63 	struct sun8i_ce_dev *ce;  in sun8i_ce_prng_generate()  local
74 	ce = algt->ce;  in sun8i_ce_prng_generate()
77 		dev_err(ce->dev, "not seeded\n");  in sun8i_ce_prng_generate()
91 	dev_dbg(ce->dev, "%s PRNG slen=%u dlen=%u todo=%u multi=%u\n", __func__,  in sun8i_ce_prng_generate()
99 	dma_iv = dma_map_single(ce->dev, ctx->seed, ctx->slen, DMA_TO_DEVICE);  in sun8i_ce_prng_generate()
100 	if (dma_mapping_error(ce->dev, dma_iv)) {  in sun8i_ce_prng_generate()
101 		dev_err(ce->dev, "Cannot DMA MAP IV\n");  in sun8i_ce_prng_generate()
105 	dma_dst = dma_map_single(ce->dev, d, todo, DMA_FROM_DEVICE);  in sun8i_ce_prng_generate()
106 	if (dma_mapping_error(ce->dev, dma_dst)) {  in sun8i_ce_prng_generate()
107 		dev_err(ce->dev, "Cannot DMA MAP DST\n");  in sun8i_ce_prng_generate()
112 	err = pm_runtime_get_sync(ce->dev);  in sun8i_ce_prng_generate()
114 		pm_runtime_put_noidle(ce->dev);  in sun8i_ce_prng_generate()
118 	mutex_lock(&ce->rnglock);  in sun8i_ce_prng_generate()
119 	chan = &ce->chanlist[flow];  in sun8i_ce_prng_generate()
125 	common = ce->variant->prng | CE_COMM_INT;  in sun8i_ce_prng_generate()
129 	if (ce->variant->prng_t_dlen_in_bytes)  in sun8i_ce_prng_generate()
143 	ce->chanlist[flow].timeout = 2000;  in sun8i_ce_prng_generate()
145 	err = sun8i_ce_run_task(ce, 3, "PRNG");  in sun8i_ce_prng_generate()
146 	mutex_unlock(&ce->rnglock);  in sun8i_ce_prng_generate()
148 	pm_runtime_put(ce->dev);  in sun8i_ce_prng_generate()
151 	dma_unmap_single(ce->dev, dma_dst, todo, DMA_FROM_DEVICE);  in sun8i_ce_prng_generate()
153 	dma_unmap_single(ce->dev, dma_iv, ctx->slen, DMA_TO_DEVICE);  in sun8i_ce_prng_generate()