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>
---
 drivers/dma/qcom/qcom_adm.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/qcom/qcom_adm.c b/drivers/dma/qcom/qcom_adm.c
index e0f0c6f42c1f..aeb01b7087e2 100644
--- a/drivers/dma/qcom/qcom_adm.c
+++ b/drivers/dma/qcom/qcom_adm.c
@@ -390,16 +390,15 @@ static struct dma_async_tx_descriptor *adm_prep_slave_sg(struct dma_chan *chan,
 	}
 
 	/* iterate through sgs and compute allocation size of structures */
-	for_each_sg(sgl, sg, sg_len, i) {
-		if (achan->slave.device_fc) {
+	if (achan->slave.device_fc) {
+		for_each_sg(sgl, sg, sg_len, i) {
 			box_count += DIV_ROUND_UP(sg_dma_len(sg) / burst,
 						  ADM_MAX_ROWS);
 			if (sg_dma_len(sg) % burst)
 				single_count++;
-		} else {
-			single_count += DIV_ROUND_UP(sg_dma_len(sg),
-						     ADM_MAX_XFER);
 		}
+	} else {
+		single_count = sg_nents_for_dma(sgl, sg_len, ADM_MAX_XFER);
 	}
 
 	async_desc = kzalloc(sizeof(*async_desc), GFP_NOWAIT);
-- 
2.50.1