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Date: Tue, 16 Jan 2024 13:26:05 -0600
From: Rob Herring <robh@kernel.org>
To: Heiko =?iso-8859-1?Q?St=FCbner?= <heiko@sntech.de>
Cc: Tim Lunn <tim@feathertop.org>, KyuHyuk Lee <lee@kyuhyuk.kr>,
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Chris Morgan <macromorgan@hotmail.com>,
	Tianling Shen <cnsztl@gmail.com>, Jagan Teki <jagan@edgeble.ai>,
	Ondrej Jirman <megi@xff.cz>, Andy Yan <andyshrk@163.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: rockchip: Fix Hardkernel ODROID-M1 board
 bindings
Message-ID: <20240116192605.GA274661-robh@kernel.org>
References: <20240115145142.6292-1-lee@kyuhyuk.kr>
 <8b31ae29-b88b-4ded-95b4-c2d9bbad24e1@feathertop.org>
 <3dfe868d-ff8d-44ac-a68e-066ac42a6705@linaro.org>
 <2421144.zToM8qfIzz@diego>
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In-Reply-To: <2421144.zToM8qfIzz@diego>

On Tue, Jan 16, 2024 at 09:31:35AM +0100, Heiko St?bner wrote:
> Am Dienstag, 16. Januar 2024, 08:24:44 CET schrieb Krzysztof Kozlowski:
> > On 16/01/2024 03:00, Tim Lunn wrote:
> > > 
> > > On 1/16/24 01:58, Krzysztof Kozlowski wrote:
> > >> On 15/01/2024 15:51, KyuHyuk Lee wrote:
> > >>> The vendor in ODROID-M1 is hardkernel, but it was incorrectly written
> > >>> as rockchip. Fixed the vendor prefix correctly.
> > >>>
> > >>> Signed-off-by: KyuHyuk Lee <lee@kyuhyuk.kr>
> > >>> ---
> > >>>   Documentation/devicetree/bindings/arm/rockchip.yaml | 2 +-
> > >>>   1 file changed, 1 insertion(+), 1 deletion(-)
> > >> You need to start testing your patches. Your last M1 fails as well in
> > >> multiple places.
> > >>
> > >> It does not look like you tested the DTS against bindings. Please run
> > >> `make dtbs_check W=1` (see
> > >> Documentation/devicetree/bindings/writing-schema.rst or
> > >> https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/
> > >> for instructions).
> > >>
> > >> The DTS change will break the users, so would be nice to mention this in
> > >> its commit msg.
> > > 
> > > I notice there are a couple of other boards that incorrectly use 
> > > rockchip as the vendor also:
> > > 
> > >            - const: rockchip,rk3399-orangepi
> > >            - const: rockchip,rk3568-bpi-r2pro
> > > 
> > > Perhaps these should also be fixed at the same time?
> > 
> > What is happening with rockchip boards?
> 
> Copy-paste stuff ... boards using rockchip,boardname instead of
> vendor,boardname for their compatible.
> 
> I do remember us noticing this a number of times on some boards
> and requesting fixes, but looks like some slipped through.
> 
> So I guess Tim is suggesting changing the compatible, but with boards
> being merged a while ago, this would break backwards compatibility.
> So I guess both the Orange and Banana Pies will need to live with that.

You may get away with it because we generally don't use the names...

Though there are some discussions to start using them to select dtbs by 
bootloaders.

Rob