linux-kernel - Re: [PATCH V4 03/30] thermal: exynos: Remove CPU

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Date:	Fri, 31 May 2013 11:13:10 -0400
From:	Eduardo Valentin <eduardo.valentin@...com>
To:	Amit Daniel Kachhap <amit.daniel@...sung.com>
CC:	<linux-pm@...r.kernel.org>, Zhang Rui <rui.zhang@...el.com>,
	<linux-samsung-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <amit.kachhap@...il.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Eduardo Valentin <eduardo.valentin@...com>
Subject: Re: [PATCH V4 03/30] thermal: exynos: Remove CPU_THERMAL dependency
 for using TMU driver

On 14-05-2013 05:58, Amit Daniel Kachhap wrote:
> This patch removes the dependency on CPU_THERMAL for compiling TMU driver.
> This is useful for cases when only TMU controller needs to be initialised
> without cpu cooling action.


Agreed with your intention. I just do not know if it makes sense to make
this change at this point. Maybe after you have split the code?

The above concern is simply from a non-functional perspective. If you do
this at this point of your series, your driver may have compilation
issues at this specific commit, in case your config does not have
CONFIG_CPU_THERMAL.

I recommend you moving this patch further in your series, to a place
where you have isolated the code that depends on CPU_THERMAL.

> 
> Acked-by: Kukjin Kim <kgene.kim@...sung.com>
> Signed-off-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
> ---
>  drivers/thermal/samsung/Kconfig |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/thermal/samsung/Kconfig b/drivers/thermal/samsung/Kconfig
> index 145a55d..b5ab971 100644
> --- a/drivers/thermal/samsung/Kconfig
> +++ b/drivers/thermal/samsung/Kconfig
> @@ -4,7 +4,6 @@ config ARCH_HAS_TMU
>  config EXYNOS_THERMAL
>  	tristate "Temperature sensor on Samsung EXYNOS"
>  	depends on ARCH_HAS_TMU
> -	depends on CPU_THERMAL
>  	help
>  	  If you say yes here you get support for TMU (Thermal Management
>  	  Unit) on SAMSUNG EXYNOS series of SoC. This helps in registering
> 


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

Eduardo Valentin


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