Commit f9b0274f authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

dmaengine: lgm: 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/20260108105619.3513561-8-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 3fc49d21

drivers/dma/lgm/lgm-dma.c

+2 −7
Original line number Diff line number Diff line
@@ -1164,8 +1164,8 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, 
	struct dw2_desc *hw_ds;

	struct dw2_desc_sw *ds;

	struct scatterlist *sg;

	int num = sglen, i;

	dma_addr_t addr;

	int num, i;



	if (!sgl)

		return NULL;
@@ -1173,12 +1173,7 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, 
	if (d->ver > DMA_VER22)

		return ldma_chan_desc_cfg(chan, sgl->dma_address, sglen);



	for_each_sg(sgl, sg, sglen, i) {

		avail = sg_dma_len(sg);

		if (avail > DMA_MAX_SIZE)

			num += DIV_ROUND_UP(avail, DMA_MAX_SIZE) - 1;

	}



	num = sg_nents_for_dma(sgl, sglen, DMA_MAX_SIZE);

	ds = dma_alloc_desc_resource(num, c);

	if (!ds)

		return NULL;