Re: [PATCH v4 1/8] thermal: Provide stub for thermal_of_cooling_device_register() function

From: Eduardo Valentin
Date: Tue Feb 24 2015 - 14:22:09 EST


On Wed, Feb 18, 2015 at 11:07:29AM +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_of_cooling_device_register() 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@xxxxxxxxxxx>
> ---
> Changes for v2:
> - None
> Changes for v3:
> - Provide stub declaration when CONFIG_THERMAL is not set
> Changes for v4:
> - None
> ---
> include/linux/thermal.h | 17 ++++++++++++++---
> 1 file changed, 14 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index fc52e30..eacf2de 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -293,6 +293,20 @@ struct thermal_trip {
> };
>
> /* Function declarations */
> +#ifdef CONFIG_THERMAL
> +struct thermal_cooling_device *
> +thermal_of_cooling_device_register(struct device_node *np,
> + char *type, void *devdata,
> + const struct thermal_cooling_device_ops *);
> +#else
> +static inline struct thermal_cooling_device *
> +thermal_of_cooling_device_register(struct device_node *np,
> + char *type, void *devdata,
> + const struct thermal_cooling_device_ops *ops)
> +{
> + return NULL;
> +}
> +#endif
> #ifdef CONFIG_THERMAL_OF
> struct thermal_zone_device *
> thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
> @@ -328,9 +342,6 @@ void thermal_zone_device_update(struct thermal_zone_device *);
>
> struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
> const struct thermal_cooling_device_ops *);
> -struct thermal_cooling_device *
> -thermal_of_cooling_device_register(struct device_node *np, char *, void *,
> - const struct thermal_cooling_device_ops *);
> void thermal_cooling_device_unregister(struct thermal_cooling_device *);
> struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);
> int thermal_zone_get_temp(struct thermal_zone_device *tz, unsigned long *temp);
> --
> 2.0.0.rc2
>

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