mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
28 lines
656 B
C
28 lines
656 B
C
// 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, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
|