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From: <Manikandan.M@microchip.com>
To: <linusw@kernel.org>, <michael@walle.cc>
Cc: <pratyush@kernel.org>, <mwalle@kernel.org>,
	<takahiro.kuwano@infineon.com>, <miquel.raynal@bootlin.com>,
	<richard@nod.at>, <vigneshr@ti.com>, <robh@kernel.org>,
	<krzk+dt@kernel.org>, <conor+dt@kernel.org>, <srini@kernel.org>,
	<Nicolas.Ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
	<claudiu.beznea@tuxon.dev>, <linux@armlinux.org.uk>,
	<richardcochran@gmail.com>, <arnd@arndb.de>,
	<linux-mtd@lists.infradead.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <netdev@vger.kernel.org>
Subject: Re: [PATCH v4 1/7] dt-bindings: mtd: jedec,spi-nor: allow the SFDP to be exposed via NVMEM
Date: Thu, 2 Jul 2026 06:13:52 +0000	[thread overview]
Message-ID: <7ed6a2c8-1a6b-41d7-a2cd-ca39073812eb@microchip.com> (raw)
In-Reply-To: <CAD++jLntmnwU3gAQfDn2nd4CQ_7HY6S_kBguVtZvVT1PktFCPw@mail.gmail.com>

On 7/1/26 4:23 PM, Linus Walleij wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Wed, Jul 1, 2026 at 10:34 AM Michael Walle <michael@walle.cc> wrote:
> 
>> If I'm correct, this is the old style, see commit bd912c991d2e
>> ("dt-bindings: nvmem: layouts: add fixed-layout"). So it should
>> eventually look like:
>>
>> sfdp {
>>       compatible = "jedec,sfdp";
> (...)
>> Also I'm not sure if we really need to add the "nvmem-cells" here.
>> IIRC in MTD it was there to tell a driver to add an nvmem device to
>> an already existing compatible/node.
>>
>> Apart from the MTD case, I've just found qcom,smem-part,yaml which
>> has compatible = "nvmem-cells".
> 
> You're right, I was using old information, discard my comments...
> Reviewed-by: Linus Walleij <linusw@kernel.org>
> 
> I think my comment in the driver to check for the compatible
> instead of the node name is still valid though.
Thank you Linus Wallejj and Michael.
I will address the driver changes in the next version.
> 
> Yours,
> Linus Walleij


-- 
Thanks and Regards,
Manikandan M.

WARNING: multiple messages have this Message-ID (diff)
From: <Manikandan.M@microchip.com>
To: <linusw@kernel.org>, <michael@walle.cc>
Cc: <pratyush@kernel.org>, <mwalle@kernel.org>,
	<takahiro.kuwano@infineon.com>, <miquel.raynal@bootlin.com>,
	<richard@nod.at>, <vigneshr@ti.com>, <robh@kernel.org>,
	<krzk+dt@kernel.org>, <conor+dt@kernel.org>, <srini@kernel.org>,
	<Nicolas.Ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
	<claudiu.beznea@tuxon.dev>, <linux@armlinux.org.uk>,
	<richardcochran@gmail.com>, <arnd@arndb.de>,
	<linux-mtd@lists.infradead.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <netdev@vger.kernel.org>
Subject: Re: [PATCH v4 1/7] dt-bindings: mtd: jedec,spi-nor: allow the SFDP to be exposed via NVMEM
Date: Thu, 2 Jul 2026 06:13:52 +0000	[thread overview]
Message-ID: <7ed6a2c8-1a6b-41d7-a2cd-ca39073812eb@microchip.com> (raw)
In-Reply-To: <CAD++jLntmnwU3gAQfDn2nd4CQ_7HY6S_kBguVtZvVT1PktFCPw@mail.gmail.com>

