Commit 3c8a86ed authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
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dmaengine: xilinx: xdma: use sg_nents_for_dma() helper 



Instead of open coded variant let's use recently introduced helper.

Reviewed-by: default avatarBjorn Andersson <andersson@kernel.org>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260108105619.3513561-14-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent ac326dca

drivers/dma/xilinx/xdma.c

+2 −4
Original line number Diff line number Diff line
@@ -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;