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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2016-07-20 10:50:27 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-08-10 19:29:12 +0200 |
| commit | a5dc3fcac4a29b77e8bd476b8b5242e8f449d3a6 (patch) | |
| tree | b5db3811e18755d4a616a0c17af818ac91b57533 /drivers/dma/omap-dma.c | |
| parent | Linux 4.8-rc1 (diff) | |
| download | linux-a5dc3fcac4a29b77e8bd476b8b5242e8f449d3a6.tar.xz linux-a5dc3fcac4a29b77e8bd476b8b5242e8f449d3a6.zip | |
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.c | 12 |
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); |