Re: [PATCH v5 3/7] mtd: spi-nor: sfdp: expose the SFDP as a read-only NVMEM device

"Michael Walle" <[email protected]> Tue, 21 Jul 2026 13:12:52 +0200

Newsgroups	gmane.linux.kernel,gmane.linux.drivers.mtd,gmane.linux.drivers.devicetree,gmane.linux.ports.arm.kernel,gmane.linux.network
Message-ID	<[email protected]>

Hi,

On Tue Jul 21, 2026 at 12:17 PM CEST, Manikandan.M wrote:
>> Or rather NVEMEM_DEVID_NONE? There will ever be just one SFDP nvmem
>> device.
>> 
>> How does the sysfs path looks like?
> Currently the sysfs looks like:
>
> /sys/bus/nvmem/devices/sfdp0
>
> I kept AUTO so that the bare "sfdp" name would clash on a board(if any) 
> with a second flash exposing a "jedec,sfdp" node.

Ah ok. I thought it would have something with spi0,0 in it's path.
So yeah, there could of course be multiple flashes with SFDP.

-michael

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