diff --git a/[refs] b/[refs] index 8f8c37cff4ed..3da1b4075e31 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 95442b223405dae313e3e273765cc1c905d67717 +refs/heads/master: 409ec8db46dc60e5da7169b6bac6b294513d386a diff --git a/trunk/drivers/dma/amba-pl08x.c b/trunk/drivers/dma/amba-pl08x.c index 7eb0e8ef6a57..bd51a44746be 100644 --- a/trunk/drivers/dma/amba-pl08x.c +++ b/trunk/drivers/dma/amba-pl08x.c @@ -1258,13 +1258,9 @@ static int dma_set_runtime_config(struct dma_chan *chan, cctl |= burst << PL080_CONTROL_DB_SIZE_SHIFT; if (plchan->runtime_direction == DMA_DEV_TO_MEM) { - plchan->src_cctl = pl08x_cctl(cctl) | PL080_CONTROL_DST_INCR | - pl08x_select_bus(plchan->cd->periph_buses, - pl08x->mem_buses); + plchan->src_cctl = pl08x_cctl(cctl); } else { - plchan->dst_cctl = pl08x_cctl(cctl) | PL080_CONTROL_SRC_INCR | - pl08x_select_bus(pl08x->mem_buses, - plchan->cd->periph_buses); + plchan->dst_cctl = pl08x_cctl(cctl); } dev_dbg(&pl08x->adev->dev, @@ -1451,6 +1447,8 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg( struct scatterlist *sg; dma_addr_t slave_addr; int ret, tmp; + u8 src_buses, dst_buses; + u32 cctl; dev_dbg(&pl08x->adev->dev, "%s prepare transaction of %d bytes from %s\n", __func__, sg_dma_len(sgl), plchan->name); @@ -1474,11 +1472,15 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg( txd->direction = direction; if (direction == DMA_MEM_TO_DEV) { - txd->cctl = plchan->dst_cctl; + cctl = plchan->dst_cctl | PL080_CONTROL_SRC_INCR; slave_addr = plchan->cfg.dst_addr; + src_buses = pl08x->mem_buses; + dst_buses = plchan->cd->periph_buses; } else if (direction == DMA_DEV_TO_MEM) { - txd->cctl = plchan->src_cctl; + cctl = plchan->src_cctl | PL080_CONTROL_DST_INCR; slave_addr = plchan->cfg.src_addr; + src_buses = plchan->cd->periph_buses; + dst_buses = pl08x->mem_buses; } else { pl08x_free_txd(pl08x, txd); dev_err(&pl08x->adev->dev, @@ -1486,6 +1488,8 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg( return NULL; } + txd->cctl = cctl | pl08x_select_bus(src_buses, dst_buses); + if (plchan->cfg.device_fc) tmp = (direction == DMA_MEM_TO_DEV) ? PL080_FLOW_MEM2PER_PER : PL080_FLOW_PER2MEM_PER; @@ -1785,10 +1789,8 @@ static void pl08x_dma_slave_init(struct pl08x_dma_chan *chan) chan->name = chan->cd->bus_id; chan->cfg.src_addr = chan->cd->addr; chan->cfg.dst_addr = chan->cd->addr; - chan->src_cctl = cctl | PL080_CONTROL_DST_INCR | - pl08x_select_bus(chan->cd->periph_buses, chan->host->mem_buses); - chan->dst_cctl = cctl | PL080_CONTROL_SRC_INCR | - pl08x_select_bus(chan->host->mem_buses, chan->cd->periph_buses); + chan->src_cctl = cctl; + chan->dst_cctl = cctl; } /*