Commit 71ccd42c authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds

[PATCH] remove pm_find, unexport pm_send

cutting back some unused legacy PM code
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 733902e4
......@@ -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) {}
......
......@@ -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);
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