On Thu, Nov 28, 2019 at 5:03 PM Thierry Reding <thierry.reding@xxxxxxxxx> wrote: > > From: Thierry Reding <treding@xxxxxxxxxx> > > Currently the driver PM core will automatically acquire a runtime PM > reference for devices before system sleep is entered. This is needed > to avoid potential issues related to devices' parents getting put to > runtime suspend at the wrong time and causing problems with their > children. Not only for that. > In some cases drivers are carefully written to avoid such issues and > the default behaviour can be changed to allow runtime PM to operate > regularly during system sleep. But this change breaks quite a few assumptions in the core too, so no, it can't be made. Thanks!
