[PATCH 3/5] PM: Add debug printouts to async suspend and resume code paths

["Rafael J. Wysocki" <rjw@sisk.pl>]

From: Rafael J. Wysocki <rjw@sisk.pl>

Add pm_dev_dbg() to asynchronous suspend and resume code paths to
make the debugging of async suspend/resume easier.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/base/power/main.c |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-2.6/drivers/base/power/main.c
===================================================================
--- linux-2.6.orig/drivers/base/power/main.c
+++ linux-2.6/drivers/base/power/main.c
@@ -510,6 +510,7 @@ static void async_resume(void *data, asy
 	struct device *dev = (struct device *)data;
 	int error;
 
+	pm_dev_dbg(dev, pm_transition, "async ");
 	error = __device_resume(dev, pm_transition, true);
 	if (error)
 		pm_dev_err(dev, pm_transition, " async", error);
@@ -791,6 +792,7 @@ static void async_suspend(void *data, as
 	struct device *dev = (struct device *)data;
 	int error;
 
+	pm_dev_dbg(dev, pm_transition, "async ");
 	error = __device_suspend(dev, pm_transition, true);
 	if (error) {
 		pm_dev_err(dev, pm_transition, " async", error);