1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 844838e11ef1..41a4a138f53b 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -978,6 +978,9 @@ static int selftest_probe(struct platform_device *pdev)
         }
 
         dev_dbg(dev, "%s for node @%s\n", __func__, np->full_name);
+
+        of_platform_populate(np, NULL, NULL, &pdev->dev);
+
         return 0;
 }
 
@@ -1385,6 +1388,39 @@ static void of_selftest_overlay_8(void)
         selftest(1, "overlay test %d passed\n", 8);
 }
 
+/* test insertion of a bus with parent devices */
+static void of_selftest_overlay_10(void)
+{
+        int ret;
+        char *child_path;
+
+        /* device should disable */
+        ret = of_selftest_apply_overlay_check(10, 10, 0, 1);
+        if (selftest(ret == 0, "overlay test %d failed; overlay application\n", 10))
+                return;
+
+        child_path = kasprintf(GFP_KERNEL, "%s/test-selftest101",
+                        selftest_path(10));
+        if (selftest(child_path, "overlay test %d failed; kasprintf\n", 10))
+                return;
+
+        ret = of_path_platform_device_exists(child_path);
+        kfree(child_path);
+        if (selftest(ret, "overlay test %d failed; no child device\n", 10))
+                return;
+}
+
+/* test insertion of a bus with parent devices (and revert) */
+static void of_selftest_overlay_11(void)
+{
+        int ret;
+
+        /* device should disable */
+        ret = of_selftest_apply_revert_overlay_check(11, 11, 0, 1);
+        if (selftest(ret == 0, "overlay test %d failed; overlay application\n", 11))
+                return;
+}
+
 static void __init of_selftest_overlay(void)
 {
         struct device_node *bus_np = NULL;
@@ -1433,6 +1469,9 @@ static void __init of_selftest_overlay(void)
         of_selftest_overlay_6();
         of_selftest_overlay_8();
 
+        of_selftest_overlay_10();
+        of_selftest_overlay_11();
+
 out:
         of_node_put(bus_np);
 }