// 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); |