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Tue, 1 Dec 2020 05:35:20 -0500 (EST) Date: Tue, 1 Dec 2020 11:35:19 +0100 From: Maxime Ripard To: =?utf-8?B?Q2zDqW1lbnQgUMOpcm9u?= Subject: Re: [linux-sunxi] Re: [PATCH 3/3] arm64: allwinner: dts: a64: add DT for PineTab developer sample Message-ID: <20201201103519.b7rbkmjssmvy6qeo@gilmour> References: <38ee5feb-e35d-801f-99a1-65e23618e73b@sholland.org> <20201123111512.y7lbwsipbkcpuleb@gilmour> <97E2037C-3C3C-4B0B-8462-39B9E38CB3BB@aosc.io> <20201123125332.2p5z3ew7svszvyfs@gilmour> <009A22D9-AF20-45C4-9674-13334B3EFFBA@aosc.io> <20201128103827.d6sfc2eumli2betx@gilmour> <1666a61f6ea3e7d573795f9000a0b096c7b7dee0.camel@aosc.io> MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201201_053523_997902_F950144C X-CRM114-Status: GOOD ( 33.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree , Jernej Skrabec , Samuel Holland , linux-kernel , linux-sunxi , Rob Herring , Chen-Yu Tsai , linux-arm-kernel , Icenowy Zheng Content-Type: multipart/mixed; boundary="===============1404266709699354091==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1404266709699354091== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="rgqpgfhy623krart" Content-Disposition: inline --rgqpgfhy623krart Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Nov 28, 2020 at 10:07:27PM +0100, Cl=C3=A9ment P=C3=A9ron wrote: > Hi Maxime, Icenowy, >=20 > On Sat, 28 Nov 2020 at 12:59, Icenowy Zheng wrote: > > > > > > > > =E4=BA=8E 2020=E5=B9=B411=E6=9C=8828=E6=97=A5 GMT+08:00 =E4=B8=8B=E5=8D= =887:54:04, "Cl=C3=A9ment P=C3=A9ron" =E5=86=99=E5= =88=B0: > > >Hi Icenowy, > > > > > >On Sat, 28 Nov 2020 at 12:28, Icenowy Zheng 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. But I'm not satisfied with a non-public sample > > >> > > > > > > > occupies > > >> > > > > > > > the pinetab name. 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. > > >> > > > > > > > >> > > > > > I understand where you're coming from, but the point I was > > >> > > > > > making my > > >> > > > > > previous mail is precisely that it's not really possible. > > >> > > > > > > > >> > > > > > You want to name the early adopter version _the_ production > > >> > > > > > version. Let's assume the hardware changes again between > > >the > > >> > > > > > early > > >> > > > > > adopter and mass-production version. 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. 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. > > >> > > > > Then will it be okay to rename current pinetab DT to > > >> > > > > pinetab-sample and then introduce new DTs all with suffixes? > > >> > > > > > >> > > > No. From my previous mail: > > >> > > > > >> > > It can be seen as dropping the PineTab DT and introduce new DTs > > >> > > with > > >> > > suffix. > > >> > > > > >> > > 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. >=20 > I just ask Pine64 about this and here is the reply : > "The PineTab LCD panel change was a last minutes before production > starts that vendor advise us switch over to new LCD controller due to > EoL concern". >=20 > "Pine64 communication" is not so bad we just need to ask and they reply :) >=20 > So the issue is not that the Product was not finalized but that one > component arrives in EoL. > This could also happens during a running production. Like you said, it can happen pretty much any time, for any reason, so the intent doesn't really matter here. Maxime --rgqpgfhy623krart Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCX8YcZwAKCRDj7w1vZxhR xYH3AP0dPxkYv/U6VJA+t3uPWhK00GwYTZ3CFhfHVGf/HccA6gD/dKv7K797LKRy FdumRXFytt561Lnmzp/j2JD29QjL9AY= =eIGA -----END PGP SIGNATURE----- --rgqpgfhy623krart-- --===============1404266709699354091== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1404266709699354091==--