struct list_head *entry;
struct dmabounce_device_info *d;
find_dmabounce_dev(struct device *dev){	struct list_head *entry;	list_for_each(entry, &dmabounce_devs) {		struct dmabounce_device_info *d =			list_entry(entry, struct dmabounce_device_info, node);		if (d->dev == dev)			return d;	}	return NULL;}