linux-kernel - RE: [PATCH 7/8] staging: fsl-dpaa2/eth: Add TODO file

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Date:   Tue, 6 Dec 2016 10:06:25 +0000
From:   Ruxandra Ioana Radulescu <ruxandra.radulescu@....com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "agraf@...e.de" <agraf@...e.de>, "arnd@...db.de" <arnd@...db.de>,
        "Alexandru Marginean" <alexandru.marginean@....com>,
        Bogdan Hamciuc <bogdan.hamciuc@....com>,
        Stuart Yoder <stuart.yoder@....com>,
        Roy Pledge <roy.pledge@....com>,
        Laurentiu Tudor <laurentiu.tudor@....com>
Subject: RE: [PATCH 7/8] staging: fsl-dpaa2/eth: Add TODO file

> -----Original Message-----
> From: Greg KH [mailto:gregkh@...uxfoundation.org]
> Sent: Tuesday, December 06, 2016 11:58 AM
> To: Ruxandra Ioana Radulescu <ruxandra.radulescu@....com>
> Cc: devel@...verdev.osuosl.org; linux-kernel@...r.kernel.org;
> agraf@...e.de; arnd@...db.de; Alexandru Marginean
> <alexandru.marginean@....com>; Bogdan Hamciuc
> <bogdan.hamciuc@....com>; Stuart Yoder <stuart.yoder@....com>; Roy
> Pledge <roy.pledge@....com>; Laurentiu Tudor
> <laurentiu.tudor@....com>
> 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@....com>
> > ---
> >  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.
I can remove the other bullets from the TODO list if you think they're
not worth mentioning.

Thanks,
Ioana