Re: Re: [PATCH] media:v4l2-async:debugfs for registered subdevices

[Sakari Ailus]

Hi Luo,

On Fri, Mar 13, 2026 at 07:21:42PM +0800, luo.liu.linux wrote:
> 
> Hi Sakari，
> 
>     Thank you very much for your reply.
> 
>      When building a pipeline in the camera subsystem via Media Entities
>  
> (e.g., Sensor -> DPHY -> MIPI-CSI2 -> ISP), it is crucial to verify that the registration
> 
>  and unregistration processes for each sub-device (subdev) driver within the pipeline 
> 
> are functioning correctly.

You don't need a debugfs interface for that, do you? We have a large number
of things that can go wrong that are much more complicated than this (and
there's no debugfs interface to verify those either, no, largely because it
wouldn't be meaningful).

-- 
Regards,

Sakari Ailus