linux-kernel - Re: [PATCH v4 2/5] firmware: smccc: Introduce SMCCC TRNG framework

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Date:   Fri, 11 Dec 2020 17:31:14 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Andre Przywara <andre.przywara@....com>
Cc:     Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Marc Zyngier <maz@...nel.org>, Theodore Ts'o <tytso@....edu>,
        Mark Rutland <mark.rutland@....com>,
        Mark Brown <broonie@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/5] firmware: smccc: Introduce SMCCC TRNG framework

On Fri, Dec 11, 2020 at 04:00:02PM +0000, Andre Przywara wrote:
> The ARM DEN0098 document describe an SMCCC based firmware service to
> deliver hardware generated random numbers. Its existence is advertised
> according to the SMCCC v1.1 specification.
> 
> Add a (dummy) call to probe functions implemented in each architecture
> (ARM and arm64), to determine the existence of this interface.
> For now this return false, but this will be overwritten by each
> architecture's support patch.
> 
> Signed-off-by: Andre Przywara <andre.przywara@....com>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Reviewed-by: Sudeep Holla <sudeep.holla@....com>

-- 
Regards,
Sudeep