X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fbase%2Fpower%2Fmain.c;h=fdfa3d0cf6afa6f0bf2fb247f54333abfab8f1fc;hb=refs%2Fremotes%2Fvserver;hp=15e6a8f951f1dbe1c017980174c688a57e0b37b9;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 15e6a8f95..fdfa3d0cf 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -19,7 +19,6 @@
  * ancestral dependencies that the subsystem list maintains.
  */
 
-#include <linux/config.h>
 #include <linux/device.h>
 #include "power.h"
 
@@ -30,23 +29,6 @@ LIST_HEAD(dpm_off_irq);
 DECLARE_MUTEX(dpm_sem);
 DECLARE_MUTEX(dpm_list_sem);
 
-/*
- * PM Reference Counting.
- */
-
-static inline void device_pm_hold(struct device * dev)
-{
-	if (dev)
-		atomic_inc(&dev->power.pm_users);
-}
-
-static inline void device_pm_release(struct device * dev)
-{
-	if (dev)
-		atomic_dec(&dev->power.pm_users);
-}
-
-
 /**
  *	device_pm_set_parent - Specify power dependency.
  *	@dev:		Device who needs power.
@@ -62,10 +44,8 @@ static inline void device_pm_release(struct device * dev)
 
 void device_pm_set_parent(struct device * dev, struct device * parent)
 {
-	struct device * old_parent = dev->power.pm_parent;
-	device_pm_release(old_parent);
-	dev->power.pm_parent = parent;
-	device_pm_hold(parent);
+	put_device(dev->power.pm_parent);
+	dev->power.pm_parent = get_device(parent);
 }
 EXPORT_SYMBOL_GPL(device_pm_set_parent);
 
@@ -75,7 +55,6 @@ int device_pm_add(struct device * dev)
 
 	pr_debug("PM: Adding info for %s:%s\n",
 		 dev->bus ? dev->bus->name : "No Bus", dev->kobj.name);
-	atomic_set(&dev->power.pm_users, 0);
 	down(&dpm_list_sem);
 	list_add_tail(&dev->power.entry, &dpm_active);
 	device_pm_set_parent(dev, dev->parent);
@@ -91,7 +70,7 @@ void device_pm_remove(struct device * dev)
 		 dev->bus ? dev->bus->name : "No Bus", dev->kobj.name);
 	down(&dpm_list_sem);
 	dpm_sysfs_remove(dev);
-	device_pm_release(dev->power.pm_parent);
+	put_device(dev->power.pm_parent);
 	list_del_init(&dev->power.entry);
 	up(&dpm_list_sem);
 }