43 static inline u32 __alloc_dma_pages(int order)  in __alloc_dma_pages()  argument
49 	pos = bitmap_find_free_region(dma_bitmap, dma_pages, order);  in __alloc_dma_pages()
55 static void __free_dma_pages(u32 addr, int order)  in __free_dma_pages()  argument
60 	if (addr < dma_base || (pos + (1 << order)) >= dma_pages) {  in __free_dma_pages()
66 	bitmap_release_region(dma_bitmap, pos, order);  in __free_dma_pages()
79 	int order;  in arch_dma_alloc()  local
84 	order = get_count_order(((size - 1) >> PAGE_SHIFT) + 1);  in arch_dma_alloc()
86 	paddr = __alloc_dma_pages(order);  in arch_dma_alloc()
95 	memset(ret, 0, 1 << order);  in arch_dma_alloc()
105 	int order;  in arch_dma_free()  local
110 	order = get_count_order(((size - 1) >> PAGE_SHIFT) + 1);  in arch_dma_free()
112 	__free_dma_pages(virt_to_phys(vaddr), order);  in arch_dma_free()