Symbol: dev_is_needed
usr/src/uts/common/os/sunpm.c
2553
return (dev_is_needed(dip, comp, level, PM_LEVEL_UPONLY));
usr/src/uts/common/os/sunpm.c
2588
if (dev_is_needed(dip, comp, level, PM_LEVEL_DOWNONLY) != DDI_SUCCESS) {