1*cd60bc56SAndroid Build Coastguard Worker // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) 2*cd60bc56SAndroid Build Coastguard Worker /* 3*cd60bc56SAndroid Build Coastguard Worker * libfdt - Flat Device Tree manipulation 4*cd60bc56SAndroid Build Coastguard Worker * Copyright (C) 2012 David Gibson, IBM Corporation. 5*cd60bc56SAndroid Build Coastguard Worker */ 6*cd60bc56SAndroid Build Coastguard Worker #include "libfdt_env.h" 7*cd60bc56SAndroid Build Coastguard Worker 8*cd60bc56SAndroid Build Coastguard Worker #include <fdt.h> 9*cd60bc56SAndroid Build Coastguard Worker #include <libfdt.h> 10*cd60bc56SAndroid Build Coastguard Worker 11*cd60bc56SAndroid Build Coastguard Worker #include "libfdt_internal.h" 12*cd60bc56SAndroid Build Coastguard Worker fdt_create_empty_tree(void * buf,int bufsize)13*cd60bc56SAndroid Build Coastguard Workerint fdt_create_empty_tree(void *buf, int bufsize) 14*cd60bc56SAndroid Build Coastguard Worker { 15*cd60bc56SAndroid Build Coastguard Worker int err; 16*cd60bc56SAndroid Build Coastguard Worker 17*cd60bc56SAndroid Build Coastguard Worker err = fdt_create(buf, bufsize); 18*cd60bc56SAndroid Build Coastguard Worker if (err) 19*cd60bc56SAndroid Build Coastguard Worker return err; 20*cd60bc56SAndroid Build Coastguard Worker 21*cd60bc56SAndroid Build Coastguard Worker err = fdt_finish_reservemap(buf); 22*cd60bc56SAndroid Build Coastguard Worker if (err) 23*cd60bc56SAndroid Build Coastguard Worker return err; 24*cd60bc56SAndroid Build Coastguard Worker 25*cd60bc56SAndroid Build Coastguard Worker err = fdt_begin_node(buf, ""); 26*cd60bc56SAndroid Build Coastguard Worker if (err) 27*cd60bc56SAndroid Build Coastguard Worker return err; 28*cd60bc56SAndroid Build Coastguard Worker 29*cd60bc56SAndroid Build Coastguard Worker err = fdt_end_node(buf); 30*cd60bc56SAndroid Build Coastguard Worker if (err) 31*cd60bc56SAndroid Build Coastguard Worker return err; 32*cd60bc56SAndroid Build Coastguard Worker 33*cd60bc56SAndroid Build Coastguard Worker err = fdt_finish(buf); 34*cd60bc56SAndroid Build Coastguard Worker if (err) 35*cd60bc56SAndroid Build Coastguard Worker return err; 36*cd60bc56SAndroid Build Coastguard Worker 37*cd60bc56SAndroid Build Coastguard Worker return fdt_open_into(buf, buf, bufsize); 38*cd60bc56SAndroid Build Coastguard Worker } 39