143         if (powerOn && !psus.empty() && !supportedConfigs.empty())  in validatePsuConfigAndInterfacesProcessed()
200     std::vector<std::unique_ptr<PowerSupply>> psus;  member in phosphor::power::chassis::Chassis
292      * driver name to all PSUs (including missing PSUs).
343         for (auto& psu : psus)  in setInputVoltageRating()
359      * @brief Check that all PSUs have the same model name and that the system
360      * has the required number of PSUs present as specified in the Supported
365      * @return true if all the required PSUs are present, false otherwise.
405         for (auto& psu : psus)  in onOffConfig()
420         for (auto& psu : psus)  in clearFaults()
440      * @brief Helper function to validate that all PSUs have the same model name
445      * @return true if all the PSUs have the same model name, false otherwise.
451      * @brief Returns the number of PSUs that are required to be present.