diff options
author | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-12-11 22:15:57 -0800 |
---|---|---|
committer | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-12-11 22:15:57 -0800 |
commit | 76d8a23b127020472207b281427d3e9f4f1227e4 (patch) | |
tree | e14d7063d96d850fb259115d6fb08cbeb98ccf88 /include/linux/pm_qos.h | |
parent | eba3b670a9166a91be5a11fe33290dca6b9457a2 (diff) | |
parent | 1ebaf4f4e6912199f8a4e30ba3ab55da2b71bcdf (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
The merge is merely to fix conflicts before sending a pull request.
Conflicts:
drivers/power/ab8500_btemp.c
drivers/power/ab8500_charger.c
drivers/power/ab8500_fg.c
drivers/power/abx500_chargalg.c
drivers/power/max8925_power.c
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Diffstat (limited to 'include/linux/pm_qos.h')
-rw-r--r-- | include/linux/pm_qos.h | 77 |
1 files changed, 73 insertions, 4 deletions
diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index 9924ea1f22e0..5a95013905c8 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -20,6 +20,13 @@ enum { PM_QOS_NUM_CLASSES, }; +enum pm_qos_flags_status { + PM_QOS_FLAGS_UNDEFINED = -1, + PM_QOS_FLAGS_NONE, + PM_QOS_FLAGS_SOME, + PM_QOS_FLAGS_ALL, +}; + #define PM_QOS_DEFAULT_VALUE -1 #define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC) @@ -27,14 +34,31 @@ enum { #define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE 0 #define PM_QOS_DEV_LAT_DEFAULT_VALUE 0 +#define PM_QOS_FLAG_NO_POWER_OFF (1 << 0) +#define PM_QOS_FLAG_REMOTE_WAKEUP (1 << 1) + struct pm_qos_request { struct plist_node node; int pm_qos_class; struct delayed_work work; /* for pm_qos_update_request_timeout */ }; +struct pm_qos_flags_request { + struct list_head node; + s32 flags; /* Do not change to 64 bit */ +}; + +enum dev_pm_qos_req_type { + DEV_PM_QOS_LATENCY = 1, + DEV_PM_QOS_FLAGS, +}; + struct dev_pm_qos_request { - struct plist_node node; + enum dev_pm_qos_req_type type; + union { + struct plist_node pnode; + struct pm_qos_flags_request flr; + } data; struct device *dev; }; @@ -45,8 +69,8 @@ enum pm_qos_type { }; /* - * Note: The lockless read path depends on the CPU accessing - * target_value atomically. Atomic access is only guaranteed on all CPU + * Note: The lockless read path depends on the CPU accessing target_value + * or effective_flags atomically. Atomic access is only guaranteed on all CPU * types linux supports for 32 bit quantites */ struct pm_qos_constraints { @@ -57,6 +81,18 @@ struct pm_qos_constraints { struct blocking_notifier_head *notifiers; }; +struct pm_qos_flags { + struct list_head list; + s32 effective_flags; /* Do not change to 64 bit */ +}; + +struct dev_pm_qos { + struct pm_qos_constraints latency; + struct pm_qos_flags flags; + struct dev_pm_qos_request *latency_req; + struct dev_pm_qos_request *flags_req; +}; + /* Action requested to pm_qos_update_target */ enum pm_qos_req_action { PM_QOS_ADD_REQ, /* Add a new request */ @@ -71,6 +107,9 @@ static inline int dev_pm_qos_request_active(struct dev_pm_qos_request *req) int pm_qos_update_target(struct pm_qos_constraints *c, struct plist_node *node, enum pm_qos_req_action action, int value); +bool pm_qos_update_flags(struct pm_qos_flags *pqf, + struct pm_qos_flags_request *req, + enum pm_qos_req_action action, s32 val); void pm_qos_add_request(struct pm_qos_request *req, int pm_qos_class, s32 value); void pm_qos_update_request(struct pm_qos_request *req, @@ -86,10 +125,12 @@ int pm_qos_request_active(struct pm_qos_request *req); s32 pm_qos_read_value(struct pm_qos_constraints *c); #ifdef CONFIG_PM +enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask); +enum pm_qos_flags_status dev_pm_qos_flags(struct device *dev, s32 mask); s32 __dev_pm_qos_read_value(struct device *dev); s32 dev_pm_qos_read_value(struct device *dev); int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req, - s32 value); + enum dev_pm_qos_req_type type, 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, @@ -103,12 +144,19 @@ void dev_pm_qos_constraints_destroy(struct device *dev); int dev_pm_qos_add_ancestor_request(struct device *dev, struct dev_pm_qos_request *req, s32 value); #else +static inline enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, + s32 mask) + { return PM_QOS_FLAGS_UNDEFINED; } +static inline enum pm_qos_flags_status dev_pm_qos_flags(struct device *dev, + s32 mask) + { return PM_QOS_FLAGS_UNDEFINED; } static inline s32 __dev_pm_qos_read_value(struct device *dev) { return 0; } static inline s32 dev_pm_qos_read_value(struct device *dev) { return 0; } static inline int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req, + enum dev_pm_qos_req_type type, s32 value) { return 0; } static inline int dev_pm_qos_update_request(struct dev_pm_qos_request *req, @@ -144,10 +192,31 @@ static inline int dev_pm_qos_add_ancestor_request(struct device *dev, #ifdef CONFIG_PM_RUNTIME int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value); void dev_pm_qos_hide_latency_limit(struct device *dev); +int dev_pm_qos_expose_flags(struct device *dev, s32 value); +void dev_pm_qos_hide_flags(struct device *dev); +int dev_pm_qos_update_flags(struct device *dev, s32 mask, bool set); + +static inline s32 dev_pm_qos_requested_latency(struct device *dev) +{ + return dev->power.qos->latency_req->data.pnode.prio; +} + +static inline s32 dev_pm_qos_requested_flags(struct device *dev) +{ + return dev->power.qos->flags_req->data.flr.flags; +} #else static inline int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value) { return 0; } static inline void dev_pm_qos_hide_latency_limit(struct device *dev) {} +static inline int dev_pm_qos_expose_flags(struct device *dev, s32 value) + { return 0; } +static inline void dev_pm_qos_hide_flags(struct device *dev) {} +static inline int dev_pm_qos_update_flags(struct device *dev, s32 m, bool set) + { return 0; } + +static inline s32 dev_pm_qos_requested_latency(struct device *dev) { return 0; } +static inline s32 dev_pm_qos_requested_flags(struct device *dev) { return 0; } #endif #endif |