Commit 068942ea authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

dmaengine: pxa-dma: 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/20260108105619.3513561-9-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent f9b0274f

drivers/dma/pxa_dma.c

+2 −3
Original line number Diff line number Diff line
@@ -970,7 +970,7 @@ pxad_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, 
	struct scatterlist *sg;

	dma_addr_t dma;

	u32 dcmd, dsadr = 0, dtadr = 0;

	unsigned int nb_desc = 0, i, j = 0;

	unsigned int nb_desc, i, j = 0;



	if ((sgl == NULL) || (sg_len == 0))

		return NULL;
@@ -979,8 +979,7 @@ pxad_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, 
	dev_dbg(&chan->vc.chan.dev->device,

		"%s(): dir=%d flags=%lx\n", __func__, dir, flags);



	for_each_sg(sgl, sg, sg_len, i)

		nb_desc += DIV_ROUND_UP(sg_dma_len(sg), PDMA_MAX_DESC_BYTES);

	nb_desc = sg_nents_for_dma(sgl, sg_len, PDMA_MAX_DESC_BYTES);

	sw_desc = pxad_alloc_desc(chan, nb_desc + 1);

	if (!sw_desc)

		return NULL;