Commit 47f5cb78 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

dmaengine: altera-msgdma: 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/20260108105619.3513561-3-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 80c70bfb

drivers/dma/altera-msgdma.c

+2 −4
Original line number Diff line number Diff line
@@ -396,13 +396,11 @@ msgdma_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, 
	void *desc = NULL;

	size_t len, avail;

	dma_addr_t dma_dst, dma_src;

	u32 desc_cnt = 0, i;

	struct scatterlist *sg;

	u32 desc_cnt;

	u32 stride;

	unsigned long irqflags;



	for_each_sg(sgl, sg, sg_len, i)

		desc_cnt += DIV_ROUND_UP(sg_dma_len(sg), MSGDMA_MAX_TRANS_LEN);

	desc_cnt = sg_nents_for_dma(sgl, sg_len, MSGDMA_MAX_TRANS_LEN);



	spin_lock_irqsave(&mdev->lock, irqflags);

	if (desc_cnt > mdev->desc_free_cnt) {