Am Mittwoch, 31. Januar 2007 14:04 schrieb Pavel Machek: > On Wed 2007-01-31 13:53:20, Amit Kucheria wrote: > > On Wed, 2007-01-31 at 11:48 +0100, ext Andi Kleen wrote: > > > On Wednesday 31 January 2007 11:27, Matthew Garrett wrote: > > > > On Wed, Jan 31, 2007 at 12:13:04PM +0100, Andi Kleen wrote: > > > > > Matthew Garrett <mjg59 at srcf.ucam.org> writes: > > > > > > > > > > > > PCI seems to require a delay of 10ms when sequencing from D3 to D0, > > > > > > which probably isn't acceptable latency for an "up" state. > > > > > > > > > > It might be if the interface has been idle for some time > > > > > (and the delay is not busy looping of course) > > > > > > > > Hm. How would this interact with receiving packets? > > > > > > The hardware will hopefully have support to wake itself up when that > > > happens. > > > > Yes. Low power states without ability to respond to wakeup interrupts > > would be broken behaviour generally. > > Do you realy expect wifi to save significant ammount of power, while > still listening for packets on wireless network? It has a managed mode which gives each station a timeslot. Outside those slots you could power down, if you can do it quickly. Regards Oliver
