public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Leo Yan <leo.yan@linaro.org>
Cc: rui.zhang@intel.com, edubezval@gmail.com,
	jean.wangtao@linaro.org, Keerthy <j-keerthy@ti.com>,
	"open list:THERMAL" <linux-pm@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH V2] thermal/drivers/hisi: Switch to interrupt mode
Date: Thu, 28 Sep 2017 09:32:20 +0200	[thread overview]
Message-ID: <20170928073220.GF2196@mai> (raw)
In-Reply-To: <20170928065752.GA31697@leoy-linaro>

On Thu, Sep 28, 2017 at 02:57:52PM +0800, Leo Yan wrote:
> Hi Daniel,
> 
> On Thu, Sep 28, 2017 at 07:13:44AM +0200, Daniel Lezcano wrote:
> > At this moment, we have both the interrupt setup and the polling enabled. The
> > interrupt does nothing more than forcing an update while the temperature is
> > polled every second.
> > 
> > We can do much better than that, threshold is set to 65C in the DT and the
> > passive cooling device enters in the dance when 75C is reached. We need to
> > sample the temperature at 65C in order to let the IPA gather enough values for
> > the PID computation. If the SoC is running at a temperature below 65C, we will
> > be constantly polling for nothing.
> > 
> > This patch disables the sensor when the temperature is below 65C and enables it
> > when passing the threshold. It results the thermal sensor driver will have no
> > activity most of the time.
> > 
> > Cc: Keerthy <j-keerthy@ti.com>
> > Cc: Leo Yang <leo.yan@linaro.org>
> 
> s/Yang/Yan :) Have tested this patch on Hikey at my side:

Oops sorry :)

> Reviewed-by: Leo Yan <leo.yan@linaro.org>
> Tested-by: Leo Yan <leo.yan@linaro.org>


Great! Thanks for testing.

  -- Daniel

  reply	other threads:[~2017-09-28  7:32 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-26 23:54 [PATCH] thermal/drivers/hisi: Switch to interrupt mode Daniel Lezcano
2017-09-27  8:26 ` Keerthy
2017-09-27 15:56   ` Daniel Lezcano
2017-09-28  5:13   ` [PATCH V2] " Daniel Lezcano
2017-09-28  6:57     ` Leo Yan
2017-09-28  7:32       ` Daniel Lezcano [this message]
2017-12-05  2:00         ` Eduardo Valentin
2017-12-05  6:49           ` Daniel Lezcano

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170928073220.GF2196@mai \
    --to=daniel.lezcano@linaro.org \
    --cc=edubezval@gmail.com \
    --cc=j-keerthy@ti.com \
    --cc=jean.wangtao@linaro.org \
    --cc=leo.yan@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=rui.zhang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox