Date: Mon, 18 Sep 2017 17:12:48 +0100
From: Mark Rutland <mark.rutland@arm.com>
To: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Liviu Dudau <liviu.dudau@arm.com>, Sudeep Holla <sudeep.holla@arm.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Rob Herring <robh+dt@kernel.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>,
        linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, patches@linaro.org
Subject: Re: [PATCH] arm64: dts: foundation-v8: Enable PSCI mode
Message-ID: <20170918161248.GB5106@leverpostej>
References: <20170918153832.16356-1-daniel.thompson@linaro.org>
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Hi Daniel,

On Mon, Sep 18, 2017 at 04:38:32PM +0100, Daniel Thompson wrote:
> Currently if the Foundation model is running ARM Trusted Firmware then
> the kernel, which is configured to use spin tables, cannot start secondary
> processors or "power off" the simulation.
> 
> Add a couple of labels to the include file, and introduce a new .dts
> file that uses these to override the enable-method.
> 
> Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>

This looks good, but has the unfortunate effect of leaving the
(irrelevant) cpu-release-addr property in the PSCI dts files, as that's
in the underlying dtsi file.

Could we split spin-table / PSCI parts into separate dtsi files?

e.g. have:

* foundation-v8.dtsi
* foundation-v8-gicv{2,3}.dtsi
* foundation-v8-{psci,spin-table}.dtsi

... and then combine those to build the dts files we want.

FWIW, with that:

Acked-by: Mark Rutland <mark.rutland@arm.com>

Thanks,
Mark.