[PATCH] remove pm_find, unexport pm_send

cutting back some unused legacy PM code

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 7bfd2d43963e09989fa2a692e556e1c04343546b..6446e4f65e933686d2c29ff52f5ce9c5b26931ba 100644 (file)
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -143,11 +143,6 @@ int pm_send(struct pm_dev *dev, pm_request_t rqst, void *data);
  */
 int pm_send_all(pm_request_t rqst, void *data);
 
-/*
- * Find a device
- */
-struct pm_dev *pm_find(pm_dev_t type, struct pm_dev *from);
-
 static inline void pm_access(struct pm_dev *dev) {}
 static inline void pm_dev_idle(struct pm_dev *dev) {}
 

diff --git a/kernel/power/pm.c b/kernel/power/pm.c
index d1bc943072d409cc1a488dde441bd4160c05114a..8fca5822a80776eb69b41751e52ae5c6d826c5b9 100644 (file)
--- a/kernel/power/pm.c
+++ b/kernel/power/pm.c
@@ -256,41 +256,10 @@ int pm_send_all(pm_request_t rqst, void *data)
        return 0;
 }
 
-/**
- *     pm_find  - find a device
- *     @type: type of device
- *     @from: where to start looking
- *
- *     Scan the power management list for devices of a specific type. The
- *     return value for a matching device may be passed to further calls
- *     to this function to find further matches. A %NULL indicates the end
- *     of the list. 
- *
- *     To search from the beginning pass %NULL as the @from value.
- *
- *     The caller MUST hold the pm_devs_lock lock when calling this 
- *     function. The instant that the lock is dropped all pointers returned
- *     may become invalid.
- */
- 
-struct pm_dev *pm_find(pm_dev_t type, struct pm_dev *from)
-{
-       struct list_head *entry = from ? from->entry.next:pm_devs.next;
-       while (entry != &pm_devs) {
-               struct pm_dev *dev = list_entry(entry, struct pm_dev, entry);
-               if (type == PM_UNKNOWN_DEV || dev->type == type)
-                       return dev;
-               entry = entry->next;
-       }
-       return NULL;
-}
-
 EXPORT_SYMBOL(pm_register);
 EXPORT_SYMBOL(pm_unregister);
 EXPORT_SYMBOL(pm_unregister_all);
-EXPORT_SYMBOL(pm_send);
 EXPORT_SYMBOL(pm_send_all);
-EXPORT_SYMBOL(pm_find);
 EXPORT_SYMBOL(pm_active);