rng-uclass.c 395 B

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (c) 2019, Linaro Limited
  4. */
  5. #include <common.h>
  6. #include <dm.h>
  7. #include <rng.h>
  8. int dm_rng_read(struct udevice *dev, void *buffer, size_t size)
  9. {
  10. const struct dm_rng_ops *ops = device_get_ops(dev);
  11. if (!ops->read)
  12. return -ENOSYS;
  13. return ops->read(dev, buffer, size);
  14. }
  15. UCLASS_DRIVER(rng) = {
  16. .name = "rng",
  17. .id = UCLASS_RNG,
  18. };