On Fri, Mar 05, 2010 at 11:16:33PM +0800, Crane Cai wrote: > On Fri, Mar 05, 2010 at 09:38:28AM -0500, Alan Stern wrote: > > > > That doesn't do me any good, since I don't have access to the xHCI > > spec. > > If you need the spec, an agreement is needed with intel. > http://www.intel.com/technology/usb/xhcispec.htm > And if you read it, this concept may be easy to describe. Or Sarah have more > clear word. > Now the chart tells us there is only one root hub with 2 different kind ports, > and combine them in 1 physical connector. The xhci-hcd driver now export one > root hub with different kind ports, not 2 different kind root hub. The xHCI root hub code was a quick hack I put together to get started. Ideally, it should present khubd with two USB hub connections, one with USB2/1.1 ports, and one with USB3 only. I'm going to verify how real hubs work and then modify the roothub code to conform to real behavior. 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
