250 static int dlpar_offline_cpu(struct device_node *dn)  in dlpar_offline_cpu()  argument
258 	intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);  in dlpar_offline_cpu()
292 static int dlpar_online_cpu(struct device_node *dn)  in dlpar_online_cpu()  argument
300 	intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);  in dlpar_online_cpu()
316 				dlpar_offline_cpu(dn);  in dlpar_online_cpu()
433 	struct device_node *dn, *parent;  in dlpar_cpu_add()  local
464 	dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent);  in dlpar_cpu_add()
465 	if (!dn) {  in dlpar_cpu_add()
473 	rc = dlpar_attach_node(dn, parent);  in dlpar_cpu_add()
481 			dn, rc, drc_index);  in dlpar_cpu_add()
485 			dlpar_free_cc_nodes(dn);  in dlpar_cpu_add()
490 	rc = dlpar_online_cpu(dn);  in dlpar_cpu_add()
494 			dn, rc, drc_index);  in dlpar_cpu_add()
496 		rc = dlpar_detach_node(dn);  in dlpar_cpu_add()
503 	pr_debug("Successfully added CPU %pOFn, drc index: %x\n", dn,  in dlpar_cpu_add()
508 static ssize_t dlpar_cpu_remove(struct device_node *dn, u32 drc_index)  in dlpar_cpu_remove()  argument
513 		 dn, drc_index);  in dlpar_cpu_remove()
515 	rc = dlpar_offline_cpu(dn);  in dlpar_cpu_remove()
517 		pr_warn("Failed to offline CPU %pOFn, rc: %d\n", dn, rc);  in dlpar_cpu_remove()
524 			drc_index, dn, rc);  in dlpar_cpu_remove()
525 		dlpar_online_cpu(dn);  in dlpar_cpu_remove()
529 	rc = dlpar_detach_node(dn);  in dlpar_cpu_remove()
533 		pr_warn("Failed to detach CPU %pOFn, rc: %d", dn, rc);  in dlpar_cpu_remove()
537 			dlpar_online_cpu(dn);  in dlpar_cpu_remove()
548 	struct device_node *dn;  in cpu_drc_index_to_dn()  local
552 	for_each_node_by_type(dn, "cpu") {  in cpu_drc_index_to_dn()
553 		rc = of_property_read_u32(dn, "ibm,my-drc-index", &my_index);  in cpu_drc_index_to_dn()
561 	return dn;  in cpu_drc_index_to_dn()
566 	struct device_node *dn;  in dlpar_cpu_remove_by_index()  local
569 	dn = cpu_drc_index_to_dn(drc_index);  in dlpar_cpu_remove_by_index()
570 	if (!dn) {  in dlpar_cpu_remove_by_index()
576 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_remove_by_index()
577 	of_node_put(dn);  in dlpar_cpu_remove_by_index()
583 	struct device_node *dn;  in find_dlpar_cpus_to_remove()  local
590 	for_each_node_by_type(dn, "cpu") {  in find_dlpar_cpus_to_remove()
594 			of_node_put(dn);  in find_dlpar_cpus_to_remove()
601 		rc = of_property_read_u32(dn, "ibm,my-drc-index",  in find_dlpar_cpus_to_remove()
605 				dn);  in find_dlpar_cpus_to_remove()
606 			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()