Reported by Nikolaus Schaller, Apr 10, 2020

since 5.6-rc1 it appears that hdq is broken.

The symptom is that it takes 12 seconds to read out the 
bq27000 battery state and the temperature value is -273°C.

Reverting patch "w1: omap-hdq: Simplify driver with PM runtime 
autosuspend" makes it work.