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SubjectRe: linux-next: Tree for Nov 15 (thermal: THERMAL_GOV_POWER_ALLOCATOR)
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On Thu, 2019-12-05 at 04:36 +0000, Quentin Perret wrote:
> Hi all,
>
> On Thursday 05 Dec 2019 at 12:27:47 (+0800), Zhang Rui wrote:
> > 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>
> > ---
> > 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
> > --
> > 2.17.1
>
> FWIW, a similar fix has been suggested a couple weeks back:
>
>
> https://lore.kernel.org/lkml/20191113105313.41616-1-yuehaibing@huawei.com/

Right, this patch was just merged by Daniel. It seems that we need a
second PR in this merge window.

thanks,
rui
>
> Thanks,
> Quentin

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