[PATCH] PM / Domains: Fix build for CONFIG_PM_RUNTIME unset
From: Rafael J. Wysocki <hidden>
Date: 2011-08-14 14:03:07
Also in:
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From: Rafael J. Wysocki <redacted> Function genpd_queue_power_off_work() is not defined for CONFIG_PM_RUNTIME, so pm_genpd_poweroff_unused() causes a build error to happen in that case. Fix the problem by making pm_genpd_poweroff_unused() depend on CONFIG_PM_RUNTIME too. Signed-off-by: Rafael J. Wysocki <redacted> --- This is 3.1 material if no one objects. Thanks, Rafael --- drivers/base/power/domain.c | 30 +++++++++++++++--------------- include/linux/pm_domain.h | 10 +++++++--- kernel/power/Kconfig | 4 ++++ 3 files changed, 26 insertions(+), 18 deletions(-) Index: linux/include/linux/pm_domain.h =================================--- linux.orig/include/linux/pm_domain.h
+++ linux/include/linux/pm_domain.h@@ -72,8 +72,6 @@ extern int pm_genpd_remove_subdomain(str 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); -extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd); #else static inline int pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev)
@@ -101,8 +99,14 @@ static inline int pm_genpd_poweron(struc { return -ENOSYS; } -static inline void pm_genpd_poweroff_unused(void) {} +#endif + +#ifdef CONFIG_PM_GENERIC_DOMAINS_RUNTIME +extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd); +extern void pm_genpd_poweroff_unused(void); +#else static inline void genpd_queue_power_off_work(struct generic_pm_domain *gpd) {} +static inline void pm_genpd_poweroff_unused(void) {} #endif #endif /* _LINUX_PM_DOMAIN_H */
Index: linux/drivers/base/power/domain.c =================================--- linux.orig/drivers/base/power/domain.c
+++ linux/drivers/base/power/domain.c@@ -460,6 +460,21 @@ static int pm_genpd_runtime_resume(struc return 0; } +/** + * pm_genpd_poweroff_unused - Power off all PM domains with no devices in use. + */ +void pm_genpd_poweroff_unused(void) +{ + struct generic_pm_domain *genpd; + + mutex_lock(&gpd_list_lock); + + list_for_each_entry(genpd, &gpd_list, gpd_list_node) + genpd_queue_power_off_work(genpd); + + mutex_unlock(&gpd_list_lock); +} + #else static inline void genpd_power_off_work_fn(struct work_struct *work) {}
@@ -1255,18 +1270,3 @@ void pm_genpd_init(struct generic_pm_dom list_add(&genpd->gpd_list_node, &gpd_list); mutex_unlock(&gpd_list_lock); } - -/** - * pm_genpd_poweroff_unused - Power off all PM domains with no devices in use. - */ -void pm_genpd_poweroff_unused(void) -{ - struct generic_pm_domain *genpd; - - mutex_lock(&gpd_list_lock); - - list_for_each_entry(genpd, &gpd_list, gpd_list_node) - genpd_queue_power_off_work(genpd); - - mutex_unlock(&gpd_list_lock); -}
Index: linux/kernel/power/Kconfig =================================--- linux.orig/kernel/power/Kconfig
+++ linux/kernel/power/Kconfig@@ -231,3 +231,7 @@ config PM_CLK config PM_GENERIC_DOMAINS bool depends on PM + +config PM_GENERIC_DOMAINS_RUNTIME + def_bool y + depends on PM_RUNTIME && PM_GENERIC_DOMAINS