summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/xen/grant-dma-ops.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/xen/grant-dma-ops.c b/drivers/xen/grant-dma-ops.c
index 7133272918f0..3e4c590896d0 100644
--- a/drivers/xen/grant-dma-ops.c
+++ b/drivers/xen/grant-dma-ops.c
@@ -365,6 +365,9 @@ void xen_grant_setup_dma_ops(struct device *dev)
if (dev->of_node) {
if (xen_dt_grant_init_backend_domid(dev, data))
goto err;
+ } else if (IS_ENABLED(CONFIG_XEN_VIRTIO_FORCE_GRANT)) {
+ dev_info(dev, "Using dom0 as backend\n");
+ data->backend_domid = 0;
} else {
/* XXX ACPI device unsupported for now */
goto err;