Hi Zhang

Thank you for your feedback

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*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