Re: [PATCH v5 03/13] dmaengine: axi-dmac: use sg_nents_for_dma() helper
From: Nuno Sá <hidden>
Date: 2026-01-08 13:39:43
Also in:
dmaengine, linux-arm-msm, lkml
On Thu, 2026-01-08 at 11:50 +0100, Andy Shevchenko wrote:
Instead of open coded variant let's use recently introduced helper. Reviewed-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> ---
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
quoted hunk ↗ jump to hunk
drivers/dma/dma-axi-dmac.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index 045e9b9a90df..f5caf75dc0e7 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c@@ -677,10 +677,7 @@ static struct dma_async_tx_descriptor *axi_dmac_prep_slave_sg(if (direction != chan->direction) return NULL; - num_sgs = 0; - for_each_sg(sgl, sg, sg_len, i) - num_sgs += DIV_ROUND_UP(sg_dma_len(sg), chan->max_length); - + num_sgs = sg_nents_for_dma(sgl, sg_len, chan->max_length); desc = axi_dmac_alloc_desc(chan, num_sgs); if (!desc) return NULL;