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dmaengine: omap-dma: Clean up the prep_slave_sg sg list walk code

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The for_each_sg() macro's last parameter is inteded to be used as counter.
We can use 'i' instead of 'j' within the loop for indexes.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Peter Ujfalusi 2015-11-11 12:37:56 +02:00 committed by Vinod Koul
parent adf850bcca
commit e8a5e79c17
1 changed files with 5 additions and 6 deletions
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11
drivers/dma/omap-dma.c
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@ -768,7 +768,7 @@ static struct dma_async_tx_descriptor *omap_dma_prep_slave_sg(
struct scatterlist *sgent;
struct omap_desc *d;
dma_addr_t dev_addr;
unsigned i, j = 0, es, en, frame_bytes;
unsigned i, es, en, frame_bytes;
u32 burst;
if (dir == DMA_DEV_TO_MEM) {
@ -845,13 +845,12 @@ 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[j].addr = sg_dma_address(sgent);
d->sg[j].en = en;
d->sg[j].fn = sg_dma_len(sgent) / frame_bytes;
j++;
d->sg[i].addr = sg_dma_address(sgent);
d->sg[i].en = en;
d->sg[i].fn = sg_dma_len(sgent) / frame_bytes;
}
d->sglen = j;
d->sglen = sglen;
return vchan_tx_prep(&c->vc, &d->vd, tx_flags);
}