On Thu, Jun 06, 2019 at 04:08:11PM +0200, Rafael J. Wysocki wrote: > That isn't necessary IMO as long as the device are not accessed. If > the kernel thinks that a given device is in D3cold and doesn't access > it, then it really doesn't matter too much what state the device is in > physically. On the first access the device should be reinitialized > anyway. But if the device is configured to wake. For example when it detects a hotplug that state is gone when it goes to D0unitialized.