Re: [PATCH v2 4/9] thunderbolt: Add initial support for USB4

[Greg Kroah-Hartman]

On Wed, Dec 18, 2019 at 09:34:45AM +0000, Nicholas Johnson wrote:
> On Tue, Dec 17, 2019 at 03:33:40PM +0300, Mika Westerberg wrote:
> > USB4 is the public specification based on Thunderbolt 3 protocol. There
> > are some differences in register layouts and flows. In addition to PCIe
> > and DP tunneling, USB4 supports tunneling of USB 3.x. USB4 is also
> > backward compatible with Thunderbolt 3 (and older generations but the
> > spec only talks about 3rd generation). USB4 compliant devices can be
> > identified by checking USB4 version field in router configuration space.
> > 
> > This patch adds initial support for USB4 compliant hosts and devices
> > which enables following features provided by the existing functionality
> > in the driver:
> > 
> >   - PCIe tunneling
> >   - Display Port tunneling
> Nitpick: DisplayPort is a single word.

Please learn to trim replies, it was a pain to read this message :(