345 static int dlpar_online_cpu(struct device_node *dn)  in dlpar_online_cpu()  argument
353 	intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);  in dlpar_online_cpu()
435 	struct device_node *dn, *parent;  in dlpar_cpu_add()  local
466 	dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent);  in dlpar_cpu_add()
467 	if (!dn) {  in dlpar_cpu_add()
475 	rc = dlpar_attach_node(dn, parent);  in dlpar_cpu_add()
483 			dn->name, rc, drc_index);  in dlpar_cpu_add()
487 			dlpar_free_cc_nodes(dn);  in dlpar_cpu_add()
492 	rc = dlpar_online_cpu(dn);  in dlpar_cpu_add()
496 			dn->name, rc, drc_index);  in dlpar_cpu_add()
498 		rc = dlpar_detach_node(dn);  in dlpar_cpu_add()
505 	pr_debug("Successfully added CPU %s, drc index: %x\n", dn->name,  in dlpar_cpu_add()
510 static int dlpar_offline_cpu(struct device_node *dn)  in dlpar_offline_cpu()  argument
518 	intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);  in dlpar_offline_cpu()
566 static ssize_t dlpar_cpu_remove(struct device_node *dn, u32 drc_index)  in dlpar_cpu_remove()  argument
571 		 dn->name, drc_index);  in dlpar_cpu_remove()
573 	rc = dlpar_offline_cpu(dn);  in dlpar_cpu_remove()
575 		pr_warn("Failed to offline CPU %s, rc: %d\n", dn->name, rc);  in dlpar_cpu_remove()
582 			drc_index, dn->name, rc);  in dlpar_cpu_remove()
583 		dlpar_online_cpu(dn);  in dlpar_cpu_remove()
587 	rc = dlpar_detach_node(dn);  in dlpar_cpu_remove()
591 		pr_warn("Failed to detach CPU %s, rc: %d", dn->name, rc);  in dlpar_cpu_remove()
595 			dlpar_online_cpu(dn);  in dlpar_cpu_remove()
606 	struct device_node *dn;  in cpu_drc_index_to_dn()  local
610 	for_each_node_by_type(dn, "cpu") {  in cpu_drc_index_to_dn()
611 		rc = of_property_read_u32(dn, "ibm,my-drc-index", &my_index);  in cpu_drc_index_to_dn()
619 	return dn;  in cpu_drc_index_to_dn()
624 	struct device_node *dn;  in dlpar_cpu_remove_by_index()  local
627 	dn = cpu_drc_index_to_dn(drc_index);  in dlpar_cpu_remove_by_index()
628 	if (!dn) {  in dlpar_cpu_remove_by_index()
634 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_remove_by_index()
635 	of_node_put(dn);  in dlpar_cpu_remove_by_index()
641 	struct device_node *dn;  in find_dlpar_cpus_to_remove()  local
648 	for_each_node_by_type(dn, "cpu") {  in find_dlpar_cpus_to_remove()
652 			of_node_put(dn);  in find_dlpar_cpus_to_remove()
659 		rc = of_property_read_u32(dn, "ibm,my-drc-index",  in find_dlpar_cpus_to_remove()
663 				dn->name);  in find_dlpar_cpus_to_remove()
664 			of_node_put(dn);  in find_dlpar_cpus_to_remove()
804 	struct device_node *dn;  in dlpar_cpu_readd()  local
810 	dn = dev->of_node;  in dlpar_cpu_readd()
812 	rc = of_property_read_u32(dn, "ibm,my-drc-index", &drc_index);  in dlpar_cpu_readd()
876 	struct device_node *dn;  in dlpar_cpu_release()  local
880 	dn = of_find_node_by_path(buf);  in dlpar_cpu_release()
881 	if (!dn)  in dlpar_cpu_release()
884 	rc = of_property_read_u32(dn, "ibm,my-drc-index", &drc_index);  in dlpar_cpu_release()
886 		of_node_put(dn);  in dlpar_cpu_release()
890 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_release()
891 	of_node_put(dn);  in dlpar_cpu_release()
906 		err = pseries_add_processor(rd->dn);  in pseries_smp_notifier()
909 		pseries_remove_processor(rd->dn);  in pseries_smp_notifier()