Instead of open coded variant let's use recently introduced helper.
Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/dma/qcom/bam_dma.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index 03c4eb3..b7669d1 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -607,8 +607,7 @@ static struct dma_async_tx_descriptor *bam_prep_slave_sg(struct dma_chan *chan,
struct scatterlist *sg;
u32 i;
struct bam_desc_hw *desc;
- unsigned int num_alloc = 0;
-
+ unsigned int num_alloc;
if (!is_slave_direction(direction)) {
dev_err(bdev->dev, "invalid dma direction\n");
@@ -616,8 +615,7 @@ static struct dma_async_tx_descriptor *bam_prep_slave_sg(struct dma_chan *chan,
}
/* calculate number of required entries */
- for_each_sg(sgl, sg, sg_len, i)
- num_alloc += DIV_ROUND_UP(sg_dma_len(sg), BAM_FIFO_SIZE);
+ num_alloc = sg_nents_for_dma(sgl, sg_len, BAM_FIFO_SIZE);
/* allocate enough room to accomodate the number of entries */
async_desc = kzalloc(sizeof(*async_desc) +
--
2.9.3
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