4 files changed, 19 insertions, 10 deletions

diff --git a/drivers/base/base.h b/drivers/base/base.h
index 0a5f055dffba..9f50f1b545dc 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -88,8 +88,6 @@ extern void driver_detach(struct device_driver *drv);
 extern int driver_probe_device(struct device_driver *drv, struct device *dev);
 
 extern void sysdev_shutdown(void);
-extern int sysdev_suspend(pm_message_t state);
-extern int sysdev_resume(void);
 
 extern char *make_class_name(const char *name, struct kobject *kobj);
 
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 315bed8d5e7f..135231239103 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -18,9 +18,11 @@
  */
 
 #include <linux/device.h>
+#include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/kthread.h>
 #include <linux/wait.h>
+#include <linux/async.h>
 
 #include "base.h"
 #include "power/power.h"
@@ -168,6 +170,21 @@ int driver_probe_done(void)
 }
 
 /**
+ * wait_for_device_probe
+ * Wait for device probing to be completed.
+ *
+ * Note: this function polls at 100 msec intervals.
+ */
+int wait_for_device_probe(void)
+{
+        /* wait for the known devices to complete their probing */
+        while (driver_probe_done() != 0)
+                msleep(100);
+        async_synchronize_full();
+        return 0;
+}
+
+/**
  * driver_probe_device - attempt to bind device & driver together
  * @drv: driver to bind a device to
  * @dev: device to try to bind to the driver
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 670c9d6c1407..2d14f4ae6c01 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -333,7 +333,6 @@ static void dpm_power_up(pm_message_t state)
  */
 void device_power_up(pm_message_t state)
 {
-        sysdev_resume();
         dpm_power_up(state);
 }
 EXPORT_SYMBOL_GPL(device_power_up);
@@ -577,8 +576,6 @@ int device_power_down(pm_message_t state)
                 }
                 dev->power.status = DPM_OFF_IRQ;
         }
-        if (!error)
-                error = sysdev_suspend(state);
         if (error)
                 dpm_power_up(resume_event(state));
         return error;
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index c98c31ec2f75..b428c8c4bc64 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -303,7 +303,6 @@ void sysdev_unregister(struct sys_device * sysdev)
  *      is guaranteed by virtue of the fact that child devices are registered
  *      after their parents.
  */
-
 void sysdev_shutdown(void)
 {
         struct sysdev_class * cls;
@@ -363,7 +362,6 @@ static void __sysdev_resume(struct sys_device *dev)
  *      This is only called by the device PM core, so we let them handle
  *      all synchronization.
  */
-
 int sysdev_suspend(pm_message_t state)
 {
         struct sysdev_class * cls;
@@ -432,7 +430,7 @@ aux_driver:
         }
         return ret;
 }
-
+EXPORT_SYMBOL_GPL(sysdev_suspend);
 
 /**
  *      sysdev_resume - Bring system devices back to life.
@@ -442,7 +440,6 @@ aux_driver:
  *
  *      Note: Interrupts are disabled when called.
  */
-
 int sysdev_resume(void)
 {
         struct sysdev_class * cls;
@@ -463,7 +460,7 @@ int sysdev_resume(void)
         }
         return 0;
 }
-
+EXPORT_SYMBOL_GPL(sysdev_resume);
 
 int __init system_bus_init(void)
 {