On Wed, 26 Sep 2012, Sarah Sharp wrote: > > Oliver was pointing out that if none of the attached devices are FS/LS > > then the companion controller and all its ports could be powered off. > > The EHCI driver knows when a new FS/LS device gets attached, so it > > could arrange for the companion controller to power back on at that > > time. > > Yep, that might help on some other system with a port power off > mechanism, but not for Lynx Point. I'm pretty sure Lynx Point only has > EHCI rate matching hubs, and no companion controllers.
That's probably going to be true for all systems that support port-power switching. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
