From: Zhang Rui <rui.zhang@intel.com>
To: Inhyuk Kang <hugh.kang@lge.com>, Eduardo Valentin <edubezval@gmail.com>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] of: thermal: Fixed governor at each thermal zone
Date: Tue, 27 Sep 2016 09:46:57 +0800 [thread overview]
Message-ID: <1474940817.4284.0.camel@intel.com> (raw)
In-Reply-To: <1474247932-1026-1-git-send-email-hugh.kang@lge.com>
On 一, 2016-09-19 at 10:18 +0900, Inhyuk Kang wrote:
> It is necessary to be added governor at each thermal_zone.
> Because some governors should be operated in the during the kernel
> booting
> in order to avoid heating problem.
>
> Default governor cannot be covered all thermal zones policy because
> some thermal zones want to apply different one.
> For example, the power allocator governor operates differently with
> step wise governor.
> Hence, it is better to parse governor parameter from the device tree.
>
> Signed-off-by: Inhyuk Kang <hugh.kang@lge.com>
>
The patch looks okay to me.
Eduardo, what do you think of this patch?
thanks,
rui
> diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-
> thermal.c
> index b8e509c..382c440 100644
> --- a/drivers/thermal/of-thermal.c
> +++ b/drivers/thermal/of-thermal.c
> @@ -970,6 +970,7 @@ int __init of_parse_thermal_zones(void)
> struct thermal_zone_device *zone;
> struct thermal_zone_params *tzp;
> int i, mask = 0;
> + const char *governor;
> u32 prop;
>
> tz = thermal_of_build_thermal_zone(child);
> @@ -996,6 +997,9 @@ int __init of_parse_thermal_zones(void)
> if (!of_property_read_u32(child, "sustainable-
> power", &prop))
> tzp->sustainable_power = prop;
>
> + if (!of_property_read_string(child, "governor-name",
> &governor))
> + strcpy(tzp->governor_name, governor);
> +
> for (i = 0; i < tz->ntrips; i++)
> mask |= 1 << i;
>
next prev parent reply other threads:[~2016-09-27 1:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 1:18 [PATCH] of: thermal: Fixed governor at each thermal zone Inhyuk Kang
2016-09-27 1:46 ` Zhang Rui [this message]
2016-09-27 11:28 ` Javi Merino
2016-09-27 11:52 ` Lukasz Luba
2016-09-27 13:22 ` Eduardo Valentin
2016-09-28 1:30 ` Zhang Rui
2016-09-28 7:13 ` 강인혁/책임연구원/SW Platform(연)AOT팀(hugh.kang@lge.com)
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