diff options
Diffstat (limited to 'test/dm')
-rw-r--r-- | test/dm/test-fdt.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c index b70e3fa18ac..0fbd9be765a 100644 --- a/test/dm/test-fdt.c +++ b/test/dm/test-fdt.c @@ -631,3 +631,30 @@ static int dm_test_fdt_phandle(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_fdt_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test device_find_first_child_by_uclass() */ +static int dm_test_first_child(struct unit_test_state *uts) +{ + struct udevice *i2c, *dev, *dev2; + + ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c)); + ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev)); + ut_asserteq_str("rtc@43", dev->name); + ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2)); + ut_asserteq_ptr(dev, dev2); + ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2)); + ut_asserteq_str("rtc@61", dev2->name); + + ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM, + &dev)); + ut_asserteq_str("eeprom@2c", dev->name); + ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2)); + ut_asserteq_ptr(dev, dev2); + + ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c, + UCLASS_VIDEO, &dev)); + ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev)); + + return 0; +} +DM_TEST(dm_test_first_child, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |