[PATCH] iommu: convert DT component matching to component_match_add_release()

[Russell King]

Convert DT component matching to use component_match_add_release().

Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>
---
 drivers/iommu/mtk_iommu.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index c3043d8754e3..c036df1c49ca 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -557,6 +557,11 @@ static int compare_of(struct device *dev, void *data)
 	return dev->of_node == data;
 }
 
+static void release_of(struct device *dev, void *data)
+{
+	of_node_put(data);
+}
+
 static int mtk_iommu_bind(struct device *dev)
 {
 	struct mtk_iommu_data *data = dev_get_drvdata(dev);
@@ -630,17 +635,19 @@ static int mtk_iommu_probe(struct platform_device *pdev)
 			continue;
 
 		plarbdev = of_find_device_by_node(larbnode);
-		of_node_put(larbnode);
 		if (!plarbdev) {
 			plarbdev = of_platform_device_create(
 						larbnode, NULL,
 						platform_bus_type.dev_root);
-			if (!plarbdev)
+			if (!plarbdev) {
+				of_node_put(larbnode);
 				return -EPROBE_DEFER;
+			}
 		}
 		data->smi_imu.larb_imu[i].dev = &plarbdev->dev;
 
-		component_match_add(dev, &match, compare_of, larbnode);
+		component_match_add_release(dev, &match, release_of,
+					    compare_of, larbnode);
 	}
 
 	platform_set_drvdata(pdev, data);
-- 
2.1.0