dmaengine: dw-axi-dmac: use sg_nents_for_dma() helper

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>
Link: https://patch.msgid.link/20260108105619.3513561-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Andy Shevchenko 2026-01-08 11:50:16 +01:00 committed by Vinod Koul
parent 39110c6850
commit 5d6ceb254f

View File

@ -850,7 +850,7 @@ dw_axi_dma_chan_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl,
unsigned int loop = 0;
struct scatterlist *sg;
size_t axi_block_len;
u32 len, num_sgs = 0;
u32 len, num_sgs;
unsigned int i;
dma_addr_t mem;
int status;
@ -867,9 +867,7 @@ dw_axi_dma_chan_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl,
if (axi_block_len == 0)
return NULL;
for_each_sg(sgl, sg, sg_len, i)
num_sgs += DIV_ROUND_UP(sg_dma_len(sg), axi_block_len);
num_sgs = sg_nents_for_dma(sgl, sg_len, axi_block_len);
desc = axi_desc_alloc(num_sgs);
if (unlikely(!desc))
goto err_desc_get;