diff --git a/ChangeLog b/ChangeLog
index 9c1392b5541..172e9f9317e 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -9577,3 +9577,7 @@
 	  Create a skeleton local_netpoll (2015-01-30).
 	* net/socket/net_poll.c and tcp/tcp_netpoll.c: Separate TCP poll logic
 	  out of net_poll.c and move it into the new tcp_netpoll.c (2015-01-30).
+	* arch/arm/src/efm32/efm32_clockconfig.c: Logic to unconditionally enable
+	  LE clocking. Even you don't use core clock LE as source for LFA or LFB,
+	  to read are write any register not clocked by HFPERCLK or HFCORECLK,
+	  HFCORECLKLE should be enabled.  From Pierre-noel Bouteville (2015-01-30).