crypto: ccree - make cc_pm_put_suspend() void

cc_pm_put_suspend() return value was never checked and is not
useful. Turn it into a void functions.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/ccree/cc_pm.c

@@ -73,17 +73,14 @@ int cc_pm_get(struct device *dev)
 	return (rc == 1 ? 0 : rc);
 }
 
-int cc_pm_put_suspend(struct device *dev)
+void cc_pm_put_suspend(struct device *dev)
 {
-	int rc = 0;
 	struct cc_drvdata *drvdata = dev_get_drvdata(dev);
 
 	if (drvdata->pm_on) {
 		pm_runtime_mark_last_busy(dev);
-		rc = pm_runtime_put_autosuspend(dev);
+		pm_runtime_put_autosuspend(dev);
 	}
-
-	return rc;
 }
 
 bool cc_pm_is_dev_suspended(struct device *dev)

drivers/crypto/ccree/cc_pm.h

@@ -21,7 +21,7 @@ void cc_pm_fini(struct cc_drvdata *drvdata);
 int cc_pm_suspend(struct device *dev);
 int cc_pm_resume(struct device *dev);
 int cc_pm_get(struct device *dev);
-int cc_pm_put_suspend(struct device *dev);
+void cc_pm_put_suspend(struct device *dev);
 bool cc_pm_is_dev_suspended(struct device *dev);
 
 #else
@@ -50,10 +50,7 @@ static inline int cc_pm_get(struct device *dev)
 	return 0;
 }
 
-static inline int cc_pm_put_suspend(struct device *dev)
-{
-	return 0;
-}
+static inline void cc_pm_put_suspend(struct device *dev) {}
 
 static inline bool cc_pm_is_dev_suspended(struct device *dev)
 {