73 	struct device_node *stdout = NULL, *escc = NULL, *macio = NULL;  in udbg_scc_init()
74 	struct device_node *ch, *ch_def = NULL, *ch_a = NULL;  in udbg_scc_init()
78 	escc = of_find_node_by_name(NULL, "escc");  in udbg_scc_init()
79 	if (escc == NULL)  in udbg_scc_init()
82 	if (macio == NULL)  in udbg_scc_init()
84 	path = of_get_property(of_chosen, "linux,stdout-path", NULL);  in udbg_scc_init()
85 	if (path != NULL)  in udbg_scc_init()
87 	for (ch = NULL; (ch = of_get_next_child(escc, ch)) != NULL;) {  in udbg_scc_init()
93 	if (ch_def == NULL && !force_scc)  in udbg_scc_init()
99 	reg = of_get_property(escc, "reg", NULL);  in udbg_scc_init()
100 	if (reg == NULL)  in udbg_scc_init()
105 	reg = of_get_property(macio, "assigned-addresses", NULL);  in udbg_scc_init()
106 	if (reg == NULL)  in udbg_scc_init()
130 	if (ch_def != NULL) {  in udbg_scc_init()
181 	udbg_getc = NULL;  in udbg_init_pmac_realmode()
182 	udbg_getc_poll = NULL;  in udbg_init_pmac_realmode()