diff options
Diffstat (limited to 'test/dm/test-fdt.c')
| -rw-r--r-- | test/dm/test-fdt.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c index 987a265ba9..7c9c5debe6 100644 --- a/test/dm/test-fdt.c +++ b/test/dm/test-fdt.c @@ -12,6 +12,7 @@ #include <asm/io.h> #include <dm/test.h> #include <dm/root.h> +#include <dm/device-internal.h> #include <dm/uclass-internal.h> #include <dm/util.h> #include <test/ut.h> @@ -99,6 +100,36 @@ UCLASS_DRIVER(testfdt) = { .flags = DM_UC_FLAG_SEQ_ALIAS, }; +struct dm_testprobe_pdata { + int probe_err; +}; + +static int testprobe_drv_probe(struct udevice *dev) +{ + struct dm_testprobe_pdata *pdata = dev_get_platdata(dev); + + return pdata->probe_err; +} + +static const struct udevice_id testprobe_ids[] = { + { .compatible = "denx,u-boot-probe-test" }, + { } +}; + +U_BOOT_DRIVER(testprobe_drv) = { + .name = "testprobe_drv", + .of_match = testprobe_ids, + .id = UCLASS_TEST_PROBE, + .probe = testprobe_drv_probe, + .platdata_auto_alloc_size = sizeof(struct dm_testprobe_pdata), +}; + +UCLASS_DRIVER(testprobe) = { + .name = "testprobe", + .id = UCLASS_TEST_PROBE, + .flags = DM_UC_FLAG_SEQ_ALIAS, +}; + int dm_check_devices(struct unit_test_state *uts, int num_devices) { struct udevice *dev; @@ -267,3 +298,44 @@ static int dm_test_fdt_offset(struct unit_test_state *uts) } DM_TEST(dm_test_fdt_offset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE); + +/** + * Test various error conditions with uclass_first_device() and + * uclass_next_device() + */ +static int dm_test_first_next_device(struct unit_test_state *uts) +{ + struct dm_testprobe_pdata *pdata; + struct udevice *dev, *parent = NULL; + int count; + int ret; + + /* There should be 4 devices */ + for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0; + dev; + ret = uclass_next_device(&dev)) { + count++; + parent = dev_get_parent(dev); + } + ut_assertok(ret); + ut_asserteq(4, count); + + /* Remove them and try again, with an error on the second one */ + ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev)); + pdata = dev_get_platdata(dev); + pdata->probe_err = -ENOMEM; + device_remove(parent, DM_REMOVE_NORMAL); + ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev)); + ut_asserteq(-ENOMEM, uclass_next_device(&dev)); + ut_asserteq_ptr(dev, NULL); + + /* Now an error on the first one */ + ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev)); + pdata = dev_get_platdata(dev); + pdata->probe_err = -ENOENT; + device_remove(parent, DM_REMOVE_NORMAL); + ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev)); + + return 0; +} +DM_TEST(dm_test_first_next_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |