cpsw_port_dev_check
if (!cpsw_port_dev_check(ndev))
cpsw_port_dev_check,
if (!cpsw_port_dev_check(ndev))
cpsw_port_dev_check,
cpsw_port_dev_check,
cpsw_port_dev_check,
bool cpsw_port_dev_check(const struct net_device *dev);