From 068942eaa232ba752b744d98ff8ab22b26c8bff4 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 8 Jan 2026 11:50:19 +0100 Subject: [PATCH] dmaengine: pxa-dma: use sg_nents_for_dma() helper Instead of open coded variant let's use recently introduced helper. Reviewed-by: Bjorn Andersson Signed-off-by: Andy Shevchenko Link: https://patch.msgid.link/20260108105619.3513561-9-andriy.shevchenko@linux.intel.com Signed-off-by: Vinod Koul --- drivers/dma/pxa_dma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index 249296389771c..b639c8b51e878 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -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; -- 2.47.3