PLX_CNTRL_EECS
devpriv->plx_control_bits &= ~PLX_CNTRL_EECS;
devpriv->plx_control_bits &= ~PLX_CNTRL_EESK & ~PLX_CNTRL_EECS;
devpriv->plx_control_bits |= PLX_CNTRL_EECS;
devpriv->plx_control_bits &= ~PLX_CNTRL_EECS;