On Tue, Nov 30, 2010 at 10:48:17AM -0500, Alan Stern wrote: > On Mon, 29 Nov 2010, Sarah Sharp wrote: > > > From: John Youn <John.Youn@xxxxxxxxxxxx> > > > > Update the USB core to deal with USB 3.0 hubs. These hubs have a slightly > > different hub descriptor than USB 2.0 hubs, with a fixed (rather than > > variable length) size. Change the USB core's hub descriptor to have a > > union for the last fields that differ. Change the host controller drivers > > that access those last fields (DeviceRemovable and PortPowerCtrlMask) to > > use the union. > > > > Translate the new version of the hub port status field into the old > > version that khubd understands. (Note: we need to fix it to translate the > > roothub's port status once we stop converting it to USB 2.0 hub status > > internally.) > > Although this patch may not be the right place to do it, I would like > to see the port status conversion stuff added to this series. Yes, it was my intent to include that in the final patchset. > At the same time, the hub driver shouldn't need to translate USB-3 port > statuses into USB-2 form. It should be smart enough to interpret the > value based on the kind of hub. Yes, there's a lot of cleanup I'd like to do in the USB core along those lines. But I wanted to get feedback on the major changes in the USB core before working on the cleanup. Sarah Sharp -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
