Thanks Michael for the work.

On 29/08/2022 09:22, Michael Walle wrote:

quoted

One thing I believe you need to handle is replacing "cell_post_process"
callback with your layout thing.

I find it confusing to have
1. cell_post_process() CB at NVMEM device level
2. post_process() CB at NVMEM cell level

What is wrong with having a callback at both levels?

we should converge this tbh, its more than one code paths to deal with 
similar usecases.

I have put down some thoughts in "[PATCH v1 06/14] nvmem: core: 
introduce NVMEM layouts" and "[PATCH v1 07/14] nvmem: core: add per-cell 
post processing" review.


--srini

Granted, in this particular case (it is just used at one place), I still
think that it is the wrong approach to add this transformation in the
driver (in this particular case). The driver is supposed to give you
access to the SoC's fuse box, but it will magically change the content
of a cell if the nvmem consumer named this cell "mac-address" (which
you also found confusing the last time and I do too!).

The driver itself doesn't add any cells on its own, so I cannot register
a .post_process hook there. Therefore, you'd need that post_process hook
on every cell, which is equivalent to have a post_process hook at
device level.

Unless you have a better idea. I'll leave that up to NXP to fix that (or
leave it like that).

-michael