linux-kernel - RE: [PATCH 1/8] Thermal: Create sensor level APIs

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Date:	Fri, 8 Feb 2013 08:26:53 +0000
From:	"R, Durgadoss" <durgadoss.r@...el.com>
To:	"Zhang, Rui" <rui.zhang@...el.com>
CC:	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"eduardo.valentin@...com" <eduardo.valentin@...com>,
	"hongbo.zhang@...aro.org" <hongbo.zhang@...aro.org>,
	"wni@...dia.com" <wni@...dia.com>
Subject: RE: [PATCH 1/8] Thermal: Create sensor level APIs

Hi Rui,

> -----Original Message-----
> From: Zhang, Rui
> Sent: Friday, February 08, 2013 1:24 PM
> To: R, Durgadoss
> Cc: linux-pm@...r.kernel.org; linux-kernel@...r.kernel.org;
> eduardo.valentin@...com; hongbo.zhang@...aro.org; wni@...dia.com
> Subject: Re: [PATCH 1/8] Thermal: Create sensor level APIs
> 
> On Tue, 2013-02-05 at 16:16 +0530, Durgadoss R wrote:
> > This patch creates sensor level APIs, in the
> > generic thermal framework.

[snip.]

> > +
> >  static ssize_t
> >  type_show(struct device *dev, struct device_attribute *attr, char *buf)
> >  {
> > @@ -707,6 +807,10 @@ static DEVICE_ATTR(mode, 0644, mode_show,
> mode_store);
> >  static DEVICE_ATTR(passive, S_IRUGO | S_IWUSR, passive_show,
> passive_store);
> >  static DEVICE_ATTR(policy, S_IRUGO | S_IWUSR, policy_show,
> policy_store);
> >
> > +/* Thermal sensor attributes */
> > +static DEVICE_ATTR(sensor_name, 0444, sensor_name_show, NULL);
> > +static DEVICE_ATTR(temp_input, 0444, sensor_temp_show, NULL);
> > +
> >  /* sys I/F for cooling device */
> >  #define to_cooling_device(_dev)	\
> >  	container_of(_dev, struct thermal_cooling_device, device)
> > @@ -1493,6 +1597,182 @@ static void remove_trip_attrs(struct
> thermal_zone_device *tz)
> >  }
> >
> >  /**
> > + * enable_sensor_thresholds - create sysfs nodes for thresholdX
> 
> this is a little confusing.
> I'd prefer
> thermal_sensor_sysfs_add() and create sensor_name and temp_input
> attribute in this function as well, and thermal_sensor_sysfs_remove()
> to remove the sysfs I/F.
> And further more, we can do this for thermal zones and cooling devices.

I agree, and we will change this.
Since this involves change for all standard APIs, I think it is better to submit
a separate patch to do this. What do you think ?

> 
> others look okay to me.

Thank you :-)

> 
> thanks,
> rui