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PM / Domains: Document cpuidle-related functions and change their names

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The names of the cpuidle-related functions in
drivers/base/power/domain.c are inconsistent with the names of the
other exported functions in that file (the "pm_" prefix is missing
from them) and they are missing kerneldoc comments.

Fix that by adding the missing "pm_" prefix to the names of those
functions and add kerneldoc comments documenting them.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki 2012-08-15 20:32:43 +02:00
parent 8bc0251de2
commit 40114447a7
2 changed files with 22 additions and 6 deletions
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20
drivers/base/power/domain.c
View File

@ -1829,7 +1829,16 @@ int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td)
}
EXPORT_SYMBOL_GPL(__pm_genpd_remove_callbacks);
int genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state)
/**
* pm_genpd_attach_cpuidle - Connect the given PM domain with cpuidle.
* @genpd: PM domain to be connected with cpuidle.
* @state: cpuidle state this domain can disable/enable.
*
* Make a PM domain behave as though it contained a CPU core, that is, instead
* of calling its power down routine it will enable the given cpuidle state so
* that the cpuidle subsystem can power it down (if possible and desirable).
*/
int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state)
{
struct cpuidle_driver *cpuidle_drv;
struct gpd_cpu_data *cpu_data;
@ -1878,7 +1887,14 @@ int genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state)
goto out;
}
int genpd_detach_cpuidle(struct generic_pm_domain *genpd)
/**
* pm_genpd_detach_cpuidle - Remove the cpuidle connection from a PM domain.
* @genpd: PM domain to remove the cpuidle connection from.
*
* Remove the cpuidle connection set up by pm_genpd_attach_cpuidle() from the
* given PM domain.
*/
int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd)
{
struct gpd_cpu_data *cpu_data;
struct cpuidle_state *idle_state;

8
include/linux/pm_domain.h
View File

@ -155,8 +155,8 @@ extern int pm_genpd_add_callbacks(struct device *dev,
struct gpd_dev_ops *ops,
struct gpd_timing_data *td);
extern int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td);
extern int genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state);
extern int genpd_detach_cpuidle(struct generic_pm_domain *genpd);
extern int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state);
extern int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd);
extern void pm_genpd_init(struct generic_pm_domain *genpd,
struct dev_power_governor *gov, bool is_off);
@ -225,11 +225,11 @@ static inline int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td)
{
return -ENOSYS;
}
static inline int genpd_attach_cpuidle(struct generic_pm_domain *genpd, int st)
static inline int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int st)
{
return -ENOSYS;
}
static inline int genpd_detach_cpuidle(struct generic_pm_domain *genpd)
static inline int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd)
{
return -ENOSYS;
}