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@@ -150,3 +150,21 @@ static int dm_test_blk_devnum(struct unit_test_state *uts)
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return 0;
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}
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DM_TEST(dm_test_blk_devnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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+
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+/* Test that we can get a block from its parent */
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+static int dm_test_blk_get_from_parent(struct unit_test_state *uts)
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+{
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+ struct udevice *dev, *blk;
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+
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+ ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
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+ ut_assertok(blk_get_from_parent(dev, &blk));
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+
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+ ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
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+ ut_asserteq(-ENOTBLK, blk_get_from_parent(dev, &blk));
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+
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+ ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev));
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+ ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
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+
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+ return 0;
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+}
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+DM_TEST(dm_test_blk_get_from_parent, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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