From: Timur Tabi <timur@kernel.org>
Subject: Re: [PATCH v3 3/6] crypto: Add Qcom prng driver
Date: Wed, 4 Jul 2018 08:42:53 -0500
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 <20180703060434.19293-4-vkoul@kernel.org>
 <2990655.vKmMgW600W@tauon.chronox.de> <20180704041059.GT22377@vkoul-mobl>
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Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Matt Mackall <mpm@selenic.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-arm-msm@vger.kernel.org, Stephen Boyd <swboyd@chromium.org>,
        Timur Tabi <timur@codeaurora.org>
To: Vinod <vkoul@kernel.org>, Stephan Mueller <smueller@chronox.de>
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On 7/4/18 1:10 AM, Vinod wrote:
> Okay so I rechecked this, the hardware gives 32 bits of random data. I
> am thinking of splitting the word and updating by each byte. That way
> trailing zero can also be avoided which is the case now

The current driver only returns data in multiples of 4 bytes.  Why can't 
you keep that?