Am Donnerstag, 12. Mai 2011, 21:27:44 schrieb Rafael J. Wysocki: > On Thursday, May 12, 2011, Raffaele Recalcati wrote: > > What happen normally in runtime pm implementation is that every devices > > are switched off and are enabled only when needed. > > In our case instead we have a completely functional embedded system and, > > when an asyncrhonous event appear, we have only some tens milliseconds > > before the actual power failure takes place. > > This patchset add a support in order to switch off not vital part of the system, > > in order to allow the board to survive longer. > > This allow the possibility to save important data. > > OK, so first, who decides what parts of the system are vital and what aren't? If you know that power is failing in a few miliseconds, only stuff that can lead to data corruption is vital. In that timeframe you can't even flush buffers. Regards Oliver _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
