CPSW_SLAVE_PORTS_NUM
if (data->slaves != CPSW_SLAVE_PORTS_NUM) {
data->slave_data = devm_kcalloc(dev, CPSW_SLAVE_PORTS_NUM,
if (!port_id || port_id > CPSW_SLAVE_PORTS_NUM) {
CPSW_SLAVE_PORTS_NUM,