209 		dma_addr_t dma_addr, const char *where)  in find_safe_buffer_dev()  argument
213 	if (dma_mapping_error(dev, dma_addr)) {  in find_safe_buffer_dev()
217 	return find_safe_buffer(dev->archdata.dmabounce, dma_addr);  in find_safe_buffer_dev()
220 static int needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)  in needs_bounce()  argument
236 		if ((dma_addr | (dma_addr + size - 1)) & ~mask)  in needs_bounce()
240 	return !!dev->archdata.dmabounce->needs_bounce(dev, dma_addr, size);  in needs_bounce()
317 	dma_addr_t dma_addr;  in dmabounce_map_page()  local
323 	dma_addr = pfn_to_dma(dev, page_to_pfn(page)) + offset;  in dmabounce_map_page()
325 	ret = needs_bounce(dev, dma_addr, size);  in dmabounce_map_page()
330 		arm_dma_ops.sync_single_for_device(dev, dma_addr, size, dir);  in dmabounce_map_page()
331 		return dma_addr;  in dmabounce_map_page()
348 static void dmabounce_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,  in dmabounce_unmap_page()  argument
354 		__func__, dma_addr, size, dir);  in dmabounce_unmap_page()
356 	buf = find_safe_buffer_dev(dev, dma_addr, __func__);  in dmabounce_unmap_page()
358 		arm_dma_ops.sync_single_for_cpu(dev, dma_addr, size, dir);  in dmabounce_unmap_page()