61 	struct sun8i_ce_dev *ce;  in sun8i_ce_prng_generate()  local
72 	ce = algt->ce;  in sun8i_ce_prng_generate()
75 		dev_err(ce->dev, "not seeded\n");  in sun8i_ce_prng_generate()
89 	dev_dbg(ce->dev, "%s PRNG slen=%u dlen=%u todo=%u multi=%u\n", __func__,  in sun8i_ce_prng_generate()
97 	dma_iv = dma_map_single(ce->dev, ctx->seed, ctx->slen, DMA_TO_DEVICE);  in sun8i_ce_prng_generate()
98 	if (dma_mapping_error(ce->dev, dma_iv)) {  in sun8i_ce_prng_generate()
99 		dev_err(ce->dev, "Cannot DMA MAP IV\n");  in sun8i_ce_prng_generate()
104 	dma_dst = dma_map_single(ce->dev, d, todo, DMA_FROM_DEVICE);  in sun8i_ce_prng_generate()
105 	if (dma_mapping_error(ce->dev, dma_dst)) {  in sun8i_ce_prng_generate()
106 		dev_err(ce->dev, "Cannot DMA MAP DST\n");  in sun8i_ce_prng_generate()
111 	err = pm_runtime_resume_and_get(ce->dev);  in sun8i_ce_prng_generate()
115 	mutex_lock(&ce->rnglock);  in sun8i_ce_prng_generate()
116 	chan = &ce->chanlist[flow];  in sun8i_ce_prng_generate()
122 	common = ce->variant->prng | CE_COMM_INT;  in sun8i_ce_prng_generate()
126 	if (ce->variant->prng_t_dlen_in_bytes)  in sun8i_ce_prng_generate()
140 	ce->chanlist[flow].timeout = 2000;  in sun8i_ce_prng_generate()
142 	err = sun8i_ce_run_task(ce, 3, "PRNG");  in sun8i_ce_prng_generate()
143 	mutex_unlock(&ce->rnglock);  in sun8i_ce_prng_generate()
145 	pm_runtime_put(ce->dev);  in sun8i_ce_prng_generate()
148 	dma_unmap_single(ce->dev, dma_dst, todo, DMA_FROM_DEVICE);  in sun8i_ce_prng_generate()
150 	dma_unmap_single(ce->dev, dma_iv, ctx->slen, DMA_TO_DEVICE);  in sun8i_ce_prng_generate()