linux-kernel - Re: [PATCH] dt-bindings: rockchip: Fix Hardkernel ODROID-M1 board bindings

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Date: Wed, 14 Feb 2024 15:00:06 +1100
From: Tim Lunn <tim@...thertop.org>
To: Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh@...nel.org>
Cc: KyuHyuk Lee <lee@...hyuk.kr>,
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Chris Morgan <macromorgan@...mail.com>,
 Tianling Shen <cnsztl@...il.com>, Jagan Teki <jagan@...eble.ai>,
 Ondrej Jirman <megi@....cz>, Andy Yan <andyshrk@....com>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: rockchip: Fix Hardkernel ODROID-M1 board
 bindings

Hi Heiko,

On 2/14/24 06:31, Heiko Stuebner wrote:
> Hi Tim,
>
> Am Mittwoch, 17. Januar 2024, 11:03:26 CET schrieb Tim Lunn:
>> On 1/17/24 06:55, Heiko Stübner wrote:
>>> Am Dienstag, 16. Januar 2024, 20:26:05 CET schrieb Rob Herring:
>>>> On Tue, Jan 16, 2024 at 09:31:35AM +0100, Heiko Stübner 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@...hyuk.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.
>>> Ah, that's good to know (both points) ... so essentially right now would be
>>> a good time to do what Tim suggested, before the names get actual usage.
>>>
>>> @Tim: is that something you'd want to do?
>>>
>> Sure, I will prepare patches and send them out soon.
> As I stumbled upon this patch just now, how is that coming along? :-)


Thanks for the reminder, I will send them now ;)

Regards
   Tim

>
> Thanks
> Heiko
>
>