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 *genpd = NULL, *gpd;
-
- if (IS_ERR_OR_NULL(domain_name))
- return NULL;
-
- mutex_lock(&gpd_list_lock);
- list_for_each_entry(gpd, &gpd_list, gpd_list_node) {
- if (!strcmp(gpd->name, domain_name)) {
- genpd = gpd;
- break;
- }
- }
- mutex_unlock(&gpd_list_lock);
- return genpd;
-}
-
/*
* Get the generic PM domain for a particular struct device.
* This validates the struct device pointer, the PM domain pointer,
return ret;
}
-/**
- * pm_genpd_name_poweron - Restore power to a given PM domain and its masters.
- * @domain_name: Name of the PM domain to power up.
- */
-int pm_genpd_name_poweron(const char *domain_name)
-{
- struct generic_pm_domain *genpd;
-
- genpd = pm_genpd_lookup_name(domain_name);
- return genpd ? pm_genpd_poweron(genpd) : -EINVAL;
-}
-
static int genpd_save_dev(struct generic_pm_domain *genpd, struct device *dev)
{
return GENPD_DEV_TIMED_CALLBACK(genpd, int, save_state, dev,
return ret;
}
-/**
- * __pm_genpd_name_add_device - Find I/O PM domain and add a device to it.
- * @domain_name: Name of the PM domain to add the device to.
- * @dev: Device to be added.
- * @td: Set of PM QoS timing parameters to attach to the device.
- */
-int __pm_genpd_name_add_device(const char *domain_name, struct device *dev,
- struct gpd_timing_data *td)
-{
- return __pm_genpd_add_device(pm_genpd_lookup_name(domain_name), dev, td);
-}
-
/**
* pm_genpd_remove_device - Remove a device from an I/O PM domain.
* @genpd: PM domain to remove the device from.
return ret;
}
-/**
- * pm_genpd_add_subdomain_names - Add a subdomain to an I/O PM domain.
- * @master_name: Name of the master PM domain to add the subdomain to.
- * @subdomain_name: Name of the subdomain to be added.
- */
-int pm_genpd_add_subdomain_names(const char *master_name,
- const char *subdomain_name)
-{
- struct generic_pm_domain *master = NULL, *subdomain = NULL, *gpd;
-
- if (IS_ERR_OR_NULL(master_name) || IS_ERR_OR_NULL(subdomain_name))
- return -EINVAL;
-
- mutex_lock(&gpd_list_lock);
- list_for_each_entry(gpd, &gpd_list, gpd_list_node) {
- if (!master && !strcmp(gpd->name, master_name))
- master = gpd;
-
- if (!subdomain && !strcmp(gpd->name, subdomain_name))
- subdomain = gpd;
-
- if (master && subdomain)
- break;
- }
- mutex_unlock(&gpd_list_lock);
-
- return pm_genpd_add_subdomain(master, subdomain);
-}
-
/**
* pm_genpd_remove_subdomain - Remove a subdomain from an I/O PM domain.
* @genpd: Master PM domain to remove the subdomain from.
goto out;
}
-/**
- * pm_genpd_name_attach_cpuidle - Find PM domain and connect cpuidle to it.
- * @name: Name of the domain to connect to cpuidle.
- * @state: cpuidle state this domain can manipulate.
- */
-int pm_genpd_name_attach_cpuidle(const char *name, int state)
-{
- return pm_genpd_attach_cpuidle(pm_genpd_lookup_name(name), state);
-}
-
/**
* pm_genpd_detach_cpuidle - Remove the cpuidle connection from a PM domain.
* @genpd: PM domain to remove the cpuidle connection from.
return ret;
}
-/**
- * pm_genpd_name_detach_cpuidle - Find PM domain and disconnect cpuidle from it.
- * @name: Name of the domain to disconnect cpuidle from.
- */
-int pm_genpd_name_detach_cpuidle(const char *name)
-{
- return pm_genpd_detach_cpuidle(pm_genpd_lookup_name(name));
-}
-
/* Default device callbacks for generic PM domains. */
/**
struct device *dev,
struct gpd_timing_data *td);
-extern int __pm_genpd_name_add_device(const char *domain_name,
- struct device *dev,
- struct gpd_timing_data *td);
-
extern int pm_genpd_remove_device(struct generic_pm_domain *genpd,
struct device *dev);
extern int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
struct generic_pm_domain *new_subdomain);
-extern int pm_genpd_add_subdomain_names(const char *master_name,
- const char *subdomain_name);
extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
struct generic_pm_domain *target);
extern int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state);
-extern int pm_genpd_name_attach_cpuidle(const char *name, int state);
extern int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd);
-extern int pm_genpd_name_detach_cpuidle(const char *name);
extern void pm_genpd_init(struct generic_pm_domain *genpd,
struct dev_power_governor *gov, bool is_off);
extern int pm_genpd_poweron(struct generic_pm_domain *genpd);
-extern int pm_genpd_name_poweron(const char *domain_name);
extern void pm_genpd_poweroff_unused(void);
extern struct dev_power_governor simple_qos_governor;
{
return -ENOSYS;
}
-static inline int __pm_genpd_name_add_device(const char *domain_name,
- struct device *dev,
- struct gpd_timing_data *td)
-{
- return -ENOSYS;
-}
static inline int pm_genpd_remove_device(struct generic_pm_domain *genpd,
struct device *dev)
{
{
return -ENOSYS;
}
-static inline int pm_genpd_add_subdomain_names(const char *master_name,
- const char *subdomain_name)
-{
- return -ENOSYS;
-}
static inline int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
struct generic_pm_domain *target)
{
{
return -ENOSYS;
}
-static inline int pm_genpd_name_attach_cpuidle(const char *name, int state)
-{
- return -ENOSYS;
-}
static inline int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd)
{
return -ENOSYS;
}
-static inline int pm_genpd_name_detach_cpuidle(const char *name)
-{
- return -ENOSYS;
-}
static inline void pm_genpd_init(struct generic_pm_domain *genpd,
struct dev_power_governor *gov, bool is_off)
{
{
return -ENOSYS;
}
-static inline int pm_genpd_name_poweron(const char *domain_name)
-{
- return -ENOSYS;
-}
static inline void pm_genpd_poweroff_unused(void) {}
#endif
return __pm_genpd_add_device(genpd, dev, NULL);
}
-static inline int pm_genpd_name_add_device(const char *domain_name,
- struct device *dev)
-{
- return __pm_genpd_name_add_device(domain_name, dev, NULL);
-}
-
#ifdef CONFIG_PM_GENERIC_DOMAINS_SLEEP
extern void pm_genpd_syscore_poweroff(struct device *dev);
extern void pm_genpd_syscore_poweron(struct device *dev);