From: Daniel Silsby <dansilsby@xxxxxxxxx> Simple cleanup, no changes to actual logic here. Signed-off-by: Daniel Silsby <dansilsby@xxxxxxxxx> Tested-by: Mathieu Malaterre <malat@xxxxxxxxxx> --- drivers/dma/dma-jz4780.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) v2: No change v3: No change diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index fa926de082ba..cc2a86844db4 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -608,22 +608,17 @@ static size_t jz4780_dma_desc_residue(struct jz4780_dma_chan *jzchan, struct jz4780_dma_desc *desc, unsigned int next_sg) { struct jz4780_dma_dev *jzdma = jz4780_dma_chan_parent(jzchan); - unsigned int residue, count; + unsigned int count = 0; unsigned int i; - residue = 0; - for (i = next_sg; i < desc->count; i++) - residue += (desc->desc[i].dtc & 0xffffff) << - jzchan->transfer_shift; + count += desc->desc[i].dtc & 0xffffff; - if (next_sg != 0) { - count = jz4780_dma_chn_readl(jzdma, jzchan->id, + if (next_sg != 0) + count += jz4780_dma_chn_readl(jzdma, jzchan->id, JZ_DMA_REG_DTC); - residue += count << jzchan->transfer_shift; - } - return residue; + return count << jzchan->transfer_shift; } static enum dma_status jz4780_dma_tx_status(struct dma_chan *chan, -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html