Re: [PATCH 7/8] staging: fsl-dpaa2/eth: Add TODO file

From: Greg KH
Date: Tue Dec 06 2016 - 05:20:12 EST


On Tue, Dec 06, 2016 at 10:06:25AM +0000, Ruxandra Ioana Radulescu wrote:
> > -----Original Message-----
> > From: Greg KH [mailto:gregkh@xxxxxxxxxxxxxxxxxxx]
> > Sent: Tuesday, December 06, 2016 11:58 AM
> > To: Ruxandra Ioana Radulescu <ruxandra.radulescu@xxxxxxx>
> > Cc: devel@xxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> > agraf@xxxxxxx; arnd@xxxxxxxx; Alexandru Marginean
> > <alexandru.marginean@xxxxxxx>; Bogdan Hamciuc
> > <bogdan.hamciuc@xxxxxxx>; Stuart Yoder <stuart.yoder@xxxxxxx>; Roy
> > Pledge <roy.pledge@xxxxxxx>; Laurentiu Tudor
> > <laurentiu.tudor@xxxxxxx>
> > Subject: Re: [PATCH 7/8] staging: fsl-dpaa2/eth: Add TODO file
> >
> > On Tue, Dec 06, 2016 at 03:34:41AM -0600, Ioana Radulescu wrote:
> > > Add a list of TODO items for the Ethernet driver
> > >
> > > Signed-off-by: Ioana Radulescu <ruxandra.radulescu@xxxxxxx>
> > > ---
> > > drivers/staging/fsl-dpaa2/ethernet/TODO | 9 +++++++++
> > > 1 files changed, 9 insertions(+), 0 deletions(-)
> > > create mode 100644 drivers/staging/fsl-dpaa2/ethernet/TODO
> > >
> > > diff --git a/drivers/staging/fsl-dpaa2/ethernet/TODO b/drivers/staging/fsl-
> > dpaa2/ethernet/TODO
> > > new file mode 100644
> > > index 0000000..833265b
> > > --- /dev/null
> > > +++ b/drivers/staging/fsl-dpaa2/ethernet/TODO
> > > @@ -0,0 +1,9 @@
> > > +* Add a DPAA2 MAC kernel driver in order to allow PHY management;
> > currently
> > > + the DPMAC objects and their link to DPNIs are handled by MC internally
> > > + and all PHYs are seen as fixed-link
> > > +* add more debug support: decide how to expose detailed debug
> > statistics,
> > > + add ingress error queue support
> > > +* MC firmware uprev; the DPAA2 objects used by the Ethernet driver
> > need to
> > > + be kept in sync with binary interface changes in MC
> > > +* refine README file
> > > +* cleanup
> >
> > These seem like very minor things, why not just spend a week and do this
> > work and get it merged to the "correct" portion of the kernel tree? Why
> > does this have to go into staging?
>
> Actually the first bullet is not minor at all and requires some design
> choices that we aren't yet completely clear with, and which in turn may
> affect parts of the Ethernet driver. We figured it would be best to try
> adding this in staging first (and also provide this way an example of using
> the fsl-mc bus and dpio driver) than wait until all MAC development
> questions are ironed-out.

Ok, that makes sense.

> I can remove the other bullets from the TODO list if you think they're
> not worth mentioning.

No, they should be mentioned, I just didn't think they are all that much
work, and if you didn't have major things needed to get done, you could
just knock it all out in a week of local development.

I'll look into taking this into the tree later today...

thanks,

greg k-h