Merge branch 'master' of git://git.denx.de/u-boot-samsung

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

diff --git a/test/dm/blk.c b/test/dm/blk.c
index 5c5eb82..923e8d9 100644 (file)
--- a/test/dm/blk.c
+++ b/test/dm/blk.c
@@ -150,3 +150,21 @@ static int dm_test_blk_devnum(struct unit_test_state *uts)
        return 0;
 }
 DM_TEST(dm_test_blk_devnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we can get a block from its parent */
+static int dm_test_blk_get_from_parent(struct unit_test_state *uts)
+{
+       struct udevice *dev, *blk;
+
+       ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
+       ut_assertok(blk_get_from_parent(dev, &blk));
+
+       ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
+       ut_asserteq(-ENOTBLK, blk_get_from_parent(dev, &blk));
+
+       ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev));
+       ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
+
+       return 0;
+}
+DM_TEST(dm_test_blk_get_from_parent, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);