Received-SPF: pass (google.com: best guess record for domain of linux-crypto-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Fri, 25 Oct 2019 23:18:28 +0800
From:   Herbert Xu <herbert@gondor.apana.org.au>
To:     Sumit Garg <sumit.garg@linaro.org>
Cc:     linux-crypto@vger.kernel.org, dsaxena@plexity.net, mpm@selenic.com,
        romain.perier@free-electrons.com, arnd@arndb.de,
        gregkh@linuxfoundation.org, daniel.thompson@linaro.org,
        ralph.siemsen@linaro.org, milan.stevanovic@se.com,
        ryan.harkin@linaro.org, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org
Subject: Re: [PATCH] hwrng: omap - Fix RNG wait loop timeout
Message-ID: <20191025151828.l4gdnuw3ud5gkfw2@gondor.apana.org.au>
References: <1571054565-6991-1-git-send-email-sumit.garg@linaro.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1571054565-6991-1-git-send-email-sumit.garg@linaro.org>
User-Agent: NeoMutt/20170113 (1.7.2)
Sender: linux-crypto-owner@vger.kernel.org
Precedence: bulk

On Mon, Oct 14, 2019 at 05:32:45PM +0530, Sumit Garg wrote:
> Existing RNG data read timeout is 200us but it doesn't cover EIP76 RNG
> data rate which takes approx. 700us to produce 16 bytes of output data
> as per testing results. So configure the timeout as 1000us to also take
> account of lack of udelay()'s reliability.
> 
> Fixes: 383212425c92 ("hwrng: omap - Add device variant for SafeXcel IP-76 found in Armada 8K")
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
> ---
>  drivers/char/hw_random/omap-rng.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt