Hi Rafael, 2011/5/12 Rafael J. Wysocki <r...@sisk.pl>: > 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 _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
