m_can_cccr_update_bits
ret = m_can_cccr_update_bits(cdev, CCCR_INIT, 0);
niso = m_can_cccr_update_bits(cdev, CCCR_NISO, CCCR_NISO);
ret = m_can_cccr_update_bits(cdev, CCCR_NISO, 0);
err = m_can_cccr_update_bits(cdev, CCCR_INIT, CCCR_INIT);
ret = m_can_cccr_update_bits(cdev, CCCR_INIT, CCCR_INIT);
err = m_can_cccr_update_bits(cdev, CCCR_CCE, CCCR_CCE);
err = m_can_cccr_update_bits(cdev, CCCR_CCE, 0);