dm: syscon: Allow finding devices by driver data

[platform/kernel/u-boot.git] / test / dm / syscon.c

diff --git a/test/dm/syscon.c b/test/dm/syscon.c
index 3642481..c40f5fc 100644 (file)
--- a/test/dm/syscon.c
+++ b/test/dm/syscon.c
@@ -29,3 +29,20 @@ static int dm_test_syscon_base(struct unit_test_state *uts)
        return 0;
 }
 DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test system controller finding */
+static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
+{
+       struct udevice *dev;
+
+       ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
+       ut_asserteq(SYSCON0, dev->driver_data);
+
+       ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
+       ut_asserteq(SYSCON1, dev->driver_data);
+
+       ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
+
+       return 0;
+}
+DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);