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Message-ID: <2bc63ab2-2fd6-3fae-33d5-a6096b78cec0@linaro.org>
Date: Thu, 16 Feb 2023 09:13:21 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: yanhong wang <yanhong.wang@...rfivetech.com>,
linux-riscv@...ts.infradead.org, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: "David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Emil Renner Berthing <kernel@...il.dk>,
Richard Cochran <richardcochran@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Peter Geis <pgwipeout@...il.com>
Subject: Re: [PATCH v4 2/7] dt-bindings: net: snps,dwmac: Update the maxitems
number of resets and reset-names
On 15/02/2023 08:46, yanhong wang wrote:
>
>
> On 2023/2/7 15:59, Krzysztof Kozlowski wrote:
>> On 07/02/2023 03:43, yanhong wang wrote:
>>>
>>>
>>> On 2023/1/18 23:47, Krzysztof Kozlowski wrote:
>>>> On 18/01/2023 07:16, Yanhong Wang wrote:
>>>>> Some boards(such as StarFive VisionFive v2) require more than one value
>>>>> which defined by resets property, so the original definition can not
>>>>> meet the requirements. In order to adapt to different requirements,
>>>>> adjust the maxitems number definition.
>>>>>
>>>>> Signed-off-by: Yanhong Wang <yanhong.wang@...rfivetech.com>
>>>>> ---
>>>>> Documentation/devicetree/bindings/net/snps,dwmac.yaml | 9 +++------
>>>>> 1 file changed, 3 insertions(+), 6 deletions(-)
>>>>>
>>>>> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>>>>> index e26c3e76ebb7..baf2c5b9e92d 100644
>>>>> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>>>>> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>>>>> @@ -133,12 +133,9 @@ properties:
>>>>> - ptp_ref
>>>>>
>>>>> resets:
>>>>> - maxItems: 1
>>>>
>>>> Also, this does not make sense on its own and messes constraints for all
>>>> other users. So another no for entire patch.
>>>>
>>>
>>> Thanks. Change the properties of 'resets' and reset-names like this:
>>>
>>> resets:
>>> minItems: 1
>>> maxItems: 2
>>>
>>> reset-names:
>>> minItems: 1
>>> maxItems: 2
>>>
>>> Is it right? Do you have any other better suggestions?
>>
>> Isn't this allowing two reset items for every variant of snps,dwmac?
>>
>
> Sorry for not getting back to you faster.
> After referring to the above modification, i used the command 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> to check all the bindings(including 'starfive,jh7110-dwmac.yaml'), no errors are reported,
> and the errors reported by Rob Herring are gone.
I don't see how does it answer my question. I claim you loosen the
constraints and allow now two resets for everyone. You say you don't see
errors. I never claimed there will be errors. I claimed what I said -
you allow now to reset everywhere, which might not be correct
description of every hardware.
Best regards,
Krzysztof
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