X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fpower%2Fpm.c;h=84063ac8fcfc95bd15d56dc6778ec45bb503aa43;hb=f05472f10db38ac5a1ac3f1fa469510471152561;hp=159149321b3c2adb4dcf20372ada8edb2a098c7a;hpb=f7402dc44d617be807e7184c6c624611b2d35b4e;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/power/pm.c b/kernel/power/pm.c
index 159149321b3..84063ac8fcf 100644
--- a/kernel/power/pm.c
+++ b/kernel/power/pm.c
@@ -23,7 +23,9 @@
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/interrupt.h>
+#include <linux/mutex.h>
 
 int pm_active;
 
@@ -39,7 +41,7 @@ int pm_active;
  *	until a resume but that will be fine.
  */
  
-static DECLARE_MUTEX(pm_devs_lock);
+static DEFINE_MUTEX(pm_devs_lock);
 static LIST_HEAD(pm_devs);
 
 /**
@@ -66,32 +68,13 @@ struct pm_dev *pm_register(pm_dev_t type,
 		dev->id = id;
 		dev->callback = callback;
 
-		down(&pm_devs_lock);
+		mutex_lock(&pm_devs_lock);
 		list_add(&dev->entry, &pm_devs);
-		up(&pm_devs_lock);
+		mutex_unlock(&pm_devs_lock);
 	}
 	return dev;
 }
 
-/**
- *	pm_unregister -  unregister a device with power management
- *	@dev: device to unregister
- *
- *	Remove a device from the power management notification lists. The
- *	dev passed must be a handle previously returned by pm_register.
- */
- 
-void pm_unregister(struct pm_dev *dev)
-{
-	if (dev) {
-		down(&pm_devs_lock);
-		list_del(&dev->entry);
-		up(&pm_devs_lock);
-
-		kfree(dev);
-	}
-}
-
 static void __pm_unregister(struct pm_dev *dev)
 {
 	if (dev) {
@@ -117,7 +100,7 @@ void pm_unregister_all(pm_callback callback)
 	if (!callback)
 		return;
 
-	down(&pm_devs_lock);
+	mutex_lock(&pm_devs_lock);
 	entry = pm_devs.next;
 	while (entry != &pm_devs) {
 		struct pm_dev *dev = list_entry(entry, struct pm_dev, entry);
@@ -125,7 +108,7 @@ void pm_unregister_all(pm_callback callback)
 		if (dev->callback == callback)
 			__pm_unregister(dev);
 	}
-	up(&pm_devs_lock);
+	mutex_unlock(&pm_devs_lock);
 }
 
 /**
@@ -233,7 +216,7 @@ int pm_send_all(pm_request_t rqst, void *data)
 {
 	struct list_head *entry;
 	
-	down(&pm_devs_lock);
+	mutex_lock(&pm_devs_lock);
 	entry = pm_devs.next;
 	while (entry != &pm_devs) {
 		struct pm_dev *dev = list_entry(entry, struct pm_dev, entry);
@@ -245,18 +228,17 @@ int pm_send_all(pm_request_t rqst, void *data)
 				 */
 				if (rqst == PM_SUSPEND)
 					pm_undo_all(dev);
-				up(&pm_devs_lock);
+				mutex_unlock(&pm_devs_lock);
 				return status;
 			}
 		}
 		entry = entry->next;
 	}
-	up(&pm_devs_lock);
+	mutex_unlock(&pm_devs_lock);
 	return 0;
 }
 
 EXPORT_SYMBOL(pm_register);
-EXPORT_SYMBOL(pm_unregister);
 EXPORT_SYMBOL(pm_unregister_all);
 EXPORT_SYMBOL(pm_send_all);
 EXPORT_SYMBOL(pm_active);