Re: [lm-sensors] [PATCH 12/13] thermal: convert tegra_thermal to use devm_thermal_zone_of_sensor_reg

Eduardo Valentin <[email protected]> Mon, 14 Mar 2016 21:16:08 +0000

Newsgroups	org.kernel.vger.lm-sensors,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm,org.kernel.vger.linux-tegra
Message-ID	<[email protected]>

On Thu, Mar 10, 2016 at 04:46:55PM +0800, Wei Ni wrote:
> 
> 
> On 2016年03月10日 05:35, Eduardo Valentin wrote:
> > This changes the driver to use the devm_ version
> > of thermal_zone_of_sensor_register and cleans
> > up the  local points and unregister calls.
> > 
> > Cc: Zhang Rui <[email protected]>
> > Cc: Stephen Warren <[email protected]>
> > Cc: Thierry Reding <[email protected]>
> > Cc: Alexandre Courbot <[email protected]>
> > Cc: [email protected]
> > Cc: [email protected]
> > Cc: [email protected]
> > Signed-off-by: Eduardo Valentin <[email protected]>
> > ---
> >  drivers/thermal/tegra_soctherm.c | 31 +++++++++----------------------
> >  1 file changed, 9 insertions(+), 22 deletions(-)
> > 
> > diff --git a/drivers/thermal/tegra_soctherm.c b/drivers/thermal/tegra_soctherm.c
> > index 74ea576..0018ccd 100644
> > --- a/drivers/thermal/tegra_soctherm.c
> > +++ b/drivers/thermal/tegra_soctherm.c
> > @@ -168,7 +168,7 @@ struct tegra_soctherm {
> >  	struct clk *clock_soctherm;
> >  	void __iomem *regs;
> >  
> > -	struct thermal_zone_device *thermctl_tzs[4];
> > +#define ZONE_NUMBER		4
> >  };
> >  
> >  struct tsensor_shared_calibration {
> > @@ -342,7 +342,7 @@ static const struct thermctl_zone_desc t124_thermctl_temp_zones[] = {
> >  static int tegra_soctherm_probe(struct platform_device *pdev)
> >  {
> >  	struct tegra_soctherm *tegra;
> > -	struct thermal_zone_device *tz;
> > +	struct thermal_zone_device *z;
> >  	struct tsensor_shared_calibration shared_calib;
> >  	struct resource *res;
> >  	unsigned int i;
> > @@ -408,36 +408,29 @@ static int tegra_soctherm_probe(struct platform_device *pdev)
> >  
> >  	/* Initialize thermctl sensors */
> >  
> > -	for (i = 0; i < ARRAY_SIZE(tegra->thermctl_tzs); ++i) {
> > +	for (i = 0; i < ZONE_NUMBER; ++i) {
> >  		struct tegra_thermctl_zone *zone =
> >  			devm_kzalloc(&pdev->dev, sizeof(*zone), GFP_KERNEL);
> >  		if (!zone) {
> >  			err = -ENOMEM;
> > -			goto unregister_tzs;
> > +			goto disable_clocks;
> >  		}
> >  
> >  		zone->reg = tegra->regs + t124_thermctl_temp_zones[i].offset;
> >  		zone->shift = t124_thermctl_temp_zones[i].shift;
> >  
> > -		tz = thermal_zone_of_sensor_register(&pdev->dev, i, zone,
> > -						     &tegra_of_thermal_ops);
> > -		if (IS_ERR(tz)) {
> > -			err = PTR_ERR(tz);
> > +		z = devm_thermal_zone_of_sensor_register(&pdev->dev, i, zone,
> 
> I prefer to still use "tz", it seems this line isn't over 80 characters, or we
> can add newline.


Yeah,


> 
> > +							 &tegra_of_thermal_ops);

CHECK: Alignment should match open parenthesis
#423: FILE: drivers/thermal/tegra_soctherm.c:423:
+		tz = devm_thermal_zone_of_sensor_register(&pdev->dev, i, zone,
+							 &tegra_of_thermal_ops);

and if you align it, then, you get the warning:
WARNING: line over 80 characters
#423: FILE: drivers/thermal/tegra_soctherm.c:423:
+							  &tegra_of_thermal_ops);

And I did not want to add either of the above to the driver. 

But if you prefer tz over z, we can keep the first (check) then.

What do you prefer?

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