drivers/staging/comedi/comedi_pcmcia.c

/*
 * 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>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>

#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>

#include "comedidev.h"

/**
 * comedi_pcmcia_driver_register() - Register a comedi PCMCIA driver.
 * @comedi_driver: comedi_driver struct
 * @pcmcia_driver: pcmcia_driver struct
 *
 * This function is used for the module_init() of comedi USB drivers.
 * Do not call it directly, use the module_comedi_pcmcia_driver() helper
 * macro instead.
 */
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 comedi PCMCIA driver.
 * @comedi_driver: comedi_driver struct
 * @pcmcia_driver: pcmcia_driver struct
 *
 * This function is used for the module_exit() of comedi PCMCIA drivers.
 * 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);