[U-Boot] [U-Boot-Custodians] [RFC] enforce CONFIG_DM=y

[Tom Rini]

On Fri, Aug 23, 2019 at 08:49:29PM +0200, Marek Vasut wrote:
> On 8/23/19 1:35 PM, Heinrich Schuchardt wrote:
> > On 8/23/19 12:49 PM, Marek Vasut wrote:
> >> On 8/13/19 11:53 AM, Marek Vasut wrote:
> >>> On 8/13/19 11:34 AM, Simon Glass wrote:
> >>>> On Fri, 9 Aug 2019 at 12:39, Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
> >>>>>
> >>>>> The time lines set force in doc/driver-model/migration.rst for different
> >>>>> subsystems to move to the driver model have been passed.
> >>>>>
> >>>>> I ran a test on Travis CI
> >>>>> https://travis-ci.org/xypron2/u-boot/builds/569776600
> >>>>> that showed only 8 boards remain that cannot be built with CONFIG_DM=y.
> >>>>>
> >>>>> H2200
> >>>>> * h2200
> >>>>>
> >>>>> Renesas
> >>>>> * sh7757lcr
> >>>>> * sh7752evb
> >>>>> * r2dplus
> >>>>> * sh7753evb
> >>>>> * sh7763rdp
> >>>>> * MigoR
> >>>>> * r7780mp.
> >>>>>
> >>>>> I think it is time that we enforce CONFIG_DM=y in U-Boot and remove
> >>>>> boards that do not support it.
> >>>>
> >>>> Agreed, that is a small list. I think Tom should make the call though.
> >>>
> >>> Was there ever a warning about this , to notify the maintainers that the
> >>> boards need conversion ?
> >>
> >> So I was asked to retain migor and r2dplus. I need some time to figure
> >> out the details of what will really be retained. When are they due to be
> >> dropped ?
> >>
> > 
> > The boards above are the ones that cannot be built with DM=y. Others may
> > be failing at runtime. Therefore I suggest targeting the v2020.01
> > release.  If that date is ok, let's add a warning via /Makefile:
> 
> That's fine I think.
> 
> > "This board does not use CONFIG_DM=y. All boards without CONFIG_DM=y
> > will be removed from U-Boot with the v2020.01 release."
> 
> I am somewhat concerned that enforcing the overhead of DM on everyone
> might make U-Boot less "universal".

Do you have some suggestions on how to improve the situation?

-- 
Tom
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