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path: root/drivers/iommu/mtk_iommu_v1.c
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Diffstat (limited to 'drivers/iommu/mtk_iommu_v1.c')
-rw-r--r--drivers/iommu/mtk_iommu_v1.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index 210b1c7c0bda..b5efd6dac953 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -427,7 +427,7 @@ static int mtk_iommu_add_device(struct device *dev)
int err;
of_for_each_phandle(&it, err, dev->of_node, "iommus",
- "#iommu-cells", 0) {
+ "#iommu-cells", -1) {
int count = of_phandle_iterator_args(&it, iommu_spec.args,
MAX_PHANDLE_ARGS);
iommu_spec.np = of_node_get(it.node);