PM / domains: Remove default_stop_ok() API

There are currently no need to export default_stop_ok() as an API,
instead let's keep it local to the PM domain governor.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
index a089e3b..d88a62e 100644
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -42,7 +42,7 @@
  * default_stop_ok - Default PM domain governor routine for stopping devices.
  * @dev: Device to check.
  */
-bool default_stop_ok(struct device *dev)
+static bool default_stop_ok(struct device *dev)
 {
 	struct gpd_timing_data *td = &dev_gpd_data(dev)->td;
 	unsigned long flags;
@@ -229,10 +229,7 @@
 
 #else /* !CONFIG_PM_RUNTIME */
 
-bool default_stop_ok(struct device *dev)
-{
-	return false;
-}
+static inline bool default_stop_ok(struct device *dev) { return false; }
 
 #define default_power_down_ok	NULL
 #define always_on_power_down_ok	NULL
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index c19c90b..3b59f29 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -151,8 +151,6 @@
 extern int pm_genpd_poweron(struct generic_pm_domain *genpd);
 extern int pm_genpd_name_poweron(const char *domain_name);
 
-extern bool default_stop_ok(struct device *dev);
-
 extern struct dev_power_governor pm_domain_always_on_gov;
 #else
 
@@ -231,10 +229,6 @@
 {
 	return -ENOSYS;
 }
-static inline bool default_stop_ok(struct device *dev)
-{
-	return false;
-}
 #define simple_qos_governor NULL
 #define pm_domain_always_on_gov NULL
 #endif