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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2015-11-11 12:37:56 +0200
committerVinod Koul <vinod.koul@intel.com>2015-12-05 13:36:38 +0530
commite8a5e79c17f977d1820ffe9b6ac259c953b3b34b (patch)
tree8a67cf10b39e50a3ece8e0b0d5a15c3e0bb0249f /drivers/dma/omap-dma.c
parentdmaengine: omap-dma: Correct status reporting for memcpy (diff)
downloadlinux-dev-e8a5e79c17f977d1820ffe9b6ac259c953b3b34b.tar.xz
linux-dev-e8a5e79c17f977d1820ffe9b6ac259c953b3b34b.zip
dmaengine: omap-dma: Clean up the prep_slave_sg sg list walk code
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>
Diffstat (limited to 'drivers/dma/omap-dma.c')
-rw-r--r--drivers/dma/omap-dma.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index 8ed39ce24d46..4afc2c18d451 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -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);
}