in powercap_sys.c [358:383]
static void create_power_zone_common_attributes(
struct powercap_zone *power_zone)
{
int count = 0;
power_zone->zone_dev_attrs[count++] = &dev_attr_name.attr;
if (power_zone->ops->get_max_energy_range_uj)
power_zone->zone_dev_attrs[count++] =
&dev_attr_max_energy_range_uj.attr;
if (power_zone->ops->get_energy_uj) {
if (power_zone->ops->reset_energy_uj)
dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUSR;
else
dev_attr_energy_uj.attr.mode = S_IRUSR;
power_zone->zone_dev_attrs[count++] =
&dev_attr_energy_uj.attr;
}
if (power_zone->ops->get_power_uw)
power_zone->zone_dev_attrs[count++] =
&dev_attr_power_uw.attr;
if (power_zone->ops->get_max_power_range_uw)
power_zone->zone_dev_attrs[count++] =
&dev_attr_max_power_range_uw.attr;
power_zone->zone_dev_attrs[count] = NULL;
power_zone->zone_attr_count = count;
}