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Date:   Sat, 16 Sep 2017 15:17:34 -0700
From:   Jonathan Cameron <jic23@...nel.org>
To:     Quentin Schulz <quentin.schulz@...e-electrons.com>
Cc:     Icenowy Zheng <icenowy@...c.io>, Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v4 6/6] ARM: sun8i: h3: add partial CPU thermal zone

On Sat, 16 Sep 2017 12:05:49 +0200
Quentin Schulz <quentin.schulz@...e-electrons.com> wrote:

> Hi Icenowy,
> 
> On 14/09/2017 16:52, Icenowy Zheng wrote:
> > Because of the restriction of the OF thermal framework, the thermal
> > sensor will fail to probe if the thermal zone doesn't exist.
> >   
> 
> Oh no, that's not good.
> 
> We discussed about it on IRC and I even proposed a patch for it, telling
> you I would post it on the mailing list soon after. Of course, I forgot
> and you definitely should have yelled at me for not doing it :)
> 
> I won't be able to test the patch soon. I can send it to you so that you
> can test it and integrate it in your patch series so it won't block you.
> Otherwise, we'll have to wait for a week or two for me to test it.
> 
> Thanks and sorry for forgetting to post the patch you need,
> Quentin

Other this outstanding issue I'm happy with the series, so hopefully
with Quentin's patch added we should be good to merge this one.

Jonathan

> 
> > Add a partial thermal zone which claims the H3 THS as the thermal sensor.
> > 
> > The cooling device (CPU DVFS) is still not added as it's not ready, and
> > the trip points are also not added yet.
> > 
> > Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> > ---
> >  arch/arm/boot/dts/sun8i-h3.dtsi | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
> > index 3220da3ad790..687c6457d214 100644
> > --- a/arch/arm/boot/dts/sun8i-h3.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
> > @@ -89,6 +89,15 @@
> >  		};
> >  	};
> >  
> > +	thermal-zones {
> > +		cpu-thermal {
> > +			/* milliseconds */
> > +			polling-delay-passive = <250>;
> > +			polling-delay = <1000>;
> > +			thermal-sensors = <&ths>;
> > +		};
> > +	};
> > +
> >  	timer {
> >  		compatible = "arm,armv7-timer";
> >  		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
> >   
> 

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