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SubjectRe: linux-next: Tree for Nov 15 (thermal: THERMAL_GOV_POWER_ALLOCATOR)
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On 12/4/19 8:27 PM, Zhang Rui wrote:
> On Wed, 2019-12-04 at 08:25 -0800, Randy Dunlap wrote:
>> On 11/15/19 3:44 PM, Randy Dunlap wrote:
>>> On 11/15/19 12:05 AM, Stephen Rothwell wrote:
>>>> Hi all,
>>>>
>>>> Changes since 20191114:
>>>>
>>>
>>> on i386:
>>>
>>> WARNING: unmet direct dependencies detected for
>>> THERMAL_GOV_POWER_ALLOCATOR
>>> Depends on [n]: THERMAL [=y] && ENERGY_MODEL [=n]
>>> Selected by [y]:
>>> - THERMAL_DEFAULT_GOV_POWER_ALLOCATOR [=y] && <choice>
>>>
>>>
>>> THERMAL_GOV_POWER_ALLOCATOR is selected by
>>> THERMAL_DEFAULT_GOV_POWER_ALLOCATOR
>>> even though ENERGY_MODEL is not set/enabled.
>>>
>>>
>>
>> This Kconfig warning is still happening in linux-next of 20191204.
>>
> I overlooked the original report probably because I was not CCed.
>
> This is introduced by commit a4e893e802e6("thermal: cpu_cooling:
> Migrate to using the EM framework") which adds the dependency of
> ENERGY_MODEL for THERMAL_GOV_POWER_ALLOCATOR.
>
> To fix this, it's better to make THERMAL_DEFAULT_GOV_POWER_ALLOCATOR
> depends on THERMAL_GOV_POWER_ALLOCATOR instead.
>
> Please confirm the problem is fixed by below patch.
>
> thanks,
> rui
>
> From c9429f6e28ea2219686a4294d39f015ba373774b Mon Sep 17 00:00:00 2001
> From: Zhang Rui <rui.zhang@intel.com>
> Date: Thu, 5 Dec 2019 12:17:07 +0800
> Subject: [PATCH] thermal: fix a Kconfig warning
>
> Currently, THERMAL_GOV_POWER_ALLOCATOR is selected by
> THERMAL_DEFAULT_GOV_POWER_ALLOCATOR even if it has some unmet
> dependencies.
>
> This causes the Kconfig warning
> WARNING: unmet direct dependencies detected for
> THERMAL_GOV_POWER_ALLOCATOR
> Depends on [n]: THERMAL [=y] && ENERGY_MODEL [=n]
> Selected by [y]:
> - THERMAL_DEFAULT_GOV_POWER_ALLOCATOR [=y] && <choice>
>
> Fix the problem by making THERMAL_DEFAULT_GOV_POWER_ALLOCATOR depends on
> THERMAL_GOV_POWER_ALLOCATOR instead.
>
> Fixes: a4e893e802e6("thermal: cpu_cooling: Migrate to using the EM framework")
> Signed-off-by: Zhang Rui <rui.zhang@intel.com>

Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested

Thanks.

> ---
> drivers/thermal/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
> index 59b79fc48266..79b27865c6f4 100644
> --- a/drivers/thermal/Kconfig
> +++ b/drivers/thermal/Kconfig
> @@ -108,7 +108,7 @@ config THERMAL_DEFAULT_GOV_USER_SPACE
>
> config THERMAL_DEFAULT_GOV_POWER_ALLOCATOR
> bool "power_allocator"
> - select THERMAL_GOV_POWER_ALLOCATOR
> + depends on THERMAL_GOV_POWER_ALLOCATOR
> help
> Select this if you want to control temperature based on
> system and device power allocation. This governor can only
>


--
~Randy

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