From 5b6e97732bf3ca8851f262f49b17f33c2d2b0b34 Mon Sep 17 00:00:00 2001
From: Karl Palsson <karlp@remake.is>
Date: Wed, 12 Mar 2014 09:40:03 +0000
Subject: [PATCH] cm0 doesn't support sync operations

So remove the warning, the sync code is already left out of the cm0
builds.

Fixes #291
---
 lib/cm3/sync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/cm3/sync.c b/lib/cm3/sync.c
index 3ab9b7e8..c4fbe6d8 100644
--- a/lib/cm3/sync.c
+++ b/lib/cm3/sync.c
@@ -27,7 +27,7 @@ void __dmb()
 
 /* Those are defined only on CM3 or CM4 */
 #if defined(__ARM_ARCH_6M__)
-#warning "sync not supported on ARMv6-M arch"
+/* no work around for cm0 */
 #else
 
 uint32_t __ldrex(volatile uint32_t *addr)