[PATCH 3/5] drivers: thermal: make usage of CONFIG_THERMAL_HWMON optional

Zhang Rui rui.zhang at intel.com
Tue Aug 27 20:13:56 EDT 2013


On 二, 2013-08-27 at 23:17 +0200, Rafael J. Wysocki wrote:
> On Tuesday, August 27, 2013 02:26:41 PM Eduardo Valentin wrote:
> > On 23-08-2013 19:08, Rafael J. Wysocki wrote:
> > > On Friday, August 23, 2013 06:03:14 PM Eduardo Valentin wrote:
> > >> When registering a new thermal_device, the thermal framework
> > >> will always add a hwmon sysfs interface.
> > >>
> > >> This patch adds a flag to make this behavior optional. Now
> > >> when registering a new thermal device, the caller needs
> > >> to say if the hwmon interface is required.
> > >>
> > >> In order to keep same behavior as of today, all current
> > >> calls will by default create the hwmon interface.
> > > 
> > > Well, instead of modifying all of the callers this way, why don't
> > > you add new versions taking the additional argument as, for example,
> > > 
> > > thermal_zone_device_register_full()
> > > 
> > > and redefine the old ones as static inline wrappers, for example
> > > 
> > > static inline struct thermal_zone_device *thermal_zone_device_register(args)
> > > {
> > > 	return thermal_zone_device_register_full(args, true);
> > > }
> > > 
> > > ?
> > 
> > Yeah, that is another way to go and I thought of doing it like that. I
> > just could not come out with a good API naming:
> > 
> > thermal_zone_device_register_full(all args)
> > 
> > thermal_zone_device_register(args) /* on hwmon == true */
> > thermal_zone_device_register_no_hwmon(args) /* on hwmon == false */
> > 
> > Would this sound reasonable naming?
> 
> Yeah, sounds good to me.
> 
Well, actually, Tianyu is working on a patch set to move all the
thermal_zone_device_register() parameters to struct thermal_zone_params.

But with that patch set done, what you need to do next is just to
introduce a new field in struct thermal_zone_params and make sure 0
means registering hwmon sysfs I/F.

thanks,
rui

> Thanks,
> Rafael
> 





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