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* Pavel Machek <pavel@ucw.cz> [050727 01:00]: > Hi! > > > > USB devices prevent entering C3 and any interesting powersaving, > > > try without USB... > > > > Why do USB devices prevent C3? If it was because of the timer polling > > in the root hub, I believe that should be fixed now. > > > > Or is there some other reason? > > Yes. UHCI zas keeps doing DMA all the time.... It can be worked > around, but it means proper usb powermanagment support. OK, thanks for clarifying that. Tony - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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