44 int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len,  in gen_split_key()  argument
55 		dev_err(jrdev, "unable to allocate key input memory\n");  in gen_split_key()
59 	dma_addr_in = dma_map_single(jrdev, (void *)key_in, keylen,  in gen_split_key()
61 	if (dma_mapping_error(jrdev, dma_addr_in)) {  in gen_split_key()
62 		dev_err(jrdev, "unable to map key input memory\n");  in gen_split_key()
66 	dma_addr_out = dma_map_single(jrdev, key_out, split_key_pad_len,  in gen_split_key()
68 	if (dma_mapping_error(jrdev, dma_addr_out)) {  in gen_split_key()
69 		dev_err(jrdev, "unable to map key output memory\n");  in gen_split_key()
103 	ret = caam_jr_enqueue(jrdev, desc, split_key_done, &result);  in gen_split_key()
115 	dma_unmap_single(jrdev, dma_addr_out, split_key_pad_len,  in gen_split_key()
118 	dma_unmap_single(jrdev, dma_addr_in, keylen, DMA_TO_DEVICE);  in gen_split_key()