1 files changed, 0 insertions, 151 deletions
diff --git a/drivers/staging/comedi/comedi_usb.c b/drivers/staging/comedi/comedi_usb.c
deleted file mode 100644
index eea8ebf32ed0..000000000000
--- a/drivers/staging/comedi/comedi_usb.c
+++ /dev/null
@@ -1,151 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * comedi_usb.c
- * Comedi USB driver specific functions.
- *
- * COMEDI - Linux Control and Measurement Device Interface
- * Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
- */
-
-#include <linux/module.h>
-
-#include "comedi_usb.h"
-
-/**
- * comedi_to_usb_interface() - Return USB interface attached to COMEDI device
- * @dev: COMEDI device.
- *
- * Assuming @dev->hw_dev is non-%NULL, it is assumed to be pointing to a
- * a &struct device embedded in a &struct usb_interface.
- *
- * Return: Attached USB interface if @dev->hw_dev is non-%NULL.
- * Return %NULL if @dev->hw_dev is %NULL.
- */
-struct usb_interface *comedi_to_usb_interface(struct comedi_device *dev)
-{
-	return dev->hw_dev ? to_usb_interface(dev->hw_dev) : NULL;
-}
-EXPORT_SYMBOL_GPL(comedi_to_usb_interface);
-
-/**
- * comedi_to_usb_dev() - Return USB device attached to COMEDI device
- * @dev: COMEDI device.
- *
- * Assuming @dev->hw_dev is non-%NULL, it is assumed to be pointing to a
- * a &struct device embedded in a &struct usb_interface.
- *
- * Return: USB device to which the USB interface belongs if @dev->hw_dev is
- * non-%NULL.  Return %NULL if @dev->hw_dev is %NULL.
- */
-struct usb_device *comedi_to_usb_dev(struct comedi_device *dev)
-{
-	struct usb_interface *intf = comedi_to_usb_interface(dev);
-
-	return intf ? interface_to_usbdev(intf) : NULL;
-}
-EXPORT_SYMBOL_GPL(comedi_to_usb_dev);
-
-/**
- * comedi_usb_auto_config() - Configure/probe a USB COMEDI driver
- * @intf: USB interface.
- * @driver: Registered COMEDI driver.
- * @context: Driver specific data, passed to comedi_auto_config().
- *
- * Typically called from the usb_driver (*probe) function.  Auto-configure a
- * COMEDI device, using a pointer to the &struct device embedded in *@intf as
- * the hardware device.  The @context value gets passed through to @driver's
- * "auto_attach" handler.  The "auto_attach" handler may call
- * comedi_to_usb_interface() on the passed in COMEDI device to recover @intf.
- *
- * Return: The result of calling comedi_auto_config() (%0 on success, or
- * a negative error number on failure).
- */
-int comedi_usb_auto_config(struct usb_interface *intf,
-			   struct comedi_driver *driver,
-			   unsigned long context)
-{
-	return comedi_auto_config(&intf->dev, driver, context);
-}
-EXPORT_SYMBOL_GPL(comedi_usb_auto_config);
-
-/**
- * comedi_usb_auto_unconfig() - Unconfigure/disconnect a USB COMEDI device
- * @intf: USB interface.
- *
- * Typically called from the usb_driver (*disconnect) function.
- * Auto-unconfigure a COMEDI device attached to this USB interface, using a
- * pointer to the &struct device embedded in *@intf as the hardware device.
- * The COMEDI driver's "detach" handler will be called during unconfiguration
- * of the COMEDI device.
- *
- * Note that the COMEDI device may have already been unconfigured using the
- * %COMEDI_DEVCONFIG ioctl, in which case this attempt to unconfigure it
- * again should be ignored.
- */
-void comedi_usb_auto_unconfig(struct usb_interface *intf)
-{
-	comedi_auto_unconfig(&intf->dev);
-}
-EXPORT_SYMBOL_GPL(comedi_usb_auto_unconfig);
-
-/**
- * comedi_usb_driver_register() - Register a USB COMEDI driver
- * @comedi_driver: COMEDI driver to be registered.
- * @usb_driver: USB driver to be registered.
- *
- * This function is called from the module_init() of USB COMEDI driver modules
- * to register the COMEDI driver and the USB driver.  Do not call it directly,
- * use the module_comedi_usb_driver() helper macro instead.
- *
- * Return: %0 on success, or a negative error number on failure.
- */
-int comedi_usb_driver_register(struct comedi_driver *comedi_driver,
-			       struct usb_driver *usb_driver)
-{
-	int ret;
-
-	ret = comedi_driver_register(comedi_driver);
-	if (ret < 0)
-		return ret;
-
-	ret = usb_register(usb_driver);
-	if (ret < 0) {
-		comedi_driver_unregister(comedi_driver);
-		return ret;
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(comedi_usb_driver_register);
-
-/**
- * comedi_usb_driver_unregister() - Unregister a USB COMEDI driver
- * @comedi_driver: COMEDI driver to be registered.
- * @usb_driver: USB driver to be registered.
- *
- * This function is called from the module_exit() of USB COMEDI driver modules
- * to unregister the USB driver and the COMEDI driver.  Do not call it
- * directly, use the module_comedi_usb_driver() helper macro instead.
- */
-void comedi_usb_driver_unregister(struct comedi_driver *comedi_driver,
-				  struct usb_driver *usb_driver)
-{
-	usb_deregister(usb_driver);
-	comedi_driver_unregister(comedi_driver);
-}
-EXPORT_SYMBOL_GPL(comedi_usb_driver_unregister);
-
-static int __init comedi_usb_init(void)
-{
-	return 0;
-}
-module_init(comedi_usb_init);
-
-static void __exit comedi_usb_exit(void)
-{
-}
-module_exit(comedi_usb_exit);
-
-MODULE_AUTHOR("https://www.comedi.org");
-MODULE_DESCRIPTION("Comedi USB interface module");
-MODULE_LICENSE("GPL");