4 files changed, 27 insertions, 3 deletions

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index bbbb973a9d3c..05dc8764e765 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -29,6 +29,9 @@ LIST_HEAD(dpm_off_irq);
 DECLARE_MUTEX(dpm_sem);
 DECLARE_MUTEX(dpm_list_sem);
 
+int (*platform_enable_wakeup)(struct device *dev, int is_on);
+
+
 /**
  *	device_pm_set_parent - Specify power dependency.
  *	@dev:		Device who needs power.
diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c
index 020be36705a6..a2c64188d713 100644
--- a/drivers/base/power/resume.c
+++ b/drivers/base/power/resume.c
@@ -26,7 +26,9 @@ int resume_device(struct device * dev)
 
 	TRACE_DEVICE(dev);
 	TRACE_RESUME(0);
+
 	down(&dev->sem);
+
 	if (dev->power.pm_parent
 			&& dev->power.pm_parent->power.power_state.event) {
 		dev_err(dev, "PM: resume from %d, parent %s still %d\n",
@@ -34,15 +36,24 @@ int resume_device(struct device * dev)
 			dev->power.pm_parent->bus_id,
 			dev->power.pm_parent->power.power_state.event);
 	}
+
 	if (dev->bus && dev->bus->resume) {
 		dev_dbg(dev,"resuming\n");
 		error = dev->bus->resume(dev);
 	}
-	if (dev->class && dev->class->resume) {
+
+	if (!error && dev->type && dev->type->resume) {
+		dev_dbg(dev,"resuming\n");
+		error = dev->type->resume(dev);
+	}
+
+	if (!error && dev->class && dev->class->resume) {
 		dev_dbg(dev,"class resume\n");
 		error = dev->class->resume(dev);
 	}
+
 	up(&dev->sem);
+
 	TRACE_RESUME(error);
 	return error;
 }
diff --git a/drivers/base/power/shutdown.c b/drivers/base/power/shutdown.c
index 3483ae4d57f5..58b6f77a1b34 100644
--- a/drivers/base/power/shutdown.c
+++ b/drivers/base/power/shutdown.c
@@ -36,7 +36,6 @@ void device_shutdown(void)
 {
 	struct device * dev, *devn;
 
-	down_write(&devices_subsys.rwsem);
 	list_for_each_entry_safe_reverse(dev, devn, &devices_subsys.kset.list,
 				kobj.entry) {
 		if (dev->bus && dev->bus->shutdown) {
@@ -47,7 +46,6 @@ void device_shutdown(void)
 			dev->driver->shutdown(dev);
 		}
 	}
-	up_write(&devices_subsys.rwsem);
 
 	sysdev_shutdown();
 }
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c
index ece136bf97e3..42d2b86ba765 100644
--- a/drivers/base/power/suspend.c
+++ b/drivers/base/power/suspend.c
@@ -78,6 +78,18 @@ int suspend_device(struct device * dev, pm_message_t state)
 		suspend_report_result(dev->class->suspend, error);
 	}
 
+	if (!error && dev->type && dev->type->suspend && !dev->power.power_state.event) {
+		dev_dbg(dev, "%s%s\n",
+			suspend_verb(state.event),
+			((state.event == PM_EVENT_SUSPEND)
+					&& device_may_wakeup(dev))
+				? ", may wakeup"
+				: ""
+			);
+		error = dev->type->suspend(dev, state);
+		suspend_report_result(dev->type->suspend, error);
+	}
+
 	if (!error && dev->bus && dev->bus->suspend && !dev->power.power_state.event) {
 		dev_dbg(dev, "%s%s\n",
 			suspend_verb(state.event),