diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pm.h | 9 | ||||
| -rw-r--r-- | include/linux/pm_qos.h | 42 |
2 files changed, 51 insertions, 0 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h index ed10f24d5259..d78187e9ca99 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -419,6 +419,13 @@ enum rpm_request { RPM_REQ_RESUME, }; +/* Per-device PM QoS constraints data struct state */ +enum dev_pm_qos_state { + DEV_PM_QOS_NO_DEVICE, /* No device present */ + DEV_PM_QOS_DEVICE_PRESENT, /* Device present, data not allocated */ + DEV_PM_QOS_ALLOCATED, /* Device present, data allocated */ +}; + struct wakeup_source; struct pm_domain_data { @@ -480,6 +487,8 @@ struct dev_pm_info { unsigned long accounting_timestamp; #endif struct pm_subsys_data *subsys_data; /* Owned by the subsystem. */ + struct pm_qos_constraints *constraints; + enum dev_pm_qos_state constraints_state; }; extern void update_pm_runtime_accounting(struct device *dev); diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index 84aa15089896..f75f74dd9b90 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -19,12 +19,18 @@ #define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC) #define PM_QOS_NETWORK_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC) #define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE 0 +#define PM_QOS_DEV_LAT_DEFAULT_VALUE 0 struct pm_qos_request { struct plist_node node; int pm_qos_class; }; +struct dev_pm_qos_request { + struct plist_node node; + struct device *dev; +}; + enum pm_qos_type { PM_QOS_UNITIALIZED, PM_QOS_MAX, /* return the largest value */ @@ -51,6 +57,11 @@ enum pm_qos_req_action { PM_QOS_REMOVE_REQ /* Remove an existing request */ }; +static inline int dev_pm_qos_request_active(struct dev_pm_qos_request *req) +{ + return req->dev != 0; +} + #ifdef CONFIG_PM int pm_qos_update_target(struct pm_qos_constraints *c, struct plist_node *node, enum pm_qos_req_action action, int value); @@ -64,6 +75,17 @@ int pm_qos_request(int pm_qos_class); int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier); int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier); int pm_qos_request_active(struct pm_qos_request *req); + +int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req, + s32 value); +int dev_pm_qos_update_request(struct dev_pm_qos_request *req, s32 new_value); +int dev_pm_qos_remove_request(struct dev_pm_qos_request *req); +int dev_pm_qos_add_notifier(struct device *dev, + struct notifier_block *notifier); +int dev_pm_qos_remove_notifier(struct device *dev, + struct notifier_block *notifier); +void dev_pm_qos_constraints_init(struct device *dev); +void dev_pm_qos_constraints_destroy(struct device *dev); #else static inline int pm_qos_update_target(struct pm_qos_constraints *c, struct plist_node *node, @@ -89,6 +111,26 @@ static inline int pm_qos_remove_notifier(int pm_qos_class, { return 0; } static inline int pm_qos_request_active(struct pm_qos_request *req) { return 0; } + +static inline int dev_pm_qos_add_request(struct device *dev, + struct dev_pm_qos_request *req, + s32 value) + { return 0; } +static inline int dev_pm_qos_update_request(struct dev_pm_qos_request *req, + s32 new_value) + { return 0; } +static inline int dev_pm_qos_remove_request(struct dev_pm_qos_request *req) + { return 0; } +static inline int dev_pm_qos_add_notifier(struct device *dev, + struct notifier_block *notifier) + { return 0; } +static inline int dev_pm_qos_remove_notifier(struct device *dev, + struct notifier_block *notifier) + { return 0; } +static inline void dev_pm_qos_constraints_init(struct device *dev) + { return; } +static inline void dev_pm_qos_constraints_destroy(struct device *dev) + { return; } #endif #endif |