get_power_limit_uw
.get_power_limit_uw = scmi_powercap_get_power_limit_uw,
ret = get_power_limit_uw(&child->zone, cid, &power);
.get_power_limit_uw = get_power_limit_uw,
.get_power_limit_uw = get_current_power_limit,
if (!power_zone || !const_ops || !const_ops->get_power_limit_uw ||
int (*get_power_limit_uw) (struct powercap_zone *, int, u64 *);