42 struct i2c_dev {  struct
53 static struct i2c_dev *i2c_dev_get_by_minor(unsigned index)  in i2c_dev_get_by_minor()  argument
55 	struct i2c_dev *i2c_dev;  in i2c_dev_get_by_minor()  local
58 	list_for_each_entry(i2c_dev, &i2c_dev_list, list) {  in i2c_dev_get_by_minor()
59 		if (i2c_dev->adap->nr == index)  in i2c_dev_get_by_minor()
62 	i2c_dev = NULL;  in i2c_dev_get_by_minor()
65 	return i2c_dev;  in i2c_dev_get_by_minor()
68 static struct i2c_dev *get_free_i2c_dev(struct i2c_adapter *adap)  in get_free_i2c_dev()
70 	struct i2c_dev *i2c_dev;  in get_free_i2c_dev()  local
77 	i2c_dev = kzalloc(sizeof(*i2c_dev), GFP_KERNEL);  in get_free_i2c_dev()
78 	if (!i2c_dev)  in get_free_i2c_dev()
80 	i2c_dev->adap = adap;  in get_free_i2c_dev()
83 	list_add_tail(&i2c_dev->list, &i2c_dev_list);  in get_free_i2c_dev()
85 	return i2c_dev;  in get_free_i2c_dev()
88 static void put_i2c_dev(struct i2c_dev *i2c_dev, bool del_cdev)  in put_i2c_dev()  argument
91 	list_del(&i2c_dev->list);  in put_i2c_dev()
94 		cdev_device_del(&i2c_dev->cdev, &i2c_dev->dev);  in put_i2c_dev()
95 	put_device(&i2c_dev->dev);  in put_i2c_dev()
101 	struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(dev->devt));  in name_show()  local
103 	if (!i2c_dev)  in name_show()
105 	return sysfs_emit(buf, "%s\n", i2c_dev->adap->name);  in name_show()
657 	struct i2c_dev *i2c_dev;  in i2cdev_dev_release()  local
659 	i2c_dev = container_of(dev, struct i2c_dev, dev);  in i2cdev_dev_release()
660 	kfree(i2c_dev);  in i2cdev_dev_release()
666 	struct i2c_dev *i2c_dev;  in i2cdev_attach_adapter()  local
673 	i2c_dev = get_free_i2c_dev(adap);  in i2cdev_attach_adapter()
674 	if (IS_ERR(i2c_dev))  in i2cdev_attach_adapter()
677 	cdev_init(&i2c_dev->cdev, &i2cdev_fops);  in i2cdev_attach_adapter()
678 	i2c_dev->cdev.owner = THIS_MODULE;  in i2cdev_attach_adapter()
680 	device_initialize(&i2c_dev->dev);  in i2cdev_attach_adapter()
681 	i2c_dev->dev.devt = MKDEV(I2C_MAJOR, adap->nr);  in i2cdev_attach_adapter()
682 	i2c_dev->dev.class = &i2c_dev_class;  in i2cdev_attach_adapter()
683 	i2c_dev->dev.parent = &adap->dev;  in i2cdev_attach_adapter()
684 	i2c_dev->dev.release = i2cdev_dev_release;  in i2cdev_attach_adapter()
686 	res = dev_set_name(&i2c_dev->dev, "i2c-%d", adap->nr);  in i2cdev_attach_adapter()
690 	res = cdev_device_add(&i2c_dev->cdev, &i2c_dev->dev);  in i2cdev_attach_adapter()
698 	put_i2c_dev(i2c_dev, false);  in i2cdev_attach_adapter()
705 	struct i2c_dev *i2c_dev;  in i2cdev_detach_adapter()  local
711 	i2c_dev = i2c_dev_get_by_minor(adap->nr);  in i2cdev_detach_adapter()
712 	if (!i2c_dev) /* attach_adapter must have failed */  in i2cdev_detach_adapter()
715 	put_i2c_dev(i2c_dev, true);  in i2cdev_detach_adapter()