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Date:   Fri, 20 Nov 2020 17:04:17 +0000
From:   "Patel, Utkarsh H" <utkarsh.h.patel@...el.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Prashant Malani <pmalani@...omium.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "enric.balletbo@...labora.com" <enric.balletbo@...labora.com>,
        "Mani, Rajmohan" <rajmohan.mani@...el.com>,
        "Shaikh, Azhar" <azhar.shaikh@...el.com>
Subject: RE: [PATCH v3 1/4] usb: typec: Use Thunderbolt 3 cable discover mode
 VDO in Enter_USB message

Hi Heikki and Prashant,

Thank you for the feedback. 

> > > >  include/linux/usb/typec.h | 5 +++++
> > > >  1 file changed, 5 insertions(+)
> > > >
> > > > diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
> > > > index 6be558045942..25731ed863fa 100644
> > > > --- a/include/linux/usb/typec.h
> > > > +++ b/include/linux/usb/typec.h
> > > > @@ -75,6 +75,10 @@ enum typec_orientation {
> > > >  /*
> > > >   * struct enter_usb_data - Enter_USB Message details
> > > >   * @eudo: Enter_USB Data Object
> > > > + * @tbt_cable_vdo: TBT3 Cable Discover Mode Response
> > >
> > > This is fine..
> > >
> > > > + * @tbt_cable_vdo needs to be filled with details of active cable
> > > > + plug link
> > > > + * training and cable rounded support when thunderbolt 3 cable is
> > > > + being used to
> > > > + * create USB4 connection. Do not fill this in case of USB4 cable.
> > >
> > > But this is not. The description of the member tells what the member
> > > contains, but it does not make sense to explain also how to use the
> > > member in the same place.
> >
> > Slightly tangential question here:
> >
> > Is there a need to mention "active cable plug link training" and
> > "cable rounded support" at all? Wouldn't it be sufficient to omit
> > those in the description (in case some mux implementation wants to use
> > the other fields of the VDO) ?
> 
> No, I don't think so. I think it would be enough to just mention that we need
> the TBT3 Cable VDO only when the USB4 connection is created using TBT3
> cables. And that's it.

Ack.

> 
> 
> Br,
> 
> --
> Heikki

Sincerely,
Utkarsh Patel. 

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