PM / Domains: Fix build for CONFIG_PM_RUNTIME unset

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 <rjw@sisk.pl>

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index e18566a..1c37457 100644 (file)
--- 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)
        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_domain *genpd,
        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);
-}

diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 21097cb..f9ec173 100644 (file)
--- 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,
 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(struct generic_pm_domain *genpd)
 {
        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 */

diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index b1914cb..3744c59 100644 (file)
--- a/kernel/power/Kconfig
+++ b/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