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thermal: cpu cooling: use const parameter while registering

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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@ti.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Eduardo Valentin 2012-11-12 15:58:50 +00:00 committed by Zhang Rui
parent dc1956b5f8
commit 3778ff5c70
2 changed files with 3 additions and 3 deletions
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2
drivers/thermal/cpu_cooling.c
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@ -313,7 +313,7 @@ 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;

4
include/linux/cpu_cooling.h
View File

@ -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;
}