Google says that the fix for DMESG bad line "(NULL device *): hwmon_device_register() is deprecated" was already released in recent past, but then reverted because of some breakage:
https://github.com/torvalds/linux/commi ... 679cbfbd7a
Now there's a new patch that hopefully fixes the problem, but need testing (comment nr. 2 and nr. 3):
Unfortunately, I'm not capable to apply it by myself - can anyone of you guys please test the patch?