diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/dm/bus.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/dm/bus.c b/test/dm/bus.c index cfb993440c..08a4725648 100644 --- a/test/dm/bus.c +++ b/test/dm/bus.c @@ -61,3 +61,49 @@ static int dm_test_bus_children(struct dm_test_state *dms) return 0; } DM_TEST(dm_test_bus_children, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test our functions for accessing children */ +static int dm_test_bus_children_funcs(struct dm_test_state *dms) +{ + const void *blob = gd->fdt_blob; + struct udevice *bus, *dev; + int node; + + ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); + + /* device_get_child() */ + ut_assertok(device_get_child(bus, 0, &dev)); + ut_asserteq(-ENODEV, device_get_child(bus, 4, &dev)); + ut_assertok(device_get_child_by_seq(bus, 5, &dev)); + ut_assert(dev->flags & DM_FLAG_ACTIVATED); + ut_asserteq_str("c-test@5", dev->name); + + /* Device with sequence number 0 should be accessible */ + ut_asserteq(-ENODEV, device_find_child_by_seq(bus, -1, true, &dev)); + ut_assertok(device_find_child_by_seq(bus, 0, true, &dev)); + ut_assert(!(dev->flags & DM_FLAG_ACTIVATED)); + ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 0, false, &dev)); + ut_assertok(device_get_child_by_seq(bus, 0, &dev)); + ut_assert(dev->flags & DM_FLAG_ACTIVATED); + + /* There is no device with sequence number 2 */ + ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, false, &dev)); + ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, true, &dev)); + ut_asserteq(-ENODEV, device_get_child_by_seq(bus, 2, &dev)); + + /* Looking for something that is not a child */ + node = fdt_path_offset(blob, "/junk"); + ut_asserteq(-ENODEV, device_find_child_by_of_offset(bus, node, &dev)); + node = fdt_path_offset(blob, "/d-test"); + ut_asserteq(-ENODEV, device_find_child_by_of_offset(bus, node, &dev)); + + /* Find a valid child */ + node = fdt_path_offset(blob, "/some-bus/c-test@1"); + ut_assertok(device_find_child_by_of_offset(bus, node, &dev)); + ut_assert(!(dev->flags & DM_FLAG_ACTIVATED)); + ut_assertok(device_get_child_by_of_offset(bus, node, &dev)); + ut_assert(dev->flags & DM_FLAG_ACTIVATED); + + return 0; +} +DM_TEST(dm_test_bus_children_funcs, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |