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Merge branch 'pm-domains'

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* pm-domains:
  PM / Domains: Merge measurements for PM QoS device latencies
  PM / Domains: Don't measure ->start|stop() latency in system PM callbacks
  PM / Domains: Rename *pm_genpd_poweron|poweroff()
  PM / Domains: Remove pm_genpd_poweron() API
  PM / Domains: Remove pm_genpd_poweroff_unused() API
  soc: dove: Let genpd deal with disabling of unused PM domains
  PM / Domains: Remove in_progress counter from struct generic_pm_domain
  PM / domains: Drop unused label
  PM / Domains: Remove cpuidle attach
  PM / Domains: Remove name based API for genpd
This commit is contained in:
Rafael J. Wysocki 2015-11-02 00:54:30 +01:00
commit dcf3d0183f
4 changed files with 77 additions and 368 deletions
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70
include/linux/pm_domain.h
View file

@ -15,7 +15,6 @@
#include <linux/err.h>
#include <linux/of.h>
#include <linux/notifier.h>
#include <linux/cpuidle.h>
/* Defines used for the flags field in the struct generic_pm_domain */
#define GENPD_FLAG_PM_CLK (1U << 0) /* PM domain uses PM clk */
@ -38,11 +37,6 @@ struct gpd_dev_ops {
bool (*active_wakeup)(struct device *dev);
};
struct gpd_cpuidle_data {
unsigned int saved_exit_latency;
struct cpuidle_state *idle_state;
};
struct generic_pm_domain {
struct dev_pm_domain domain; /* PM domain operations */
struct list_head gpd_list_node; /* Node in the global PM domains list */
@ -53,7 +47,6 @@ struct generic_pm_domain {
struct dev_power_governor *gov;
struct work_struct power_off_work;
const char *name;
unsigned int in_progress; /* Number of devices being suspended now */
atomic_t sd_count; /* Number of subdomains with power "on" */
enum gpd_status status; /* Current state of the domain */
unsigned int device_count; /* Number of devices */
@ -68,7 +61,6 @@ struct generic_pm_domain {
s64 max_off_time_ns; /* Maximum allowed "suspended" time. */
bool max_off_time_changed;
bool cached_power_down_ok;
struct gpd_cpuidle_data *cpuidle_data;
int (*attach_dev)(struct generic_pm_domain *domain,
struct device *dev);
void (*detach_dev)(struct generic_pm_domain *domain,
@ -89,10 +81,8 @@ struct gpd_link {
};
struct gpd_timing_data {
s64 stop_latency_ns;
s64 start_latency_ns;
s64 save_state_latency_ns;
s64 restore_state_latency_ns;
s64 suspend_latency_ns;
s64 resume_latency_ns;
s64 effective_constraint_ns;
bool constraint_changed;
bool cached_stop_ok;
@ -125,29 +115,15 @@ extern int __pm_genpd_add_device(struct generic_pm_domain *genpd,
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;
extern struct dev_power_governor pm_domain_always_on_gov;
#else
@ -166,12 +142,6 @@ static inline int __pm_genpd_add_device(struct generic_pm_domain *genpd,
{
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)
{
@ -182,45 +152,15 @@ static inline int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
{
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_attach_cpuidle(struct generic_pm_domain *genpd, int st)
{
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)
{
}
static inline int pm_genpd_poweron(struct generic_pm_domain *genpd)
{
return -ENOSYS;
}
static inline int pm_genpd_name_poweron(const char *domain_name)
{
return -ENOSYS;
}
static inline void pm_genpd_poweroff_unused(void) {}
#endif
static inline int pm_genpd_add_device(struct generic_pm_domain *genpd,
@ -229,12 +169,6 @@ static inline int pm_genpd_add_device(struct generic_pm_domain *genpd,
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);