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Subject: Re: [linux-sunxi] Re: [PATCH 3/3] arm64: allwinner: dts: a64: add DT for PineTab developer sample
To:     =?ISO-8859-1?Q?Cl=E9ment_P=E9ron?= <peron.clem@gmail.com>
CC:     Maxime Ripard <maxime@cerno.tech>,
        Samuel Holland <samuel@sholland.org>,
        devicetree <devicetree@vger.kernel.org>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        linux-sunxi <linux-sunxi@googlegroups.com>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Chen-Yu Tsai <wens@csie.org>, Rob Herring <robh+dt@kernel.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
From:   Icenowy Zheng <icenowy@aosc.io>
Message-ID: <C8F86F90-14BF-4857-9DB8-7968A34E4656@aosc.io>
Precedence: bulk


=E4=BA=8E 2020=E5=B9=B411=E6=9C=8828=E6=97=A5 GMT+08:00 =E4=B8=8B=E5=8D=88=
7:54:04, "Cl=C3=A9ment P=C3=A9ron" <peron=2Eclem@gmail=2Ecom> =E5=86=99=E5=
=88=B0:
>Hi Icenowy,
>
>On Sat, 28 Nov 2020 at 12:28, Icenowy Zheng <icenowy@aosc=2Eio> wrote:
>>
>> =E5=9C=A8 2020-11-28=E6=98=9F=E6=9C=9F=E5=85=AD=E7=9A=84 11:38 +0100=EF=
=BC=8CMaxime Ripard=E5=86=99=E9=81=93=EF=BC=9A
>> > On Mon, Nov 23, 2020 at 09:10:38PM +0800, Icenowy Zheng wrote:
>> > > > > > > > Okay=2E But I'm not satisfied with a non-public sample
>> > > > > > > > occupies
>> > > > > > > > the pinetab name=2E Is rename it to pinetab-dev and add a
>> > > > > > > > pinetab-retail okay?
>> > > > > > >
>> > > > > > > To me, naming the production version anything but
>"pinetab"
>> > > > > > > isn't
>> > > > > > > satisfying either=2E
>> > > > > >
>> > > > > > I understand where you're coming from, but the point I was
>> > > > > > making my
>> > > > > > previous mail is precisely that it's not really possible=2E
>> > > > > >
>> > > > > > You want to name the early adopter version _the_ production
>> > > > > > version=2E Let's assume the hardware changes again between
>the
>> > > > > > early
>> > > > > > adopter and mass-production version=2E Which one will be
>_the_
>> > > > > > production version? The early-adopter or the mass-produced
>> > > > > > one?
>> > > > > >
>> > > > > > There's really no good answer here, and both would suck in
>> > > > > > their
>> > > > > > own way=2E The only way to deal with this is to simply avoid
>> > > > > > defining one version as the one true board, and just
>loading
>> > > > > > the
>> > > > > > proper DT in u-boot based on whatever clue we have of the
>> > > > > > hardware
>> > > > > > revision=2E
>> > > > > Then will it be okay to rename current pinetab DT to
>> > > > > pinetab-sample and then introduce new DTs all with suffixes?
>> > > >
>> > > > No=2E From my previous mail:
>> > >
>> > > It can be seen as dropping the PineTab DT and introduce new DTs
>> > > with
>> > > suffix=2E
>> > >
>> > > Do we have rule that we cannot drop boards?
>> >
>> > Are you really arguing that removing a DT and then adding an
>> > identical
>> > one under a different name is not renaming it?
>>
>> Then we can just keep confusing name?
>
>Sorry maybe I missed some information
>But why don't you do like pinephone?

They're the same board revision with different LCD panels=2E

And the major problem is that the DT for samples is already submitted
under the name "PineTab"=2E

>sun50i-a64-pinetab-1=2E0=2Edts
>sun50i-a64-pinetab-1=2E1=2Edts
>
>-dev is also a confusing name I think, as the board has been already
>shipped=2E
>
>Regards,
>Clement
>
>
>>
>> If we do so, how can we mark the new DT as "the user should use this
>> one"?
>>
>> --
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000a0b096c7b7dee0=2Ecamel%40aosc=2Eio=2E