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Date:   Tue, 19 Apr 2022 23:38:10 +0300
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Subject: Re: [PATCH v4] crypto: caam - fix i.MX6SX entropy delay value
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To:     Fabio Estevam <festevam@gmail.com>,
        "herbert@gondor.apana.org.au" <herbert@gondor.apana.org.au>
Cc:     Gaurav Jain <gaurav.jain@nxp.com>, Varun Sethi <V.Sethi@nxp.com>,
        "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
        Fabio Estevam <festevam@denx.de>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>
References: <20220419114444.586113-1-festevam@gmail.com>
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On 4/19/2022 2:45 PM, Fabio Estevam wrote:
> From: Fabio Estevam <festevam@denx.de>
> 
> Since commit 358ba762d9f1 ("crypto: caam - enable prediction resistance
> in HRWNG") the following CAAM errors can be seen on i.MX6SX:
> 
> caam_jr 2101000.jr: 20003c5b: CCB: desc idx 60: RNG: Hardware error
> hwrng: no data available
> 
> This error is due to an incorrect entropy delay for i.MX6SX.
> 
> Fix it by increasing the minimum entropy delay for i.MX6SX
> as done in U-Boot:
> https://patchwork.ozlabs.org/project/uboot/patch/20220415111049.2565744-1-gaurav.jain@nxp.com/
> 
> Cc: <stable@vger.kernel.org>
> Fixes: 358ba762d9f1 ("crypto: caam - enable prediction resistance in HRWNG") 
> Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>

Thanks,
Horia