Re: [PATCH v3 1/8] driver core: add a faux bus for use when a simple device/bus is needed

Lyude Paul
2025-02-06T20:08:03Z

On Thu, 2025-02-06 at 19:08 +0100, Thomas Weißschuh wrote:
> > +
> > + device_initialize(dev);
> > + dev->release = faux_device_release;
> > + dev->parent = &faux_bus_root;
>
> I guess nobody will want to hang these off a different parent.

Oh - this is a good point that slipped my mind, how would we want to handle
this case? The reason I ask is since we have things like
drivers/gpu/drm/display/drm_dp_aux_dev.c which currently use the virtual
device API but iirc do actually assign the DRM device owning the aux device as
the parent.

>
> > + dev->bus = &faux_bus_type;
> > + dev->groups = groups;
> > + dev_set_name(dev, "%s", name);

--
Cheers,
Lyude Paul (she/her)
Software Engineer at Red Hat

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