diff options
| -rw-r--r-- | drivers/dma/ste_dma40_ll.c | 52 |
1 files changed, 23 insertions, 29 deletions
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c index fd752516259..fa6c3ab93fa 100644 --- a/drivers/dma/ste_dma40_ll.c +++ b/drivers/dma/ste_dma40_ll.c @@ -385,40 +385,34 @@ int d40_log_sg_to_dev(struct scatterlist *sg, struct d40_log_lli *lli_dst = lli->dst; for_each_sg(sg, current_sg, sg_len, i) { - total_size += sg_dma_len(current_sg); + dma_addr_t sg_addr = sg_dma_address(current_sg); + unsigned int len = sg_dma_len(current_sg); + dma_addr_t src; + dma_addr_t dst; + + total_size += len; if (direction == DMA_TO_DEVICE) { - lli_src = - d40_log_buf_to_lli(lli_src, - sg_dma_address(current_sg), - sg_dma_len(current_sg), - lcsp->lcsp1, src_data_width, - dst_data_width, - true); - lli_dst = - d40_log_buf_to_lli(lli_dst, - dev_addr, - sg_dma_len(current_sg), - lcsp->lcsp3, dst_data_width, - src_data_width, - false); + src = sg_addr; + dst = dev_addr; } else { - lli_dst = - d40_log_buf_to_lli(lli_dst, - sg_dma_address(current_sg), - sg_dma_len(current_sg), - lcsp->lcsp3, dst_data_width, - src_data_width, - true); - lli_src = - d40_log_buf_to_lli(lli_src, - dev_addr, - sg_dma_len(current_sg), - lcsp->lcsp1, src_data_width, - dst_data_width, - false); + src = dev_addr; + dst = sg_addr; } + + lli_src = d40_log_buf_to_lli(lli_src, src, len, + lcsp->lcsp1, + src_data_width, + dst_data_width, + src == sg_addr); + + lli_dst = d40_log_buf_to_lli(lli_dst, dst, len, + lcsp->lcsp3, + dst_data_width, + src_data_width, + dst == sg_addr); } + return total_size; } |