284e76387c
When a hw_random device's quality is non-zero, it will automatically be used to fill the kernel's entropy pool. Since timeriomem_rng is used by many different devices, the quality needs to be provided by platform data or device tree. Signed-off-by: Rick Altherr <raltherr@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
20 lines
475 B
C
20 lines
475 B
C
/*
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* linux/include/linux/timeriomem-rng.h
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*
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* Copyright (c) 2009 Alexander Clouter <alex@digriz.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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struct timeriomem_rng_data {
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void __iomem *address;
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/* measures in usecs */
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unsigned int period;
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/* bits of entropy per 1024 bits read */
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unsigned int quality;
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};
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