projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 048b9c35 AM |
1 | #include <linux/kernel.h> |
| 2 | #include <linux/module.h> | |
| 3 | #include <linux/suspend.h> | |
| 4 | ||
| 5 | #include "notifier-error-inject.h" | |
| 6 | ||
| 7 | static int priority; | |
| 8 | module_param(priority, int, 0); | |
| 9 | MODULE_PARM_DESC(priority, "specify PM notifier priority"); | |
| 10 | ||
| 11 | static struct notifier_err_inject pm_notifier_err_inject = { | |
| 12 | .actions = { | |
| 13 | { NOTIFIER_ERR_INJECT_ACTION(PM_HIBERNATION_PREPARE) }, | |
| 14 | { NOTIFIER_ERR_INJECT_ACTION(PM_SUSPEND_PREPARE) }, | |
| 15 | { NOTIFIER_ERR_INJECT_ACTION(PM_RESTORE_PREPARE) }, | |
| 16 | {} | |
| 17 | } | |
| 18 | }; | |
| 19 | ||
| 20 | static struct dentry *dir; | |
| 21 | ||
| 22 | static int err_inject_init(void) | |
| 23 | { | |
| 24 | int err; | |
| 25 | ||
| 26 | dir = notifier_err_inject_init("pm", notifier_err_inject_dir, | |
| 27 | &pm_notifier_err_inject, priority); | |
| 28 | if (IS_ERR(dir)) | |
| 29 | return PTR_ERR(dir); | |
| 30 | ||
| 31 | err = register_pm_notifier(&pm_notifier_err_inject.nb); | |
| 32 | if (err) | |
| 33 | debugfs_remove_recursive(dir); | |
| 34 | ||
| 35 | return err; | |
| 36 | } | |
| 37 | ||
| 38 | static void err_inject_exit(void) | |
| 39 | { | |
| 40 | unregister_pm_notifier(&pm_notifier_err_inject.nb); | |
| 41 | debugfs_remove_recursive(dir); | |
| 42 | } | |
| 43 | ||
| 44 | module_init(err_inject_init); | |
| 45 | module_exit(err_inject_exit); | |
| 46 | ||
| 47 | MODULE_DESCRIPTION("PM notifier error injection module"); | |
| 48 | MODULE_LICENSE("GPL"); | |
| 49 | MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>"); |