C++ (Cpp) ccw_device_set_offlineの例

コード例 #1

ファイル: ccwgroup.c プロジェクト: 3null/fastsocket

/**
 * ccwgroup_remove_ccwdev() - remove function for slave devices
 * @cdev: ccw device to be removed
 *
 * This is a remove function for ccw devices that are slave devices in a ccw
 * group device. It sets the ccw device offline and also deregisters the
 * embedding ccw group device.
 */
void ccwgroup_remove_ccwdev(struct ccw_device *cdev)
{
	struct ccwgroup_device *gdev;

	/* Ignore offlining errors, device is gone anyway. */
	ccw_device_set_offline(cdev);
	/* If one of its devices is gone, the whole group is done for. */
	spin_lock_irq(cdev->ccwlock);
	gdev = dev_get_drvdata(&cdev->dev);
	if (!gdev) {
		spin_unlock_irq(cdev->ccwlock);
		return;
	}
	/* Get ccwgroup device reference for local processing. */
	get_device(&gdev->dev);
	spin_unlock_irq(cdev->ccwlock);
	/* Unregister group device. */
	mutex_lock(&gdev->reg_mutex);
	if (device_is_registered(&gdev->dev)) {
		__ccwgroup_remove_symlinks(gdev);
		device_unregister(&gdev->dev);
		__ccwgroup_remove_cdev_refs(gdev);
	}
	mutex_unlock(&gdev->reg_mutex);
	/* Release ccwgroup device reference for local processing. */
	put_device(&gdev->dev);
}

コード例 #2

static void raw3215_remove (struct ccw_device *cdev)
{
	struct raw3215_info *raw;

	ccw_device_set_offline(cdev);
	raw = dev_get_drvdata(&cdev->dev);
	if (raw) {
		dev_set_drvdata(&cdev->dev, NULL);
		kfree(raw->buffer);
		kfree(raw);
	}
}

コード例 #3

ファイル: con3215.c プロジェクト: miettal/armadillo420_standard

static void
raw3215_remove (struct ccw_device *cdev)
{
	struct raw3215_info *raw;

	ccw_device_set_offline(cdev);
	raw = cdev->dev.driver_data;
	if (raw) {
		cdev->dev.driver_data = NULL;
		kfree(raw->buffer);
		kfree(raw);
	}
}

コード例 #4

/**
 * ccwgroup_remove_ccwdev() - remove function for slave devices
 * @cdev: ccw device to be removed
 *
 * This is a remove function for ccw devices that are slave devices in a ccw
 * group device. It sets the ccw device offline and also deregisters the
 * embedding ccw group device.
 */
void ccwgroup_remove_ccwdev(struct ccw_device *cdev)
{
	struct ccwgroup_device *gdev;

	/* Ignore offlining errors, device is gone anyway. */
	ccw_device_set_offline(cdev);
	/* If one of its devices is gone, the whole group is done for. */
	gdev = __ccwgroup_get_gdev_by_cdev(cdev);
	if (gdev) {
		__ccwgroup_remove_symlinks(gdev);
		device_unregister(&gdev->dev);
		mutex_unlock(&gdev->reg_mutex);
		put_device(&gdev->dev);
	}
}

コード例 #5

ファイル: con3215.c プロジェクト: spacex/kernel-centos7

static void raw3215_remove (struct ccw_device *cdev)
{
	struct raw3215_info *raw;
	unsigned int line;

	ccw_device_set_offline(cdev);
	raw = dev_get_drvdata(&cdev->dev);
	if (raw) {
		spin_lock(&raw3215_device_lock);
		for (line = 0; line < NR_3215; line++)
			if (raw3215[line] == raw)
				break;
		raw3215[line] = NULL;
		spin_unlock(&raw3215_device_lock);
		dev_set_drvdata(&cdev->dev, NULL);
		raw3215_free_info(raw);
	}
}