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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2016-07-20 11:50:27 +0300
committerVinod Koul <vinod.koul@intel.com>2016-08-10 22:59:12 +0530
commita5dc3fcac4a29b77e8bd476b8b5242e8f449d3a6 (patch)
treeb5db3811e18755d4a616a0c17af818ac91b57533 /drivers/dma/omap-dma.c
parent29b4817d4018df78086157ea3a55c1d9424a7cfc (diff)
dmaengine: omap-dma: Simplify omap_dma_start_sg parameter list
We can drop the (sg)idx parameter for the omap_dma_start_sg() function and increment the sgidx inside of the same function. 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.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index d99ca2b511c4..2fdeb02e81fc 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -365,10 +365,9 @@ static void omap_dma_stop(struct omap_chan *c)
c->running = false;
}
-static void omap_dma_start_sg(struct omap_chan *c, struct omap_desc *d,
- unsigned idx)
+static void omap_dma_start_sg(struct omap_chan *c, struct omap_desc *d)
{
- struct omap_sg *sg = d->sg + idx;
+ struct omap_sg *sg = d->sg + c->sgidx;
unsigned cxsa, cxei, cxfi;
if (d->dir == DMA_DEV_TO_MEM || d->dir == DMA_MEM_TO_MEM) {
@@ -388,6 +387,7 @@ static void omap_dma_start_sg(struct omap_chan *c, struct omap_desc *d,
omap_dma_chan_write(c, CFN, sg->fn);
omap_dma_start(c, d);
+ c->sgidx++;
}
static void omap_dma_start_desc(struct omap_chan *c)
@@ -433,7 +433,7 @@ static void omap_dma_start_desc(struct omap_chan *c)
omap_dma_chan_write(c, CSDP, d->csdp);
omap_dma_chan_write(c, CLNK_CTRL, d->clnk_ctrl);
- omap_dma_start_sg(c, d, 0);
+ omap_dma_start_sg(c, d);
}
static void omap_dma_callback(int ch, u16 status, void *data)
@@ -446,8 +446,8 @@ static void omap_dma_callback(int ch, u16 status, void *data)
d = c->desc;
if (d) {
if (!c->cyclic) {
- if (++c->sgidx < d->sglen) {
- omap_dma_start_sg(c, d, c->sgidx);
+ if (c->sgidx < d->sglen) {
+ omap_dma_start_sg(c, d);
} else {
omap_dma_start_desc(c);
vchan_cookie_complete(&d->vd);