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Currently check_rng_health() returns zero unconditionally.
Make it to output an error code and return it.
Fixes: 38e9791a0209 ("hwrng: cn10k - Add random number generator support")
Signed-off-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This function assumes that sizeof(void) is 1 and arithmetic works for
void pointers. This is a GNU C extention and may not work with other
compilers. Change this by using an u8 pointer.
Also move cn10k_read_trng() out of a loop thus saving some cycles.
Fixes: 38e9791a0209 ("hwrng: cn10k - Add random number generator support")
Signed-off-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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CN10K series of silicons support true random number
generators. This patch adds support for the same. Also
supports entropy health status checking.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
Signed-off-by: Joseph Longever <jlongever@marvell.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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