On Wed, 9 Oct 2013, Clemens Ladisch wrote: > And why does the kernel whine about the lack of a callback that is > documented as being optional? It might indeed be a good idea to change that dev_warn() statement to dev_dbg(). On the other hand, without that message this particular failure might have been harder to diagnose. Does anybody have strong feelings either way? Alan Stern -- 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