2 files changed, 19 insertions, 1 deletions

diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile
index c0219ad94aca..ceeeba2c56c7 100644
--- a/drivers/base/power/Makefile
+++ b/drivers/base/power/Makefile
@@ -4,3 +4,6 @@ obj-$(CONFIG_PM)	+= main.o suspend.o resume.o runtime.o sysfs.o
 ifeq ($(CONFIG_DEBUG_DRIVER),y)
 EXTRA_CFLAGS += -DDEBUG
 endif
+ifeq ($(CONFIG_PM_DEBUG),y)
+EXTRA_CFLAGS += -DDEBUG
+endif
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c
index 2a769cc6f5f9..1a1fe43a3057 100644
--- a/drivers/base/power/suspend.c
+++ b/drivers/base/power/suspend.c
@@ -29,6 +29,15 @@
  * lists. This way, the ancestors will be accessed before their descendents.
  */
 
+static inline char *suspend_verb(u32 event)
+{
+        switch (event) {
+        case PM_EVENT_SUSPEND:  return "suspend";
+        case PM_EVENT_FREEZE:   return "freeze";
+        default:                return "(unknown suspend event)";
+        }
+}
+
 
 /**
  *      suspend_device - Save state of one device.
@@ -57,7 +66,13 @@ int suspend_device(struct device * dev, pm_message_t state)
         dev->power.prev_state = dev->power.power_state;
 
         if (dev->bus && dev->bus->suspend && !dev->power.power_state.event) {
-                dev_dbg(dev, "suspending\n");
+                dev_dbg(dev, "%s%s\n",
+                        suspend_verb(state.event),
+                        ((state.event == PM_EVENT_SUSPEND)
+                                        && device_may_wakeup(dev))
+                                ? ", may wakeup"
+                                : ""
+                        );
                 error = dev->bus->suspend(dev, state);
                 suspend_report_result(dev->bus->suspend, error);
         }