static void __init_or_module of_get_ddr_info(struct device_node *np_emif,
		struct device_node *np_ddr,
		struct ddr_device_info *dev_info)
static void of_get_ddr_info(struct device_node *np_emif,
		struct device_node *np_ddr,
		struct ddr_device_info *dev_info)