#include <asm/addrspace.h>
 #include <asm/io.h>
 
-struct dma_coherent_mem {
-       void            *virt_base;
-       u32             device_base;
-       int             size;
-       int             flags;
-       unsigned long   *bitmap;
-};
-
 void *dma_alloc_coherent(struct device *dev, size_t size,
                           dma_addr_t *dma_handle, gfp_t gfp)
 {
 void dma_free_coherent(struct device *dev, size_t size,
                         void *vaddr, dma_addr_t dma_handle)
 {
-       struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
        int order = get_order(size);
 
        if (!dma_release_from_coherent(dev, order, vaddr)) {
                WARN_ON(irqs_disabled());       /* for portability */
-               BUG_ON(mem && mem->flags & DMA_MEMORY_EXCLUSIVE);
                free_pages((unsigned long)phys_to_virt(dma_handle), order);
                iounmap(vaddr);
        }