On Friday, May 13, 2011, Raffaele Recalcati wrote: > Hi Rafael, > > 2011/5/12 Rafael J. Wysocki <rjw@xxxxxxx>: > > 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? > > Take a quick look at Documentation/power/loss.txt paragrpah "2.4 > Power loss policies". > You can decide what can be powered off. I read the patches. My question was about the general idea of who should be responsible of making these decisions. Thanks, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
