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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2011-07-13 12:31:52 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-07-13 12:31:52 +0200 |
| commit | 5125bbf3880755419eff68672623cde49c4f31e8 (patch) | |
| tree | 50c4bfa1745e6d30ca16652a4d2ea848c568eb31 /include/linux/pm_domain.h | |
| parent | 56375fd420f851944960bd53dbb08d674f4d9406 (diff) | |
| download | lwn-5125bbf3880755419eff68672623cde49c4f31e8.tar.gz lwn-5125bbf3880755419eff68672623cde49c4f31e8.zip | |
PM / Domains: Introduce function to power off all unused PM domains
Add a new function pm_genpd_poweroff_unused() queuing up the
execution of pm_genpd_poweroff() for every initialized generic PM
domain. Calling it will cause every generic PM domain without
devices in use to be powered off.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Magnus Damm <damm@opensource.se>
Diffstat (limited to 'include/linux/pm_domain.h')
| -rw-r--r-- | include/linux/pm_domain.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index feb80af4cc1b..3e4f3d308f5e 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -24,6 +24,7 @@ struct dev_power_governor { 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 */ struct list_head sd_node; /* Node in the parent's subdomain list */ struct generic_pm_domain *parent; /* Parent PM domain */ struct list_head sd_list; /* List of dubdomains */ @@ -71,6 +72,7 @@ extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd, 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 void pm_genpd_poweroff_unused(void); #else static inline int pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev) @@ -98,6 +100,7 @@ static inline int pm_genpd_poweron(struct generic_pm_domain *genpd) { return -ENOSYS; } +static inline void pm_genpd_poweroff_unused(void) {} #endif #endif /* _LINUX_PM_DOMAIN_H */ |