The device managed resources are ran if the device has bus, which is not the case of a root_device.
Let's use a platform_device instead.
Reviewed-by: Javier Martinez Canillas javierm@redhat.com Signed-off-by: Maxime Ripard maxime@cerno.tech --- drivers/gpu/drm/tests/drm_kunit_helpers.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/tests/drm_kunit_helpers.c b/drivers/gpu/drm/tests/drm_kunit_helpers.c index 9fb045fa685f..15678ab823b0 100644 --- a/drivers/gpu/drm/tests/drm_kunit_helpers.c +++ b/drivers/gpu/drm/tests/drm_kunit_helpers.c @@ -7,6 +7,7 @@ #include <kunit/resource.h>
#include <linux/device.h> +#include <linux/platform_device.h>
#define KUNIT_DEVICE_NAME "drm-kunit-mock-device"
@@ -32,7 +33,16 @@ static const struct drm_mode_config_funcs drm_mode_config_funcs = { */ struct device *drm_kunit_helper_alloc_device(struct kunit *test) { - return root_device_register(KUNIT_DEVICE_NAME); + struct platform_device *pdev; + int ret; + + pdev = platform_device_alloc(KUNIT_DEVICE_NAME, PLATFORM_DEVID_NONE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev); + + ret = platform_device_add(pdev); + KUNIT_ASSERT_EQ(test, ret, 0); + + return &pdev->dev; } EXPORT_SYMBOL(drm_kunit_helper_alloc_device);
@@ -45,7 +55,9 @@ EXPORT_SYMBOL(drm_kunit_helper_alloc_device); */ void drm_kunit_helper_free_device(struct kunit *test, struct device *dev) { - root_device_unregister(dev); + struct platform_device *pdev = to_platform_device(dev); + + platform_device_unregister(pdev); } EXPORT_SYMBOL(drm_kunit_helper_free_device);