diff options
-rw-r--r-- | drivers/base/power/domain.c | 30 | ||||
-rw-r--r-- | include/linux/pm_domain.h | 10 | ||||
-rw-r--r-- | kernel/power/Kconfig | 4 |
3 files changed, 26 insertions, 18 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index e18566a0fedd..1c374579407c 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c | |||
@@ -460,6 +460,21 @@ static int pm_genpd_runtime_resume(struct device *dev) | |||
460 | return 0; | 460 | return 0; |
461 | } | 461 | } |
462 | 462 | ||
463 | /** | ||
464 | * pm_genpd_poweroff_unused - Power off all PM domains with no devices in use. | ||
465 | */ | ||
466 | void pm_genpd_poweroff_unused(void) | ||
467 | { | ||
468 | struct generic_pm_domain *genpd; | ||
469 | |||
470 | mutex_lock(&gpd_list_lock); | ||
471 | |||
472 | list_for_each_entry(genpd, &gpd_list, gpd_list_node) | ||
473 | genpd_queue_power_off_work(genpd); | ||
474 | |||
475 | mutex_unlock(&gpd_list_lock); | ||
476 | } | ||
477 | |||
463 | #else | 478 | #else |
464 | 479 | ||
465 | static inline void genpd_power_off_work_fn(struct work_struct *work) {} | 480 | static inline void genpd_power_off_work_fn(struct work_struct *work) {} |
@@ -1255,18 +1270,3 @@ void pm_genpd_init(struct generic_pm_domain *genpd, | |||
1255 | list_add(&genpd->gpd_list_node, &gpd_list); | 1270 | list_add(&genpd->gpd_list_node, &gpd_list); |
1256 | mutex_unlock(&gpd_list_lock); | 1271 | mutex_unlock(&gpd_list_lock); |
1257 | } | 1272 | } |
1258 | |||
1259 | /** | ||
1260 | * pm_genpd_poweroff_unused - Power off all PM domains with no devices in use. | ||
1261 | */ | ||
1262 | void pm_genpd_poweroff_unused(void) | ||
1263 | { | ||
1264 | struct generic_pm_domain *genpd; | ||
1265 | |||
1266 | mutex_lock(&gpd_list_lock); | ||
1267 | |||
1268 | list_for_each_entry(genpd, &gpd_list, gpd_list_node) | ||
1269 | genpd_queue_power_off_work(genpd); | ||
1270 | |||
1271 | mutex_unlock(&gpd_list_lock); | ||
1272 | } | ||
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 21097cb086fe..f9ec1736a116 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h | |||
@@ -72,8 +72,6 @@ extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd, | |||
72 | extern void pm_genpd_init(struct generic_pm_domain *genpd, | 72 | extern void pm_genpd_init(struct generic_pm_domain *genpd, |
73 | struct dev_power_governor *gov, bool is_off); | 73 | struct dev_power_governor *gov, bool is_off); |
74 | extern int pm_genpd_poweron(struct generic_pm_domain *genpd); | 74 | extern int pm_genpd_poweron(struct generic_pm_domain *genpd); |
75 | extern void pm_genpd_poweroff_unused(void); | ||
76 | extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd); | ||
77 | #else | 75 | #else |
78 | static inline int pm_genpd_add_device(struct generic_pm_domain *genpd, | 76 | static inline int pm_genpd_add_device(struct generic_pm_domain *genpd, |
79 | struct device *dev) | 77 | struct device *dev) |
@@ -101,8 +99,14 @@ static inline int pm_genpd_poweron(struct generic_pm_domain *genpd) | |||
101 | { | 99 | { |
102 | return -ENOSYS; | 100 | return -ENOSYS; |
103 | } | 101 | } |
104 | static inline void pm_genpd_poweroff_unused(void) {} | 102 | #endif |
103 | |||
104 | #ifdef CONFIG_PM_GENERIC_DOMAINS_RUNTIME | ||
105 | extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd); | ||
106 | extern void pm_genpd_poweroff_unused(void); | ||
107 | #else | ||
105 | static inline void genpd_queue_power_off_work(struct generic_pm_domain *gpd) {} | 108 | static inline void genpd_queue_power_off_work(struct generic_pm_domain *gpd) {} |
109 | static inline void pm_genpd_poweroff_unused(void) {} | ||
106 | #endif | 110 | #endif |
107 | 111 | ||
108 | #endif /* _LINUX_PM_DOMAIN_H */ | 112 | #endif /* _LINUX_PM_DOMAIN_H */ |
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index b1914cb9095c..3744c594b19b 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig | |||
@@ -231,3 +231,7 @@ config PM_CLK | |||
231 | config PM_GENERIC_DOMAINS | 231 | config PM_GENERIC_DOMAINS |
232 | bool | 232 | bool |
233 | depends on PM | 233 | depends on PM |
234 | |||
235 | config PM_GENERIC_DOMAINS_RUNTIME | ||
236 | def_bool y | ||
237 | depends on PM_RUNTIME && PM_GENERIC_DOMAINS | ||