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Date:   Mon, 18 Sep 2017 17:12:48 +0100
From:   Mark Rutland <>
To:     Daniel Thompson <>
Cc:     Liviu Dudau <>,
        Sudeep Holla <>,
        Lorenzo Pieralisi <>,
        Rob Herring <>,
        Catalin Marinas <>,
        Will Deacon <>,,,,
Subject: Re: [PATCH] arm64: dts: foundation-v8: Enable PSCI mode

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 <>

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 <>


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