static dma_addr_t octeon_dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
dma_addr_t daddr = swiotlb_map_page(dev, page, offset, size,
direction, attrs);
mb();
return daddr;
}
static dma_addr_t loongson_dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
dma_addr_t daddr = swiotlb_map_page(dev, page, offset, size,
direction, attrs);
#ifdef LOONGSON_BIGMEM_DEBUG
if((daddr_ >= 0x90000000) || (daddr < 0x80000000)){
printk("+++%s %s: daddr(0x%lx)\n", __FILE__, __func__, daddr);
dump_stack();
}
#endif
mb();
return daddr;
}
dma_addr_t
dma_map_page(struct device *dev, struct page *page, unsigned long offset,
size_t size, enum dma_data_direction direction)
{
dma_addr_t dma_addr;
BUG_ON(direction == DMA_NONE);
if (swiotlb) {
dma_addr = swiotlb_map_page(
dev, page, offset, size, direction);
} else {
dma_addr = page_to_bus(page) + offset;
IOMMU_BUG_ON(address_needs_mapping(dev, dma_addr));
}
return dma_addr;
}
