From 6185f0ac9234491c9527b65df0a60be9cfa3e498 Mon Sep 17 00:00:00 2001
From: nick <nicholas.crast@anaren.com>
Date: Thu, 7 Sep 2017 20:27:47 -0400
Subject: [PATCH] rpi: Return 0 if mmap is already done

Signed-off-by: Nick Crast <nicholas.crast@anaren.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
---
 src/arm/raspberry_pi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/arm/raspberry_pi.c b/src/arm/raspberry_pi.c
index 743f9f7..75381c1 100644
--- a/src/arm/raspberry_pi.c
+++ b/src/arm/raspberry_pi.c
@@ -159,7 +159,7 @@ mmap_regs()
 {
     // Already mapped!
     if (clk_reg || gpio_reg || pwm_reg) {
-        return;
+        return 0;
     }
 
     clk_reg = mmap_reg_addr(peripheral_base + CLOCK_OFFSET);