Re: [PATCH 1/1] thermal: cpu cooling: use const parameter while registering

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On Mon, 2012-11-12 at 11:58 -0400, Eduardo Valentin wrote:
> There are predefined cpu_masks that are const data structures.
> This patch changes the cpu cooling register function so that
> those const cpu_masks can be used, without compilation warnings.
> 
> include/linux/cpumask.h
> 
>  * The following particular system cpumasks and operations manage
>  * possible, present, active and online cpus.
>  *
>  *     cpu_possible_mask- has bit 'cpu' set iff cpu is populatable
>  *     cpu_present_mask - has bit 'cpu' set iff cpu is populated
>  *     cpu_online_mask  - has bit 'cpu' set iff cpu available to scheduler
>  *     cpu_active_mask  - has bit 'cpu' set iff cpu available to migration
>  *
> 
> Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxx>

applied.

thanks,
rui
> ---
>  drivers/thermal/cpu_cooling.c |    2 +-
>  include/linux/cpu_cooling.h   |    4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
> index cc1c930..e5e7153 100644
> --- a/drivers/thermal/cpu_cooling.c
> +++ b/drivers/thermal/cpu_cooling.c
> @@ -345,7 +345,7 @@ static struct notifier_block thermal_cpufreq_notifier_block = {
>   * @clip_cpus: cpumask of cpus where the frequency constraints will happen.
>   */
>  struct thermal_cooling_device *cpufreq_cooling_register(
> -	struct cpumask *clip_cpus)
> +	const struct cpumask *clip_cpus)
>  {
>  	struct thermal_cooling_device *cool_dev;
>  	struct cpufreq_cooling_device *cpufreq_dev = NULL;
> diff --git a/include/linux/cpu_cooling.h b/include/linux/cpu_cooling.h
> index 8515301..b30cc79c 100644
> --- a/include/linux/cpu_cooling.h
> +++ b/include/linux/cpu_cooling.h
> @@ -35,7 +35,7 @@
>   * @clip_cpus: cpumask of cpus where the frequency constraints will happen
>   */
>  struct thermal_cooling_device *cpufreq_cooling_register(
> -		struct cpumask *clip_cpus);
> +		const struct cpumask *clip_cpus);
>  
>  /**
>   * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
> @@ -44,7 +44,7 @@ struct thermal_cooling_device *cpufreq_cooling_register(
>  void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
>  #else /* !CONFIG_CPU_THERMAL */
>  static inline struct thermal_cooling_device *cpufreq_cooling_register(
> -	struct cpumask *clip_cpus)
> +	const struct cpumask *clip_cpus)
>  {
>  	return NULL;
>  }


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