RE: [PATCH v2 3/5] usb: pd: Add helper macro to get Type C cable speed

From: Patel, Utkarsh H
Date: Tue Sep 05 2023 - 19:48:02 EST


Hi Heikki,

Thank you for the review.

> -----Original Message-----
> From: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> Sent: Monday, September 4, 2023 12:12 AM
> To: Patel, Utkarsh H <utkarsh.h.patel@xxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx;
> pmalani@xxxxxxxxxxxx; chrome-platform@xxxxxxxxxxxxxxx;
> andriy.shevchenko@xxxxxxxxxxxxxxx; bleung@xxxxxxxxxxxx
> Subject: Re: [PATCH v2 3/5] usb: pd: Add helper macro to get Type C cable
> speed
>
> On Mon, Sep 04, 2023 at 10:08:42AM +0300, Heikki Krogerus wrote:
> > On Wed, Aug 30, 2023 at 03:39:48PM -0700, Utkarsh Patel wrote:
> > > Added a helper macro to get the Type C cable speed when provided the
> > > cable VDO.
> > >
> > > Signed-off-by: Utkarsh Patel <utkarsh.h.patel@xxxxxxxxx>
> >
> > Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> >
> > > ---
> > > Changes in v2:
> > > - This change is being added as new patch in this series.
> > >
> > > include/linux/usb/pd_vdo.h | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/include/linux/usb/pd_vdo.h b/include/linux/usb/pd_vdo.h
> > > index b057250704e8..3a747938cdab 100644
> > > --- a/include/linux/usb/pd_vdo.h
> > > +++ b/include/linux/usb/pd_vdo.h
> > > @@ -376,6 +376,7 @@
> > > | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5
> \
> > > | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
> > >
> > > +#define VDO_TYPEC_CABLE_SPEED(vdo) ((vdo) & 0x7)
> > > #define VDO_TYPEC_CABLE_TYPE(vdo) (((vdo) >> 18) & 0x3)
>
> Hold on! You are not using this anywhere in the patch set?
>
> Since this is just a helper, I think it would be appropriate to introduce it
> together with a user for it.
>

Ack.

Sincerely,
Utkarsh Patel.