Re: [PATCH v2 00/13] of: property: add port base loop

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On 30/01/2024 09:31, Sakari Ailus wrote:
Hi Morimoto-san,

On Tue, Jan 30, 2024 at 12:34:55AM +0000, Kuninori Morimoto wrote:

Hi Laurent, Sakari

Thank you for your review

The strategy sounds good to me. However, I'm wondering if you shouldn't
take one more step in the core, and implement these as fwnode
operations. Or is there a reason why OF is special, and iterating over
ports would be useful for drivers on OF systems but not on other types
of systems ?

I'd prefer that, too.

It is very easy reason, because I'm not fwnode user ;P
I'm not familiar with fwnode, but in my quick check, it seems it is easy
to expand fwnode side functions if of_graph side function exist ?

That would be one way to do that, yes, but I suggested using the existing
endpoint iterators as that would keep the firmware specific implementation
more simple. The (slight) drawback is that for each node returned, you'd
need to check its parent (i.e. port node) is the same as the port you're
interested in. The alternative may involve reworking the struct
fwnode_operations interface somewhat, including swnode, DT and ACPI
implementations.


But we still need the of_* versions, don't we, for patches 4 to 13?

 Tomi




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