diff options
Diffstat (limited to 'kernel/power/pm.c')
| -rw-r--r-- | kernel/power/pm.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/kernel/power/pm.c b/kernel/power/pm.c index 84063ac8fcfc..c50d15266c10 100644 --- a/kernel/power/pm.c +++ b/kernel/power/pm.c | |||
| @@ -75,42 +75,6 @@ struct pm_dev *pm_register(pm_dev_t type, | |||
| 75 | return dev; | 75 | return dev; |
| 76 | } | 76 | } |
| 77 | 77 | ||
| 78 | static void __pm_unregister(struct pm_dev *dev) | ||
| 79 | { | ||
| 80 | if (dev) { | ||
| 81 | list_del(&dev->entry); | ||
| 82 | kfree(dev); | ||
| 83 | } | ||
| 84 | } | ||
| 85 | |||
| 86 | /** | ||
| 87 | * pm_unregister_all - unregister all devices with matching callback | ||
| 88 | * @callback: callback function pointer | ||
| 89 | * | ||
| 90 | * Unregister every device that would call the callback passed. This | ||
| 91 | * is primarily meant as a helper function for loadable modules. It | ||
| 92 | * enables a module to give up all its managed devices without keeping | ||
| 93 | * its own private list. | ||
| 94 | */ | ||
| 95 | |||
| 96 | void pm_unregister_all(pm_callback callback) | ||
| 97 | { | ||
| 98 | struct list_head *entry; | ||
| 99 | |||
| 100 | if (!callback) | ||
| 101 | return; | ||
| 102 | |||
| 103 | mutex_lock(&pm_devs_lock); | ||
| 104 | entry = pm_devs.next; | ||
| 105 | while (entry != &pm_devs) { | ||
| 106 | struct pm_dev *dev = list_entry(entry, struct pm_dev, entry); | ||
| 107 | entry = entry->next; | ||
| 108 | if (dev->callback == callback) | ||
| 109 | __pm_unregister(dev); | ||
| 110 | } | ||
| 111 | mutex_unlock(&pm_devs_lock); | ||
| 112 | } | ||
| 113 | |||
| 114 | /** | 78 | /** |
| 115 | * pm_send - send request to a single device | 79 | * pm_send - send request to a single device |
| 116 | * @dev: device to send to | 80 | * @dev: device to send to |
| @@ -239,7 +203,6 @@ int pm_send_all(pm_request_t rqst, void *data) | |||
| 239 | } | 203 | } |
| 240 | 204 | ||
| 241 | EXPORT_SYMBOL(pm_register); | 205 | EXPORT_SYMBOL(pm_register); |
| 242 | EXPORT_SYMBOL(pm_unregister_all); | ||
| 243 | EXPORT_SYMBOL(pm_send_all); | 206 | EXPORT_SYMBOL(pm_send_all); |
| 244 | EXPORT_SYMBOL(pm_active); | 207 | EXPORT_SYMBOL(pm_active); |
| 245 | 208 | ||
