From 7937ea7327a461646fb2b0808bd3ebed7f65d2e5 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Wed, 26 Aug 2015 14:13:51 -0700
Subject: [PATCH] Enable DMB instruction at end of FIFO data copy.

Can't hurt to make sure FIFO and buffer state are flushed before returning to caller...
---
 firmware/common/fifo.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firmware/common/fifo.hpp b/firmware/common/fifo.hpp
index f266304e..338f9056 100644
--- a/firmware/common/fifo.hpp
+++ b/firmware/common/fifo.hpp
@@ -139,7 +139,7 @@ private:
 	}
 
 	void smp_wmb() {
-		/*__DMB();*/
+		__DMB();
 	}
 
 	size_t peek_n() {