linux-kernel - Re: [PATCH] thermal/drivers/devfreq: Fix missing dependency with the energy model

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Message-ID: <657f28a7-fc75-06ae-a96c-d2ef0485e4bc@linaro.org>
Date:   Tue, 15 Dec 2020 09:41:18 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     rui.zhang@...el.com, lukasz.luba@....com
Cc:     sfr@...b.auug.org.au, linux-kernel@...r.kernel.org,
        linux-next@...r.kernel.org,
        Arnd Bergmann <arnd.bergmann@...aro.org>
Subject: Re: [PATCH] thermal/drivers/devfreq: Fix missing dependency with the
 energy model


A separate patch should add the select ENERGY_MODEL in the
multi_v7_defconfig so the devfreq cooling device continues to build by
default as before.

Arnd?

On 15/12/2020 09:35, Daniel Lezcano wrote:
> The devfreq cooling device has been converted to use the energy model.
> 
> Add the dependency on the ENERGY_MODEL option to reflect this change
> and prevent build failure if the option is not set.
> 
> Fixes: 615510fe13bd2 ("thermal: devfreq_cooling: remove old power model and use EM")
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
>  drivers/thermal/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
> index 7edc8dc6bbab..ee62d51ef351 100644
> --- a/drivers/thermal/Kconfig
> +++ b/drivers/thermal/Kconfig
> @@ -193,6 +193,7 @@ config DEVFREQ_THERMAL
>  	bool "Generic device cooling support"
>  	depends on PM_DEVFREQ
>  	depends on PM_OPP
> +	depends on ENERGY_MODEL
>  	help
>  	  This implements the generic devfreq cooling mechanism through
>  	  frequency reduction for devices using devfreq.
> 


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