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Date:   Thu, 5 Sep 2019 14:54:00 +1000
From:   Herbert Xu <herbert@gondor.apana.org.au>
To:     Daniel Mack <daniel@zonque.org>
Cc:     mpm@selenic.com, gregkh@linuxfoundation.org,
        linux-crypto@vger.kernel.org
Subject: Re: [PATCH] hw_random: timeriomem_rng: relax check on memory
 resource size
Message-ID: <20190905045400.GB32038@gondor.apana.org.au>
References: <20190831115555.11708-1-daniel@zonque.org>
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On Sat, Aug 31, 2019 at 01:55:55PM +0200, Daniel Mack wrote:
> The timeriomem_rng driver only accesses the first 4 bytes of the given
> memory area and currently, it also forces that memory resource to be
> exactly 4 bytes in size.
> 
> This, however, is problematic when used with device-trees that are
> generated from things like FPGA toolchains, where the minimum size
> of an exposed memory block may be something like 4k.
> 
> Hence, let's only check for what's needed for the driver to operate
> properly; namely that we have enough memory available to read the
> random data from.
> 
> Signed-off-by: Daniel Mack <daniel@zonque.org>
> ---
>  Documentation/devicetree/bindings/rng/timeriomem_rng.txt | 2 +-
>  drivers/char/hw_random/timeriomem-rng.c                  | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)

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