PCIHP_DR_SLOT_ENTER
pcihp_p = pcihp_get_soft_state(dip, PCIHP_DR_SLOT_ENTER, &rval);
pcihp_p = pcihp_get_soft_state(self, PCIHP_DR_SLOT_ENTER, &rval);
case PCIHP_DR_SLOT_ENTER:
state_locking = PCIHP_DR_SLOT_ENTER;