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[v1,08/10] dmaengine: sh: use sg_nents_for_dma() helper

Message ID 20161021173535.100245-8-andriy.shevchenko@linux.intel.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Andy Shevchenko Oct. 21, 2016, 5:35 p.m. UTC 
Instead of open coded variant let's use recently introduced helper.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
---
 drivers/dma/sh/shdma-base.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
index 12fa48e..f9cb2a9 100644
--- a/drivers/dma/sh/shdma-base.c
+++ b/drivers/dma/sh/shdma-base.c
@@ -567,12 +567,11 @@  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);