diff options
| -rw-r--r-- | drivers/dma/xilinx/xdma.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index 0d88b1a670e1..be6c22e1020a 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -605,13 +605,11 @@ xdma_prep_device_sg(struct dma_chan *chan, struct scatterlist *sgl, struct xdma_chan *xdma_chan = to_xdma_chan(chan); struct dma_async_tx_descriptor *tx_desc; struct xdma_desc *sw_desc; - u32 desc_num = 0, i; u64 addr, dev_addr, *src, *dst; + u32 desc_num, i; struct scatterlist *sg; - for_each_sg(sgl, sg, sg_len, i) - desc_num += DIV_ROUND_UP(sg_dma_len(sg), XDMA_DESC_BLEN_MAX); - + desc_num = sg_nents_for_dma(sgl, sg_len, XDMA_DESC_BLEN_MAX); sw_desc = xdma_alloc_desc(xdma_chan, desc_num, false); if (!sw_desc) return NULL; |