seems we should comment DEBUG as above comment said:
"/* un-comment DEBUG to enable pr_debug() statements */"

now, pr_debug is already enabled as DEBUG been defined.

Signed-off-by: liguang <lig.f...@cn.fujitsu.com>
---
 drivers/idle/intel_idle.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 5d66750..9618586 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -51,7 +51,7 @@
  */
 
 /* un-comment DEBUG to enable pr_debug() statements */
-#define DEBUG
+/* #define DEBUG */
 
 #include <linux/kernel.h>
 #include <linux/cpuidle.h>
-- 
1.7.2.5

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