cfcnfg_del_phy_layer
int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer);
cfcnfg_del_phy_layer(cfg, &caifd->layer) != 0) {
cfcnfg_del_phy_layer(cfg, &caifd->layer) != 0)) {
EXPORT_SYMBOL(cfcnfg_del_phy_layer);