[PATCH v2 4/4] net: macb: Add hardware PTP support

[Richard Cochran]

On Tue, Jun 06, 2017 at 08:54:50AM +0000, Rafal Ozieblo wrote:
> Would "ENOTSUP" be sufficient ?

You mean EOPNOTSUPP?  Yes, sounds ok to me.  EFAULT is surely wrong.

Thanks,
Richard