include/linux/device.h

58 	void		(*dev_release)(struct device *dev);
59 	char *		(*devnode)(struct device *dev, umode_t *mode);
68 	void		(*release)(struct device *dev);
129 #define	dev_err(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
130 #define	dev_warn(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
131 #define	dev_info(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
132 #define	dev_notice(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
133 #define	dev_printk(lvl, dev, fmt, ...)					\
134 	    device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
137 dev_get_drvdata(const struct device *dev)
140 	return dev->driver_data;
144 dev_set_drvdata(struct device *dev, void *data)
147 	dev->driver_data = data;
151 get_device(struct device *dev)
154 	if (dev)
155 		kobject_get(&dev->kobj);
157 	return (dev);
161 dev_name(const struct device *dev)
164  	return kobject_name(&dev->kobj);
171 put_device(struct device *dev)
174 	if (dev)
175 		kobject_put(&dev->kobj);
208 device_initialize(struct device *dev)
213 	if (dev->devt) {
214 		int unit = MINOR(dev->devt);
215 		bsddev = devclass_get_device(dev->class->bsdclass, unit);
218 		device_set_softc(bsddev, dev);
220 	dev->bsddev = bsddev;
221 	kobject_init(&dev->kobj, &linux_dev_ktype);
225 device_add(struct device *dev)
227 	if (dev->bsddev != NULL) {
228 		if (dev->devt == 0)
229 			dev->devt = makedev(0, device_get_unit(dev->bsddev));
231 	kobject_add(&dev->kobj, &dev->class->kobj, dev_name(dev));
236 device_create_release(struct device *dev)
238 	kfree(dev);
246 	struct device *dev = NULL;
252 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
253 	if (!dev) {
258 	device_initialize(dev);
259 	dev->devt = devt;
260 	dev->class = class;
261 	dev->parent = parent;
262 	dev->groups = groups;
263 	dev->release = device_create_release;
264 	dev->bsddev = devclass_get_device(dev->class->bsdclass, MINOR(devt));
265 	dev_set_drvdata(dev, drvdata);
267 	retval = kobject_set_name_vargs(&dev->kobj, fmt, args);
271 	retval = device_add(dev);
275 	return dev;
278 	put_device(dev);
288 	struct device *dev;
291 	dev = device_create_groups_vargs(class, parent, devt, drvdata,
294 	return dev;
298 device_register(struct device *dev)
306 	if (dev->devt) {
307 		unit = MINOR(dev->devt);
308 		bsddev = devclass_get_device(dev->class->bsdclass, unit);
309 	} else if (dev->parent == NULL) {
310 		bsddev = devclass_get_device(dev->class->bsdclass, 0);
312 	if (bsddev == NULL && dev->parent != NULL) {
313 		bsddev = device_add_child(dev->parent->bsddev,
314 		    dev->class->kobj.name, unit);
317 		if (dev->devt == 0)
318 			dev->devt = makedev(0, device_get_unit(bsddev));
319 		device_set_softc(bsddev, dev);
321 	dev->bsddev = bsddev;
322 	kobject_init(&dev->kobj, &linux_dev_ktype);
323 	kobject_add(&dev->kobj, &dev->class->kobj, dev_name(dev));
329 device_unregister(struct device *dev)
333 	bsddev = dev->bsddev;
334 	dev->bsddev = NULL;
341 	put_device(dev);
345 device_del(struct device *dev)
349 	bsddev = dev->bsddev;
350 	dev->bsddev = NULL;
410 device_create_file(struct device *dev, const struct device_attribute *attr)
413 	if (dev)
414 		return sysfs_create_file(&dev->kobj, &attr->attr);
419 device_remove_file(struct device *dev, const struct device_attribute *attr)
422 	if (dev)
423 		sysfs_remove_file(&dev->kobj, &attr->attr);
444 dev_to_node(struct device *dev)