diff options
Diffstat (limited to 'test/dm/test-fdt.c')
-rw-r--r-- | test/dm/test-fdt.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c index d8e94d8..7980a68 100644 --- a/test/dm/test-fdt.c +++ b/test/dm/test-fdt.c @@ -215,3 +215,33 @@ static int dm_test_fdt_uclass_seq(struct dm_test_state *dms) return 0; } DM_TEST(dm_test_fdt_uclass_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test that we can find a device by device tree offset */ +static int dm_test_fdt_offset(struct dm_test_state *dms) +{ + const void *blob = gd->fdt_blob; + struct udevice *dev; + int node; + + node = fdt_path_offset(blob, "/e-test"); + ut_assert(node > 0); + ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node, + &dev)); + ut_asserteq_str("e-test", dev->name); + + /* This node should not be bound */ + node = fdt_path_offset(blob, "/junk"); + ut_assert(node > 0); + ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT, + node, &dev)); + + /* This is not a top level node so should not be probed */ + node = fdt_path_offset(blob, "/some-bus/c-test"); + ut_assert(node > 0); + ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT, + node, &dev)); + + return 0; +} + +DM_TEST(dm_test_fdt_offset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |