PERRFLOODENABLE_MASK
pcix_misc2_temp &= ~PERRFLOODENABLE_MASK;
if (p_slot->ctrl->pcix_misc2_reg & PERRFLOODENABLE_MASK)
pcix_misc2_temp |= PERRFLOODENABLE_MASK;
pcix_misc2_temp &= ~PERRFLOODENABLE_MASK;