1501 power_dev(dev_info_t *dip, int comp, int level, int old_level,  in power_dev()  argument
1525 	if (bc && comp == 0 && POWERING_OFF(old_level, level)) {  in power_dev()
1539 	power_req.req.ppm_set_power_req.old_level = old_level;  in power_dev()
1554 	    power_val_to_string(cp, old_level), old_level,  in power_dev()
1564 	    (bc && comp == 0 && POWERING_ON(old_level, level)))  in power_dev()
1609 			if (POWERING_ON(old_level, level)) {  in power_dev()
1622 			if (POWERING_OFF(old_level, level)) {  in power_dev()
2682 	p->old_level = old;  in psc_entry()
2873     dev_info_t *pdip, int comp, int old_level, int level)  in pm_notify_parent()  argument
2883 	bphc.bphc_olevel = old_level;  in pm_notify_parent()
2897 pm_check_and_resume(dev_info_t *dip, int comp, int old_level, int level)  in pm_check_and_resume()  argument
2901 	if (PM_ISBC(dip) && comp == 0 && old_level == 0 && level != 0) {  in pm_check_and_resume()
2941 	int blocked, old_level;  in pm_power_has_changed()  local
3011 				old_level = cur_power(cp);  in pm_power_has_changed()
3014 				    POWERING_ON(old_level, level))  in pm_power_has_changed()
3020 					    old_level != PM_LEVEL_UNKNOWN)  in pm_power_has_changed()
3032 	old_level = cur_power(cp);  in pm_power_has_changed()
3034 	    (!PM_ISBC(dip) || comp == 0) && POWERING_ON(old_level, level))  in pm_power_has_changed()
3039 		    old_level != PM_LEVEL_UNKNOWN)  in pm_power_has_changed()
3095 	int old_level;  in pm_phc_impl()  local
3104 	old_level = (cp->pmc_flags & PM_PHC_WHILE_SET_POWER ?  in pm_phc_impl()
3106 	if (old_level != PM_LEVEL_UNKNOWN)  in pm_phc_impl()
3107 		old_level = cp->pmc_comp.pmc_lvals[old_level];  in pm_phc_impl()
3109 	if (level == old_level) {  in pm_phc_impl()
3122 	power_req.req.ppm_notify_level_req.old_level = old_level;  in pm_phc_impl()
3131 		incr = calc_cfb_comps_incr(dip, comp, old_level, level);  in pm_phc_impl()
3137 			    comp, old_level, level, pm_cfb_comps_off))  in pm_phc_impl()
3145 			pm_notify_parent(dip, pdip, comp, old_level, level);  in pm_phc_impl()
3146 		(void) pm_check_and_resume(dip, comp, old_level, level);  in pm_phc_impl()
3153 	if (POWERING_OFF(old_level, level)) {  in pm_phc_impl()
3171 	if (POWERING_ON(old_level, level)) {  in pm_phc_impl()
3195 	if (notify && (level != old_level) && pm_watchers()) {  in pm_phc_impl()
3197 		pm_enqueue_notify(PSC_HAS_CHANGED, dip, comp, level, old_level,  in pm_phc_impl()
3252 			p->old_level = PM_LEVEL_UNKNOWN;  in pm_register_ppm()
3261 					p->old_level = PM_LEVEL_UNKNOWN;  in pm_register_ppm()
4835 	int new_level, old_level, cmpt;  in pm_default_ctlops()  local
4860 			old_level = PM_CURPOWER(target_dip, cmpt);  in pm_default_ctlops()
4861 			reqp->req.ppm_set_power_req.old_level = old_level;  in pm_default_ctlops()
4865 			    old_level, new_level, (retval == DDI_SUCCESS ?  in pm_default_ctlops()