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>
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@ -206,9 +206,10 @@ static int imxdma_hw_chain(struct imxdma_channel *imxdmac)
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/*
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/*
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* imxdma_sg_next - prepare next chunk for scatter-gather DMA emulation
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* imxdma_sg_next - prepare next chunk for scatter-gather DMA emulation
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*/
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*/
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static inline int imxdma_sg_next(struct imxdma_desc *d, struct scatterlist *sg)
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static inline int imxdma_sg_next(struct imxdma_desc *d)
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{
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{
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struct imxdma_channel *imxdmac = to_imxdma_chan(d->desc.chan);
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struct imxdma_channel *imxdmac = to_imxdma_chan(d->desc.chan);
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struct scatterlist *sg = d->sg;
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unsigned long now;
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unsigned long now;
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now = min(d->len, sg->length);
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now = min(d->len, sg->length);
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@ -251,7 +252,7 @@ static void imxdma_enable_hw(struct imxdma_desc *d)
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d->sg = sg_next(d->sg);
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d->sg = sg_next(d->sg);
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if (d->sg) {
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if (d->sg) {
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u32 tmp;
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u32 tmp;
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imxdma_sg_next(d, d->sg);
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imxdma_sg_next(d);
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tmp = imx_dmav1_readl(DMA_CCR(channel));
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tmp = imx_dmav1_readl(DMA_CCR(channel));
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imx_dmav1_writel(tmp | CCR_RPT | CCR_ACRPT,
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imx_dmav1_writel(tmp | CCR_RPT | CCR_ACRPT,
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DMA_CCR(channel));
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DMA_CCR(channel));
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@ -365,7 +366,7 @@ static void dma_irq_handle_channel(struct imxdma_channel *imxdmac)
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desc->sg = sg_next(desc->sg);
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desc->sg = sg_next(desc->sg);
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if (desc->sg) {
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if (desc->sg) {
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imxdma_sg_next(desc, desc->sg);
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imxdma_sg_next(desc);
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tmp = imx_dmav1_readl(DMA_CCR(chno));
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tmp = imx_dmav1_readl(DMA_CCR(chno));
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@ -475,7 +476,7 @@ static int imxdma_xfer_desc(struct imxdma_desc *d)
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return -EINVAL;
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return -EINVAL;
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}
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}
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imxdma_sg_next(d, d->sg);
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imxdma_sg_next(d);
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break;
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break;
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default:
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default:
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