[PATCH v4 12/13] dmaengine: sh: use sg_nents_for_dma() helper

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

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/sh/shdma-base.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
index 834741adadaa..1e1b65e46668 100644
--- a/drivers/dma/sh/shdma-base.c
+++ b/drivers/dma/sh/shdma-base.c
@@ -577,12 +577,11 @@ static struct dma_async_tx_descriptor *shdma_prep_sg(struct shdma_chan *schan,
 	struct scatterlist *sg;
 	struct shdma_desc *first = NULL, *new = NULL /* compiler... */;
 	LIST_HEAD(tx_list);
-	int chunks = 0;
+	int chunks;
 	unsigned long irq_flags;
 	int i;
 
-	for_each_sg(sgl, sg, sg_len, i)
-		chunks += DIV_ROUND_UP(sg_dma_len(sg), schan->max_xfer_len);
+	chunks = sg_nents_for_dma(sgl, sg_len, schan->max_xfer_len);
 
 	/* Have to lock the whole loop to protect against concurrent release */
 	spin_lock_irqsave(&schan->chan_lock, irq_flags);
-- 
2.50.1