On 11/23/22 16:25, Maxime Ripard wrote: > We'll need in some tests to control when the device needs to be added > and removed, so let's split the device creation from the DRM device > creation function. > > Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx> > --- [...] > -static int dev_init(struct kunit_resource *res, void *ptr) > +struct device *drm_kunit_helper_alloc_device(struct kunit *test) > { > - char *name = ptr; > - struct device *dev; > - > - dev = root_device_register(name); > - if (IS_ERR(dev)) > - return PTR_ERR(dev); > - > - res->data = dev; > - return 0; > + return root_device_register(FAKE_DEVICE_NAME); I was going to ask if a platform device could be used here, to prevent the issue you mentioned the other day of root_device not having a bus set. But I see now that you are doing that change in the next patch. Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> -- Best regards, Javier Martinez Canillas Core Platforms Red Hat