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9048beca9c
during entropy evaluation, if the generated samples fail any statistical test, then, all of the bits will be discarded, and a second set of samples will be generated and tested. the entropy delay interval should be doubled before performing the retry. also, ctrlpriv->rng4_sh_init and inst_handles both reads RNG DRNG status register, but only inst_handles is updated before every retry. so only check inst_handles and removing ctrlpriv->rng4_sh_init Signed-off-by: Gaurav Jain <gaurav.jain@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>