cpuidle: make __cpuidle_device_init() return void

The only value returned by __cpuidle_device_init() is 0, so it very
well may be a void function.  Make that happen.

[rjw: Changelog]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 8827c02af87c..211e504263fa 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -358,12 +358,10 @@ static void __cpuidle_unregister_device(struct cpuidle_device *dev)
         module_put(drv->owner);
 }
 
-static int __cpuidle_device_init(struct cpuidle_device *dev)
+static void __cpuidle_device_init(struct cpuidle_device *dev)
 {
         memset(dev->states_usage, 0, sizeof(dev->states_usage));
         dev->last_residency = 0;
-
-        return 0;
 }
 
 /**
@@ -410,9 +408,7 @@ int cpuidle_register_device(struct cpuidle_device *dev)
         if (dev->registered)
                 goto out_unlock;
 
-        ret = __cpuidle_device_init(dev);
-        if (ret)
-                goto out_unlock;
+        __cpuidle_device_init(dev);
 
         ret = __cpuidle_register_device(dev);
         if (ret)