29 	memzero_explicit(ctx->seed, ctx->slen);  in sun8i_ce_prng_exit()
30 	kfree(ctx->seed);  in sun8i_ce_prng_exit()
31 	ctx->seed = NULL;  in sun8i_ce_prng_exit()
35 int sun8i_ce_prng_seed(struct crypto_rng *tfm, const u8 *seed,  in sun8i_ce_prng_seed()  argument
40 	if (ctx->seed && ctx->slen != slen) {  in sun8i_ce_prng_seed()
41 		memzero_explicit(ctx->seed, ctx->slen);  in sun8i_ce_prng_seed()
42 		kfree(ctx->seed);  in sun8i_ce_prng_seed()
44 		ctx->seed = NULL;  in sun8i_ce_prng_seed()
46 	if (!ctx->seed)  in sun8i_ce_prng_seed()
47 		ctx->seed = kmalloc(slen, GFP_KERNEL | GFP_DMA);  in sun8i_ce_prng_seed()
48 	if (!ctx->seed)  in sun8i_ce_prng_seed()
51 	memcpy(ctx->seed, seed, slen);  in sun8i_ce_prng_seed()
99 	dma_iv = dma_map_single(ce->dev, ctx->seed, ctx->slen, DMA_TO_DEVICE);  in sun8i_ce_prng_generate()
158 		memcpy(ctx->seed, d + dlen, ctx->slen);  in sun8i_ce_prng_generate()