linux-kernel - Re: [PATCH 07/10] ARM: dts: Add thermal zone and cpufreq node for exynos3250-artik5 module

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Message-id: <56E66492.4070003@samsung.com>
Date:	Mon, 14 Mar 2016 16:13:22 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>, kgene@...nel.org,
	s.nawrocki@...sung.com, tomasz.figa@...il.com
Cc:	jh80.chung@...sung.com, andi.shyti@...sung.com,
	inki.dae@...sung.com, sw0312.kim@...sung.com,
	pankaj.dubey@...sung.com, linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH 07/10] ARM: dts: Add thermal zone and cpufreq node for
 exynos3250-artik5 module

On 2016년 03월 14일 16:06, Krzysztof Kozlowski wrote:
> On 14.03.2016 11:04, Chanwoo Choi wrote:
>> This patch enables the CPU frequency scaling for exynos3250-artik5 module
>> and adds the thernal zones with cpu cooling device to prevent the overheat
>> temperature.
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>> ---
>>  arch/arm/boot/dts/exynos3250-artik5.dtsi | 23 +++++++++++++++++++++++
>>  1 file changed, 23 insertions(+)
> 
> The patch looks good but just squash it with 5/10 unless there is some
> benefit by splitting the features for many patches. The benefit would be
> for example submitting the work partially, in steps, following principle
> release-early-release-often... but this is not the case. You have
> everything ready and tested.

OK. I'll merge this patch with 5/10 patch.

Best Regards,
Chanwoo Choi

> 
> BR,
> Krzysztof
> 
>>
>> diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> index 75b291c10cdc..877e4827df83 100644
>> --- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> +++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> @@ -31,6 +31,25 @@
>>  		compatible = "samsung,secure-firmware";
>>  		reg = <0x0205F000 0x1000>;
>>  	};
>> +
>> +	thermal-zones {
>> +		cpu_thermal: cpu-thermal {
>> +			cooling-maps {
>> +				map0 {
>> +					/* Corresponds to 500MHz */
>> +					cooling-device = <&cpu0 5 5>;
>> +				};
>> +				map1 {
>> +					/* Corresponds to 200MHz */
>> +					cooling-device = <&cpu0 8 8>;
>> +				};
>> +			};
>> +		};
>> +	};
>> +};
>> +
>> +&cpu0 {
>> +	cpu0-supply = <&buck2_reg>;
>>  };
>>  
>>  &i2c_0 {
>> @@ -296,6 +315,10 @@
>>  	status = "okay";
>>  };
>>  
>> +&tmu {
>> +	status = "okay";
>> +};
>> +
>>  &xusbxti {
>>  	clock-frequency = <24000000>;
>>  };
>>
> 
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