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

[Marek Vasut]

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".

-- 
Best regards,
Marek Vasut