diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2026-01-08 11:50:18 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2026-01-09 08:36:00 +0530 |
| commit | f9b0274f53a2d464e71f37e8f4d0d0dc41321259 (patch) | |
| tree | 27fd23f622ae8eda28f31754a37ac546a3e85589 /drivers/dma | |
| parent | 3fc49d21f3a46866724ff8ef8a79c6e2cd9d7676 (diff) | |
dmaengine: lgm: 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/20260108105619.3513561-8-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/lgm/lgm-dma.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/dma/lgm/lgm-dma.c b/drivers/dma/lgm/lgm-dma.c index 8173c3f1075a..a7b9cf30f6ad 100644 --- a/drivers/dma/lgm/lgm-dma.c +++ b/drivers/dma/lgm/lgm-dma.c @@ -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; |