HID: usbhid: remove unused hiddev_driver

Now that hiddev_driver isn't being used for anything, there's no
reason to keep it around.  This patch (as1419) gets rid of it
entirely.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/usbhid/hid-core.c

@@ -1470,18 +1470,13 @@ static int __init hid_init(void)
 	retval = usbhid_quirks_init(quirks_param);
 	if (retval)
 		goto usbhid_quirks_init_fail;
-	retval = hiddev_init();
-	if (retval)
-		goto hiddev_init_fail;
 	retval = usb_register(&hid_driver);
 	if (retval)
 		goto usb_register_fail;
 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 
 	return 0;
 usb_register_fail:
-	hiddev_exit();
-hiddev_init_fail:
 	usbhid_quirks_exit();
 usbhid_quirks_init_fail:
 	hid_unregister_driver(&hid_usb_driver);
@@ -1494,7 +1489,6 @@ static int __init hid_init(void)
 static void __exit hid_exit(void)
 {
 	usb_deregister(&hid_driver);
-	hiddev_exit();
 	usbhid_quirks_exit();
 	hid_unregister_driver(&hid_usb_driver);
 	destroy_workqueue(resumption_waker);

drivers/hid/usbhid/hiddev.c

@@ -67,8 +67,6 @@ struct hiddev_list {
 	struct mutex thread_lock;
 };
 
-static struct usb_driver hiddev_driver;
-
 /*
  * Find a report, given the report's type and ID.  The ID can be specified
  * indirectly by REPORT_ID_FIRST (which returns the first report of the given
@@ -925,41 +923,3 @@ void hiddev_disconnect(struct hid_device *hid)
 		kfree(hiddev);
 	}
 }
-
-/* Currently this driver is a USB driver.  It's not a conventional one in
- * the sense that it doesn't probe at the USB level.  Instead it waits to
- * be connected by HID through the hiddev_connect / hiddev_disconnect
- * routines.  The reason to register as a USB device is to gain part of the
- * minor number space from the USB major.
- *
- * In theory, should the HID code be generalized to more than one physical
- * medium (say, IEEE 1384), this driver will probably need to register its
- * own major number, and in doing so, no longer need to register with USB.
- * At that point the probe routine and hiddev_driver struct below will no
- * longer be useful.
- */
-
-
-/* We never attach in this manner, and rely on HID to connect us.  This
- * is why there is no disconnect routine defined in the usb_driver either.
- */
-static int hiddev_usbd_probe(struct usb_interface *intf,
-			     const struct usb_device_id *hiddev_info)
-{
-	return -ENODEV;
-}
-
-static /* const */ struct usb_driver hiddev_driver = {
-	.name =		"hiddev",
-	.probe =	hiddev_usbd_probe,
-};
-
-int __init hiddev_init(void)
-{
-	return usb_register(&hiddev_driver);
-}
-
-void hiddev_exit(void)
-{
-	usb_deregister(&hiddev_driver);
-}

include/linux/hiddev.h

@@ -226,8 +226,6 @@ void hiddev_disconnect(struct hid_device *);
 void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
 		      struct hid_usage *usage, __s32 value);
 void hiddev_report_event(struct hid_device *hid, struct hid_report *report);
-int __init hiddev_init(void);
-void hiddev_exit(void);
 #else
 static inline int hiddev_connect(struct hid_device *hid,
 		unsigned int force)
@@ -236,8 +234,6 @@ static inline void hiddev_disconnect(struct hid_device *hid) { }
 static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
 		      struct hid_usage *usage, __s32 value) { }
 static inline void hiddev_report_event(struct hid_device *hid, struct hid_report *report) { }
-static inline int hiddev_init(void) { return 0; }
-static inline void hiddev_exit(void) { }
 #endif
 
 #endif