3 files changed, 10 insertions, 6 deletions
diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c
index 985b6e713621..2c4791abbc3d 100644
--- a/samples/vfio-mdev/mbochs.c
+++ b/samples/vfio-mdev/mbochs.c
@@ -128,6 +128,7 @@ static dev_t		mbochs_devt;
 static struct class	*mbochs_class;
 static struct cdev	mbochs_cdev;
 static struct device	mbochs_dev;
+static struct mdev_parent mbochs_parent;
 static atomic_t mbochs_avail_mbytes;
 static const struct vfio_device_ops mbochs_dev_ops;
 
@@ -1475,7 +1476,7 @@ static int __init mbochs_dev_init(void)
 	if (ret)
 		goto err_class;
 
-	ret = mdev_register_device(&mbochs_dev, &mbochs_driver);
+	ret = mdev_register_parent(&mbochs_parent, &mbochs_dev, &mbochs_driver);
 	if (ret)
 		goto err_device;
 
@@ -1496,7 +1497,7 @@ err_cdev:
 static void __exit mbochs_dev_exit(void)
 {
 	mbochs_dev.bus = NULL;
-	mdev_unregister_device(&mbochs_dev);
+	mdev_unregister_parent(&mbochs_parent);
 
 	device_unregister(&mbochs_dev);
 	mdev_unregister_driver(&mbochs_driver);
diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c
index 1daab012b5d8..01f345430b97 100644
--- a/samples/vfio-mdev/mdpy.c
+++ b/samples/vfio-mdev/mdpy.c
@@ -83,6 +83,7 @@ static dev_t		mdpy_devt;
 static struct class	*mdpy_class;
 static struct cdev	mdpy_cdev;
 static struct device	mdpy_dev;
+static struct mdev_parent mdpy_parent;
 static u32		mdpy_count;
 static const struct vfio_device_ops mdpy_dev_ops;
 
@@ -778,7 +779,7 @@ static int __init mdpy_dev_init(void)
 	if (ret)
 		goto err_class;
 
-	ret = mdev_register_device(&mdpy_dev, &mdpy_driver);
+	ret = mdev_register_parent(&mdpy_parent, &mdpy_dev, &mdpy_driver);
 	if (ret)
 		goto err_device;
 
@@ -799,7 +800,7 @@ err_cdev:
 static void __exit mdpy_dev_exit(void)
 {
 	mdpy_dev.bus = NULL;
-	mdev_unregister_device(&mdpy_dev);
+	mdev_unregister_parent(&mdpy_parent);
 
 	device_unregister(&mdpy_dev);
 	mdev_unregister_driver(&mdpy_driver);
diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
index 86843ce3d9a2..e80baac51381 100644
--- a/samples/vfio-mdev/mtty.c
+++ b/samples/vfio-mdev/mtty.c
@@ -72,6 +72,7 @@ static struct mtty_dev {
 	struct cdev	vd_cdev;
 	struct idr	vd_idr;
 	struct device	dev;
+	struct mdev_parent parent;
 } mtty_dev;
 
 struct mdev_region_info {
@@ -1361,7 +1362,8 @@ static int __init mtty_dev_init(void)
 	if (ret)
 		goto err_class;
 
-	ret = mdev_register_device(&mtty_dev.dev, &mtty_driver);
+	ret = mdev_register_parent(&mtty_dev.parent, &mtty_dev.dev,
+				   &mtty_driver);
 	if (ret)
 		goto err_device;
 	return 0;
@@ -1381,7 +1383,7 @@ err_cdev:
 static void __exit mtty_dev_exit(void)
 {
 	mtty_dev.dev.bus = NULL;
-	mdev_unregister_device(&mtty_dev.dev);
+	mdev_unregister_parent(&mtty_dev.parent);
 
 	device_unregister(&mtty_dev.dev);
 	idr_destroy(&mtty_dev.vd_idr);