C++ (Cpp) watchdog_register_pretimeout Examples

Example #1

File: watchdog_dev.c Project: AshishNamdev/linux

int watchdog_dev_register(struct watchdog_device *wdd)
{
	struct device *dev;
	dev_t devno;
	int ret;

	devno = MKDEV(MAJOR(watchdog_devt), wdd->id);

	ret = watchdog_cdev_register(wdd, devno);
	if (ret)
		return ret;

	dev = device_create_with_groups(&watchdog_class, wdd->parent,
					devno, wdd, wdd->groups,
					"watchdog%d", wdd->id);
	if (IS_ERR(dev)) {
		watchdog_cdev_unregister(wdd);
		return PTR_ERR(dev);
	}

	ret = watchdog_register_pretimeout(wdd);
	if (ret) {
		device_destroy(&watchdog_class, devno);
		watchdog_cdev_unregister(wdd);
	}

	return ret;
}

Example #2

File: watchdog_dev.c Project: avagin/linux

int watchdog_dev_register(struct watchdog_device *wdd)
{
	struct device *dev;
	dev_t devno;
	int ret;

	devno = MKDEV(MAJOR(watchdog_devt), wdd->id);

	ret = watchdog_cdev_register(wdd, devno);
	if (ret)
		return ret;

	dev = device_create_with_groups(&watchdog_class, wdd->parent,
					devno, wdd, wdd->groups,
					"watchdog%d", wdd->id);
	if (IS_ERR(dev)) {
		watchdog_cdev_unregister(wdd);
		return PTR_ERR(dev);
	}

	ret = watchdog_register_pretimeout(wdd);
	if (ret) {
		device_destroy(&watchdog_class, devno);
		watchdog_cdev_unregister(wdd);
		return ret;
	}

	if (test_bit(WDOG_STOP_ON_REBOOT, &wdd->status)) {
		wdd->reboot_nb.notifier_call = watchdog_reboot_notifier;

		ret = devm_register_reboot_notifier(dev, &wdd->reboot_nb);
		if (ret) {
			pr_err("watchdog%d: Cannot register reboot notifier (%d)\n",
			       wdd->id, ret);
			watchdog_dev_unregister(wdd);
		}
	}

	return ret;
}