Add devm_register_restart_handler() helper that registers sys-off handler using restart mode and with a default priority. Most drivers will want to register restart handler with a default priority, so this helper will reduce the boilerplate code and make code easier to read and follow.
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| @@ -484,6 +484,28 @@ int devm_register_power_off_handler(struct device *dev, · 483 unmodified lines | |||
| 484 | } | 484 | } |
| 485 | EXPORT_SYMBOL_GPL(devm_register_power_off_handler); | 485 | EXPORT_SYMBOL_GPL(devm_register_power_off_handler); |
| 486 | 486 | ||
| 487 | /** | ||
| 488 | * devm_register_restart_handler - Register restart handler | ||
| 489 | * @dev: Device that registers callback | ||
| 490 | * @callback: Callback function | ||
| 491 | * @cb_data: Callback's argument | ||
| 492 | * | ||
| 493 | * Registers resource-managed sys-off handler with a default priority | ||
| 494 | * and using restart mode. | ||
| 495 | * | ||
| 496 | * Returns zero on success, or error code on failure. | ||
| 497 | */ | ||
| 498 | int devm_register_restart_handler(struct device *dev, | ||
| 499 | int (*callback)(struct sys_off_data *data), | ||
| 500 | void *cb_data) | ||
| 501 | { | ||
| 502 | return devm_register_sys_off_handler(dev, | ||
| 503 | SYS_OFF_MODE_RESTART, | ||
| 504 | SYS_OFF_PRIO_DEFAULT, | ||
| 505 | callback, cb_data); | ||
| 506 | } | ||
| 507 | EXPORT_SYMBOL_GPL(devm_register_restart_handler); | ||
| 508 | |||
| 487 | static struct sys_off_handler *platform_power_off_handler; | 509 | static struct sys_off_handler *platform_power_off_handler; |
| 488 | 510 | ||
| 489 | static int platform_power_off_notify(struct sys_off_data *data) | 511 | static int platform_power_off_notify(struct sys_off_data *data) |