driver core: Add helper device_find_child_by_name()

}

EXPORT_SYMBOL_GPL(device_find_child);

/**

 * device_find_child_by_name - device iterator for locating a child device.

 * @parent: parent struct device

 * @name: name of the child device

 *

 * This is similar to the device_find_child() function above, but it

 * returns a reference to a device that has the name @name.

 *

 * NOTE: you will need to drop the reference with put_device() after use.

 */

struct device *device_find_child_by_name(struct device *parent,

					 const char *name)

{

	struct klist_iter i;

	struct device *child;

	if (!parent)

		return NULL;

	klist_iter_init(&parent->p->klist_children, &i);

	while ((child = next_device(&i)))

		if (!strcmp(dev_name(child), name) && get_device(child))

			break;

	klist_iter_exit(&i);

	return child;

}

EXPORT_SYMBOL_GPL(device_find_child_by_name);

int __init devices_init(void)

{

	devices_kset = kset_create_and_add("devices", &device_uevent_ops, NULL);

		     int (*fn)(struct device *dev, void *data));

extern struct device *device_find_child(struct device *dev, void *data,

				int (*match)(struct device *dev, void *data));

extern struct device *device_find_child_by_name(struct device *parent,

						const char *name);

extern int device_rename(struct device *dev, const char *new_name);

extern int device_move(struct device *dev, struct device *new_parent,

		       enum dpm_order dpm_order);