On 7/1/26 4:23 PM, Linus Walleij wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Wed, Jul 1, 2026 at 10:34 AM Michael Walle <michael@walle.cc> wrote:
> 
>> If I'm correct, this is the old style, see commit bd912c991d2e
>> ("dt-bindings: nvmem: layouts: add fixed-layout"). So it should
>> eventually look like:
>>
>> sfdp {
>>       compatible = "jedec,sfdp";
> (...)
>> Also I'm not sure if we really need to add the "nvmem-cells" here.
>> IIRC in MTD it was there to tell a driver to add an nvmem device to
>> an already existing compatible/node.
>>
>> Apart from the MTD case, I've just found qcom,smem-part,yaml which
>> has compatible = "nvmem-cells".
> 
> You're right, I was using old information, discard my comments...
> Reviewed-by: Linus Walleij <linusw@kernel.org>
> 
> I think my comment in the driver to check for the compatible
> instead of the node name is still valid though.
Thank you Linus Wallejj and Michael.
I will address the driver changes in the next version.
> 
> Yours,
> Linus Walleij


-- 
Thanks and Regards,
Manikandan M.
______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  reply	other threads:[~2026-07-02  6:13 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-30  9:23 [PATCH v4 0/7] Read MAC address from SST vendor specific SFDP region Manikandan Muralidharan
2026-06-30  9:23 ` Manikandan Muralidharan
2026-06-30  9:24 ` [PATCH v4 1/7] dt-bindings: mtd: jedec,spi-nor: allow the SFDP to be exposed via NVMEM Manikandan Muralidharan
2026-06-30  9:24   ` Manikandan Muralidharan
2026-06-30 22:12   ` Linus Walleij
2026-06-30 22:12     ` Linus Walleij
2026-07-01  8:34     ` Michael Walle
2026-07-01  8:34       ` Michael Walle
2026-07-01 10:53       ` Linus Walleij
2026-07-01 10:53         ` Linus Walleij
2026-07-02  6:13         ` Manikandan.M [this message]
2026-07-02  6:13           ` Manikandan.M
2026-07-02  6:16   ` Krzysztof Kozlowski
2026-07-02  6:16     ` Krzysztof Kozlowski
2026-07-02  6:55     ` Manikandan.M
2026-07-02  6:55       ` Manikandan.M
2026-07-02 16:37       ` Rob Herring
2026-07-02 16:37         ` Rob Herring
2026-07-03 10:10         ` Miquel Raynal
2026-07-03 10:10           ` Miquel Raynal
2026-07-03 13:05           ` Michael Walle
2026-07-03 13:05             ` Michael Walle
2026-06-30  9:24 ` [PATCH v4 2/7] dt-bindings: nvmem: layouts: add Microchip/SST SFDP EUI layout Manikandan Muralidharan
2026-06-30  9:24   ` Manikandan Muralidharan
2026-06-30  9:24 ` [PATCH v4 3/7] mtd: spi-nor: sfdp: expose the SFDP as a read-only NVMEM device Manikandan Muralidharan
2026-06-30  9:24   ` Manikandan Muralidharan
2026-06-30 22:25   ` Linus Walleij
2026-06-30 22:25     ` Linus Walleij
2026-07-03  5:35   ` Takahiro.Kuwano
2026-07-03  5:35     ` Takahiro.Kuwano
2026-07-03  9:21     ` Takahiro.Kuwano
2026-07-03  9:21       ` Takahiro.Kuwano
2026-06-30  9:24 ` [PATCH v4 4/7] nvmem: layouts: add Microchip/SST SFDP EUI layout driver Manikandan Muralidharan
2026-06-30  9:24   ` Manikandan Muralidharan
2026-06-30  9:24 ` [PATCH v4 5/7] ARM: dts: microchip: sama5d27_wlsom1: use fixed-partitions for QSPI flash Manikandan Muralidharan
2026-06-30  9:24   ` Manikandan Muralidharan
2026-06-30 22:27   ` Linus Walleij
2026-06-30 22:27     ` Linus Walleij
2026-06-30  9:24 ` [PATCH v4 6/7] ARM: dts: microchip: sama5d27_wlsom1: read MAC address from QSPI SFDP Manikandan Muralidharan
2026-06-30  9:24   ` Manikandan Muralidharan
2026-06-30  9:24 ` [PATCH v4 7/7] ARM: configs: sama5: enable Microchip/SST SFDP EUI NVMEM layout Manikandan Muralidharan
2026-06-30  9:24   ` Manikandan Muralidharan

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