linux-kernel - [PATCH v2 5/6] dmaengine: omap-dma: Use pointer to omap_sg in slave

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Date:	Wed, 20 Jul 2016 11:50:31 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	<vinod.koul@...el.com>, <linux@....linux.org.uk>
CC:	<linux-kernel@...r.kernel.org>, <dmaengine@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-omap@...r.kernel.org>, <tony@...mide.com>
Subject: [PATCH v2 5/6] dmaengine: omap-dma: Use pointer to omap_sg in slave_sg setup's loop

Instead of accessing the array via index, take the pointer first and use
it to set up the omap_sg struct.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/dma/omap-dma.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index 072fff7164dd..9f1cfac16f92 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -819,9 +819,11 @@ static struct dma_async_tx_descriptor *omap_dma_prep_slave_sg(
 	en = burst;
 	frame_bytes = es_bytes[es] * en;
 	for_each_sg(sgl, sgent, sglen, i) {
-		d->sg[i].addr = sg_dma_address(sgent);
-		d->sg[i].en = en;
-		d->sg[i].fn = sg_dma_len(sgent) / frame_bytes;
+		struct omap_sg *osg = &d->sg[i];
+
+		osg->addr = sg_dma_address(sgent);
+		osg->en = en;
+		osg->fn = sg_dma_len(sgent) / frame_bytes;
 	}
 
 	d->sglen = sglen;
-- 
2.9.2