plat_shared_i2c_exit
extern void plat_shared_i2c_exit(dev_info_t *);
else if (&plat_shared_i2c_exit && dip)
plat_shared_i2c_exit(i2c->pcf8584_dip);
if ((&plat_shared_i2c_exit != NULL) && (i2c->pcf8584_cur_dip != NULL)) {
plat_shared_i2c_exit(i2c->pcf8584_dip);
if ((&plat_shared_i2c_exit != NULL) && (smbus->smbus_cur_dip != NULL)) {
plat_shared_i2c_exit(smbus->smbus_dip);