virtio_mmio: support non-legacy balloon devices

virtio_device_is_legacy_only is always false now,
drop the test from virtio mmio.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 0 insertions, 8 deletions

diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index 6010d7ec0a0f..7a5e60dea6c5 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -581,14 +581,6 @@ static int virtio_mmio_probe(struct platform_device *pdev)
         }
         vm_dev->vdev.id.vendor = readl(vm_dev->base + VIRTIO_MMIO_VENDOR_ID);
 
-        /* Reject legacy-only IDs for version 2 devices */
-        if (vm_dev->version == 2 &&
-                        virtio_device_is_legacy_only(vm_dev->vdev.id)) {
-                dev_err(&pdev->dev, "Version 2 not supported for devices %u!\n",
-                                vm_dev->vdev.id.device);
-                return -ENODEV;
-        }
-
         if (vm_dev->version == 1)
                 writel(PAGE_SIZE, vm_dev->base + VIRTIO_MMIO_GUEST_PAGE_SIZE);