shpchp_get_power_status
int shpchp_get_power_status(struct slot *slot, u8 *status);
retval = shpchp_get_power_status(slot, value);
shpchp_get_power_status(slot, &slot->pwr_save);
shpchp_get_power_status(p_slot, &getstatus);
rc = shpchp_get_power_status(p_slot, &getstatus);
shpchp_get_power_status(p_slot, &p_slot->pwr_save);
rc = shpchp_get_power_status(p_slot, &getstatus);