Function rt_ofw_count_phandle_cells

components/drivers/ofw/base.c:1566–1601

}

int rt_ofw_count_phandle_cells(const struct rt_ofw_node *np, const char *list_name, const char *cells_name)
{
    int count;

    if (np && list_name)
    {
        count = -1;

        if (!cells_name)
        {
            rt_ssize_t length;

            if (rt_ofw_get_prop(np, list_name, &length))
            {
                count = length / sizeof(fdt32_t);
            }
        }
        else
        {
            int index = count = 0;
            struct rt_ofw_cell_args args;

            while (!ofw_parse_phandle_cells(np, list_name, cells_name, index, &args))
            {
                ++index;
                ++count;
            }
        }
    }
    else
    {
        count = -RT_EINVAL;
    }

    return count;
}

static const char *ofw_get_prop_fuzzy_name(const struct rt_ofw_node *np, const char *name)
{