linux-kernel - Re: [PATCHv5 10/20] arm: dts: add omap4430 thermal data

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Date:	Thu, 21 Nov 2013 11:36:13 -0400
From:	Eduardo Valentin <eduardo.valentin@...com>
To:	Pavel Machek <pavel@....cz>
CC:	Eduardo Valentin <eduardo.valentin@...com>,
	<swarren@...dotorg.org>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ian.campbell@...rix.com>,
	<rob.herring@...xeda.com>, <linux@...ck-us.net>,
	<rui.zhang@...el.com>, <wni@...dia.com>, <grant.likely@...aro.org>,
	<durgadoss.r@...el.com>, <linux-pm@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <lm-sensors@...sensors.org>,
	<linux-kernel@...r.kernel.org>,
	Benoît Cousson <bcousson@...libre.com>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	<linux-omap@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCHv5 10/20] arm: dts: add omap4430 thermal data

On 20-11-2013 08:32, Pavel Machek wrote:
> HI!
> 
>> This patch changes the dtsi entry on omap4430 to contain
>> the thermal data. This data will enable the passive
>> cooling with CPUfreq cooling device at 100C and the
>> system will do a thermal shutdown at 125C.
>>
>> Cc: "Benoît Cousson" <bcousson@...libre.com>
>> Cc: Tony Lindgren <tony@...mide.com>
>> Cc: Russell King <linux@....linux.org.uk>
>> Cc: linux-omap@...r.kernel.org
>> Cc: devicetree-discuss@...ts.ozlabs.org
>> Cc: linux-arm-kernel@...ts.infradead.org
>> Cc: linux-kernel@...r.kernel.org
>> Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
>> ---
>>  arch/arm/boot/dts/omap443x.dtsi | 10 ++++++++--
>>  1 file changed, 8 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi
>> index bcf455e..e9c97d6 100644
>> --- a/arch/arm/boot/dts/omap443x.dtsi
>> +++ b/arch/arm/boot/dts/omap443x.dtsi
>> @@ -12,7 +12,7 @@
>>  
>>  / {
>>  	cpus {
>> -		cpu@0 {
>> +		cpu0: cpu@0 {
>>  			/* OMAP443x variants OPP50-OPPNT */
>>  			operating-points = <
>>  				/* kHz    uV */
> 
> I see you also add labels to various other entries...

I think I didn't quite get your point here. Can you please elaborate?

This label has been added because it will be used in thermal zone while
referencing the cooling device.

> 
>> @@ -25,9 +25,15 @@
>>  		};
>>  	};
>>  
>> -	bandgap {
>> +	thermal-zones{
> 
> You may want to include space here.

OK.

> 
>> +		#include "omap4-cpu-thermal.dtsi"
>> +	};
>> +
>> +	bandgap: bandgap {
>>  		reg = <0x4a002260 0x4
>>  		       0x4a00232C 0x4>;
>>  		compatible = "ti,omap4430-bandgap";
>> +
>> +		#thermal-sensor-cells = <0>;
>>  	};
>>  };
> 


-- 
You have got to be excited about what you are doing. (L. Lamport)

Eduardo Valentin


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