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Message-ID: <ec96c9cd-4734-4265-9693-d997eddccf93@linaro.org>
Date: Thu, 25 Jan 2024 12:02:48 +0100
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Subject: Re: [PATCH v3] dt-bindings: fpga: Convert fpga-region binding to yaml
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To: Rob Herring <robh@kernel.org>, Michal Simek <michal.simek@amd.com>
Cc: linux-kernel@vger.kernel.org, monstr@monstr.eu, michal.simek@xilinx.com,
 git@xilinx.com, Conor Dooley <conor+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Moritz Fischer <mdf@kernel.org>, Tom Rix <trix@redhat.com>,
 Wu Hao <hao.wu@intel.com>, Xu Yilun <yilun.xu@intel.com>,
 "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
 <devicetree@vger.kernel.org>,
 "open list:FPGA MANAGER FRAMEWORK" <linux-fpga@vger.kernel.org>
References: <4d87561dcbfab9e4818d7ad99caf89938774a839.1705491050.git.michal.simek@amd.com>
 <20240117214722.GA3176505-robh@kernel.org>
 <1aa2c865-3a9b-441a-ba61-b551f3f7a832@amd.com>
 <20240119233231.GA1290941-robh@kernel.org>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240119233231.GA1290941-robh@kernel.org>
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On 20/01/2024 00:32, Rob Herring wrote:
> On Thu, Jan 18, 2024 at 01:34:16PM +0100, Michal Simek wrote:
>>
>>
>> On 1/17/24 22:47, Rob Herring wrote:
>>> On Wed, Jan 17, 2024 at 12:30:58PM +0100, Michal Simek wrote:

> 
>>>> +additionalProperties: true
>>>
>>> Why? This should only be used if another schema is going to include this
>>> one. That's not the case here.
>>
>> In v2 we discussed this with Krzysztof. I used pattern properties from
>> simple-bus.yaml in v2.
>>
>> https://lore.kernel.org/all/b2dd8bcd-1e23-4b68-b7b7-c01b034fc1fe@linaro.org/
> 
> You didn't answer his question. You just picked up 
> 'additionalProperties: true' which is easy because it avoids 'problems'.
> 
> His question was is this a common schema referenced by other schemas? If 
> so, then use 'additionalProperties: true'. But it is not. You've 
> defined exactly what 'compatible' must be and that means it can't be a 
> common schema.

Yes, I missed that it has a compatible, so it is not expected to be
referenced from other schema, thus it should end with
'additionalProperties: false'.

Best regards,
Krzysztof