+
+/* Test iteration through devices by drvdata */
+static int dm_test_uclass_drvdata(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+
+ ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
+ DM_TEST_TYPE_FIRST, &dev));
+ ut_asserteq_str("a-test", dev->name);
+
+ ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
+ DM_TEST_TYPE_SECOND, &dev));
+ ut_asserteq_str("d-test", dev->name);
+
+ ut_asserteq(-ENODEV, uclass_first_device_drvdata(UCLASS_TEST_FDT,
+ DM_TEST_TYPE_COUNT,
+ &dev));
+
+ return 0;
+}
+DM_TEST(dm_test_uclass_drvdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);