[MIPS] Remove duplicate ISA DMA code for 0 DMA channel case.

	select BOOT_ELF32

	select HAVE_STD_PC_SERIAL_PORT

	select DMA_NONCOHERENT

	select IRQ_CPU

	select GENERIC_ISA_DMA

	select IRQ_CPU

	select HW_HAS_PCI

	select I8259

	select MIPS_BOARDS_GEN

	select HW_HAS_EISA

	select IP22_CPU_SCACHE

	select IRQ_CPU

	select NO_ISA if ISA

	select GENERIC_ISA_DMA_SUPPORT_BROKEN

	select SWAP_IO_SPACE

	select SYS_HAS_CPU_R4X00

	select SYS_HAS_CPU_R5000

config MIPS_DISABLE_OBSOLETE_IDE

	bool

config GENERIC_ISA_DMA_SUPPORT_BROKEN

	bool

#

# Endianess selection.  Suffiently obscure so many users don't know what to

# answer,so we try hard to limit the available choices.  Also the use of a

config ISA

	bool

config NO_ISA

	bool

config EISA

	bool "EISA support"

	depends on HW_HAS_EISA

	select ISA

	select GENERIC_ISA_DMA

	---help---

	  The Extended Industry Standard Architecture (EISA) bus was

	  developed as an open alternative to the IBM MicroChannel bus.

obj-$(CONFIG_MIPS_VPE_LOADER)	+= vpe.o

obj-$(CONFIG_MIPS_VPE_APSP_API)	+= rtlx.o

obj-$(CONFIG_NO_ISA)		+= dma-no-isa.o

obj-$(CONFIG_I8259)		+= i8259.o

obj-$(CONFIG_IRQ_CPU)		+= irq_cpu.o

obj-$(CONFIG_IRQ_CPU_RM7K)	+= irq-rm7000.o

/*

 * 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);

 *

 */

#ifndef GENERIC_ISA_DMA_SUPPORT_BROKEN

#define MAX_DMA_CHANNELS	8

#endif

/*

 * The maximum address in KSEG0 that we can perform a DMA transfer to on this