18 		       unsigned int slen)  in sun8i_ss_prng_seed()  argument
22 	if (ctx->seed && ctx->slen != slen) {  in sun8i_ss_prng_seed()
23 		memzero_explicit(ctx->seed, ctx->slen);  in sun8i_ss_prng_seed()
25 		ctx->slen = 0;  in sun8i_ss_prng_seed()
29 		ctx->seed = kmalloc(slen, GFP_KERNEL | GFP_DMA);  in sun8i_ss_prng_seed()
33 	memcpy(ctx->seed, seed, slen);  in sun8i_ss_prng_seed()
34 	ctx->slen = slen;  in sun8i_ss_prng_seed()
51 	memzero_explicit(ctx->seed, ctx->slen);  in sun8i_ss_prng_exit()
54 	ctx->slen = 0;  in sun8i_ss_prng_exit()
58 			   unsigned int slen, u8 *dst, unsigned int dlen)  in sun8i_ss_prng_generate()  argument
74 	if (ctx->slen == 0) {  in sun8i_ss_prng_generate()
103 	dma_iv = dma_map_single(ss->dev, ctx->seed, ctx->slen, DMA_TO_DEVICE);  in sun8i_ss_prng_generate()
163 	dma_unmap_single(ss->dev, dma_iv, ctx->slen, DMA_TO_DEVICE);  in sun8i_ss_prng_generate()
168 		memcpy(ctx->seed, d + dlen, ctx->slen);  in sun8i_ss_prng_generate()