85 struct page *__dma_direct_alloc_pages(struct device *dev, size_t size,  in __dma_direct_alloc_pages()
90 	struct page *page = NULL;  in __dma_direct_alloc_pages()  local
100 	page = dma_alloc_contiguous(dev, alloc_size, gfp);  in __dma_direct_alloc_pages()
101 	if (page && !dma_coherent_ok(dev, page_to_phys(page), size)) {  in __dma_direct_alloc_pages()
102 		dma_free_contiguous(dev, page, alloc_size);  in __dma_direct_alloc_pages()
103 		page = NULL;  in __dma_direct_alloc_pages()
106 	if (!page)  in __dma_direct_alloc_pages()
107 		page = alloc_pages_node(node, gfp, get_order(alloc_size));  in __dma_direct_alloc_pages()
108 	if (page && !dma_coherent_ok(dev, page_to_phys(page), size)) {  in __dma_direct_alloc_pages()
109 		dma_free_contiguous(dev, page, size);  in __dma_direct_alloc_pages()
110 		page = NULL;  in __dma_direct_alloc_pages()
125 	return page;  in __dma_direct_alloc_pages()
131 	struct page *page;  in dma_direct_alloc_pages()  local
134 	page = __dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs);  in dma_direct_alloc_pages()
135 	if (!page)  in dma_direct_alloc_pages()
141 		if (!PageHighMem(page))  in dma_direct_alloc_pages()
142 			arch_dma_prep_coherent(page, size);  in dma_direct_alloc_pages()
143 		*dma_handle = phys_to_dma(dev, page_to_phys(page));  in dma_direct_alloc_pages()
145 		return page;  in dma_direct_alloc_pages()
148 	if (PageHighMem(page)) {  in dma_direct_alloc_pages()
156 		__dma_direct_free_pages(dev, size, page);  in dma_direct_alloc_pages()
160 	ret = page_address(page);  in dma_direct_alloc_pages()
163 		*dma_handle = __phys_to_dma(dev, page_to_phys(page));  in dma_direct_alloc_pages()
165 		*dma_handle = phys_to_dma(dev, page_to_phys(page));  in dma_direct_alloc_pages()
171 		arch_dma_prep_coherent(page, size);  in dma_direct_alloc_pages()
178 void __dma_direct_free_pages(struct device *dev, size_t size, struct page *page)  in __dma_direct_free_pages()  argument
180 	dma_free_contiguous(dev, page, size);  in __dma_direct_free_pages()
332 dma_addr_t dma_direct_map_page(struct device *dev, struct page *page,  in dma_direct_map_page()  argument
336 	phys_addr_t phys = page_to_phys(page) + offset;  in dma_direct_map_page()