpar_cpu_release()
830 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_release()
831 	of_node_put(dn);  in dlpar_cpu_release()
846 		err = pseries_add_processor(rd->dn);  in pseries_smp_notifier()
849 		pseries_remove_processor(rd->dn);  in pseries_smp_notifier()