Hi Zhang Thank you for your feedback > > > > > > *thermal_zone_device_register(xxxx) > > > > > > { > > > > > > ... > > > > > > if (!tz->tzp || !tz->tzp->no_hwmon) { > > > > > > result = thermal_add_hwmon_sysfs(tz); > > > > > > ... > > > > > > } > > > > > > ... > > > > > > } (snip) > I don't know if there is a solid reason that we can not expose the > hwmon interface. But just like the comment says, "/* No hwmon because > there might be hwmon drivers registering */", given that of_thermal > just parses THERMAL data of device tree, it is reasonable to me for > exposing thermal interfaces only. I see. I will re-consider my driver, and will send patch. Thanks