linux-kernel - Re: [PATCH 1/5] dt-bindings: mtd: jedec,spi-nor: document issi,is25wp256

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Date:   Wed, 25 Aug 2021 14:56:50 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Tudor.Ambarus@...rochip.com, p.yadav@...com
Cc:     miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
        robh+dt@...nel.org, paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, atish.patra@....com, sagar.kadam@...ive.com,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 1/5] dt-bindings: mtd: jedec,spi-nor: document
 issi,is25wp256

On 20/08/2021 15:28, Tudor.Ambarus@...rochip.com wrote:
> On 8/19/21 8:36 PM, Krzysztof Kozlowski wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>
>> On 19/08/2021 19:28, Pratyush Yadav wrote:
>>> + Tudor (you should be listed as a maintainer for this file IMO)
>>>
>>> On 19/08/21 06:59PM, Krzysztof Kozlowski wrote:
>>>> Document bindings for the issi,is25wp256 SPI NOR flash.
>>>>
>>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
>>>> ---
>>>>  Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 1 +
>>>>  1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
>>>> index ed590d7c6e37..0db64ac7dc33 100644
>>>> --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
>>>> +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
>>>> @@ -33,6 +33,7 @@ properties:
>>>>        - items:
>>>>            - enum:
>>>>                - issi,is25lp016d
>>>> +              - issi,is25wp256
>>>
>>> I don't think we want to add any new flash specific compatibles. Why is
>>> "jedec,spi-nor" not enough for you?
>>
>> It's fine for me. I had impression that specific compatibles are still
>> preferred and one of boards is using this one. The other way is to
>> remove this compatible from the board DTS.
>>
> 
> Pratyush is right, we prefer to bind just to the generic "jedec,spi-nor"
> compatible whenever possible.

Thanks for confirming this. I'll fixup the dts.


Best regards,
Krzysztof