Dummy ISA DMA functions for systems that don't have ISA but share

/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 2004 by Ralf Baechle

 *

 * Dummy ISA DMA functions for systems that don't have ISA but share drivers

 * with ISA such as legacy free PCI.

 */

#include <linux/errno.h>

#include <linux/module.h>

#include <linux/spinlock.h>

DEFINE_SPINLOCK(dma_spin_lock);

int request_dma(unsigned int dmanr, const char * device_id)

{

	return -EINVAL;

}

void free_dma(unsigned int dmanr)

{

}

EXPORT_SYMBOL(dma_spin_lock);

EXPORT_SYMBOL(request_dma);

EXPORT_SYMBOL(free_dma);