linux-kernel - Re: [PATCH v2 1/5] crypto: ccree: correct host regs offset

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Date:   Thu, 31 May 2018 14:51:22 +0300
From:   Gilad Ben-Yossef <gilad@...yossef.com>
To:     Simon Horman <horms@...ge.net.au>
Cc:     Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Ofir Drang <ofir.drang@....com>, stable@...r.kernel.org,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux kernel mailing list <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>
Subject: Re: [PATCH v2 1/5] crypto: ccree: correct host regs offset

On Tue, May 29, 2018 at 7:12 PM, Simon Horman <horms@...ge.net.au> wrote:
> On Thu, May 24, 2018 at 03:19:06PM +0100, Gilad Ben-Yossef wrote:
>> The product signature and HW revision register have different offset on the
>> older HW revisions.
>> This fixes the problem of the driver failing sanity check on silicon
>> despite working on the FPGA emulation systems.
>>
>> Fixes: 27b3b22dd98c ("crypto: ccree - add support for older HW revs")
>
> Did the above introduce a regression that is fixed by this patch
> or did it add a feature that only works with this patch?
>

Sort of in between - the first patch made more devices work but
unreliability (it will sometime work, sometime doesn't).
This one make it work reliably.

> In the case of the latter I would drop the Fixes tag,
> but I don't feel strongly about it.
>
>> Cc: stable@...r.kernel.org
>> Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>
>
> Minor not below not withstanding,
>
> Reviewed-by: Simon Horman <horms+renesas@...ge.net.au>

Thank you for the review and help :-)

Gilad

-- 
Gilad Ben-Yossef
Chief Coffee Drinker

"If you take a class in large-scale robotics, can you end up in a
situation where the homework eats your dog?"
 -- Jean-Baptiste Queru