67 	unsigned int todo;  in sun8i_ce_prng_generate()  local
82 	todo = dlen + ctx->slen + PRNG_DATA_SIZE * 2;  in sun8i_ce_prng_generate()
83 	todo -= todo % PRNG_DATA_SIZE;  in sun8i_ce_prng_generate()
85 	d = kzalloc(todo, GFP_KERNEL | GFP_DMA);  in sun8i_ce_prng_generate()
92 		slen, dlen, todo, todo / PRNG_DATA_SIZE);  in sun8i_ce_prng_generate()
96 	algt->stat_bytes += todo;  in sun8i_ce_prng_generate()
105 	dma_dst = dma_map_single(ce->dev, d, todo, DMA_FROM_DEVICE);  in sun8i_ce_prng_generate()
130 		cet->t_dlen = cpu_to_le32(todo);  in sun8i_ce_prng_generate()
132 		cet->t_dlen = cpu_to_le32(todo / 4);  in sun8i_ce_prng_generate()
142 	cet->t_dst[0].len = cpu_to_le32(todo / 4);  in sun8i_ce_prng_generate()
151 	dma_unmap_single(ce->dev, dma_dst, todo, DMA_FROM_DEVICE);  in sun8i_ce_prng_generate()
159 	memzero_explicit(d, todo);  in sun8i_ce_prng_generate()