[MIPS] floppy: Rewrite fd_cacheflush() to use dma_cache_sync().

#ifndef _ASM_FLOPPY_H

#define _ASM_FLOPPY_H

#include <linux/dma-mapping.h>

static inline void fd_cacheflush(char * addr, long size)

{

	dma_cache_wback_inv((unsigned long)addr,size);

	dma_cache_sync(NULL, addr, size, DMA_BIDIRECTIONAL);

}

#define MAX_BUFFER_SECTORS 24