Re: [PATCH v5 1/5] mtd: spi-nor: core: add manufacturer flags

Michael Walle
2024-09-23T16:19:20Z

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Hi,

> > > I would gladly remove the obsolete mx25l12805d.
> > Why? I don't see any need for that.
> Maybe because we do not want compatibility table?

I don't get this? Anyway, we do not remove support for older
flashes for no reason.

> No, reading the SFDP is great.
> Except for OTP parameters/configuration.
> As there is not way to find OTP parameters using JEDEC ID/SFDP
> So as I understand there are only 2 ways to set the OTP parameters:
> * Use a compatibility.
> * Use dynamic OTP configuration, through DT, sysfs,

* Use the in-kernel database to look up the parameters as it is done
with any other flash device. If the id is reused, look for
differences in the SFDP to figure out the correct flash device,
then add some .fixups to manually add the OTP flags and
parameters.

-michael

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