eedev_create
extern int eedev_create(const eedev_reg_t *, eedev_hdl_t **);
if ((ret = eedev_create(®, &at->at_eedev)) != 0) {
if ((ret = eedev_create(®, &ee->ee_devhdl)) != 0) {
if ((ret = eedev_create(®, &spd->spd_eehdl)) != 0) {