[PATCH] USB: root hubs can report remote wakeup feature
The patch lets HCDs report the root hub remote wakeup feature to usbcore through config descriptors, and lets usbcore say whether or not remote wakeup (of host from sleep, by devices) should be enabled. Both OHCI and UHCI HCDs have some remote wakeup support already; I'm not too sure how well it works. Given (separate) patches, their root hubs can start to act more like other hubs in this area too. That'll make it easier to start using USB suspend mode.
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