On Wed, 18 Apr 2012, Mark Brown wrote: > On Wed, Apr 18, 2012 at 01:24:07PM -0400, Steven Rostedt wrote: > > > Hmm, if the system is going down into suspend, what's the purpose of > > putting the individual devices into low-power states. The entire system > > will become a low-power state once it hits suspend, wont it? > > Embedded platforms tend to rely on drivers doing this, either because > the system suspend just suspends a portion of the system or because > suspending the core on the system relies on the devices having being > quiesced (or a combination of both). Right. One reasonable workaround might be simply to avoid putting PCI devices into D3 before suspend if the system uses ACPI. But I don't know if that would interfere with the wakeup mechanism. On the whole, it seems like a better idea to treat this particular chipset specially. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/linux-pm
