* Ran Shalit <ranshalit@xxxxxxxxx> [141118 00:26]: > > In coninuity to my previous message, thse is the log for time in state > 0-state 6: > > On Tue, Nov 18, 2014 at 10:21 AM, Ran Shalit <ranshalit@xxxxxxxxx> wrote: > > > > When I try to do suspend from userspace, I get better results and it > > seems that all domain been put to RET or OFF but on checking power > > state time it still shows 0. Do you know why ? Looks like you still have some hardware blocking off states. Maybe the state time shows only that? > >> Probably a dumb question... But if I try to print them won't it > >> automatically wakes up the serial (by the way should the serial wakeup > >> be configured to RX pin only ?) Yes for the RX pin only as that's where the wake-up event comes from. > >> Another thing I don't understand... Can it be that there is some > >> ongoing kernel process that also prevent me for entering retention ? Could be if you have something CPU intensive going on like tracing. > >> I think maybe I should try first to suspend (instead of trying to > >> enter retention in idle) , maybe it might bring better result ? Yes from the hardware point of view suspend does the same thing as the deeper idle states. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
