Messages in this thread Patch in this message | | | From | Javier Martin <> | Subject | [PATCH v3 11/13] dmaengine: imx-dma: remove unused arg of imxdma_sg_next. | Date | Fri, 9 Mar 2012 16:20:47 +0100 |
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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> --- drivers/dma/imx-dma.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 0b831a7..7b67371 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -204,9 +204,10 @@ 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); @@ -249,7 +250,7 @@ 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)); @@ -363,7 +364,7 @@ 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)); @@ -473,7 +474,7 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) return -EINVAL; } - imxdma_sg_next(d, d->sg); + imxdma_sg_next(d); break; default: -- 1.7.0.4
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