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

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Date:   Tue, 6 Dec 2016 11:20:14 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ruxandra Ioana Radulescu <ruxandra.radulescu@....com>
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

On Tue, Dec 06, 2016 at 10:06:25AM +0000, Ruxandra Ioana Radulescu wrote:
> > -----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.

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