Re: [PATCH v3 03/14] software node: Implement device_get_match_data fwnode callback

[Andy Shevchenko]

On Sat, Jan 10, 2026 at 12:26:21PM +0530, Manivannan Sadhasivam via B4 Relay wrote:

> Because the software node backend of the fwnode API framework lacks an
> implementation for the .device_get_match_data function callback.

Maybe this is done on purpose. Have you thought about this aspect?

> This makes it difficult to use(and/or test) a few drivers that originates
> from DT world on the non-DT platform.

How difficult? DSA implementation went to the way of taking DT overlay
approach. Why that one can't be applied here?

> Implement the .device_get_match_data fwnode callback, which helps to keep
> the three backends of the fwnode API aligned as much as possible. This is
> also a fundamental step to make a few drivers OF-independent truely
> possible.
> 
> Device drivers or platform setup codes are expected to provide a software
> node string property, named as "compatible". At this moment, the value of
> this string property is being used to match against the compatible entries
> in the of_device_id table. It can be extended in the future though.

I really do not want to see this patch without very good justification
(note, there were at least two attempts in the past to add this stuff
 and no-one was merged, have you studied those cases?).

-- 
With Best Regards,
Andy Shevchenko