diff --git a/ChangeLog b/ChangeLog
index ce7daaffaf3..59cea52f447 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -11038,3 +11038,5 @@
 	  Carvalho de Assis (2015-10-18).
 	* configs/stm32f4discovery/src: Add board config to support MAX6675.
 	  From Alan Carvalho de Assis (2015-10-18).
+	* arch/arm/src/samv7/sam_lowputc.c: Reconfigure System I/O when using
+	  USART1.  From Frank Benkert (2015-10-20).
diff --git a/arch b/arch
index 95de2780757..6103907149f 160000
--- a/arch
+++ b/arch
@@ -1 +1 @@
-Subproject commit 95de278075782769e147e1fd343f68443829e627
+Subproject commit 6103907149f11534550f840a72c8aec0379feeb5