210 		dma_addr_t dma_addr, const char *where)  in find_safe_buffer_dev()  argument
214 	if (dma_mapping_error(dev, dma_addr)) {  in find_safe_buffer_dev()
218 	return find_safe_buffer(dev->archdata.dmabounce, dma_addr);  in find_safe_buffer_dev()
221 static int needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)  in needs_bounce()  argument
237 		if ((dma_addr | (dma_addr + size - 1)) & ~mask)  in needs_bounce()
241 	return !!dev->archdata.dmabounce->needs_bounce(dev, dma_addr, size);  in needs_bounce()
313 	dma_addr_t dma_addr;  in __dma_map_page()  local
319 	dma_addr = pfn_to_dma(dev, page_to_pfn(page)) + offset;  in __dma_map_page()
321 	ret = needs_bounce(dev, dma_addr, size);  in __dma_map_page()
327 		return dma_addr;  in __dma_map_page()
345 void __dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,  in __dma_unmap_page()  argument
351 		__func__, dma_addr, size, dir);  in __dma_unmap_page()
353 	buf = find_safe_buffer_dev(dev, dma_addr, __func__);  in __dma_unmap_page()
355 		__dma_page_dev_to_cpu(pfn_to_page(dma_to_pfn(dev, dma_addr)),  in __dma_unmap_page()
356 			dma_addr & ~PAGE_MASK, size, dir);  in __dma_unmap_page()