RE: Thermal: Add a thermal notifier for user space

From: R, Durgadoss
Date: Thu Dec 13 2012 - 09:34:27 EST


> -----Original Message-----
> From: Zhang, Rui
> Sent: Thursday, December 13, 2012 5:53 AM
> To: Dave Jones
> Cc: Linux Kernel Mailing List; R, Durgadoss
> Subject: Re: Thermal: Add a thermal notifier for user space
>
> On Wed, 2012-12-12 at 13:28 -0500, Dave Jones wrote:
> > On Wed, Dec 12, 2012 at 06:05:47PM +0000, Linux Kernel wrote:
> > > Gitweb:
> http://git.kernel.org/linus/;a=commit;h=1cc807a234cb988d69ba18f6a3a1c68
> d71e54bed
> > > Commit: 1cc807a234cb988d69ba18f6a3a1c68d71e54bed
> > > Parent: e151a202a084f9f4310d1aa4398325c56ca95fda
> > > Author: Durgadoss R <durgadoss.r@xxxxxxxxx>
> > > AuthorDate: Tue Sep 18 11:05:03 2012 +0530
> > > Committer: Zhang Rui <rui.zhang@xxxxxxxxx>
> > > CommitDate: Mon Nov 5 14:00:08 2012 +0800
> > >
> > > Thermal: Add a thermal notifier for user space
> > >
> > > This patch registers a governor which will let the
> > > user land manage the platform thermals. Whenever a
> > > trip happens, this governor just notifies the user
> > > space using kobj_uevent().
> > >
> > > Signed-off-by: Durgadoss R <durgadoss.r@xxxxxxxxx>
> > > Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
> >
> >
> > > +config USER_SPACE
> > > + bool "User_space thermal governor"
> > > + depends on THERMAL
> > > + help
> > > + Enable this to let the user space manage the platform thermals.
> >
> > This is terribly generic sounding. Might I suggest THERMAL_USER_SPACE
> instead ?
> >
> Hi, Dave,

Agree with you Dave. Could have chosen a better name :-)

Thanks Rui for the Quick fix.

>
> You're right. How about the patch attached?
>
> thanks,
> rui
>
> From 595a531b3fbfd21d3d84a16fb8df93fdc0fe47e5 Mon Sep 17 00:00:00
> 2001
> From: Zhang Rui <rui.zhang@xxxxxxxxx>
> Date: Thu, 13 Dec 2012 08:05:12 +0800
> Subject: [PATCH] Thermal: Rename thermal governor Kconfig options
>
> Rename thermal governor Kconfig options,
> CONFIG_STEP_WISE, CONFIG_FAIR_SHARE, CONFIG_USER_SPACE
> to
> CONFIG_THERMAL_GOVERNOR_STEP_WISE,
> CONFIG_THERMAL_GOVERNOR_FAIR_SHARE,
> CONFIG_THERMAL_GOVERNOR_USER_SPACE,
> to avoid confusions brought by the previous generic naming.
>

Acked-by: Durgadoss R <durgadoss.r@xxxxxxxxx>

Thanks,
Durga

> Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
> ---
> drivers/thermal/Kconfig | 12 ++++++------
> drivers/thermal/Makefile | 6 +++---
> 2 files changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
> index 8636fae..13fed80 100644
> --- a/drivers/thermal/Kconfig
> +++ b/drivers/thermal/Kconfig
> @@ -29,14 +29,14 @@ choice
>
> config THERMAL_DEFAULT_GOV_STEP_WISE
> bool "step_wise"
> - select STEP_WISE
> + select THERMAL_GOVERNOR_STEP_WISE
> help
> Use the step_wise governor as default. This throttles the
> devices one step at a time.
>
> config THERMAL_DEFAULT_GOV_FAIR_SHARE
> bool "fair_share"
> - select FAIR_SHARE
> + select THERMAL_GOVERNOR_FAIR_SHARE
> help
> Use the fair_share governor as default. This throttles the
> devices based on their 'contribution' to a zone. The
> @@ -44,24 +44,24 @@ config THERMAL_DEFAULT_GOV_FAIR_SHARE
>
> config THERMAL_DEFAULT_GOV_USER_SPACE
> bool "user_space"
> - select USER_SPACE
> + select THERMAL_GOVERNOR_USER_SPACE
> help
> Select this if you want to let the user space manage the
> lpatform thermals.
>
> endchoice
>
> -config FAIR_SHARE
> +config THERMAL_GOVERNOR_FAIR_SHARE
> bool "Fair-share thermal governor"
> help
> Enable this to manage platform thermals using fair-share governor.
>
> -config STEP_WISE
> +config THERMAL_GOVERNOR_STEP_WISE
> bool "Step_wise thermal governor"
> help
> Enable this to manage platform thermals using a simple linear
>
> -config USER_SPACE
> +config THERMAL_GOVERNOR_USER_SPACE
> bool "User_space thermal governor"
> help
> Enable this to let the user space manage the platform thermals.
> diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
> index d8da683..4f5103d 100644
> --- a/drivers/thermal/Makefile
> +++ b/drivers/thermal/Makefile
> @@ -5,9 +5,9 @@
> obj-$(CONFIG_THERMAL) += thermal_sys.o
>
> # governors
> -obj-$(CONFIG_FAIR_SHARE) += fair_share.o
> -obj-$(CONFIG_STEP_WISE) += step_wise.o
> -obj-$(CONFIG_USER_SPACE) += user_space.o
> +obj-$(CONFIG_THERMAL_GOVERNOR_FAIR_SHARE) += fair_share.o
> +obj-$(CONFIG_THERMAL_GOVERNOR_STEP_WISE) += step_wise.o
> +obj-$(CONFIG_THERMAL_GOVERNOR_USER_SPACE) += user_space.o
>
> # cpufreq cooling
> obj-$(CONFIG_CPU_THERMAL) += cpu_cooling.o
> --
> 1.7.9.5
>
>
>

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