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/*

 * arch/arm/kernel/dma-dummy.c

 *

 * Copyright (C) 1998 Russell King

 *

 * Dummy DMA functions

 */

#include <linux/sched.h>

#include <asm/dma.h>

#include <asm/io.h>

#include <asm/hardware.h>

#include "dma.h"

int arch_request_dma(dmach_t channel, dma_t *dma, const char *devname)

{

        return -EINVAL;

}

void arch_free_dma(dmach_t channel, dma_t *dma)

{

        printk ("arch_free_dma: invalid channel %d\n", channel);

}

void arch_enable_dma(dmach_t channel, dma_t *dma)

{

        printk ("arch_enable_dma: invalid channel %d\n", channel);

}

void arch_disable_dma(dmach_t channel, dma_t *dma)

{

        printk ("arch_disable_dma: invalid channel %d\n", channel);

}

int arch_get_dma_residue(dmach_t channel, dma_t *dma)

{

        printk ("arch_get_dma_residue: invalid channel %d\n", channel);

        return 0;

}

void arch_dma_init(dma_t *dma)

{

}