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test: dm: virtio: Test virtio device driver probing

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Once the virtio-rng driver has been bound, probe it to trigger the pre
and post child probe hooks of the virtio uclass driver. Check the status
of the virtio device to confirm it reached the expected state.

Signed-off-by: Andrew Scull <ascull@google.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Andrew Scull 2022-05-16 10:41:38 +00:00 committed by Tom Rini
parent acd3b27a65
commit 420b3e51f4
1 changed files with 9 additions and 0 deletions
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9
test/dm/virtio_device.c
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@ -34,6 +34,15 @@ static int dm_test_virtio_base(struct unit_test_state *uts)
ut_assertok(virtio_get_status(dev, &status));
ut_asserteq(VIRTIO_CONFIG_S_ACKNOWLEDGE, status);
/* probe the virtio-rng driver */
ut_assertok(device_probe(dev));
/* check the device was reset and the driver picked up the device */
ut_assertok(virtio_get_status(dev, &status));
ut_asserteq(VIRTIO_CONFIG_S_DRIVER |
VIRTIO_CONFIG_S_DRIVER_OK |
VIRTIO_CONFIG_S_FEATURES_OK, status);
return 0;
}
DM_TEST(dm_test_virtio_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);