linux-kernel - Re: [PATCH v4 2/8] thermal: Provide stub for thermal_cdev

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Date:	Tue, 24 Feb 2015 15:21:11 -0400
From:	Eduardo Valentin <edubezval@...il.com>
To:	Lukasz Majewski <l.majewski@...sung.com>
Cc:	Kamil Debski <k.debski@...sung.com>,
	Jean Delvare <jdelvare@...e.de>,
	Guenter Roeck <linux@...ck-us.net>,
	Kukjin Kim <kgene@...nel.org>, lm-sensors@...sensors.org,
	Linux PM list <linux-pm@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>, devicetree@...r.kernel.org,
	Lukasz Majewski <l.majewski@...ess.pl>,
	Kukjin Kim <kgene.kim@...sung.com>,
	linux-kernel@...r.kernel.org,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Abhilash Kesavan <kesavan.abhilash@...il.com>,
	Abhilash Kesavan <a.kesavan@...sung.com>
Subject: Re: [PATCH v4 2/8] thermal: Provide stub for thermal_cdev_update()
 function

On Wed, Feb 18, 2015 at 11:07:30AM +0100, Lukasz Majewski wrote:
> Odroid U3 fan can work without being registered as OF cooling device
> (with CONFIG_THERMAL{_OF|} disabled).
> In this situation it can be controlled via PWM entry at
> /sys/class/hwmon/hwmon0/pwm1.
> 
> Therefore, the thermal_cdev_update() function needs a stub
> to allow clean compilation.

I've just applied a patch on this same matter from Nishanth Menon [1].
Can you please check if his patch is enough for you?

[1] -
https://git.kernel.org/cgit/linux/kernel/git/evalenti/linux-soc-thermal.git/commit/?h=fixes&id=12ca7188468ee29c4e717f73db4bf43c90954fc7

> 
> Signed-off-by: Lukasz Majewski <l.majewski@...sung.com>
> ---
> Changes for v2:
> - New patch
> Changes for v3:
> - thermal_cdev_update() now depends on CONFIG_THERMAL flag
> Changes for v4:
> - None
> ---
>  include/linux/thermal.h | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index eacf2de..25382e6 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -298,6 +298,7 @@ struct thermal_cooling_device *
>  thermal_of_cooling_device_register(struct device_node *np,
>  				   char *type, void *devdata,
>  				   const struct thermal_cooling_device_ops *);
> +void thermal_cdev_update(struct thermal_cooling_device *);
>  #else
>  static inline struct thermal_cooling_device *
>  thermal_of_cooling_device_register(struct device_node *np,
> @@ -306,6 +307,9 @@ thermal_of_cooling_device_register(struct device_node *np,
>  {
>  	return NULL;
>  }
> +static inline void thermal_cdev_update(struct thermal_cooling_device *cdev)
> +{
> +}
>  #endif
>  #ifdef CONFIG_THERMAL_OF
>  struct thermal_zone_device *
> @@ -349,7 +353,6 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, unsigned long *temp);
>  int get_tz_trend(struct thermal_zone_device *, int);
>  struct thermal_instance *get_thermal_instance(struct thermal_zone_device *,
>  		struct thermal_cooling_device *, int);
> -void thermal_cdev_update(struct thermal_cooling_device *);
>  void thermal_notify_framework(struct thermal_zone_device *, int);
>  
>  #ifdef CONFIG_NET
> -- 
> 2.0.0.rc2
> 

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