{
return read_port(dev, attr, buf, 0, CYPRESS_READ_PORT_ID0);
}
+static DEVICE_ATTR_RW(port0);
/* attribute callback handler (read) */
static ssize_t port1_show(struct device *dev,
{
return read_port(dev, attr, buf, 1, CYPRESS_READ_PORT_ID1);
}
-
-static DEVICE_ATTR_RW(port0);
-
static DEVICE_ATTR_RW(port1);
+static struct attribute *cypress_attrs[] = {
+ &dev_attr_port0.attr,
+ &dev_attr_port1.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(cypress);
static int cypress_probe(struct usb_interface *interface,
const struct usb_device_id *id)
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
- /* create device attribute files */
- retval = device_create_file(&interface->dev, &dev_attr_port0);
- if (retval)
- goto error;
- retval = device_create_file(&interface->dev, &dev_attr_port1);
- if (retval)
- goto error;
-
/* let the user know that the device is now attached */
dev_info(&interface->dev,
"Cypress CY7C63xxx device now attached\n");
return 0;
-error:
- device_remove_file(&interface->dev, &dev_attr_port0);
- device_remove_file(&interface->dev, &dev_attr_port1);
- usb_set_intfdata(interface, NULL);
- usb_put_dev(dev->udev);
- kfree(dev);
-
error_mem:
return retval;
}
dev = usb_get_intfdata(interface);
- /* remove device attribute files */
- device_remove_file(&interface->dev, &dev_attr_port0);
- device_remove_file(&interface->dev, &dev_attr_port1);
/* the intfdata can be set to NULL only after the
* device files have been removed */
usb_set_intfdata(interface, NULL);
.probe = cypress_probe,
.disconnect = cypress_disconnect,
.id_table = cypress_table,
+ .dev_groups = cypress_groups,
};
module_usb_driver(cypress_driver);