1 files changed, 0 insertions, 209 deletions
diff --git a/drivers/staging/comedi/comedi_pcmcia.c b/drivers/staging/comedi/comedi_pcmcia.c
deleted file mode 100644
index bb273bb202e6..000000000000
--- a/drivers/staging/comedi/comedi_pcmcia.c
+++ /dev/null
@@ -1,209 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * comedi_pcmcia.c
- * Comedi PCMCIA 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 <linux/kernel.h>
-
-#include "comedi_pcmcia.h"
-
-/**
- * comedi_to_pcmcia_dev() - Return PCMCIA 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 pcmcia_device.
- *
- * Return: Attached PCMCIA device if @dev->hw_dev is non-%NULL.
- * Return %NULL if @dev->hw_dev is %NULL.
- */
-struct pcmcia_device *comedi_to_pcmcia_dev(struct comedi_device *dev)
-{
-	return dev->hw_dev ? to_pcmcia_dev(dev->hw_dev) : NULL;
-}
-EXPORT_SYMBOL_GPL(comedi_to_pcmcia_dev);
-
-static int comedi_pcmcia_conf_check(struct pcmcia_device *link,
-				    void *priv_data)
-{
-	if (link->config_index == 0)
-		return -EINVAL;
-
-	return pcmcia_request_io(link);
-}
-
-/**
- * comedi_pcmcia_enable() - Request the regions and enable the PCMCIA device
- * @dev: COMEDI device.
- * @conf_check: Optional callback to check each configuration option of the
- *	PCMCIA device and request I/O regions.
- *
- * Assuming @dev->hw_dev is non-%NULL, it is assumed to be pointing to a a
- * &struct device embedded in a &struct pcmcia_device.  The comedi PCMCIA
- * driver needs to set the 'config_flags' member in the &struct pcmcia_device,
- * as appropriate for that driver, before calling this function in order to
- * allow pcmcia_loop_config() to do its internal autoconfiguration.
- *
- * If @conf_check is %NULL it is set to a default function.  If is
- * passed to pcmcia_loop_config() and should return %0 if the configuration
- * is valid and I/O regions requested successfully, otherwise it should return
- * a negative error value.  The default function returns -%EINVAL if the
- * 'config_index' member is %0, otherwise it calls pcmcia_request_io() and
- * returns the result.
- *
- * If the above configuration check passes, pcmcia_enable_device() is called
- * to set up and activate the PCMCIA device.
- *
- * If this function returns an error, comedi_pcmcia_disable() should be called
- * to release requested resources.
- *
- * Return:
- *	0 on success,
- *	-%ENODEV id @dev->hw_dev is %NULL,
- *	a negative error number from pcmcia_loop_config() if it fails,
- *	or a negative error number from pcmcia_enable_device() if it fails.
- */
-int comedi_pcmcia_enable(struct comedi_device *dev,
-			 int (*conf_check)(struct pcmcia_device *p_dev,
-					   void *priv_data))
-{
-	struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
-	int ret;
-
-	if (!link)
-		return -ENODEV;
-
-	if (!conf_check)
-		conf_check = comedi_pcmcia_conf_check;
-
-	ret = pcmcia_loop_config(link, conf_check, NULL);
-	if (ret)
-		return ret;
-
-	return pcmcia_enable_device(link);
-}
-EXPORT_SYMBOL_GPL(comedi_pcmcia_enable);
-
-/**
- * comedi_pcmcia_disable() - Disable the PCMCIA device and release the regions
- * @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 pcmcia_device.  Call
- * pcmcia_disable_device() to disable and clean up the PCMCIA device.
- */
-void comedi_pcmcia_disable(struct comedi_device *dev)
-{
-	struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
-
-	if (link)
-		pcmcia_disable_device(link);
-}
-EXPORT_SYMBOL_GPL(comedi_pcmcia_disable);
-
-/**
- * comedi_pcmcia_auto_config() - Configure/probe a PCMCIA COMEDI device
- * @link: PCMCIA device.
- * @driver: Registered COMEDI driver.
- *
- * Typically called from the pcmcia_driver (*probe) function.  Auto-configure
- * a COMEDI device, using a pointer to the &struct device embedded in *@link
- * as the hardware device.  The @driver's "auto_attach" handler may call
- * comedi_to_pcmcia_dev() on the passed in COMEDI device to recover @link.
- *
- * Return: The result of calling comedi_auto_config() (0 on success, or a
- * negative error number on failure).
- */
-int comedi_pcmcia_auto_config(struct pcmcia_device *link,
-			      struct comedi_driver *driver)
-{
-	return comedi_auto_config(&link->dev, driver, 0);
-}
-EXPORT_SYMBOL_GPL(comedi_pcmcia_auto_config);
-
-/**
- * comedi_pcmcia_auto_unconfig() - Unconfigure/remove a PCMCIA COMEDI device
- * @link: PCMCIA device.
- *
- * Typically called from the pcmcia_driver (*remove) function.
- * Auto-unconfigure a COMEDI device attached to this PCMCIA device, using a
- * pointer to the &struct device embedded in *@link 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_pcmcia_auto_unconfig(struct pcmcia_device *link)
-{
-	comedi_auto_unconfig(&link->dev);
-}
-EXPORT_SYMBOL_GPL(comedi_pcmcia_auto_unconfig);
-
-/**
- * comedi_pcmcia_driver_register() - Register a PCMCIA COMEDI driver
- * @comedi_driver: COMEDI driver to be registered.
- * @pcmcia_driver: PCMCIA driver to be registered.
- *
- * This function is used for the module_init() of PCMCIA COMEDI driver modules
- * to register the COMEDI driver and the PCMCIA driver.  Do not call it
- * directly, use the module_comedi_pcmcia_driver() helper macro instead.
- *
- * Return: 0 on success, or a negative error number on failure.
- */
-int comedi_pcmcia_driver_register(struct comedi_driver *comedi_driver,
-				  struct pcmcia_driver *pcmcia_driver)
-{
-	int ret;
-
-	ret = comedi_driver_register(comedi_driver);
-	if (ret < 0)
-		return ret;
-
-	ret = pcmcia_register_driver(pcmcia_driver);
-	if (ret < 0) {
-		comedi_driver_unregister(comedi_driver);
-		return ret;
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(comedi_pcmcia_driver_register);
-
-/**
- * comedi_pcmcia_driver_unregister() - Unregister a PCMCIA COMEDI driver
- * @comedi_driver: COMEDI driver to be registered.
- * @pcmcia_driver: PCMCIA driver to be registered.
- *
- * This function is called from the module_exit() of PCMCIA COMEDI driver
- * modules to unregister the PCMCIA driver and the COMEDI driver.  Do not call
- * it directly, use the module_comedi_pcmcia_driver() helper macro instead.
- */
-void comedi_pcmcia_driver_unregister(struct comedi_driver *comedi_driver,
-				     struct pcmcia_driver *pcmcia_driver)
-{
-	pcmcia_unregister_driver(pcmcia_driver);
-	comedi_driver_unregister(comedi_driver);
-}
-EXPORT_SYMBOL_GPL(comedi_pcmcia_driver_unregister);
-
-static int __init comedi_pcmcia_init(void)
-{
-	return 0;
-}
-module_init(comedi_pcmcia_init);
-
-static void __exit comedi_pcmcia_exit(void)
-{
-}
-module_exit(comedi_pcmcia_exit);
-
-MODULE_AUTHOR("https://www.comedi.org");
-MODULE_DESCRIPTION("Comedi PCMCIA interface module");
-MODULE_LICENSE("GPL");