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dmaengine: imx-dma: remove unused arg of imxdma_sg_next. 

Since this function is always used with 'desc' as first argument
and 'desc->sg' as second argument, the latter is clearly redundant
and can be removed.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Javier Martin 2012-03-22 14:54:11 +01:00 committed by Vinod Koul
parent 2d9c2fc59a
commit a6cbb2d87d
1 changed files with 5 additions and 4 deletions
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9
drivers/dma/imx-dma.c
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@ -206,9 +206,10 @@ static int imxdma_hw_chain(struct imxdma_channel *imxdmac)
/*
* imxdma_sg_next - prepare next chunk for scatter-gather DMA emulation
*/
static inline int imxdma_sg_next(struct imxdma_desc *d, struct scatterlist *sg)
static inline int imxdma_sg_next(struct imxdma_desc *d)
{
struct imxdma_channel *imxdmac = to_imxdma_chan(d->desc.chan);
struct scatterlist *sg = d->sg;
unsigned long now;
now = min(d->len, sg->length);
@ -251,7 +252,7 @@ static void imxdma_enable_hw(struct imxdma_desc *d)
d->sg = sg_next(d->sg);
if (d->sg) {
u32 tmp;
imxdma_sg_next(d, d->sg);
imxdma_sg_next(d);
tmp = imx_dmav1_readl(DMA_CCR(channel));
imx_dmav1_writel(tmp | CCR_RPT | CCR_ACRPT,
DMA_CCR(channel));
@ -365,7 +366,7 @@ static void dma_irq_handle_channel(struct imxdma_channel *imxdmac)
desc->sg = sg_next(desc->sg);
if (desc->sg) {
imxdma_sg_next(desc, desc->sg);
imxdma_sg_next(desc);
tmp = imx_dmav1_readl(DMA_CCR(chno));
@ -475,7 +476,7 @@ static int imxdma_xfer_desc(struct imxdma_desc *d)
return -EINVAL;
}
imxdma_sg_next(d, d->sg);
imxdma_sg_next(d);
break;
default: