[PATCH V4] nvmem: add explicit config option to read old syntax fixed OF cells

[Rafał Miłecki]

Hi,

On 4.04.2023 00:55, Rafał Miłecki wrote:
> Binding for fixed NVMEM cells defined directly as NVMEM device subnodes
> has been deprecated. It has been replaced by the "fixed-layout" NVMEM
> layout binding.
> 
> New syntax is meant to be clearer and should help avoiding imprecise
> bindings.
> 
> NVMEM subsystem already supports the new binding. It should be a good
> idea to limit support for old syntax to existing drivers that actually
> support & use it (we can't break backward compatibility!). That way we
> additionally encourage new bindings & drivers to ignore deprecated
> binding.
> 
> It wasn't clear (to me) if rtc and w1 code actually uses old syntax
> fixed cells. I enabled them to don't risk any breakage.

is there any chance I can have this accepted / pushed, please?

It's a tiny optimization and it makes sure people don't use deprecated
syntax with new drivers.

I also noticed this will probably let me drop an unclear and
non-intuitive no_of_node config option.