-int do_portio_in (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+U_BOOT_CMD(
+ out, 3, 1, do_portio_out,
+ "write datum to IO port",
+ "[.b, .w, .l] port value\n - output to IO port"
+);
+
+int do_portio_in (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])