Function rt_ofw_map_id

components/drivers/ofw/base.c:1315–1355

}

rt_err_t rt_ofw_map_id(struct rt_ofw_node *np, rt_uint32_t id, const char *map_name, const char *map_mask_name,
        struct rt_ofw_node **ref_np, rt_uint32_t *out_id)
{
    rt_err_t err;

    if (np && map_name && (ref_np || out_id))
    {
        rt_ssize_t map_len;
        const fdt32_t *map = rt_ofw_prop_read_raw(np, map_name, &map_len);

        if (!map)
        {
            if (ref_np)
            {
                err = -RT_EEMPTY;
            }
            else
            {
                *out_id = id;
            }

            err = RT_EOK;
        }
        else if (!map_len || map_len % (4 * sizeof(*map)))
        {
            LOG_E("%s: Invalid %s length = %u", np->full_name, map_name, map_len);

            err = -RT_EINVAL;
        }
        else
        {
            err = ofw_map_id(np, id, map_name, map_mask_name, map, map_len, ref_np, out_id);
        }
    }
    else
    {
        err = -RT_EINVAL;
    }

    return err;
}

struct rt_ofw_node *rt_ofw_append_child(struct rt_ofw_node *parent, const char *full_name)
{