388 static bool dlpar_cpu_exists(struct device_node *parent, u32 drc_index)  in dlpar_cpu_exists()  argument
404 		if (my_drc_index == drc_index) {  in dlpar_cpu_exists()
414 static bool valid_cpu_drc_index(struct device_node *parent, u32 drc_index)  in valid_cpu_drc_index()  argument
428 		if (drc == drc_index)  in valid_cpu_drc_index()
435 static ssize_t dlpar_cpu_add(u32 drc_index)  in dlpar_cpu_add()  argument
440 	pr_debug("Attempting to add CPU, drc index: %x\n", drc_index);  in dlpar_cpu_add()
448 	if (dlpar_cpu_exists(parent, drc_index)) {  in dlpar_cpu_add()
450 		pr_warn("CPU with drc index %x already exists\n", drc_index);  in dlpar_cpu_add()
454 	if (!valid_cpu_drc_index(parent, drc_index)) {  in dlpar_cpu_add()
456 		pr_warn("Cannot find CPU (drc index %x) to add.\n", drc_index);  in dlpar_cpu_add()
460 	rc = dlpar_acquire_drc(drc_index);  in dlpar_cpu_add()
463 			rc, drc_index);  in dlpar_cpu_add()
468 	dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent);  in dlpar_cpu_add()
471 			drc_index);  in dlpar_cpu_add()
472 		dlpar_release_drc(drc_index);  in dlpar_cpu_add()
485 			dn->name, rc, drc_index);  in dlpar_cpu_add()
487 		rc = dlpar_release_drc(drc_index);  in dlpar_cpu_add()
498 			dn->name, rc, drc_index);  in dlpar_cpu_add()
502 			dlpar_release_drc(drc_index);  in dlpar_cpu_add()
508 		 drc_index);  in dlpar_cpu_add()
569 static ssize_t dlpar_cpu_remove(struct device_node *dn, u32 drc_index)  in dlpar_cpu_remove()  argument
574 		 dn->name, drc_index);  in dlpar_cpu_remove()
582 	rc = dlpar_release_drc(drc_index);  in dlpar_cpu_remove()
585 			drc_index, dn->name, rc);  in dlpar_cpu_remove()
596 		rc = dlpar_acquire_drc(drc_index);  in dlpar_cpu_remove()
603 	pr_debug("Successfully removed CPU, drc index: %x\n", drc_index);  in dlpar_cpu_remove()
607 static struct device_node *cpu_drc_index_to_dn(u32 drc_index)  in cpu_drc_index_to_dn()  argument
618 		if (my_index == drc_index)  in cpu_drc_index_to_dn()
625 static int dlpar_cpu_remove_by_index(u32 drc_index)  in dlpar_cpu_remove_by_index()  argument
630 	dn = cpu_drc_index_to_dn(drc_index);  in dlpar_cpu_remove_by_index()
633 			drc_index);  in dlpar_cpu_remove_by_index()
637 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_remove_by_index()
807 	u32 count, drc_index;  in dlpar_cpu()  local
811 	drc_index = hp_elog->_drc_u.drc_index;  in dlpar_cpu()
820 			rc = dlpar_cpu_remove_by_index(drc_index);  in dlpar_cpu()
828 			rc = dlpar_cpu_add(drc_index);  in dlpar_cpu()
846 	u32 drc_index;  in dlpar_cpu_probe()  local
849 	rc = kstrtou32(buf, 0, &drc_index);  in dlpar_cpu_probe()
853 	rc = dlpar_cpu_add(drc_index);  in dlpar_cpu_probe()
861 	u32 drc_index;  in dlpar_cpu_release()  local
868 	rc = of_property_read_u32(dn, "ibm,my-drc-index", &drc_index);  in dlpar_cpu_release()
874 	rc = dlpar_cpu_remove(dn, drc_index);  in dlpar_cpu_release()