virtio_ccw: support non-legacy balloon devices

As of last patch, virtio_device_is_legacy_only is always false,
drop the test from virtio ccw.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (slight reword)

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c
index 71d7802aa8b4..6f1fa1773e76 100644
--- a/drivers/s390/kvm/virtio_ccw.c
+++ b/drivers/s390/kvm/virtio_ccw.c
@@ -1201,13 +1201,9 @@ static int virtio_ccw_online(struct ccw_device *cdev)
         vcdev->vdev.id.vendor = cdev->id.cu_type;
         vcdev->vdev.id.device = cdev->id.cu_model;
 
-        if (virtio_device_is_legacy_only(vcdev->vdev.id)) {
-                vcdev->revision = 0;
-        } else {
-                ret = virtio_ccw_set_transport_rev(vcdev);
-                if (ret)
-                        goto out_free;
-        }
+        ret = virtio_ccw_set_transport_rev(vcdev);
+        if (ret)
+                goto out_free;
 
         ret = register_virtio_device(&vcdev->vdev);
         if (ret) {