[RFC PATCH 3/3] ARM: dts: add MCT property use-cp15-phys-counter for exynos5422-odroidxu3

Alexey Klimov klimov.linux at gmail.com
Tue Jul 28 05:34:34 PDT 2015


Hi Krzysztof,

On Tue, Jul 28, 2015 at 8:53 AM, Krzysztof Kozlowski
<k.kozlowski at samsung.com> wrote:
> On 28.07.2015 06:28, Alexey Klimov wrote:
>> Speedup MCT operation on odroid-xu3 dev board by using
>> coprocessor 64-bit counter instead of reading same counter
>> located in mmio region.
>>
>> Tested on Odroid-xu3.
>>
>> Signed-off-by: Alexey Klimov <klimov.linux at gmail.com>
>> ---
>>  arch/arm/boot/dts/exynos5422-odroidxu3.dts | 4 ++++
>
> Please do this in Odroid XU3 common DTSI:
> arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi


>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
>> index 78e6a50..b7f6c8f 100644
>> --- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts
>> +++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
>> @@ -18,6 +18,10 @@
>>       compatible = "hardkernel,odroid-xu3", "samsung,exynos5800", "samsung,exynos5";
>>  };
>>
>> +&mct {
>> +     use-cp15-phys-counter;
>> +};
>> +
>
> Put the node in alphabetical position.
>
> Best regards,
> Krzysztof

Thanks. Will do it.

-- 
Best regards, Klimov Alexey



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