Yuping Luo <lypingsh@...> writes: > > > please check the PORTSCx register, and write 1 to PFSC (Port Force Full Speed > Connect), after that, you may double check the two bit PSPD (Port > Speed) for effect. > > and for your hcd driver, do you use the common ehci-hcd code and your > glue, or just > write a new one? I suspect your driver are buggy. also you may > capture the usb packet > by using some tools like Lecroy USB Protocol Analyzer. > > thanks > > Yuping Hi Yuping, Thanks a lot for your comments. I use the common ehci-hcd code with my glue code. All the PORTSCx register handling are in the generic ehci driver code. Glue code only has the probe API and ehci-reset API. I will try you suggested to see what's going on. Regards Jimmy > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@... > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- 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