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. Thanks, Raffaele -- www.opensurf.it _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
