On Thu, Jul 13, 2023 at 12:39:09PM +0200, Oliver Neukum wrote: > Hi, > > what is the policy on uapi. It being for user space means > that it should be as complete as possible, even if the kernel does not need stuff, > should it not? If the kernel does not need it, why add it to a uapi .h file as there is nothing that userspace could do with it, right? Or are you talking about USB protocols/structures that userspace can use by talking to a USB device directly? Specifics would be great to have, thanks. greg k-h