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hwrng: cn10k - Add extended trng register support
The way random data is read from hardware has changed from Octeon CN10KA-B0 and later SoCs onwards. A new set of registers have been added to read random data and to verify whether the read data is valid or not. This patch extends and uses RNM_PF_TRNG_DAT and RNM_PF_TRNG_STS CSRs to read random number and status for the applicable silicon variants. Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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