On Fri, 2013-09-06 at 12:19 +0200, Bjørn Mork wrote: > I assume this separate channel for device management was added to MBIM > because it wouldn't scale to keep adding new CDC notifications and > requests. The MBIM management protocol is easily extended by adding > new > commands and services, including vendor specific services, without > requiring any change to the standard or driver. It suffers from the problem of requiring polling. The solution with notifications over CDC is more elegant in principle. But it doesn't matter. We implement for the protocols that exist. Regards Oliver -- 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