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- // SPDX-License-Identifier: GPL-2.0-or-later
- /*
- * Copyright (c) 2019, Linaro Limited
- */
- #include <common.h>
- #include <dm.h>
- #include <log.h>
- #include <rng.h>
- #include <dm/test.h>
- #include <test/ut.h>
- /* Basic test of the rng uclass */
- static int dm_test_rng_read(struct unit_test_state *uts)
- {
- unsigned long rand1 = 0, rand2 = 0;
- struct udevice *dev;
- ut_assertok(uclass_get_device(UCLASS_RNG, 0, &dev));
- ut_assertnonnull(dev);
- ut_assertok(dm_rng_read(dev, &rand1, sizeof(rand1)));
- ut_assertok(dm_rng_read(dev, &rand2, sizeof(rand2)));
- ut_assert(rand1 != rand2);
- return 0;
- }
- DM_TEST(dm_test_rng_read, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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