Messages in this thread Patch in this message | | | From | Amit Daniel Kachhap <> | Subject | [PATCH RFC v2 07/12] PM / Domains: export pm_genpd_lookup_name | Date | Mon, 24 Nov 2014 18:34:11 +0530 |
| |
This API may be needed to set the power domain parent/child relationship in the power domain platform driver. The parent relationship is generally set after the child power domain is registered with the power domain subsystem. In this case, pm_genpd_lookup_name API might be useful.
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com> --- drivers/base/power/domain.c | 3 ++- include/linux/pm_domain.h | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index fb83d4a..b0e1c2f 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -49,7 +49,7 @@ static LIST_HEAD(gpd_list); static DEFINE_MUTEX(gpd_list_lock); -static struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name) +struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name) { struct generic_pm_domain *genpd = NULL, *gpd; @@ -66,6 +66,7 @@ static struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name) mutex_unlock(&gpd_list_lock); return genpd; } +EXPORT_SYMBOL_GPL(pm_genpd_lookup_name); struct generic_pm_domain *dev_to_genpd(struct device *dev) { diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 2e0e06d..aedcec3 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -150,6 +150,8 @@ extern int pm_genpd_name_poweron(const char *domain_name); extern struct dev_power_governor simple_qos_governor; extern struct dev_power_governor pm_domain_always_on_gov; + +extern struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name); #else static inline struct generic_pm_domain_data *dev_gpd_data(struct device *dev) @@ -221,6 +223,11 @@ static inline int pm_genpd_name_poweron(const char *domain_name) { return -ENOSYS; } +static inline +struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name) +{ + return NULL; +} #define simple_qos_governor NULL #define pm_domain_always_on_gov NULL #endif -- 1.7.9.5
| |