linux-kernel - Re: [PATCH v2] arm64: defconfig: enable common modules for power management

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Message-ID: <20160901050348.GA26204@leoy-linaro>
Date:   Thu, 1 Sep 2016 13:03:48 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Simon Horman <horms+renesas@...ge.net.au>,
        Thierry Reding <treding@...dia.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Riku Voipio <riku.voipio@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Guodong Xu <guodong.xu@...aro.org>
Subject: Re: [PATCH v2] arm64: defconfig: enable common modules for power
 management

Hi Catalin, Will,

On Thu, Sep 01, 2016 at 12:51:09PM +0800, Leo Yan wrote:
> Enable common modules for power management; one is to enable
> CPUFREQ_DT driver; the driver is used by many platforms by passing OPP
> table from device tree.
> 
> Also enables thermal related drivers. Firstly we need enable
> configuration CPU_THERMAL for CPU cooling device driver, this will bind
> thermal zone with CPU cooling device; and enable 'power allocator'
> thermal governor.

This patch is an updated version for [1] with enabling "power
allocator". Sorry for regression.

[1] http://archive.arm.linux.org.uk/lurker/message/20160831.085017.a42c57fe.en.html

Thanks,
Leo Yan

> 
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> ---
>  arch/arm64/configs/defconfig | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index eadf485..c4f5948 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -82,6 +82,7 @@ CONFIG_COMPAT=y
>  CONFIG_CPU_IDLE=y
>  CONFIG_ARM_CPUIDLE=y
>  CONFIG_CPU_FREQ=y
> +CONFIG_CPUFREQ_DT=y
>  CONFIG_ARM_BIG_LITTLE_CPUFREQ=y
>  CONFIG_ARM_SCPI_CPUFREQ=y
>  CONFIG_NET=y
> @@ -252,6 +253,8 @@ CONFIG_SENSORS_INA2XX=m
>  CONFIG_SENSORS_ARM_SCPI=y
>  CONFIG_THERMAL=y
>  CONFIG_THERMAL_EMULATION=y
> +CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y
> +CONFIG_CPU_THERMAL=y
>  CONFIG_EXYNOS_THERMAL=y
>  CONFIG_WATCHDOG=y
>  CONFIG_RENESAS_WDT=y
> -- 
> 1.9.1
>