From c680e9abaade9145ef195f9b28afa1a3b975438b Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Sat, 24 Aug 2019 15:28:45 +0200 Subject: iommu: pass cell_count = -1 to of_for_each_phandle with cells_name MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Currently of_for_each_phandle ignores the cell_count parameter when a cells_name is given. I intend to change that and let the iterator fall back to a non-negative cell_count if the cells_name property is missing in the referenced node. To not change how existing of_for_each_phandle's users iterate, fix them to pass cell_count = -1 when also cells_name is given which yields the expected behaviour with and without my change. Signed-off-by: Uwe Kleine-König Acked-by: Joerg Roedel Signed-off-by: Rob Herring --- drivers/iommu/arm-smmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/iommu/arm-smmu.c') diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 64977c131ee6..81b7734654b3 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -333,7 +333,7 @@ static int __find_legacy_master_phandle(struct device *dev, void *data) int err; of_for_each_phandle(it, err, dev->of_node, "mmu-masters", - "#stream-id-cells", 0) + "#stream-id-cells", -1) if (it->node == np) { *(void **)data = dev; return 1; -- cgit v1.2.3-59-g8ed1b