diff options
| -rw-r--r-- | test/dm/Makefile | 1 | ||||
| -rw-r--r-- | test/dm/rng.c | 26 |
2 files changed, 27 insertions, 0 deletions
diff --git a/test/dm/Makefile b/test/dm/Makefile index a268783169..201e2b093c 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -68,4 +68,5 @@ obj-$(CONFIG_VIRTIO_SANDBOX) += virtio.o obj-$(CONFIG_DMA) += dma.o obj-$(CONFIG_DM_MDIO) += mdio.o obj-$(CONFIG_DM_MDIO_MUX) += mdio_mux.o +obj-$(CONFIG_DM_RNG) += rng.o endif diff --git a/test/dm/rng.c b/test/dm/rng.c new file mode 100644 index 0000000000..ce20e2d7c2 --- /dev/null +++ b/test/dm/rng.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2019, Linaro Limited + */ + +#include <common.h> +#include <dm.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); |