247 static int dlpar_offline_cpu(struct device_node *dn)  in dlpar_offline_cpu()  argument
255 	intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);  in dlpar_offline_cpu()
289 static int dlpar_online_cpu(struct device_node *dn)  in dlpar_online_cpu()  argument
297 	intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);  in dlpar_online_cpu()
313 				dlpar_offline_cpu(dn);  in dlpar_online_cpu()
430 	struct device_node *dn, *parent;  in dlpar_cpu_add()  local
461 	dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent);  in dlpar_cpu_add()
462 	if (!dn) {  in dlpar_cpu_add()
470 	rc = dlpar_attach_node(dn, parent);  in dlpar_cpu_add()
478 			dn, rc, drc_index);  in dlpar_cpu_add()
482 			dlpar_free_cc_nodes(dn);  in dlpar_cpu_add()
487 	update_numa_distance(dn);  in dlpar_cpu_add()
489 	rc = dlpar_online_cpu(dn);  in dlpar_cpu_add()
493 			dn, rc, drc_index);  in dlpar_cpu_add()
495 		rc = dlpar_detach_node(dn);  in dlpar_cpu_add()
502 	pr_debug("Successfully added CPU %pOFn, drc index: %x\n", dn,  in dlpar_cpu_add()
507 static ssize_t dlpar_cpu_remove(struct device_node *dn, u32 drc_index)  in dlpar_cpu_remove()  argument
512 		 dn, drc_index);  in dlpar_cpu_remove()
514 	rc = dlpar_offline_cpu(dn);  in dlpar_cpu_remove()
516 		pr_warn("Failed to offline CPU %pOFn, rc: %d\n", dn, rc);  in dlpar_cpu_remove()
523 			drc_index, dn, rc);  in dlpar_cpu_remove()
524 		dlpar_online_cpu(dn);  in dlpar_cpu_remove()
528 	rc = dlpar_detach_node(dn);  in dlpar_cpu_remove()
532 		pr_warn("Failed to detach CPU %pOFn, rc: %d", dn, rc);  in dlpar_cpu_remove()
536 			dlpar_online_cpu(dn);  in dlpar_cpu_remove()
547 	struct device_node *dn;  in cpu_drc_index_to_dn()  local
551 	for_each_node_by_type(dn, "cpu") {  in cpu_drc_index_to_dn()
552 		rc = of_property_read_u32(dn, "ibm,my-drc-index", &my_index);  in cpu_drc_index_to_dn()
560 	return dn;  in cpu_drc_index_to_dn()
565 	struct device_node *dn;  in dlpar_cpu_remove_by_index()  local
568 	dn = cpu_drc_index_to_dn(drc_index);  in dlpar_cpu_remove_by_index()
569 	if (!dn) {  in dlpar_cpu_remove_by_index()
575 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_remove_by_index()
576 	of_node_put(dn);  in dlpar_cpu_remove_by_index()
582 	struct device_node *dn;  in find_dlpar_cpus_to_remove()  local
589 	for_each_node_by_type(dn, "cpu") {  in find_dlpar_cpus_to_remove()
593 			of_node_put(dn);  in find_dlpar_cpus_to_remove()
600 		rc = of_property_read_u32(dn, "ibm,my-drc-index",  in find_dlpar_cpus_to_remove()
604 				dn);  in find_dlpar_cpus_to_remove()
605 			of_node_put(dn);  in find_dlpar_cpus_to_remove()
845 	struct device_node *dn;  in dlpar_cpu_release()  local
849 	dn = of_find_node_by_path(buf);  in dlpar_cpu_release()
850 	if (!dn)  in dlpar_cpu_release()
853 	rc = of_property_read_u32(dn, "ibm,my-drc-index", &drc_index);  in dlpar_cpu_release()
855 		of_node_put(dn);  in dlpar_cpu_release()
859 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_release()
860 	of_node_put(dn);  in dlpar_cpu_release()
875 		err = pseries_add_processor(rd->dn);  in pseries_smp_notifier()
878 		pseries_remove_processor(rd->dn);  in pseries_smp_notifier()