linux-kernel - Re: [PATCH 1/3] dt-bindings: mtd: spi-nor: add n25q00 schema

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Message-ID: <0b9b656d-df4d-6062-2b0d-70aea02f378f@microchip.com>
Date:   Tue, 5 Oct 2021 11:59:06 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <p.yadav@...com>, <pan@...ihalf.com>
CC:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <robh+dt@...nel.org>, <arnd@...db.de>, <olof@...om.net>,
        <soc@...nel.org>, <dinguyen@...nel.org>, <p.zabel@...gutronix.de>,
        <linux-mtd@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <tn@...ihalf.com>,
        <ka@...ihalf.com>, <jam@...ihalf.com>
Subject: Re: [PATCH 1/3] dt-bindings: mtd: spi-nor: add n25q00 schema

On 9/23/21 9:59 PM, Pratyush Yadav wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> +Tudor
> 
> On 20/09/21 02:41PM, Paweł Anikiel wrote:
>> Add schema for the n25q00 NOR flash memory.
>>
>> Signed-off-by: Paweł Anikiel <pan@...ihalf.com>
>> ---
>>  Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
>> index ed590d7c6e37..efb3c5e05c5a 100644
>> --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
>> +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
>> @@ -18,7 +18,7 @@ properties:
>>        - items:
>>            - pattern: "^((((micron|spansion|st),)?\
>>                (m25p(40|80|16|32|64|128)|\
>> -              n25q(32b|064|128a11|128a13|256a|512a|164k)))|\
>> +              n25q(00|32b|064|128a11|128a13|256a|512a|164k)))|\
> 
> IIUC this is supposed to only be for legacy/old flashes that started out
> using flash-specific compatibles. Any new flashes should simply use
> jedec,spi-nor unless there is a legitimate reason to do so.

that's correct, the generic compatible should suffice for these flashes.

> 
> Until you justify that reason,
> 
> Nacked-by: Pratyush Yadav <p.yadav@...com>

I agree.

Cheers,
ta