From a52f638d7eaf3afaeb80405d6fcc574620af98f7 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Fri, 25 Mar 2016 14:59:53 -0600
Subject: [PATCH] Eliminate a warning

---
 arch/arm/src/stm32l4/stm32l4_rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/src/stm32l4/stm32l4_rng.c b/arch/arm/src/stm32l4/stm32l4_rng.c
index 87bfaf98cd..a9dcf3ba54 100644
--- a/arch/arm/src/stm32l4/stm32l4_rng.c
+++ b/arch/arm/src/stm32l4/stm32l4_rng.c
@@ -302,7 +302,7 @@ static ssize_t stm32l4_rngread(struct file *filep, char *buffer, size_t buflen)
  * Public Functions
  ****************************************************************************/
 
-void up_rnginitialize()
+void up_rnginitialize(void)
 {
   stm32l4_rnginitialize();
   register_driver("/dev/random", &g_rngops, 0444, NULL);