diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig
index 5406c23..caa9ae1 100644
--- a/arch/arm/configs/mxs_defconfig
+++ b/arch/arm/configs/mxs_defconfig
@@ -111,6 +111,7 @@ CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=m
 CONFIG_DMADEVICES=y
 CONFIG_MXS_DMA=y
+CONFIG_COMMON_CLK_DEBUG=y
 CONFIG_EXT3_FS=y
 # CONFIG_DNOTIFY is not set
 CONFIG_FSCACHE=m