linux-kernel - Re: [PATCH v2 2/2] arm64: dts: rockchip: arch counter doesn't tick in system suspend

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Message-ID: <CAD=FV=XGwc8k-OctcKmdJoFK44v86qegAAFDOpN71wpciA=3Tg@mail.gmail.com>
Date:   Tue, 4 Oct 2016 15:14:49 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Brian Norris <briannorris@...omium.org>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Heiko Stuebner <heiko@...ech.de>,
        Mark Rutland <mark.rutland@....com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Marc Zyngier <marc.zyngier@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Caesar Wang <wxt@...k-chips.com>,
        Rob Herring <robh+dt@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>
Subject: Re: [PATCH v2 2/2] arm64: dts: rockchip: arch counter doesn't tick in
 system suspend

Hi,

On Tue, Oct 4, 2016 at 11:12 AM, Brian Norris <briannorris@...omium.org> wrote:
> The "arm,no-tick-in-suspend" property was introduced to note
> implementations where the system counter does not quite follow the ARM
> specification that it "must be implemented in an always-on power
> domain".
>
> Particularly, RK3399's counter stops ticking when we switch from the
> 24MHz clock to the 32KHz clock in low-power suspend, so let's mark it as
> such.
>
> Signed-off-by: Brian Norris <briannorris@...omium.org>
> ---
> v2: new in v2
>
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Douglas Anderson <dianders@...omium.org>