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-rw-r--r--drivers/base/power/trace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c
index b11f47a1e819..2bd9d2c744ca 100644
--- a/drivers/base/power/trace.c
+++ b/drivers/base/power/trace.c
@@ -7,6 +7,8 @@
* devices may be working.
*/
+#define pr_fmt(fmt) "PM: " fmt
+
#include <linux/pm-trace.h>
#include <linux/export.h>
#include <linux/rtc.h>