257 static void s5p_set_dma_indata(struct s5p_aes_dev *dev, struct scatterlist *sg)  in s5p_set_dma_indata()  argument
259 	SSS_WRITE(dev, FCBRDMAS, sg_dma_address(sg));  in s5p_set_dma_indata()
260 	SSS_WRITE(dev, FCBRDMAL, sg_dma_len(sg));  in s5p_set_dma_indata()
263 static void s5p_set_dma_outdata(struct s5p_aes_dev *dev, struct scatterlist *sg)  in s5p_set_dma_outdata()  argument
265 	SSS_WRITE(dev, FCBTDMAS, sg_dma_address(sg));  in s5p_set_dma_outdata()
266 	SSS_WRITE(dev, FCBTDMAL, sg_dma_len(sg));  in s5p_set_dma_outdata()
269 static void s5p_free_sg_cpy(struct s5p_aes_dev *dev, struct scatterlist **sg)  in s5p_free_sg_cpy()  argument
273 	if (!*sg)  in s5p_free_sg_cpy()
277 	free_pages((unsigned long)sg_virt(*sg), get_order(len));  in s5p_free_sg_cpy()
279 	kfree(*sg);  in s5p_free_sg_cpy()
280 	*sg = NULL;  in s5p_free_sg_cpy()
283 static void s5p_sg_copy_buf(void *buf, struct scatterlist *sg,  in s5p_sg_copy_buf()  argument
291 	scatterwalk_start(&walk, sg);  in s5p_sg_copy_buf()
351 static int s5p_set_outdata(struct s5p_aes_dev *dev, struct scatterlist *sg)  in s5p_set_outdata()  argument
355 	if (!sg->length) {  in s5p_set_outdata()
360 	err = dma_map_sg(dev->dev, sg, 1, DMA_FROM_DEVICE);  in s5p_set_outdata()
366 	dev->sg_dst = sg;  in s5p_set_outdata()
373 static int s5p_set_indata(struct s5p_aes_dev *dev, struct scatterlist *sg)  in s5p_set_indata()  argument
377 	if (!sg->length) {  in s5p_set_indata()
382 	err = dma_map_sg(dev->dev, sg, 1, DMA_TO_DEVICE);  in s5p_set_indata()
388 	dev->sg_src = sg;  in s5p_set_indata()
533 static bool s5p_is_sg_aligned(struct scatterlist *sg)  in s5p_is_sg_aligned()  argument
535 	while (sg) {  in s5p_is_sg_aligned()
536 		if (!IS_ALIGNED(sg->length, AES_BLOCK_SIZE))  in s5p_is_sg_aligned()
538 		sg = sg_next(sg);  in s5p_is_sg_aligned()
547 	struct scatterlist *sg;  in s5p_set_indata_start()  local
551 	sg = req->src;  in s5p_set_indata_start()
552 	if (!s5p_is_sg_aligned(sg)) {  in s5p_set_indata_start()
555 		err = s5p_make_sg_cpy(dev, sg, &dev->sg_src_cpy);  in s5p_set_indata_start()
559 		sg = dev->sg_src_cpy;  in s5p_set_indata_start()
562 	err = s5p_set_indata(dev, sg);  in s5p_set_indata_start()
574 	struct scatterlist *sg;  in s5p_set_outdata_start()  local
578 	sg = req->dst;  in s5p_set_outdata_start()
579 	if (!s5p_is_sg_aligned(sg)) {  in s5p_set_outdata_start()
582 		err = s5p_make_sg_cpy(dev, sg, &dev->sg_dst_cpy);  in s5p_set_outdata_start()
586 		sg = dev->sg_dst_cpy;  in s5p_set_outdata_start()
589 	err = s5p_set_outdata(dev, sg);  in s5p_set_outdata_start()