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path: root/drivers/iommu/rockchip-iommu.c
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Diffstat (limited to 'drivers/iommu/rockchip-iommu.c')
-rw-r--r--drivers/iommu/rockchip-iommu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 6a8b1ec4a48a..9f74fddcd304 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1015,8 +1015,15 @@ static struct platform_driver rk_iommu_driver = {
static int __init rk_iommu_init(void)
{
+ struct device_node *np;
int ret;
+ np = of_find_matching_node(NULL, rk_iommu_dt_ids);
+ if (!np)
+ return 0;
+
+ of_node_put(np);
+
ret = bus_set_iommu(&platform_bus_type, &rk_iommu_ops);
if (ret)
return ret;