diff --git a/ChangeLog b/ChangeLog
index 6baf77ffa5..eeac48ce5d 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -11197,4 +11197,6 @@
 	  registration with CONFIG_FS_PROCFS_REGISTER=y (2015-12-01).
 	* arch/arm/src/samv7/sam_tc.c:  Port the SAMA5 timer/counter driver
 	  to the SAMV7 (2015-12-02).
+	* arm/arm/src/samv7/sam_tickless.c:  Port the SAMA5/SAM4CM tickless
+	  logic to the SAMV7 (2015-12-02).
 
diff --git a/arch b/arch
index 446bc602bb..c61c3b4e89 160000
--- a/arch
+++ b/arch
@@ -1 +1 @@
-Subproject commit 446bc602bbe82a47907f6125779ce15507a0d527
+Subproject commit c61c3b4e896eb9471399cfb287b4d6ea965ba9b4