On Tue, Feb 17, 2009 at 06:14:34AM -0800, Brian Swetland wrote: > [Matthew Garrett <mjg59@xxxxxxxxxxxxx>] > > https://lists.linux-foundation.org/pipermail/linux-pm/2009-January/019493.html > > says that they're the same on their current platform. > > Well on the Qualcomm MSM72xx SoCs, yeah they're pretty similar -- we can > reasonably enter power collapse (full shutdown of the ARM11 and > peripherals) from idle. But this is not (to my knowledge) true of *all* > SoCs out there. Also, resuming from this state can take 5-30ms > (depending on how distracted the baseband processor is by what's going > on on the network). Mm. Resume from deep idle on x86 is typically in the usec range, but this is the kind of constraint that pm_qos exposes nicely. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm