1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (c) 2019, Linaro Limited
4  */
5 
6 #define LOG_CATEGORY UCLASS_RNG
7 
8 #include <common.h>
9 #include <dm.h>
10 #include <rng.h>
11 
dm_rng_read(struct udevice * dev,void * buffer,size_t size)12 int dm_rng_read(struct udevice *dev, void *buffer, size_t size)
13 {
14 	const struct dm_rng_ops *ops = device_get_ops(dev);
15 
16 	if (!ops->read)
17 		return -ENOSYS;
18 
19 	return ops->read(dev, buffer, size);
20 }
21 
22 UCLASS_DRIVER(rng) = {
23 	.name = "rng",
24 	.id = UCLASS_RNG,
25 };
26