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Message-ID: <9056a7b3be9161c1ae266ac0266bdb0ab386de66.camel@intel.com>
Subject: Re: [PATCH 5/6] thermal: core: introduce tz_disabled() helper
 function
From:   Zhang Rui <rui.zhang@intel.com>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc:     linux-pm@vger.kernel.org, linux-wireless@vger.kernel.org,
        daniel.lezcano@linaro.org, andrzej.p@collabora.com, luca@coelho.fi
Date:   Tue, 12 May 2020 09:59:57 +0800
In-Reply-To: <4aa6fd7d-9e0c-614a-88e9-0e2637a114d4@samsung.com>
References: <20200430063229.6182-1-rui.zhang@intel.com>
         <CGME20200430062922eucas1p288a6f222286b4293b32272a3da1166ab@eucas1p2.samsung.com>
         <20200430063229.6182-6-rui.zhang@intel.com>
         <4aa6fd7d-9e0c-614a-88e9-0e2637a114d4@samsung.com>
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On Mon, 2020-05-04 at 09:09 +0200, Bartlomiej Zolnierkiewicz wrote:
> On 4/30/20 8:32 AM, Zhang Rui wrote:
> > Rename should_stop_polling() to tz_disabled(), and make it global.
> > Because there are platform thermal drivers which also need this.
> > 
> > Signed-off-by: Zhang Rui <rui.zhang@intel.com>
> > ---
> >  drivers/thermal/thermal_core.c | 17 ++++++++---------
> >  include/linux/thermal.h        |  2 ++
> >  2 files changed, 10 insertions(+), 9 deletions(-)
> > 
> > diff --git a/drivers/thermal/thermal_core.c
> > b/drivers/thermal/thermal_core.c
> > index 5f7a867..1cd5d5d0 100644
> > --- a/drivers/thermal/thermal_core.c
> > +++ b/drivers/thermal/thermal_core.c
> > @@ -305,16 +305,9 @@ static void
> > thermal_zone_device_set_polling(struct thermal_zone_device *tz,
> >  		cancel_delayed_work(&tz->poll_queue);
> >  }
> >  
> > -static inline bool should_stop_polling(struct thermal_zone_device
> > *tz)
> > -{
> > -	return thermal_zone_device_get_mode(tz) ==
> > THERMAL_DEVICE_DISABLED;
> > -}
> > -
> >  static void monitor_thermal_zone(struct thermal_zone_device *tz)
> >  {
> > -	bool stop;
> > -
> > -	stop = should_stop_polling(tz);
> > +	bool stop = tz_disabled(tz);
> >  
> >  	mutex_lock(&tz->lock);
> >  
> > @@ -502,12 +495,18 @@ int thermal_zone_device_set_mode(struct
> > thermal_zone_device *tz,
> >  }
> >  EXPORT_SYMBOL_GPL(thermal_zone_device_set_mode);
> >  
> > +bool tz_disabled(struct thermal_zone_device *tz)
> > +{
> > +	return thermal_zone_device_get_mode(tz) ==
> > THERMAL_DEVICE_DISABLED;
> > +}
> > +EXPORT_SYMBOL(tz_disabled);
> 
> Is there actual reason to not make it _GPL?
> 
> [ all other thermal core functionality seems to be _GPL anyway ]

Thanks for catching this, will fix in next version.
> 
> Otherwise the patch looks fine:
> 
> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

thanks for the review.

-Rui
> 
> Best regards,
> --
> Bartlomiej Zolnierkiewicz
> Samsung R&D Institute Poland
> Samsung Electronics
> 
> > +
> >  void thermal_zone_device_update(struct thermal_zone_device *tz,
> >  				enum thermal_notify_event event)
> >  {
> >  	int count;
> >  
> > -	if (should_stop_polling(tz))
> > +	if (tz_disabled(tz))
> >  		goto update_polling;
> >  
> >  	if (atomic_read(&in_suspend))
> > diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> > index a87fbaf..0bc62ee 100644
> > --- a/include/linux/thermal.h
> > +++ b/include/linux/thermal.h
> > @@ -479,4 +479,6 @@ static inline int
> > thermal_zone_device_disable(struct thermal_zone_device *tz)
> >  	return thermal_zone_device_set_mode(tz,
> > THERMAL_DEVICE_DISABLED);
> >  }
> >  
> > +bool tz_disabled(struct thermal_zone_device *tz);
> > +
> >  #endif /* __THERMAL_H__ */
> > 
> 
>