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https://github.com/brain-hackers/u-boot-brain
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a248768400
Add a uclass for reading a random number seed from a random number generator device. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
24 lines
395 B
C
24 lines
395 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2019, Linaro Limited
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*/
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#include <common.h>
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#include <dm.h>
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#include <rng.h>
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int dm_rng_read(struct udevice *dev, void *buffer, size_t size)
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{
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const struct dm_rng_ops *ops = device_get_ops(dev);
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if (!ops->read)
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return -ENOSYS;
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return ops->read(dev, buffer, size);
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}
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UCLASS_DRIVER(rng) = {
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.name = "rng",
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.id = UCLASS_RNG,
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};
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